| 简介 |
PROBLEM TO BE SOLVED : To provide a method for sorting waste which can dispose of waste, including particles and foreign matters having water-containing charges in a large quantity of rubbles or the like including earth and sand having a high water content, without exerting a bad influence on the circumferential environment and further without requiring energy and time for the disposal.
SOLUTION : Any of or a plurality of the substances of (A) to (F) are added to and kneaded with waste including particles and foreign matters having water-containing charges, and then are sieved and separated, and thereby separating the foreign matters larger than each sieve mesh from the waste : (A) a polycarboxylate based substance (including a copolymer with acrylamide); (B) polysulfonate based substance (including a copolymer with acryl amide); (C) an alkyl amino acrylate polymer substance (including a copolymer with acryl amide); (D) an alkyl amino methacrylate polymer substance (including a copolymer with acryl amide); (E) natural polysaccharide; and (F) an inorganic flocculant.
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