Stephen R. Schulte P.E. REM

Wastewater Treatment System Renovation

Question: Due to its age, we are renovating our existing wastewater treatment system.

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Corrosive Atmosphere

Question: We have a fairly new facility with the wastewater pretreatment system in a separate room.

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regulation

Safety Shower Correction

In the September 2003 edition of Products Finishing, there was a question in the Pollution Control Clinic that asked about eyewash stations and their requirements (www.pfonline.com/articles/clinics/0903cl_env2.html). Question: I am curious about the last paragraph that stated “eyewash equipment is recommended to meet the following: a) placed within 10 seconds travel time of a hazard, within 10 ft of strong acids or caustics.” I have found enough material on the 10-second guideline, but I am curious about the 10-ft recommendation.

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medical

Working Around Electric Power

Question: I Recently, I have taken on health and safety responsibilities for our metal finishing facility and it is new to me.

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Piping of Caustic Revisited

In the March 2004 Pollution Control Clinic, “Piping of Caustic,” I answered a reader’s question regarding caustic and PVC pipe (www.pfonline.com/articles/clinics/0304cl_env3.html). I received two excellent responses from other readers.

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regulation

Air Permits and Dichromate Seals

Question: Are there any air regulations dealing with dichromate seal baths used in the anodize process?

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Cleaners Ruining Wastewater Quality

Question: We do acid and alkaline zinc as well as copper/nickel/chrome plating.

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Piping of Caustic

Question: Recently, we had a half-inch SCH 80 CPVC or PVC nipple give way.

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Foggy Situation

Question: We recently installed a five-stage iron phosphate washer to our facility so that we can clean, prep and paint our parts in house.

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Wastewater Treatment System

Question: I am seeking a simple treatment system for the elimination of approximately 10 gallons of plating rinse water per day that is coming from a copper pyrophosphate bath, a nickel sulfamate bath, and a gold cyanide bath.

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Removing VOCs

Question: I am working on a new metal finishing project and have been given the responsibility of removing volatile organic compounds (VOCs) from the air exhaust using activated carbon.

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Treating Small Batches

Question: I am seeking a simple treatment system for the elimination of approximately 10 gallons of plating rinse water per day coming from a copper pyrophosphate bath, a nickel sulfamate bath and a gold cyanide bath.

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