Processing method of shale oil

Abstract

The invention discloses a processing method of shale oil, which comprises the following steps: after mixing shale oil and an extracting agent, heating up, and starting to stir so that the shale oil and the extracting agent are thoroughly mixed and are thoroughly in contact with each other; stopping stirring, standing so that the extract phase and the raffinate phase stratify, and separating the extract phase and the raffinate phase; and respectively distilling the extract phase and the raffinate phase to respectively obtain extract oil and the extracting agent, and raffinate oil and the extracting agent, and recovering the extracting agent. The method disclosed by the invention is simple and easy to operate, and the reaction conditions are mild; and the method can be carried out under theconditions of atmospheric pressure and low temperature, does not need the participation of the catalyst, and thus, has the advantages of low input cost and obvious economic benefit. Meanwhile, the method can be used for generating multiple products, such as extract oil composed of light and heavy components respectively for preparing non-hydrocarbon compounds and asphalt products, and raffinate oil which can be directly used as the raw material for catalytic cracking, thereby increasing the added value of the products. The heavy component of the extract oil has the advantages of low viscosity, high plasticity and high temperature sensibility, and can be blended into asphalt of different designations to satisfy the demands for different purposes.

Description

1. Technical field [0001] The invention belongs to the technical field of shale oil processing, and in particular relates to a shale oil processing method. 2. Background technology [0002] Shale oil is a very rich potential energy source in the world. Its total reserves greatly exceed that of petroleum. It was used as fuel as early as 800-1000 years ago. The development of shale oil reached its peak in the 1930s and 1940s. However, since the 1950s, due to the supply of high-quality oil, the development of the shale oil industry has temporarily stopped. Until the energy crisis at the end of the 1970s, people re-emphasized the research and development of shale oil and used modern scientific methods to carry out research and development of shale oil. In-depth analysis provides a basis for the utilization and deep processing of shale oil. Shale oil is a mixture of various organic compounds obtained by thermally decomposing organic matter in kerogen shale through low-temperatur...

AI Technical Summary

Problems solved by technology

However, this process needs to be carried out under high temperature, high pressure and catalyst conditions. The reaction conditions are harsh, the process is complex, the hydrogen consumption and operating costs are high, and it is not easy to realize due to the limitation of hydrogen source supply.

At the same time, the product is relatively single, and non-hydrocarbon compounds containing S, N, O, etc. cannot be fully utilized, resulting in a waste of resources