一种铁铝盐复合剂对桉木CTMP废水的脱色效果  

Decolorization of Eucalyptus CTMP Efluent by a New Coagulant of Ferric and Aluminum

作　　者：郑振山[1] 李友明[1] 侯轶[1] 

机构地区：[1]华南理工大学造纸与污染控制国家工程研究中心,制浆造纸工程国家重点实验室,广东广州510640

出　　处：《中国造纸》2009年第B12期82-85,共4页China Pulp & Paper

摘　　要：利用自制的新型铁铝盐复合剂（HF）对桉木CTMP废水进行脱色实验。结果表明，在pH值4～7、HF用量4～9mL／100mL的条件下，HF可将CTMP废水色度由18700C．U．降至80C．U．以下，经正交实验优化确定HF对CTMP废水脱色的最佳条件为：HF用量6mL／100mL，pH值5；通过Zeta电位分析、紫外-可见光及红外光谱分析认为，HF主要针对废水中带负电荷的木素类物质发生作用，取得良好的絮凝脱色效果。A new coagulant of ferric and aluminum alumina iron （HF） was used to decolorize the effluent of eucalyptus CTMP. The results showed that in the condition of pH value 4 to pH value 7 and the dosage of HF 4 mL to 9 mL per 100 mL wastewater, the color of CTMP effluent decreases from 18700 C.U. to 80 C. U. , the optimal condition of pH value 5 and the dosage of the coagulant 6 mL/100 mL was found by the orthogonal experiment. The analyses of UV/VIS spectrometer, FT-IR instrument and Zeta potential instrument showed that it is the reactions with the negative charge of lignin structure, the coagulant of ferric and aluminum has good decolorization effect.

关 键 词：CTMP废水 铁铝盐复合剂HF 脱色 木素 

分 类 号：TS224.6[轻工技术与工程—粮食、油脂及植物蛋白工程]