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- W2380453996 abstract "The raw water property changes greatly during the whole year,leading to different sludge components and sludge characteristics in different periods,which is the main influence factor on thickening property of sludge in water treatment plants of Zhongyin.In this paper,the effect of original concentration of sludge,macromolecular flocculant,pH value and low-velocity agitation on the thickening property of sludge are investigated.Results indicate that when the sludge water contains solid more than 0.52%,its thickening efficiency are reduced significantly,then PAM is applied to enhance the sludge thickening efficiency,and it is showed that the proper ratio of PAM feeding should be 3.24‰;the optimal pH value is 1.8 and up to 12 when the sludge is treated with acid and alkali respectively;for slow agitation,the feasible velocity is about 1 r/min,on the contrary,the thickening efficiency will be reduced after half an hour when agitation velocity is up to 5 r/min." @default.
- W2380453996 created "2016-06-24" @default.
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- W2380453996 date "2008-01-01" @default.
- W2380453996 modified "2023-09-25" @default.
- W2380453996 title "Experimental research on thickening property of sludge in Zhongyin water treatment plant of Daqing" @default.
- W2380453996 hasPublicationYear "2008" @default.
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