Coal liquefaction reaction system and method for purifying hydrogen in direct coal liquefaction process
The invention relates to the technical field of direct coal liquefaction, in particular to a coal liquefaction reaction system and a method for purifying hydrogen in a direct coal liquefaction process, the coal liquefaction reaction system comprises a coal liquefaction reaction system, a separation...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
12.04.2022
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Subjects | |
Online Access | Get full text |
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Summary: | The invention relates to the technical field of direct coal liquefaction, in particular to a coal liquefaction reaction system and a method for purifying hydrogen in a direct coal liquefaction process, the coal liquefaction reaction system comprises a coal liquefaction reaction system, a separation system, a liquid removal system and a hydrogen purification system; the hydrogen purification system comprises a first-stage membrane separation unit used for carrying out primary membrane separation on hydrogen-rich purified gas to obtain high-purity hydrogen and first tail gas, and the permeation side of the first-stage membrane separation unit is communicated with the coal liquefaction reaction system through a third pipeline; the secondary membrane separation unit is used for carrying out secondary membrane separation on the first tail gas to obtain second hydrogen and second tail gas; the desulfurization unit is used for carrying out desulfurization treatment on the second hydrogen; and the crossover line is c |
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Bibliography: | Application Number: CN202111384335 |