Pollution Control
Scientists Say Egg Shells Remove Hex Chrome from Water
Scientists in China have developed an absorbent material made from waste eggshell membrane that can remove hexavalent chromium from contaminated water.
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Winning the Pollution Control Challenge
Electrowinning, which removes metallic ions from concentrated rinse water and spent process solutions reduces waste, recovers valuable metals and saves job shops big money.
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Recovery/Recycling Methods for Metal Finishers
A guide to lowering pollution and recovering valuable process constituents.
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Closing the Cleaning Loop
To help optimize its solvent vapor degreasing process while minimizing solvent exposure in the workplace and the environment, Miba Bearings US uses Dowper SVG double-stabilized perchloroethylene in the Safecare system from Safechem North America LLC, a subsidiary of Dow Chemical Co.
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Investigation of Tin Whisker Formation
Immersion tin and lead-free hot air solder leveling (HASL) coatings based on SnCu or SnAgCu alloys are widely used as surface finish materials for printed circuit boards (PCB). These coatings prevent the underlying copper from corrosion and preserve its solderability during lead-free assembly processes and for a long storage life of PCBs.
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$215,000 Research Grant For Eliminating Chromate Conversion Waste
Fort Collins, CO, company Ionedge Corp. gets EPA grant to study waste elimination in the metal finishing process.
Read MoreNitric Acid Passivation and EH&S Impact
I am looking for safety/environmental requirements to set up a nitric acid cleaning and passivation system.
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3 New Databases Have Info on 1,000s of Chemicals
Searchable databases on chemical toxicity and exposure data now available
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California Ready to Add New VOC Rule
The American Coating Association and several Southern California metal coaters are battling the South Coast Air Quality Management District over proposed Rule 1107 that calls for lowering volatile organic compound emissions from the coating of metal parts and products. The proposed rule applies to metal coatings or companies that perform metal stripping operations, and to all manufacturers, distributors and suppliers of metal coatings.
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Two Plating Shops Hit With Fines
Van Nuys, CA plater hit with $100K; Arizona firm ponys up $125K for violations.
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