Abstract
A set of technological scheme of reduction and resources treatment was put forward according to the dehydration mechanism of construction waste slurry. The influence of conditioner on flocculation dehydration was analyzed. The flocculation effect of flocculant on construction waster slurry was explored. The moisture content of hydrated construction slurry was measured after pressure filtration dehydration. By comparing the experimental results of three kinds of sludge, it is found that it is ideal to select metal ions as conditioning agent, inorganic flocculation combined with anionic polyacrylamide as flocculant for the construction waste slurry, which was cooperated with previous sand separation and flocculation and concentration alternately for a few times. Finally the moisture content of the mud cake after dehydration with press filter machine was under value of 30%.
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