燃料化学学报2012,Vol.40Issue(7):831-837,7.
Ni-Mg-ZrO2催化剂上煤层甲烷三重整制合成气
Tri-reforming of coal bed methane to syngas over the Ni-Mg-ZrO2 catalyst
摘要
Abstract
Ni-ZrO2 and Ni-Mg-ZrO2 catalysts were prepared by a co-precipitation method, and then were characterized by BET, XRD, H2-TPR and CO2-TPD techniques. The performances of catalysts in the tri-reforming of coal bed methane to syngas were studied in a fixed bed reactor. The reaction conditions (temperature and feed gas composition) were mainly investigated. The results showed that at f = 800 t, atmospheric pressure, CH4/CO2/H2O/O2/N2 = 1.0/0.45/0. 45/0. 1/0.4, GHSV = 30 000 mL/(g·h), about 99% of CH4 conversion, 65% of CO2 conversion, and Vh/Vco, of 1. 5 could be achieved during 58 h of reaction, which are related to the strong metal-support interaction, the good thermal stability and basic nature of the catalyst. Furthermore, high temperature favors the tri-reforming of methane. By adjusting the feed gas composition, a specific VH2/VCo could be achieved.关键词
甲烷/三重整/合成气/Ni-Mg-ZrO2催化剂Key words
coal bed methane/ tri-reforming/ syngas/ Ni-Mg-ZrO2 catalyst分类
化学引用本文复制引用
孙来芝,谭猗生,张清德,解红娟,韩怡卓..Ni-Mg-ZrO2催化剂上煤层甲烷三重整制合成气[J].燃料化学学报,2012,40(7):831-837,7.基金项目
国家科技部自主研究课题(2008BWZ2005) (2008BWZ2005)
山西省国际科技合作项目(2008081012). (2008081012)