Project DescriptionsITI conducted a metal finishing asset condition assessment for Woodward Corporation of Rockford, IL which included type II and type III anodizing, stainless steel, passivation, copper plating and stripping.
ITI developed a metal finishing department renovation master plan of Lisi Aerospace of Torrance, CA which included anodizing, cadmium plating, stainless steel passivation, molten salt descaling, IVD aluminum coating and cetyl lubrication of aerospace fasteners. The primary objectives of the project included:
1.Evaluate opportunities to increase the overall process and/or facility capability, capacity, and reliability
2.Decrease product defects due to equipment design, process chemistry, and/or operational constraints or practices
3.Decrease facility interruptions due to equipment design and/or operational constraints or practices
4.Decrease process operating costs
5.Improve employee health and safety
ITI conducted a process and facility opportunity assessment (PFOA) for Daido Manufacturing of Thailand with Okuno-Auromex Company (Thailand) Ltd. (OACL) also of Thailand. Daido plates decorative chromium and satin nickel on plastic automotive parts. The primary objectives of this project were to assess opportunities to:
1.Increase the overall process and/or facility capability, capacity, and reliability
2.Decrease product defects due to equipment design, process chemistry, and/or operational constraints or practices
3.Decrease facility interruptions due to equipment design and/or operational constraints or practices
4.Decrease process operating costs
5.Improve employee health and safety
6.Improve environmental performance and reliability
ITI designed, fabricated, and installed a turn-key wastewater evaporation system and vibratory recycling system for Hubbell Die Casting, Moultrie, GA. The wastewater contains rinse water from cleaning operations and cooling tower water. The evaporation system eliminates the discharge to the POTW. A wastewater pretreatment system and two gas-fired evaporators operate in parallel at a rate of up to 40 gallons per hour each. The waste volume is reduced by 95% or more, with water removed as water vapor to the atmosphere. ITI also provided a vibratory recycling system to reuse dilute soaps used in vibratory tumbling employing gravity settling with automatic waste bleed and chemical make-up. The system was provided as a modular skid. Substantial savings were realized in chemical, operating, maintenance, and waste treatment costs. ITI design services included P&ID's, detailed equipment list, mechanical and electrical drawings. Drawings were submitted to the client for approval prior to release to fabrication. The completed assembly was pre-tested and shipped tom the site for installation. ITI provided design, fabrication, O & M manual documentation, start-up, and training.
ITI provided principal consultant input to CH2M HILL Plateau Remediation Company for a high-level cost steering committee assembled to review and recommend approaches to enhance site remediation cost estimating tools and procedures for the multi-billion dollar Hanford environmental remediation project. ITI was lead author for a draft cost guidance chapter in a CERCLA project manager's guidance document. Hanford remediation project managers will use this guidance to develop defensible decision documents to support environmental cleanup.
Wet processes in ITI's design include alkaline cleaning; Type I, II and III anodizing; aluminum preparation and conversion coatings; chemical milling of aluminum and titanium alloys; chromium, nickel, cadmium, titanium-cadmium, copper electroplating; electroless nickel plating; and other surface finishing operations including zinc and manganese phosphating; black oxide; magnesium treatment; stripping of anodize, cadmium, chromium, nickel coatings; temper etch inspection; and Type II passivation. Dry processes in ITI's design include High Velocity Oxygen Fuel (HVOF) and Magnetron Sputtering, and other support processes such as ovens for hydrogen embrittlement relief baking, both glovebox and walk-in rooms for abrasive blasting for depaint and parts cleaning and preparation. Non-destructive inspection (NDI) processes in ITI's design include fluorescent penetrant inspection (FPI) and magnetic particle inspection (MPI),
ITI prepared detailed process design and bid package deliverables including 2D and 3D drawings, tank schedules, equipment schedules, detailed specifications for wet process and support equipment, performance specifications for dry and non-destructive inspection processes. ITI's automated wet process line design and push-pull ventilation design with enclosures provides for maximum worker safety. ITI utilized the commercial process modeling software, Plato's Process Planner® to optimize processes and develop a basis of design. ITI developed an integrated water and wastewater design to cost effectively conserve and reuse water.
Other deliverables included: documentation of the basis of design in the form of a process narrative; development of process flow diagrams of relevant surface finishing operations based upon Mil Specs and US Air Force Technical Orders; preparation of facility Best Management Practices (BMPs) and post design implementation steps; preparation of a draft Operational Risk Management (ORM) analysis; and preparation of capital cost budgets for process equipment and construction at various stages of the project.
ITI developed a production basis and input data for use in the commercial process model, Plato's Process Planner®, to evaluate baseline and optimized facility configurations to assess process improvement opportunities. ITI developed a general process map to evaluate process arrangement and information flow. ITI recommended changes to the overall process arrangement and information flow to make processes leaner and reduce operating costs.
ITI also evaluated the condition of major equipment and systems, and applied a qualitative rating of asset condition to create an asset condition report. CP Tech used this to assess the relative risk of business interruption and environmental and safety impacts.
ITI provided process design services for CP Tech to construct a new right-sized aluminum finishing line and a new automated chromium, cadmium, and titanium-cadmium plating line. The new aluminum finishing line includes aluminum surface treatments including Type I (Chromic), II and III anodizing, etching, and aluminum chromating. ITI worked with CP Tech to tailor the designs to meet overall project goals of improved process flow within the facility, reduced waste generation, and improved process capacity/capability. ITI's conceptual designs for the new lines included tank and equipment schedules, layout drawings and a performance specification. These were combined with instructions to bidders and general conditions to form separate RFPs for the construction of the new aluminum surface treatment and new chromium, cadmium and titanium-cadmium surface treatment lines.
ITI provided process design services for CP Tech for a new paint line and a new wastewater treatment system. ITI worked with CP Tech to tailor the designs to meet overall project goals of improved process flow within the facility, reduced waste generation, and improved process capacity/capability. The new paint system consists of a new paint line with a manual conveyor system, a UV/IR oven and two paint booths, and related process ventilation and air pollution control systems. The new wastewater treatment system consists of a new fully automated chromium reduction system, cyanide oxidation system, chelated metals treatment, solids removal via microfiltration, final pH adjustment and oily waste treatment. In addition, ITI developed concepts for water recycle and up-the-pipe technologies to decrease hydraulic and contaminant mass loadings to the wastewater treatment system. ITI's design scope included equipment schedules, layout drawings and a performance specification.
ITI managed and provided expert metal finishing process support implementation of TrueChem software for laboratory sampling and analysis and process improvement for the metal finishing shop at Hill AFB, Ogden, UT. The TrueChem software provides: schedule management for sampling, analysis, maintenance activities, and corrective actions; automatic result computation, statistical analyses and trending; rule and notification capability (based on specific results or statistical trends); notes and documentation links; chemical inventory management; and dashboard graphical status overview. A software implementation plan was developed, a TrueChem database was populated with Hill AFB process tank and chemistry information, a SQL version of the software was installed on the Hill AFB network and software training was provided, a follow-up training and support trip was completed and three HTML-based status dashboards were developed and deployed to provide broad based, graphic overview and detail result parameter and schedule status.
ITI prepared metal finishing design concepts and evaluations for a proposed new state-of-the-art manufacturing plant in
ITI participated in three days of process scoping workshops with the client to arrive at a basis for concept design. ITI reviewed production workload projections based on existing and anticipated future workload scenarios and evaluated metal finishing process needs to meet process specific production requirements.ITI developed process flow diagrams for individual metal finishing process sequences and for overall substrate-specific work flow. ITI developed three layout scenarios accommodating a broad range of maximum part envelope sizes with tanks ranging from 4 feet to 32 feet from front to back. ITI provided preliminary scoping input for process support systems including: heating and cooling systems, laboratory, part racking/fixturing/handling, paint kitchen, process water supply/treatment, rectifiers, ventilation and air pollution control, wastewater treatment/recycle, miscellaneous mechanical systems, and instrumentation and control systems.
ITI prepared a summary report including data collected and process concepts and evaluations.The summary report included implementation recommendations and a series of capital and operating and maintenance (O&M) cost estimates for different maximum part size and production level scenarios.
ITI also prepared metal finishing design concepts and evaluations for the same confidential Tier 1 aerospace components manufacturer for a proposed new state-of-the-art manufacturing plant to be located in the
ITI was responsible for researching component repair requirements and developing and documenting process procedures. ITI also designed required fixtures. Our responsibilities also included training EAF operators in the established procedures and the operation and maintenance of all equipment/systems.
ITI also provided engineering and construction management services for facility upgrades.
ITI consulted with Heroux Devtek,Longueuil, QC to develop master plans for the lean renovation/expansion of existing surface finishing operations. ITI is currently supporting the implementation of the first phase of a multi-phase surface finishing facility renovation program designed to dramatically improve information, material and work flow and increase the capacity and capability of the facility. Phase one processes include aluminum finishing (type I, II, and III anodizing, etching, and chromate), titanium etch and passivation. ITI has assisted Heroux is currently planning phase two project details for the following processes: temper etch, stripping, cadmium, TiCd, and chromium plating. ITI is also working with Heroux to improve process methods which have resulted in significant productivity improvements.
ITI consulted with GM Electromotive Division and Western Remanufacturing to identify the failure mode for chromium plated crankshafts used in locomotive engines.
ITI consulted with Tobyhanna Army Depot (TYAD) and Conti Environmental to commission surface finishing processes. ITI provided on site support to TYAD for 18 months to implement the commissioning plan developed with Burns & McDonnell. The work at TYAD included new method development, optimization, process validation, fixture design support, and operator training.
ITI consulted with Heroux Devtek,Longueuil, QC to support NADCAP certification. ITI supported Heroux Devtek in achieving successful NADCAP certification. Our work scope included process audits, and method development and improvement.
ITI consulted with Heroux Devtek,Longueuil, QC in the implementation of lean manufacturing methods in their surface finishing operations. ITI’s work scope included process mapping and Kaizen event leadership and support.
ITI consulted with Heroux-Devtek, Longueuil, Quebec to assess the relative feasibility of renovating the current surface finishing operations vs. constructing a new integrated surface finishing facility. Surface finishing operations include hard chromium plating, sulfamate nickel, electroless nickel, cadmium plating, anodizing (hard, sulfuric, and chromic), chromate (cadmium and aluminum), phosphate (zinc and manganese), passivation, masking, demasking, baking, grit blasting, shot peening, magnetic particle inspection (MPI), fluorescent penetrant inspection (FPI), aqueous and solvent cleaning, and stripping of chromium, cadmium, and nickel. New processes include HVOF.
ITI consulted with IMICornelius, Minneapolis, MN, San Antonio, TX and Renosa, Mexico in the conceptual and detailed design and relocation of surface finishing operations from San Antonio, TX to Renosa, Mexico. Processes include aqueous and solvent cleaning, passivation and electropolishing of beverage dispensing machine heat exchanger tubing and blocks.
ITI consulted with Goodrich Aerospace, AIP; Colorado Springs, CO and CH2M Hill in the conceptual design, specification, vendor selection and services during construction including design review for a new surface finishing facility. Processes include electroless nickel, cadmium plating, anodizing (hard and sulfuric), chromate (cadmium and aluminum), zinc phosphate, passivation and electropolishing.
ITI developed a comprehensive wet process model for Warner Robins AFB with CH2M Hill of Warner Robin’s surface finishing operations using Plato’s Process Planner to identify process improvement opportunities and optimize surface finishing processes and wastewater treatment operations.
ITI consulted with Concurrent Technologies Corp., CAI Resources, MMTC and CAMP as a partner in US EPA’s Environmental Technology Verification Program for Metal Finishing, ETV-MF. Completed verification testing of a Hadwaco MVR evaporator operating as a zero discharge process on copper pickling rinsewater. Currently planning for test of a QVF PCR evaporator operating as a closed loop process on chromic-sulfuric acid etching of automotive plastics prior to electroplating.
ITI consulted with Goodrich Aerostructures Group, Chula Vista, CA and CH2M Hill in the conceptual design and implementation of surface finishing, water and wastewater improvements.
ITI developed a Capsule Report onApproaching Zero Discharge in Metal Finishing for US EPA.
ITI developed a comprehensive wet process model for Boeing, Frederickson, WA with CH2M Hill of Boeing’s surface finishing operations using Plato’s Process Planner to identify process improvement opportunities and assess alternatives for capital improvement planning.
ITI developed a conceptual design and cost estimate for Blount, Oregon Chain Division, Portland, OR with CH2M Hill for a new surface finishing facility. Processes included hard chromium, cleaning and pickling.
ITI developed a conceptual design for GE Aircraft Engines, Lynn, MA with CH2M Hill for an improved wastewater control system for vibratory finishing waste streams.
ITI consulted with General Motors, Arlington, TX to assess opportunities to reduce water usage in wet processes including phosphating, electrocoating, top coat overspray control and car washing. Objectives were to reduce water usage by 50%.
ITI developed a comprehensive wet process model for Tinker AFB with CH2M Hill based upon Plato’s Process Planner of surface finishing operations in anticipation of MP&M effluent guideline requirements to optimize surface finishing processes and wastewater treatment operations.
ITI developed a Capsule Report on Managing Cyanide in Metal Finishing for US EPA.
ITI consulted with Raytheon, Andover, MA in the development of a phased renovation and consolidation of surface finishing operations in their Waltham, MA and Andover, MA facilities. Processes include nickel plating, copper plating, solder plating, chromating, anodizing, phosphating, and passivation.
ITI consulted with EG&G Pressure Science (Perkin Elmer) in the development of a multi-phase renovation plan of surface finishing operations in their Baltimore, MD facility including electropolishing and nickel, silver, gold, lead, tin, indium electroplating. Work included development of pollution prevention and control strategy, conceptual and preliminary engineering, including ventilation and air make-up system design specifications, and hazardous materials and waste storage.
ITI consulted as senior process engineer in the preliminary and detailed design phases of a new metal finishing facility for Pratt & Whitney Aircraft, North Berwick, ME as part of the northeast corner renovation project. Processes include nickel plating prior to brazing, masking and demasking, nitric acid cleaning to remove residual low-melt alloy from fixturing process, and acid and alkaline cleaning. Preliminary design also included anodizing and stripping of metallic coatings for overhaul and repair.
ITI developed a conceptual design for Universal Metal Finishers, Chicago, ILwith CH2M Hillfor a new, fully automated 50,000-sq. ft. anodizing facility. Processes include hardcoat and decorative anodizing. Project elements included process engineering, utilities planning, pollution prevention and control, facility layout, and costing.
ITI developed a conceptual design for Imagineering Enterprises, South Bend, IN with CH2M Hillfor a new, state-of-the-art surface finishing facility. Processes include electroless nickel, phosphating, and passivation. Project elements include process engineering, utilities planning, pollution prevention and control, and wet process layout.
ITI developed a conceptual design for Praxair - Treffers Precision, Phoenix, AZ with CH2M Hillfor a new, fully automated surface finishing facility. Processes include Type I, II and III anodizing. Project elements include process engineering, utilities planning, pollution prevention and control, and wet process layout.
ITI developed a WEB based process model for the simulation of metal finishing processes for NCMS, Ann Arbor, MI.andUS EPA.
ITI consulted with Goodrich Aerostructures Group, San Marcos, TX in the assessment of solution maintenance practices and alternatives for a titanium chemical milling process.
ITI consulted with Hagar Hinge, Montgomery, ALand CH2M Hillin the development of an integrated pollution prevention and control plan which included recommendations for process improvements that significantly reduced the mass and hydraulic load on wastewater treatment operations. The project included conceptual design of a new wastewater treatment plant and development of a budget for capital improvements.
ITI consulted with Boeing Commercial Airplane Group, Portland, OR and CH2M Hillin the development of best management practices for the maintenance and/or treatment of concentrated metal finishing solutions.
ITI consulted with the US Naval Air Command and CH2M Hillin the assessment of aircraft engine washing operations at 12 bases across the US.
ITI consulting with Pratt & Whitney Aircraft, North Berwick, ME in the implementation phase of northeast corner renovation project. The scope of work includes procurement and installation of four surface finishing lines (sulfamate nickel plating, acid and alkaline cleaning, and wax/dewax operations) and pollution prevention equipment.
ITI consulted with Pratt & Whitney Aircraft, North Haven, CT and conducted a plant wide (1.5MM sq. ft) audit of all wet processes (approx. 150) in the North Haven facility. Data collected was assembled in a computer model in order to characterize waste streams, evaluate segregation practices and potential process improvements. We developed evaluation criteria to prioritize pollution prevention and control projects and recommended projects for implementation. Processes included aqueous cleaning, nondestructive testing, acid stripping and cleaning, electroplating, electrochemical machining and vibratory finishing.
ITI developed and implemented a testing and evaluation program for Pratt & Whitney Aircraft, North Haven, CT to clean complex airfoils using alternative aqueous cleaning equipment and replace chlorinated solvent vapor degreasing. Equipment included ultrasonic cleaning, spray cleaning, spray-under-immersion and immersion cleaning.
ITI consulted as a principal process engineer in the conceptual engineering and development of a complete metal finishing facility renovation plan for McClellan Air Force Base. The facility includes more than 100 processes and more than 250 tanks ranging from 100 to 5,000 gallons.
ITI consulted with McClellan Air Force Base during an investigation of all ozone depleting substances on base. This investigation encompassed solvent cleaning and included investigation of solvent cleaning alternatives and technology including hermetically sealed vacuum vapor degreasers, alternative solvents, semi-aqueous and aqueous cleaners.
ITI consulted with McClellan Air Force Base in the evaluation of alternative bath maintenance technologies including selective ion exchange, membrane electrolysis and crystallization to support surface finishing operations.
ITI consulted with McClellan Air Force Base in the evaluation of a zero discharge wastewater treatment system.
ITI consulted with ITT Electronics in the development of pollution prevention and control plan to reduce the hydraulic load on the existing sulfide precipitation based wastewater treatment system. Audited manufacturing operations to evaluate and classify residual wastes generated by all processes.
ITI consulted with BF Goodrich Aerospace, Simmond’s Precision Aircraft Systems, an avionics equipment manufacturer as principal process engineer in the conceptual and preliminary design of a new world class metal finishing facility which included wastewater treatment, crystallization of caustic etch solutions, and evaporative recovery of chromic anodizing, caustic etch and nickel electroforming dragout. Processes include chromic and sulfuric anodizing, chromate conversion, nickel, tin, passivation and nickel electroforming. Reduced water usage from 30,000 GPD to 3,000 GPD. Evaluated a zero discharge option for economic viability.
ITI prepared an audit of four printed circuit board and hard disk drive manufacturers in the San Jose area to identify means to reduce the mass outfall of copper and nickel to the San Jose POTW.
ITI consulted with a confidential client in the assessment and development of “lifetime finish” coating technology for lighting fixtures to replace an existing coating process that is dependent on VOC emitting solvent-based coating process. Objectives of the project were lifetime corrosion resistance, world class decorative coating on unpolished substrate, cost effective and environmentally compliant coating process, high process yields (improved first time quality) and increased capacity.
ITI consulted with Pratt & Whitney Aircraft, East Hartford, CT on a multiyear, multi-plant, U.S. Air Force sponsored Industrial Modernization Incentive Program (IMIP) project to minimize waste in four areas: metal finishing, ECM, coolants/lubricants, and solvents. Plants included in the study were East Hartford, North Haven, Middletown, and Southington. Acted as Senior Technical Advisor for all areas and Project Manager for the metal finishing study. The processes involved in this study included alkaline cleaning, acid pickling, chromium plating, sulfamate nickel plating, cadmium cyanide plating, chromating; chromic acid anodizing, copper cyanide plating, stripping of cadmium, copper, chromium and nickel, and chemical milling of titanium and nickel alloys. The solvent work covered investigation of alternatives to conventional solvent cleaning and dewaxing including totally enclosed vacuum vapor degreasers, semi-aqueous and aqueous cleaning, alternative hand wiping alternatives, alternative solvents and dewaxing alternatives. The project included program development, research and development, conceptual engineering, and pilot testing. Technologies evaluated include acid retardation, ion exchange, reverse osmosis, ultrafiltration, microfiltration, atmospheric and vacuum evaporation, electrodialysis, membrane electrolysis, diffusion dialysis and electrowinning.
ITI consulted with Pratt & Whitney Aircraft, North Berwick, ME and provided conceptual engineering of a countercurrent acid cleaning process and recovery of 200,000 pounds of nitric acid per year.
ITI consulted with Pratt & Whitney Aircraft, East Hartford, CT to evaluate and characterize coolant management, recycling, treatment, and disposal practices at the East Hartford, North Haven, and Middletown facilities.
ITI consulted with US EPA’s Office of Policy, Planning & Evaluation on itsSustainable Industry Project to identify barriers and incentives to environmental stewardship in the metal finishing sector.
ITI consulted with the National Defense Center for Environmental Excellence operated by Concurrent Technologies Corporation in the conceptual and preliminary design, and procurement of process and environmental systems for a zero discharge (effluent) surface finishing demonstration factory which includes mobile (point source) and central pollution prevention and control technologies. Processes include alternative cleaning; inorganic coatings including electroplating, electroless plating, phosphating, and ion vapor deposition; alternative stripping including water jet stripping; organic coatings including powdercoat and electrodeposition.
ITI consulted with New York Air Brake in the development of a phased renovation and expansion plan for the surface finishing operations in their Watertown, NY facility. Processes include chromating, anodizing, phosphating, passivation, and impregnation. Work to date includes development of revised process procedures, conceptual and preliminary engineering, specifications, and proposal review.
ITI consulted with General Dynamics (formerly Lockheed Martin) to assess pollution prevention and control options and energy reductions through reduced and improved process ventilation and process improvements. Developed a complete software model for the surface finishing operations in their Burlington, VT facility. Developed solution contaminant and rinsewater quality standards. Processes include abrasive blasting, aqueous parts washing, vibratory finishing, spindle polishing, abrasive flow machining, magnetic penetrant inspection, chromic, sulfuric and phosphoric anodizing, chromating, chemical deburring, chemical polishing, electropolishing, chromium plating, manganese phosphating, black oxide, electroless nickel and nickel plating.
ITI consulted with General Dynamics to a conceptual design for a near zero discharge wastewater recycle system based upon reverse osmosis and ion exchange. Developed preliminary specifications to assemble budgetary level capital costs.
ITI consulted with General Dynamics to review manufacturing process instructions (MPI) and solution control practices, including laboratory procedures, for surface finishing operations. Developed test plans and conducted testing to support changes to MPIs that streamlined operations, implemented good operating practices and improved process control.
ITI provided process engineering support within the development of pollution prevention and control options for wet processes at Teradyne tosupport the expansion of multilayer printed wiring board manufacture in their Nashua, NH facility.
ITI consulted with Colt Manufacturing Company as principal process engineer in the conceptual design of a new advanced metal finishing facility West Hartford, CT. Processes include black oxide, manganese phosphate, electropolishing, chromium plating, hard coat anodizing, electroless nickel and electroless nickel/Teflon plating, nickel plating, nickel alloy plating, solid film lubricant, etc.
ITI acted as principal process engineer with Burns & McDonnell in the preliminary design and detailed design of a new advanced metal finishing facility for Tobyhanna Army Depot’s industrial operations facility in Tobyhanna, PA. Processes include abrasive blasting, painting, powder coating, chromate conversion coating, zinc phosphate, acid cadmium, hard coat anodizing and sulfuric acid anodizing, nickel plating, electroless nickel plating, non-cyanide copper and silver plating, steam cleaning, ultrasonic cleaning, black oxide, etc. Developed waste stream characterization and simulation, assessed pollution prevention options and developed conceptual design of point source wastewater recovery, process solution maintenance, centralized wastewater recycle, and batch treatment of blowdown.
ITI acted as principal process engineer with Burns & McDonnell in the preliminary design of centralized process control system for multiple plating tanks within multiple reel-to-reel plating line at Molex inLittle Rock, Arkansas.
ITI was principal process engineer on two projects in the conceptual and detailed design of a new advanced metal finishing facility for Textron-Lycoming's (Allied Signal) turbine engine facility in Stratford, CT. Processes include chromium plating and stripping, copper plating and stripping, chromic and sulfuric acid anodizing, nickel plating, manganese and zinc phosphate, black oxide, etc.
ITI consulted with Klock Company, a Connecticut manufacturer specializing in heat treating, brazing, shot peening and plasma coating in the development of a waste minimization program and to audit all manufacturing processes.
ITI developed compliance program for a 60,000 gpd, oily wastewater stream generated by an automatic, alkaline aqueous parts washer for Cly-Del Manufacturing Co., Inc., a large manufacturer of deep drawn metal stampings. Work resulted in full compliance through implementation of minor changes at the point-of-process. Additional work centered on developing systems to recycle alkaline cleaners and eliminate effluent discharges.
ITI consulted as principal process engineer in the conceptual and detailed design of a zero discharge wastewater treatment system for Lockheed Advanced Development in Burbank, CA. Waste generating processes included chromate conversion coating and phosphating.
ITI provided design services to Environmental Health and Safety Services of N.E. for Birken Manufacturing, a Connecticut-based manufacturer of aerospace components, to simultaneously decommission an existing and design a new plating department including: chrome, woods nickel strike and sulfamate nickel, cadmium cyanide, and silver cyanide plating; chromic and hardcoat anodizing; titanium cleaning and chromating. The work scope included development of a phased renovation plan and project management for conceptual design through start-up. In addition to plating process design, responsible for design of wastewater recovery and treatment systems and spill control. All processing lines are operational.
ITI performed a toxicity reduction audit and evaluation for Plainville Electro Plating, a job shop specializing in the aerospace industry in Plainville, CT, which encompassed over 100 processes plus wastewater treatment operations. The project focused upon up-the-pipe waste reduction and control measures to eliminate downstream toxic effects. Cyanide wastewater was reduced from +20,000 GPD to 600 GPD. Toxic components were isolated by process source and control measures were implemented on small segregated streams. Wastewater treatment systems controls were improved to minimize the use of treatment chemicals and reduce toxic load.
ITI performed a combined toxicity reduction audit and waste minimization study for Quality Rolling and Deburring, a large commercial job shop plater in Thomaston, CT. This project also focused upon up-the-pipe waste reduction and control measures. Nickel plating (barrel) was close-looped and copper bearing chemical polishing and burnishing wastewaters were polished with an ion exchange system; volume was reduced from +20,000 GPD prior to implementing ion exchange. Proprietary cleaning and burnishing materials (more than 60) from approximately 25 suppliers were evaluated and recommendations for materials substitutions were prepared with the help of suppliers; required materials were reduced from +60 to 12 and six suppliers.
ITI evaluated closed-loop plating concepts for chrome, nickel, cadmium and copper plating and assisted with toxicity reduction strategies for Har-Conn Chromium, a Connecticut job shop specializing in the aerospace industry. Also provided consultation for improved shop layout to reduce wasted floor space and improve workflow.
ITI consulted with The Torrington Company, a division of Ingersoll Rand, a manufacturer of bearings and other industrial components. Responsible for developing conceptual designs of recovery systems for black oxide, cadmium cyanide, copper cyanide, and chromium plating, as well as cyanide-based stripping of copper.
ITI consulted in the design of new plating facility for National Chromium, a Connecticut job shop specializing in hard chrome plating. Work included conceptual design of wastewater recovery and contaminant control systems for two hexavalent chrome plating lines and for one nickel/trivalent chrome plating line.
ITI developed preventive maintenance and process control program for Grant Hardware, a manufacturer of furniture hardware with 12,000-gallon acid zinc and 7,000-gallon alkaline zinc automatic plating machines. This work has reversed a 100 percent reject rating to a more than 95 percent acceptance rating on both lines.
ITI designed a compliance program for Computer Circuit Technology, Inc., a printed circuit board manufacturer in upstate New York, which included evaluating recovery/disposal options for over 950 drums of accumulated processes waste. Compliance was achieved through waste minimization and material recovery techniques and a minimal reliance upon wastewater treatment and the generation of secondary sludges.

