Natural gas desulfurization system and method

A desulfurization system and natural gas technology, applied in the direction of gas fuel, petroleum industry, fuel, etc., can solve the problem that natural gas purification technology cannot meet the requirements of natural gas desulfurization treatment

Pending Publication Date: 2019-07-09
CHENGDU SEPMEM SCI & TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The embodiment of this application provides a natural gas desulfurization system and method to improve the problem

Method used

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  • Natural gas desulfurization system and method
  • Natural gas desulfurization system and method

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Embodiment

[0071] Such as figure 1 As shown, the embodiment of the present application provides a natural gas desulfurization system 100 , including an MDEA deacidification unit 10 and a TSA desulfurization unit 20 . The deacidification unit has an input port 11 and an output port 12, and the MDEA deacidification unit 10 is configured to perform rough desulfurization treatment on raw natural gas entering through the input port 11 to obtain crude desulfurized natural gas. The TSA desulfurization unit 20 has a first inlet 21 , a first outlet 22 and a second outlet 23 , the output port 12 communicates with the first inlet 21 , and crude desulfurized natural gas can enter the first inlet 21 from the output port 12 . The desulfurization unit is configured to perform fine desulfurization on the crude desulfurized natural gas to obtain finely desulfurized natural gas and first regenerated gas, discharge the finely desulfurized natural gas from the first outlet 22 , and discharge the first regen...

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Abstract

The invention provides a natural gas desulfurization system and method, and belongs to the technical field of desulfurization. The natural gas desulfurization system comprises an MDEA deacidificationunit and a TSA desulfurization unit. The MDEA deacidification unit has a delivery inlet and a delivery outlet, and is configured to perform coarse desulfurization treatment on raw natural gas enteringvia the delivery inlet so as to obtain a crude desulfurized natural gas. The TSA desulfurization unit has a first inlet, a first outlet and a second outlet; the delivery outlet is communicated with the first inlet, and the crude desulfurized natural gas can enter the first inlet via the delivery outlet. The TSA desulfurization unit is configured to perform fine desulfurization treatment on the crude desulfurized natural gas to obtain a fine desulfurized natural gas to be discharged via the first outlet and a first regenerated gas to be discharged via the second outlet. The first regenerated gas is capable of removing sulfides adsorbed on the TSA desulfurization unit via the second outlet. The fine desulfurized natural gas treated by the MDEA deacidification unit and the TSA desulfurization unit can meet higher use requirements.

Description

technical field [0001] The present application relates to the technical field of natural gas desulfurization, in particular, to a natural gas desulfurization system and method. Background technique [0002] At present, with the development of science and technology and the improvement of people's living standards, the supply of natural gas is increasing, and the requirements for the use of natural gas are getting higher and higher. In the traditional technology, the MDEA deacidification unit is generally used to desulfurize the natural gas at the same time as the deacidification treatment. With the increase in the use of natural gas, the MDEA deacidification unit can no longer meet the needs of natural gas treatment, especially the technical requirements for natural gas desulfurization. Contents of the invention [0003] The embodiment of the present application provides a natural gas desulfurization system and method to improve the problem that the traditional natural gas...

Claims

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Application Information

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IPC IPC(8): C10L3/10
CPCC10L3/103
Inventor 张惊涛黄文俊
Owner CHENGDU SEPMEM SCI & TECH
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