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将茂名和抚顺油页岩及其超临界态甲苯半连续抽提的抽余物,分别用压汞法孔率仪测定它们的孔容与孔分布曲线。红外光谱、x射线衍射分析、热重分析与电镜鉴定等结果表明:矿物质在超临界流体抽提过程中的性质,没有明显的变化。计算得出的油页岩与抽余物的孔容差,与抽出物的体积基本相当。由此认为:抽余物与油页岩的孔容差分布曲线,能定量地反映有机质在油页岩中的分布状况。这两种油页岩中有机质的分布均十分细密。茂名油页岩中有机质的90％分布在孔径为300—10,000埃的范围内;抚顺油页岩的相应值为80—6,000埃。对所得结果与油页岩加工工艺的关系,进行了初步探讨。
The semi-continuous extraction of the raffinate from the Maoming and Fushun oil shale and its supercritical toluene phase were measured by mercury intrusion porosimetry to determine their pore volume and pore distribution. The results of FTIR, X-ray diffraction, TG and TEM showed that there was no obvious change in the nature of minerals during the extraction of supercritical fluid. Calculated oil shale and raffinate hole tolerance, and the volume of the extract is basically the same. Therefore, it is considered that the pore-size distribution curve of the raffinate and oil shale can quantitatively reflect the distribution of organic matter in oil shale. The distribution of organic matter in both oil shale is very fine. Ninety percent of the organic matter in Maoming oil shale is distributed over a pore size range of 300-10,000 angstroms; the corresponding value for Fushun oil shale is 80-6,000 angstroms. The relationship between the obtained results and oil shale processing technology was discussed.