| 摘要 |
The additive comprises at least one ballast component, at least one component for preventing the growth of string-forming bacteria, and a mixture of inorganic and organic coagulating and flocking agents. An additive for improving and optimizing sludge flocking under different conditions (so-called Settle-on product) comprises (A) at least one component with a high specific weight for providing a floating ballast effect, which is used to process the product following the return of the separated sludge to the active sludge vessel, (B) at least one component for preventing the growth of string-forming bacteria, and (C) a mixture of inorganic and organic coagulating and flocking agents.
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