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含油污泥制备高比表面积活性炭
引用本文:邓皓,王蓉沙,张明栋,任雯,谢水祥,岳勇,刘鹏,刘晓辉. 含油污泥制备高比表面积活性炭[J]. 山东大学学报(工学版), 2014, 44(2): 69-75. DOI: 10.6040/j.issn.1672-3961.0.2013.264
作者姓名:邓皓  王蓉沙  张明栋  任雯  谢水祥  岳勇  刘鹏  刘晓辉
作者单位:中国石油安全环保技术研究院, 北京 102206
基金项目:中国石油天然气股份有限公司科学研究与技术开发资助项目(2011E-2407)
摘    要:以含油污泥为原料,氢氧化钠为活化剂,在氮气保护下,通过室内静态热解炉制备高比表面积活性炭。研究炭化温度、活化升温方式、活化温度、活化时间和碱碳质量比m(NaOH)/m(C)对高比表面活性炭的影响。采用全自动比表面与孔隙度分析仪、钨灯丝环境扫描电子显微镜等测试设备,分别对产品的比表面积与孔径分布、组成及微观形貌进行定性或定量分析。研究结果表明,含油污泥制备高比表面积活性炭的较佳条件为:炭化温度500℃,活化升温方式(c),活化温度800℃,活化时间1h, m(NaOH)/m(C)=2。采用本方法制备的活性炭比表面积大于2000m2/g,平均孔径小于2nm,总孔容大于2cm3/g,性能优于普通活性炭,可作为能源储存介质、电极材料、高效吸附剂的基础材料,为含油污泥的资源化利用提供了一条新途径。

关 键 词:含油污泥  炭化  活化  氢氧化钠  比表面积  活性炭  
收稿时间:2013-09-16

Preparation of activated carbon with high specific surface area using oily sludge
DENG Hao,WANG Rongsha,ZHANG Mingdong,REN Wen,XIE Shuixiang,YUE Yong,LIU Peng,LIU Xiaohui. Preparation of activated carbon with high specific surface area using oily sludge[J]. Journal of Shandong University of Technology, 2014, 44(2): 69-75. DOI: 10.6040/j.issn.1672-3961.0.2013.264
Authors:DENG Hao  WANG Rongsha  ZHANG Mingdong  REN Wen  XIE Shuixiang  YUE Yong  LIU Peng  LIU Xiaohui
Affiliation:CNPC Research Institute of Safety & Environmental Technology, Beijing 102206, China
Abstract:An activated carbon with high specific surface area was prepared from oily sludge. The whole preparation was put forth in a static pyrolyzing furnace with nitrogen and sodium hydroxide as the activation agent. The effects of conditions on the activated carbon were studied, such as carbonization temperature, heating way for activation, activation temperature, activation time and the mass ratio (m(NaOH)/m(C)). The specific surface area and pore size distribution were tested by the automated surface area and pore size analyzer. The element and microstructure were characterized by ESEM. The results showed that the best experimental conditions were as the followings, the carbonization temperature was 500℃, the heating way for activation was method c, the activation temperature was 800℃, the activation time was 1h, and m(NaOH)/m(C) was 2∶1. The surface area of the activated carbon was more than 2000m2/g. The activated carbon had uniform pore size and its average pore size was less than 2nm. Its total pore volume was greater than 2cm3/g. Based on those features, activated carbon could be used as storage media for energy, electrode materials, highly effective adsorbents and others basic materials. Therefore, this research could give a new way for resource utilization of oily sludge.
Keywords:activation  carbonization  activated carbon  sodium hydroxide  specific surface area  oily sludge  
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