Extraction method of organic sulphur in carbonate rocks with low organic matter content
A technology of organic matter content and carbonate rock, which is applied to the extraction of organic sulfur in carbonate rock and the field of organic sulfur extraction, can solve the problems of inaccurate measurement of organic sulfur content and isotopic composition, and achieves high accuracy and simple operation. , the effect of low execution cost
Active Publication Date: 2018-06-12
INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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The invention provides an extraction method of organic sulphur in carbonate rocks with low organic matter content. The extraction method comprises the following steps: 1) performing acid treatment oncarbonate rock samples to obtain acid treatment residual samples; 2) performing separation treatment on the acid treatment residual samples by using heavy fluid to obtain a first organic matter product; 3) performing pyrite removal treatment on the first organic matter product to obtain a second organic matter product; 4) dissolving the second organic matter product to obtain a targeted solution,and converting the organic sulphur in the targeted solution into precipitants, wherein a sulphur element in the precipitants is the organic sulphur in the carbonate rock samples. The method is easy tooperate, can eliminate an influence of non-organic sulphur in the carbonate rock samples on extraction of the organic sulphur, and can improve the purity of extracted organic sulphur.
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Property | Measurement | Unit |
Granularity | 200.0 | mesh |
Density | 2.05 ~ 2.1 | g/cm³ |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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