絮凝剂的性质直接影响絮凝的效果。
Flocculation effect concerns with the flocculation property directly.
结果表明，浓缩污泥所需要的絮凝剂最少，消化污泥所需要的絮凝剂最多，并且各种絮凝剂都存在着最佳投加量。
Results showed that thickened sludge need the least flocculant while digestive sludge need the most flocculant, with all the flocculants having optimum dosages.
针对淀粉的这些特点，制备价廉、絮凝效果好的改性淀粉絮凝剂，对开发环保型絮凝剂具有现实意义。
There is practical significance for developing green flocculant to prepare modified starch flocculant with low cost and effective flocculation, in view of starch these characteristics.
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