干酪根
碳氢化合物
催化作用
化学
动力学
产量(工程)
无机化学
吸附
矿物学
化学工程
有机化学
地质学
烃源岩
材料科学
冶金
古生物学
工程类
物理
构造盆地
量子力学
出处
期刊:Acta Sedimentologica Sinica
日期:2004-01-01
摘要
The effects of catalysts on hydrocarbon generation from kerogen have been investigated by using simulation experiment and chemical catalysis mechanism. The simulated samples were selected from Estonia area. The catalytic action of different catalysts was studied on the product composition, hydrocarbon yield, kinetics of hydrocarbon generation. In the presence of carbonatite, the yield of generated hydrocarbon S 2 has been decreased because of the adsorption of carbonatite on pyrolysates. The insoluble salt, CaSO 4, as a catalyst, has enhanced kerogen degradation to increase the yield of hydrocarbon(S 2).The soluble salts including CaCl 2,Na 2SO 4 and NaHCO 3 have no effect on the hydrocarbon generation from kerogen. As the kinetics is concerned, carbonatite has a negative catalytic effect and decreases the reaction rate , but CaSO 4 has a positive effect and gives rise to the reaction rate. In addition, it is also found that the kinetic parameters, apparent activation energy and frequency factor , have a relationship with each other, which can be reasonably described by an exponential function.
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