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上传于：2016-11-23

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    188宝金博页面版: Experimental Study on Lead-Containing Waste Water Treatment by Modified Fly Ash

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    内容提示： Advances in Environmental Protection 环境保护前沿, 2016, 6(4), 47-53 Published Online August 2016 in Hans. http://www.hanspub.org/journal/aep http://dx.doi.org/10.12677/aep.2016.64007 文章引用: 秦樊鑫, 杨昱. 改性粉煤灰处理含铅废水的试验研究[J]. 环境保护前沿, 2016, 6(4): 47-53. http://dx.doi.org/10.12677/aep.2016.64007 Experimental Study on Lead-Containing Waste Water Treatment by Modified Fly Ash Fanxin Qin 1 , Yu Yang 2 1 Guizhou Provincial Key Laboratory for Information System of Mountainous Areas...

    文档格式：PDF | 页数：7 | 浏览次数：15 | 上传日期：2016-11-23 06:54:50 | 文档星级：
    Advances in Environmental Protection 环境保护前沿, 2016, 6(4), 47-53 Published Online August 2016 in Hans. http://www.hanspub.org/journal/aep http://dx.doi.org/10.12677/aep.2016.64007 文章引用: 秦樊鑫, 杨昱. 改性粉煤灰处理含铅废水的试验研究[J]. 环境保护前沿, 2016, 6(4): 47-53. http://dx.doi.org/10.12677/aep.2016.64007 Experimental Study on Lead-Containing Waste Water Treatment by Modified Fly Ash Fanxin Qin 1 , Yu Yang 2 1 Guizhou Provincial Key Laboratory for Information System of Mountainous Areas and Protection of Ecological Environment, Guizhou Normal University, Guiyang Guizhou 2 School of Public Health, Zunyi Medical University, Zunyi Guizhou Received: Jun. 30 th , 2016; accepted: Jul. 16 th , 2016; published: Jul. 19 th , 2016 Copyright © 2016 by authors and Hans Publishers Inc. This work is licensed under the Creative Commons Attribution International License (CC BY). http://creativecommons.org/licenses/by/4.0/ Abstract According to the phenomenon of lead exceeds the standard in the environmental water body, acid modified fly ash was used as adsorbent material for purifying waste water containing lead. Effect factors such as particle size, adsorption time, adsorption temperature and pH value on the remov-al rate of lead were investigated by using a single factor method and orthogonal test method. The magnitude order of the effect of various factors on the removal of lead by fly ash was particle size of fly ash > adsorption temperature = pH value > adsorption time. Under the condition that the fly ash particle size is 200 meshes, the adsorption temperature is 30?C, the adsorption time is 2 hours, and the pH value is 6, the removal rate of lead in waste water was 98.40%. The concentration of Pb 2+ after treatment was lower than that of 0.80 mg/L, and reached the requirement of GB 8978-2002 “waste water comprehensive discharge standard”. The adsorption model of Pb 2+ with modified fly ash was in accordance with the Langmuir adsorption model. Keywords Coal Fly Ash, Modified, Waste Water, Removal of Lead 改性粉煤灰处理含铅废水的试验研究 秦樊鑫 1 ，杨 杨 昱 昱 2 1 贵州师范大学，贵州省山地环境信息系统与生态环境保护重点实验室，贵州 贵阳 2 遵义医学院公共卫生学院，贵州 遵义

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