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GB/T 47296-2026Technical specification for project-level assessment of greenhouse gas emission reductions - Biomethane projects (English PDF)

基于项目的温室气体减排量评估技术规范　生物天然气工程

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

March 31, 2026

Implementation date

October 1, 2026

Scope

GB/T 47296-2026 is the English-translated version of 基于项目的温室气体减排量评估技术规范　生物天然气工程.

GB/T 47296-2026 is the Chinese standard "Technical specification for project-level assessment of greenhouse gas emission reductions - Biomethane projects".

Its scope clause reads: This document specifies the project boundaries, emission source identification, and baseline scenario for greenhouse gas emission reduction assessments of biogas engineering projects.

Requirements for emission reduction calculation, project monitoring and data quality management, and assessment report preparation are outlined, along with corresponding accounting methods.

This document applies to the assessment of greenhouse gas emission reductions for newly built, renovated, and expanded biogas and biomethane projects. Other biomass fuels...

This should be used as a reference for assessing greenhouse gas emission reductions in gas engineering projects. Its clauses include terms and definitions.

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Document preview — GB/T 47296-2026

National Standard of the People's Republic of China

ICS: 13.020.10
Classification: Z 04

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

Preface
Introduction
1.Scope
2 Normative References
3.Terms and Definitions
4 General Principles
5.Requirements and Methods for Emission Reduction Assessment
Appendix A (Informative) Greenhouse Gas Emissions Accounting Methods in Baseline Scenario
Appendix B (Informative) Recommended Values for Parameters Related to Greenhouse Gas Emission Calculations
Appendix C (Normative) Greenhouse Gas Emissions Accounting Methods in Project Activities
Appendix D (Normative) Calculation Method for Greenhouse Gas Emissions from Biogas Sludge Composting
Appendix E (Normative) Monitoring Data Requirements
Appendix F (Informative) Report Content and Format Requirements
References

1 Scope

This document specifies the project boundaries, emission source identification, and baseline scenario for greenhouse gas emission reduction assessments of biogas engineering projects.

Requirements for emission reduction calculation, project monitoring and data quality management, and assessment report preparation are outlined, along with corresponding accounting methods.

This document applies to the assessment of greenhouse gas emission reductions for newly built, renovated, and expanded biogas and biomethane projects. Other biomass fuels...

This should be used as a reference for assessing greenhouse gas emission reductions in gas engineering projects.

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 17820 Natural Gas

GB/T 32150 General Rules for Greenhouse Gas Emission Accounting and Reporting by Industrial Enterprises

GB/T 33760 General Requirements for Technical Specifications of Project-Based Greenhouse Gas Emission Reduction Assessment

3 Terms and Definitions

The terms and definitions defined in GB/T 32150 and GB/T 33760, as well as the following terms and definitions, apply to this document.

3.1 anaerobic digestion

The process by which microorganisms decompose organic matter and produce biogas under anaerobic conditions.

[Source. GB/T 40506-2021, 5.2.1]

3.2 Biomass-derived fuel gas

Combustible gas produced from biomass through thermochemical or biochemical conversion.

Note. In this document, biomass fuel gas refers to methane, a combustible gas produced through biochemical conversion.

[Source. GB/T 40506-2021, 3.3]

3.3 biomethane

Biomass gas, obtained through reforming, separation, and purification, is primarily composed of methane and conforms to the requirements of GB 17820.

gas.

Note. Biomass gas in this document includes biogas and biomethane obtained after separation and purification of biogas.

[Source. GB/T 40506-2021, 3.4] […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 43 pages — is available in the English PDF.

Referenced standards

Normative references

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