化工学报2017，Vol.68Issue(4)：1582-1589,8.DOI:10.11949/j.issn.0438-1157.20161358
固有碳酸盐和硅酸盐对太姥油页岩热解产物的影响
Influence of inherent carbonates and silicates on pyrolytic products of Tailao oil shale
摘要
Abstract
Tailao oil shale was subject to step-wise acid washing to eliminate the inherent carbonate and silicate minerals. The pyrolysis experiments of original oil shale and its demineralization products were carried out in an aluminum retort. The composition and property of shale oil and pyrolytic gas were characterized by elemental analysis, chemical class composition, gas chromatography-mass spectrometer (GC-MS) and gas chromatography (GC). The influence of inherent carbonate and silicate minerals on pyrolysis was studied by comparing the product yields and compositions. The results showed that carbonates promoted the formation of shale oil and nitrogen- and oxygen-containing compounds, while silicates inhibited the evolution of oil and oxygenated compounds. Both carbonates and silicates decreased the H/C atomic ratio of shale oil. Furthermore, silicates would catalyze the combination of alkyl free radicals and hydrogen free radicals and cracking of long-chain aliphatic hydrocarbons, which increased the alkanes and short-chain hydrocarbons contents of shale oil, as well as the hydrocarbon gases yields, but decreased the hydrogen yield. On the contrary, carbonates suppressed the combination of free radicals and cracking of long-chain aliphatic hydrocarbons.关键词
油页岩/热解/脱矿物质/页岩油/自由基/裂解Key words
oil shale/pyrolysis/demineralization/shale oil/radical/cracking分类
能源科技引用本文复制引用
畅志兵,初茉,张超,白书霞,林浩,马良博..固有碳酸盐和硅酸盐对太姥油页岩热解产物的影响[J].化工学报,2017,68(4):1582-1589,8.基金项目
国家重点基础研究发展计划项目(2014CB744301). supported by the National Basic Research Program of China (2014CB744301). （2014CB744301）
