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METHOD FOR THICKENING SLUDGE DERIVED FROM WATER TREATMENT BY FLOCCULATION-DECANTATION WITH BALLASTED FLOC
METHOD FOR THICKENING SLUDGE DERIVED FROM WATER TREATMENT BY FLOCCULATION-DECANTATION WITH BALLASTED FLOC
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机译:絮凝絮凝-絮凝沉降法处理水处理中的浓泥的方法
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摘要
A method is provided for thickening sludge produced through a ballasted flocculation process. The sludge and granular material from the ballasted flocculation process are directed to a sludge separator where the sludge is separated from the granular material. Thereafter the separated sludge is sent to a degassing area and the sludge is degassed. A flocculating agent is mixed or injected into the sludge. The sludge is directed to a sludge thickener with a load at a sill calculated on the surface of the thickener greater than 200 kgMIS/mSUP2/SUP/day. This process produces a thickened sludge having a concentration greater than 10 gm/l.
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