GB/T 28753-2012Determining of coalbed gas content - Heating desorption (English PDF)
煤层气含量测定 加温解吸法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 5, 2012
Implementation date
January 1, 2013
Scope
GB/T 28753-2012 is the English-translated version of 煤层气含量测定 加温解吸法.
GB/T 28753-2012 is the Chinese standard "Determining of coalbed gas content - Heating desorption". Its scope clause reads: This standard specifies the way to warm desorption gas content measurement method of feed, equipment, sample collection, measurement step, data Processing and measurement report.
This standard applies to coal and coal-bed methane gas exploration process to obtain the content of bituminous coal and anthracite coal core samples measured. Its clauses include method summary; equipment.
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Document preview — GB/T 28753-2012
National Standard of the People's Republic of China
- ICS
- 75.160
- Classification
- D 20
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 4 Equipment
- 5 Sample Collection
- 6 measuring step
- 7 5 Data Processing
- 8 measurement report
- Appendix A (normative) Determination of desorbed gas volume sample collection and recording format
- Appendix B (normative) Determination of residue gas volume sample preparation and recording format
- Annex D (normative) Determination CBM reporting format
1 Scope
This standard specifies the way to warm desorption gas content measurement method of feed, equipment, sample collection, measurement step, data
Processing and measurement report.
This standard applies to coal and coal-bed methane gas exploration process to obtain the content of bituminous coal and anthracite coal core samples measured.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 212 Coal Industry Analysis
GB 474 coal sample preparation
GB/T 13610 gas composition analysis by gas chromatography
GB/T 19559 CBM determination method
3 Method summary
Coalbed methane content in gas composition by the loss, and residual gas desorbed three parts of this standard by increasing the temperature to increase the desorption rate, shorten Solutions
Inspiratory cycle and method for the determination of residual gas measured gas content.
4 Equipment
4.1 desorption tank
desorption tank shown in Figure 1, a cylindrical, high 40cm, volume 1000cm3 above, under 0.3MPa pressure maintaining airtightness.
Explanation.
1 --- tanks;
2 --- lids;
3 --- valve;
4 --- gauge.
Figure 1 a schematic view of the desorption tank […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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