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GB/T 46876-2025Specification for the operation and management of flue gas carbon dioxide capture and compression facilities (English PDF)

烟气二氧化碳捕集与压缩装置运行管理规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2025

Implementation date

July 1, 2026

Scope

GB/T 46876-2025 is the English-translated version of 烟气二氧化碳捕集与压缩装置运行管理规范.

GB/T 46876-2025 is the Chinese standard "Specification for the operation and management of flue gas carbon dioxide capture and compression facilities".

Its scope clause reads: This document specifies the preparation, startup and commissioning, operation, shutdown, troubleshooting and handling, and data acquisition procedures for flue gas carbon dioxide capture and compression devices.

The system meets operational and management requirements, and corresponding verification methods are described. This document applies to the operation and management of carbon dioxide capture and compression devices in flue gas using chemical absorption methods (organic amines, etc.). Its clauses include terms and definitions.

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Document preview — GB/T 46876-2025

National Standard of the People's Republic of China

ICS: 27.010
Classification: F 29

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4.Equipment preparation and commissioning
5.Device Start-up 4.
6.Device operation 7.
7.Device shutdown 9.
8.Equipment malfunctions and handling
9.Verification of device operation status
Appendix A (Informative) Typical Process Flow of Flue Gas Carbon Dioxide Capture and Compression Unit
Appendix B (Informative) Energy-saving Technology
Appendix C (Informative) List of Major Chemical Analysis Items
Appendix D (Informative) Causes and Handling Methods for Malfunctions in the Collection and Compression Unit
References

1 Scope

This document specifies the preparation, startup and commissioning, operation, shutdown, troubleshooting and handling, and data acquisition procedures for flue gas carbon dioxide capture and compression devices.

The system meets operational and management requirements, and corresponding verification methods are described.

This document applies to the operation and management of carbon dioxide capture and compression devices in flue gas using chemical absorption methods (organic amines, etc.).

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB 13223 Emission Standard of Air Pollutants for Thermal Power Plants

GB 16297 Integrated Emission Standard for Air Pollutants

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 carbon dioxide capture

The process of separating carbon dioxide from flue gas to meet certain performance requirements.

3.2 Leansolvent

In the carbon dioxide absorption/desorption cycle, the absorbent is desorbed in the regeneration tower and then transported from the bottom of the tower to the absorption tower.

3.3 Rich solution

In the carbon dioxide absorption/desorption cycle, the absorbent is absorbed in the absorption tower and then transported from the bottom of the tower to the regeneration tower.

3.4 Absorber

A tower used to ensure sufficient contact between lean liquor and flue gas, thereby absorbing carbon dioxide from the flue gas.

3.5 Regeneration Tower Stripper

The tower obtains sufficient heat from the reboiler and exchanges heat fully with the rich liquid, thereby completing the desorption of carbon dioxide from the rich liquid.

3.6

The high-parameter superheated steam is regulated to the required steam parameters (pressure, temperature) using a desuperheating system, a pressure reduction system, and a control system.

Device.

[Source. DL/T 2493-2022, 3.1] […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 28 pages — is available in the English PDF.

Referenced standards

Normative references

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