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Combined flocculation with complex extract process to treat with 1,2,4-acid wastewater, dicyandiamide formaldehyde was used as the flocculant; TOA(trioctylamine) as extracting agent, propyl butyl-carbinol as the diluent, NaOH as back-extracting agent, the best flocculation conditions are: pH value of the wastewater is 3, formaldehyde Dicyandiamide to wastewater at the ratio of 1%, stirred quickly...
The sugar industry is an important and growing part of China, in general, and of Guangxi province, in particular. This growth poses scientific and engineering challenges for dealing with the environmental impacts of the industry. The characteristics of the sugar production wastewatcr and the associated molasses production wastewater (vinasse) suggest a variety of options - each with its own advantages...
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