| 摘要 |
1475263 Purifying waste water by flocculation AJINOMOTO CO Inc 7 April 1975 [9 April 1974] 14232/75 Heading ClC [Also in Division C3] Waste water, e.g. activated sludge or waste water from fish processing is treated to remove proteinaceous material by flocculation thereof with a flocculating agent consisting of a micropolysaccharide, containing in its molecule residues derived from a plurality of amino acids, a plurality of amino sugars and from at least one organic acid, and obtained by the cultivation of a micro-organism of the species Aspergillus (see Division C3).
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