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6Â¥: Originally posted by songweidea at 2012-11-02 09:16:39
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fenjine

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zjjlimin: ½ð±Ò+1 2012-11-28 10:04:18
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The measurement of surface charge of the sludge flocs was performed by colloidal titration [21]. A known volume of sludge sample diluted in distilled water was reacted with an excess amount of polybrene (Polyscience Inc.) (0.001N), followed by back-titration with polyvinyl sulphate (Aldrich¨CFluka) (0.001N) to a colorimetric end-point indicated by Toluidin Blue. The surface charge was expressed as milliequivalents per gram of mixed liquor suspended solids of positive or negative colloidal charge, i.e. meq./g MLSS. The standard deviations for triplicate samples were 3¨C10%.
Òý×Ô£ºBo Jin, Britt-Marie Wil¨¦n, Paul Lant.A comprehensive insight into floc characteristics and their impact on compressibility and settleability of activated sludge.J. Chemical Engineering Journal 95 (2003) 221-234
3Â¥2012-10-31 23:32:48
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congda

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zjjlimin: ½ð±Ò+1 2012-11-28 10:04:30
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5Â¥2012-11-02 08:55:00
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lucifer1990

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5Â¥: Originally posted by congda at 2012-11-02 08:55:00
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