Effect of CS2 extraction on the physical properties and gasification activity of liquid-phase carbonization cokes
作者： Sheng Huang , Shiyong Wu , Yamin Ping , Youqing Wu , Jinsheng Gao
DOI: 10.1016/J.JAAP.2011.09.008
关键词:
摘要: Abstract Two kinds of liquid-phase carbonization cokes (LPCCs) were prepared using vacuum residue (VR) and coal tar pitch (CTP) at 350–500 °C, which the carbonaceous mesophase appears typically. And effect CS 2 extraction on physical properties (carbon crystalline structures, surface morphologies, areas pore structures) gasification activity LPCCs mainly investigated. The increasing temperature (CT) was favorable for to form more ordered carbon crystallite but their graphitization far from natural graphite. or inner pores unextracted conglutinated a large quantity -soluble fractions, severely blocked structure LPCCs. Although structures after significantly unchanged, BET total volumes extracted increased significantly, resulted in greatly higher yield led extent extraction, regardless precursors (VR CTP). soluble fractions most important factor affecting
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