摘要
采用低温灰化和各种微束分析技术 ,对一些高硫高灰、低硫高灰难选煤进行了多学科研究 .结果表明 ,煤中难选矿物质大多是原生的 ,并以化学和生物化学成因为主 ;受沉积环境的制约 ,难选矿物质具有区域性 ,除难选硫之外 ,西南晚二叠世煤中的难选矿物质主要是石英 ,华北石炭二叠纪煤中的难选矿物质主要是高岭石和伊利石 ;难选硫主要赋存于镜质组中 ;难选灰大多赋存于惰质组中 ;难选矿物质以粒度小、分散 ,与有机质结合紧密为其基本赋存特征 ;
High sulfur high ash and low sulfur high ash coals are widely studied with the use of all kinds of analytic methods. The results show that hard dressing mineral matters within coal are original, chemical, biochemistry and regional under the control of depositional setting. Quartz is mainly hard dressing mineral within Late Permian coal Southwest China, except hard dressing sulfur, kaolinite and illite are mainly hard dressing mineral within Permo Carboniferous coal North China. Hard dressing sulfur greatly exists in vitrinite; hard dressing ash greatly exists in inertinite. Hard dressing mineral matters exist as very small granularity(μm～nm),even dispersion and close association with organism, some of them are valuable for comprehensive utilization.
出处
《煤炭学报》
EI
CAS
CSCD
北大核心
2000年第z1期26-29,共4页
Journal of China Coal Society
基金
煤炭科学基金资助项目!(96地 2 0 813)
关键词
煤
难选矿物质
赋存状态
综合利用
coal
hard dressing mineral
existing state
comprehensive utilization
