【摘要】 <正> 一、概述醇酸树脂是由多元醇、多元酸、肪肪酸(油)三者酯化制成。在醇与酸酯化反应中有水生成。氨基树脂是氨基官能团的原料与醛类(主要是甲醛溶液,含水约63％)反应再以丁醇改性制得的能溶于有机溶剂的一类树脂,树脂缩聚和醚化反应时又有一部分水产生。这些废水含有复杂的有机物,造成环境污染。长期接触这种废水,会引起头昏、白细胞减少、肝炎及皮炎等。某厂的树脂废水中有害物浓度见表1。更多还原

【Abstract】 The waste water in the productionof alkyd and amino resins containshigier concentration complex organiccompounds. The paper introduces athree-step treatment, i.e. sulfonat-ed coal adsorption-biologic contactoxidation-QJ20 active carbon bioche-mical treatment, including the tech-nological conditions and results. Re-move rate of COD is 91.5%, andBOD 97%. All the indexes are inaccordance with or below the exhauststandards approved by the governme-nt.更多还原