| 纳米SiO_2强化混凝处理微污染海水试验研究 |
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| 引用本文： | 张秀芝,王静,张雨山,郭鸿博,郝建安.纳米SiO_2强化混凝处理微污染海水试验研究[J].海洋环境科学,2010,29(1). |
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| 作者姓名： | 张秀芝 王静 张雨山 郭鸿博 郝建安 |
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| 作者单位： | 国家海洋局天津海水淡化与综合利用研究所,天津,300192 |
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| 基金项目： | 中央级公益性科研院所基本科研业务费专项资金项目(K-JBYWF-2007-T08);;国家“十一五”重大攻关课题资助项目(2006BAB03A08) |
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| 摘 要： | 对纳米SiO2与FeCl3复配使用强化混凝处理低浊微污染海水进行了实验研究,探讨了纳米SiO2强化混凝处理海水的净化效果及影响因素。试验结果表明,对于低浊微污染海水,强化混凝能有效提高微污染海水的絮凝除污效果、改善絮体沉降性能、缩短沉淀时间。试验条件下,出水浊度、UV254、CODMn和TP去除率较单独投加FeCl3(20 mg/L)分别提高3.9%、6.1%、9.5%和7.3%。
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| 关 键 词： | 微污染海水 纳米SiO2 三氯化铁 强化混凝 |
Study on treatment of contaminated sea water by enhanced coagulation with nano-SiO_2 |
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| ZHANG Xiu-zhi,WANG Jing,ZHANG Yu-shan,GUO Hong-bo,HAO Jia-nan.Study on treatment of contaminated sea water by enhanced coagulation with nano-SiO_2[J].Marine Environmental Science,2010,29(1). |
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| Authors: | ZHANG Xiu-zhi WANG Jing ZHANG Yu-shan GUO Hong-bo HAO Jia-nan |
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| Institution: | Tianjin Institute of Seawater Desalination and Multi-purpose Utilization;State Oceanic Administration;Tianjin 300192;China |
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| Abstract: | In this study,nano-SiO2 and FeCl3 were mixed to enhance coagulation treatment of the contaminated seawater.The condition and the efficiency of enhanced coagulation using nano-SiO2 were discussed.Compared with FeCl3,nano-SiO2 can raise the removal efficiency in the contaminated seawater.It can also improve the sedimentation performance of the flocculating constituent,shorten the process of sedimentation.Compared to only plunging FeCl3(20 mg/L),the removal efficiency of turbidity,UV254,CODMn and TP of treated... |
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| Keywords: | contaminated seawater nano-SiO2 ferric chloride enhance coagulation |
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