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Contamination Characteristics of Effluent from APMP Pulping of Poplar
Author(s): 
Pages: 44-46,78
Year: Issue:  1
Journal: Journal of Tianjing University of Science & Technology

Keyword:  杨木APMP制浆废液超滤GC-MS;
Abstract: 高得率制浆废液具有组成比较复杂,色度高,化学需氧量高等特点.采用超滤分级方法初步考察杨木APMP制浆废液中污染物质的相对分子质量分布,并且采用GC-MS联用仪研究了废液中小分子有机污染物的组成.结果表明:相对分子质量较大的污染物是废液色度的主要来源,实际应用中,超滤技术可以有效地去除这些大分子发色物质;GC-MS检测到废液中的小分子有机污染物主要是脂肪酸类物质,约占检测物质的57.13%,树脂酸的含量很少.
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