| 硫酸铝催化合成双氰胺-甲醛絮凝剂的研究 |
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| 引用本文： | 曾小君,徐肖邢,陆雪良,汪学英.硫酸铝催化合成双氰胺-甲醛絮凝剂的研究[J].水处理技术,2004,30(4):205-207. |
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| 作者姓名： | 曾小君 徐肖邢 陆雪良 汪学英 |
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| 作者单位： | 常熟高等专科学校应用化学研究所,江苏,常熟,215500 |
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| 摘 要： | 以双氰胺、甲醛为主要原料，以硫酸铝为催化剂并引入添加剂合成了双氰胺-甲醛树脂高效脱色阳离子有机絮凝剂-双氰胺-甲醛树脂。探讨了甲醛用量、催化剂用量、反应温度、反应时间、添加剂用量对双氰胺-甲醛树脂产品混凝脱色性能的影响，并对染料废水进行了混凝脱色试验。该絮凝剂较其他絮凝产品在污水处理、降低色度、悬浮物和COD去除等方面效果显著。
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| 关 键 词： | 双氰胺 催化合成 甲醛树脂 硫酸铝 催化剂用量 絮凝剂 反应温度 混凝脱色 COD去除 染料废水 |
| 文章编号： | 1000-3770(2004)04-0205-03 |
THE STUDY OF THE SYNTHESIS OF DICYANDIAMIDE-FORMALDEHYDE RESIN USING ALUMINUM SULFATE AS CATALYST |
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| ZENG Xiao-jun,XU xiao-xing,LU Xue-liang,WANG Xue-ying.THE STUDY OF THE SYNTHESIS OF DICYANDIAMIDE-FORMALDEHYDE RESIN USING ALUMINUM SULFATE AS CATALYST[J].Technology of Water Treatment,2004,30(4):205-207. |
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| Authors: | ZENG Xiao-jun XU xiao-xing LU Xue-liang WANG Xue-ying |
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| Abstract: | Dicyandiamide-formaldehyde resin is one kind of flocculent,it is synthesized with dicyandiamide and formaldehyde as mian raw materials and aluminum sulfate as catalyst;In this paper is equired into the effect of formaldehyde dosage,calalyst dosage,reaction temperature and time and additive dosage on decolor performance of dicyandiamide-formaldehyde resin,and the test of decolor was done also for dyestuff wastewater. |
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| Keywords: | dicyandiamide-formaldehyde resin flocculants wastewater treatment chemical oxygen demand decolor efficiency |
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