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2025-08-15 18:06
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The main treatment objects in coagulation stage are suspended organisms and colloidal impurities in water. The perfection of coagulation process has a great influence on subsequent treatment, such as sedimentation, filtration and chlorination, so it is a very important link in Water Treatment process. Polyaluminum chloride and polyferric sulfate are often used in most waterworks.
In 2016, the European Food Safety Authority, or EFSA, assessed titanium dioxide and determined that the evidence available at the time didn’t conclusively point to any health problems for consumers.