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System and method for removing hydrogen sulfide from a natural gas stream

A hydrogen sulfide and gas flow technology, applied in chemical instruments and methods, separation methods, liquefaction, etc., can solve problems such as increasing investment savings

Inactive Publication Date: 2015-01-21
TWISTER BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unfortunately, the incremental capital savings from smaller amine and Claus units cannot outweigh the incremental cost of these progressively larger coolers

Method used

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  • System and method for removing hydrogen sulfide from a natural gas stream
  • System and method for removing hydrogen sulfide from a natural gas stream
  • System and method for removing hydrogen sulfide from a natural gas stream

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0049] figure 1 A schematic diagram of a refining system and method of one embodiment is depicted.

[0050] The refining system 100 includes:

[0051] A first part A for bulk removal of H from unrefined natural gas 2 A first separation process for S; a second part B for further removal of H by a cyclone separation process 2 A second separation process for S; an inlet section C for receiving feed gas (unrefined natural gas); an outlet section D for containing H 2 Output of S and sulfur liquids.

[0052] In inlet section C, feed gas FG is received from a gas or oil field and thermally pretreated as described below. The feed gas FG is introduced from the inlet section C into the first section A to remove H 2 S.

[0053] for mass removal of H 2 The first part A of S passes through the first and second sub-stages to generate the first process feed gas stream PG1. An exemplary embodiment of the first part A refers to figure 2 describe. The first process feed gas stream PG...

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Abstract

A refining system for refining a feed gas comprising hydrocarbons and hydrogen sulfide having a first concentration of hydrogen sulfide including a first part for producing a stream of a first processed feed gas, and a second part for producing a second stream of a second processed feed gas from the stream of the first processed feed gas using a separation process for H2S removal.

Description

technical field [0001] The present invention relates to a system for removing hydrogen sulfide from a gas stream. The invention also relates to a method for removing hydrogen sulphide from a gas stream. Furthermore, the invention relates to a cyclone separator. Background technique [0002] Natural gas obtained from gas or oil fields contains usually mixed with additional components such as heavier hydrocarbons (such as ethane, propane, butane and pentane) and other substances such as carbon dioxide, nitrogen, helium, mercury and hydrogen sulfide (H 2 S) Mixed methane gas. [0003] The amount of hydrogen sulfide, which is biologically harmful, can be relatively high in unrefined natural gas from many mine fields. Amounts of hydrogen sulfide of about 30 mol % are usually observed. [0004] For many applications, it is desirable to reduce the amount of hydrogen sulfide to relatively low levels, such as parts per million (ppm). [0005] In the prior art, methods aimed at r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/00B01D53/14B01D53/24C10L3/10F25J3/06C07D333/48
CPCB01D53/002C10L3/102B01D2258/06B01D53/1468B01D2257/304C10L3/10
Inventor M·贝亭R·P·范贝克C·A·特金克威宁克
Owner TWISTER BV