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小木蟲: 金幣+0.5, 給個(gè)紅包，謝謝回帖
zjjlimin: 金幣+1 2012-11-28 10:04:18
樓主要測(cè)啥的表面電荷？給個(gè)測(cè)活性污泥表面電荷密度的吧。
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–Fluka) (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 3–10%.
引自：Bo Jin, Britt-Marie Wilén, 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 |
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