文献类型：期刊文献

英文题名：Investigations on CS2-solube fractions and gasification reactivity of liquid-phase carbonization cokes

作者：Wu, Youqing[1]; Huang, Sheng[1]; Wu, Shiyong[1]; Gao, Jinsheng[1]

机构：[1] Department of Chemical Engineering for Energy Resources, East China University of Science and Technology, Ministry of Education, 130 Meilong Road, Shanghai 200237, China

年份：2010

卷号：24

期号：10

起止页码：5596

外文期刊名：Energy and Fuels

收录：EI(收录号：20104413339949)

语种：英文

外文关键词：Carbonization - Byproducts - Liquids - Coal tar

摘要：Two kinds of liquid-phase carbonization cokes (LPCCs) from vacuum residue and coal tar pitch were prepared at 350-500 °C, at which the carbonaceous mesophase appears typically. Investigations on elemental composition, surface morphology, extraction yield, CS2-soluble fraction, and gasification activity of LPCCs were mainly made. In the liquid-phase carbonization process, a large quantity of CS2-soluble fractions, which were reserved in the pores of LPCCs, were produced. These CS2-soluble fractions were abundant in alkanes and arenes and only contained a little quantity of cyclanes. The increasing carbonization temperature strongly promoted the production of arenes, with higher aromacity in the CS2-soluble fractions. After the CS2 extraction of LPCCs, two benefits for the use of LPCCs would be obtained: producing some organic compounds as byproducts and greatly enhancing their gasification activity, owing to the removal of CS2-soluble fractions and fine particles conglutinated on their pore surfaces. Therefore, the solvent extraction was a promising and excellent way for the pretreatment of LPCCs (such as petroleum coke and pitch coke) to promote their efficient uses. ? 2010 American Chemical Society.