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Removing carbonyl sulfide with metal-modified activated carbon
  • ISSN号:1005-023X
  • 期刊名称:《材料导报》
  • 时间:0
  • 分类:TQ424.1[化学工程] X131.1[环境科学与工程—环境科学]
  • 作者机构:Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China
  • 相关基金:This work was supported by the National Natural Science Foundation of China (Grant Nos. Ul137603, 51268021 and 51368026), the National High Technology Research and Development Program of China (No. 2012AA062504) and the Applied Basic Research Program of Yunnan (Nos. 2011FB027 and 2011FA010).
中文摘要:

Cu-Co-K/activated 碳(交流) 吸附物为羰基硫化物(公司) 的移动被开发了。公司集中,反应温度和相对湿度的效果仔细被检验。33.23 mg 公司敢搠慥? 条楡的突破?

英文摘要:

A Cu-Co-K/activated carbon (AC) adsorbent has been developed for the removal of carbonyl sulfide (COS). The effects of COS concentration, reaction temperature and relative humidity were closely examined. A breakthrough of 33.23 mg COS .gl adsorbent at 60℃, under 30% relative humidity and in presence of 1.0% oxygen was exhibited in the Cu-Co-K/AC adsorbent prepared. Competitive adsorption studies for COS in the presence of CS2, and H2S were also conducted. TPD analysis was used to identify sulfur-containing products on the carbon surface, and the results indicated that H2S, COS and SO2 were all evident in the effluent gas generated from the exhausted Cu-Co-K/AC. Structure of the activated carbon samples has been characterized using nitrogen adsorption, and their surface chemical structures were also determined with X-ray photoelectron spectroscopy (XPS). It turns out that the modification with Cu(OH)2CO3- CoPcS-KOH can significantly improve the COS removal capacity, forming SO2/4 species simultaneously. Regenera- tion of the spent activated carbon sorbents by thermal desorption has also been explored.

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期刊信息
  • 《材料导报:纳米与新材料专辑》
  • 主管单位:重庆西南信息有限公司(原科技部西南信息中心)
  • 主办单位:重庆西南信息有限公司(原科技部西南信息中心)
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  • 地址:重庆市渝北区洪湖西路18号
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  • 邮箱:matreved@163.com
  • 电话:023-67398525
  • 国际标准刊号:ISSN:1005-023X
  • 国内统一刊号:ISSN:50-1078/TB
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  • 被引量:3397