Exploring the: Water Zone

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Published: 7/1/2002

Treatment for Free Bromine/Bromate
Question: I am the environmental manager for an anodizing/plating job shop.

Published: 7/1/2002

Zinc-Cobalt Wastewater?
Question: One of our best customers has approached us to convert one of our acid zinc lines to zinc-cobalt.

Published: 6/1/2002

Loop ’d Loop
Amusement park ride or industrial process?

Published: 3/1/2002

What’s up with Cyanide?
Question: We are having an ongoing “battle” with our local sewer district over wastewater monitoring cyanide results.

Published: 1/1/2002

Hazardous Waste Storage Tank
Question: I am the manager of a job shop.

Published: 1/1/2002

AgCn Recovery
Question: What is state of the art for "treatment" of silver cyanide rinse waters?

Published: 9/1/2001

Preventing Leaks in PVC Piping
Question: We use a bleach solution to treat cyanide and a caustic solution to raise pH in our wastewater pretreatment system.

Published: 9/1/2001

Recovering Electropolish Solution
Question: My company uses a proprietary solution to electropolish stainless steel and incolloy components.

Published: 12/1/2000

Electrogrind Waste
Question: Our company currently electrogrinds the cut ends of small stainless tubes to deburr for further processing.

Published: 12/1/2000

Stopping Zinc Phosphate Sludge
In the September 2000, Painting Clinic, I answered a question from L.V. about zinc phosphate sludge.