煤直接液化残渣的萃取和利用研究  

STUDY ON EXTRACTION AND UTILIZATION OF COAL DIRECT LIQUEFACTION RESIDUE

作　　者：程时富[1] 张元新[1] 常鸿雁[1] 白雪梅[1] 章序文[1] 李克健[1] 

机构地区：[1]中国神华煤制油化工有限公司上海研究院,上海硕士工程师201108

出　　处：《煤炭转化》2015年第4期38-42,共5页Coal Conversion

基　　金：国家高技术研究发展计划(863)项目(2009AA052318)

摘　　要：根据煤液化残渣的组成特点,选取不同馏分段的煤液化油和煤焦油洗油作为溶剂进行了残渣萃取分离实验研究.结果表明,在常温下,溶剂和残渣质量比为2∶1时,馏程为137℃~213℃的煤液化油对煤液化残渣的萃取率（干燥基）为22.85%,与煤液化残渣中的正己烷可溶物含量相当;馏程为230℃~317℃的煤焦油洗油,对煤液化残渣的萃取率为44.63%,与煤液化残渣中的四氢呋喃可溶物含量相当.采用煤液化油和煤焦油洗油对煤液化残渣进行了两级萃取分离,得到了萃取物和萃余物,并分别在煤加氢液化循环溶剂和水煤浆制备等应用方面进行了探索性研究.On the basis of component and property,extraction of liquefaction residue from Shenhua coal with distillation coal liquefaction oil（CLO）and washing oil were investigated.It was found that extract yield of residue was about 22.85%（dry found）with CLO（distillation point at 137 ℃-213 ℃）at 30 ℃ and solvent and residue mass ratio of 2∶1.Meanwhile,extract yield of residue was 44.63% with washing oil（distillation point at 230℃-317℃）.Two step solvent extract separation of residue with CLO and washing oil was investigated,extract and remain were obtained.The application of extract and remain in use of coal direct liquefaction recycle solvent and coal water slurry were also studied exploratory.

关 键 词：煤液化残渣 两级溶剂萃取 萃取物 萃余物 

分 类 号：TQ529.1[化学工程—煤化学工程] X784[环境科学与工程—环境工程]