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The aminolignin flocculant was prepared based on calcium lignosulfonate, diethylamine and epichlorohydrin by amino grafting. 摘要以木質素磺酸鈣、二乙胺和環氧氯丙烷爲原料，通過接枝氨基，郃成了木質素胺脫色絮凝劑。