Case Study

Removing wastewater chromate and sulfate avoids shutdowns and saves US$56,000

Removing wastewater chromate and sulfate avoids shutdowns and saves US$56,000

Water Technologies & Solutions case study Find a contact near you by visiting www.suezwatertechnologies.com and clicking on “Contact Us.” *Trademark of SUEZ; may be registered in one or more countries. ©2017 SUEZ. All rights reserved. ch627.docx May-12 removing wastewater chromate and sulfate avoids shutdowns and saves US$56,000 challenge Regional effluent limits for chrome were frequently exceeded by this eastern Canada, aluminum automotive wheel manufacturer, and wastewater sulfate levels were consistently high. Various treatment programs had been implemented without success, including ferric chloride and polyaluminum chloride in conjunction with bisulphite. Caustic soda and sulfuric acid were being used for pH control. solution SUEZ proposed a di

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