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Clean Coal Technology. 2014, (02)

Preparation of activated carbon for deep purification of drinking water by Datong coalsChinese Full Text

NIU Hanbin;WANG Zhenjun;SUN Zhongchao;Datong Electric Locomotive Co. ,Ltd.,China ,CNR Co. ,Ltd.;Beijing Research Institute of Coal Chemistry,China Coal Research Institute;National Energy Technology ＆ Equipment Laboratory of Coal Utilization and Emission Control;State Key Laboratory of High Efficient Mining and Clean Utilization of Coal Resources;Beijing Key Laboratory of Coal Based Carbon Materials;

Abstract: Prepare the excellent activated carbon for deep purification of drinking water through adding additive to two kinds of representative Datong coals using briquetting method. Investigate the influence of activation time on product strength,loading density,iodine and methylene blue adsorption. The results show that,the minimum strength of activated carbon products is 95. 2 percent and 95. 6 percent,the minimum loading density is 490 g / L and 498 g / L,both of the maximum methylene blue adsorption is 240 mg / g,and iodine adsorption is more than 1100 mg / g. So the performance of the product is better than that of the common activated carbon. The comparison of pore structure of the two kinds of products show that,the activated carbon preparing from No. 2 raw coal has flourishing pore structure,its specific surface area and pore volume is greater than that of the product making from No. 1 raw coal by 74 m2/ g and 0. 03 mL / g. So No. 2 raw coal is the beat choice for preparing activated carbon for deep purification of drinking water.
Keywords：

activated carbon; Datong coal; additive; briquetting; pore structure; activation time;

  • DOI：

    10.13226/j.issn.1006-6772.2014.02.019

  • Series：

  • Subject：

  • Classification Code：

    TD849;TQ424.1

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