Nyob rau hauv cov txheej txheem kev kho dej phwj, flocculation thiab sedimentation yog ib feem tseem ceeb, uas yog ncaj qha ntsig txog qhov zoo ntawm cov effluent thiab efficiency ntawm tag nrho cov txheej txheem kho. Nrog rau kev nce qib ntawm kev siv thev naus laus zis, polyacrylamide (PAM), ua cov flocculant zoo, ...
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