Wastewater treatment in sulphate-route TiO2 production

By Albert Li
Published: Friday, 29 September 2017

Large volumes of wastewater represent both a cost and environmental burden for China’s titanium dioxide industry, but new membrane filtration technology could help with water conservation and yield a suite of valuable by-products, Albert Li, IM Correspondent, finds.

Yidu Zhang, deputy general manager of Ningbo Xinfu Titanium Dioxide Co., is something of an expert in the treatment of wastewater from titanium dioxide (TiO2) processing.

Based in Ningbo, Zhejiang province, in eastern China, the company is a high-tech business specialising in the production of high-purity TiO2, with capacity of...

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