GB/T 28753-2012 English PDF

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GB/T 28753-2012: Determining of coalbed gas content -- Heating desorption
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 28753-2012	329	Add to Cart	3 days	Determining of coalbed gas content -- Heating desorption	Valid

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Basic data

Standard ID: GB/T 28753-2012 (GB/T28753-2012)
Description (Translated English): Determining of coalbed gas content -- Heating desorption
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D20
Classification of International Standard: 75.160
Word Count Estimation: 14,117
Quoted Standard: GB/T 212; GB 474; GB/T 13610; GB/T 19559
Regulation (derived from): National Standards Bulletin 2012 No. 28
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard provides a way to heat desorption method of measuring gas content feeds, equipment, sample collection, measurement procedure, data processing and measurement report. This standard applies to coal and coal bed methane exploration process of b

GB/T 28753-2012: Determining of coalbed gas content -- Heating desorption

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS75.160 D20 National Standards of People's Republic of China Determination of coalbed methane desorption warming Issued on. 2013-01-01 2012-11-05 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 Method summary 3 1 4 Equipment 1 5 Sample Collection 2 6 measuring step 3 7 5 Data Processing 8 measurement report 6 Appendix A (normative) Determination of desorbed gas volume sample collection and recording format 7 Appendix B (normative) Determination of residue gas volume sample preparation and recording format 8 Calculation Appendix C (normative) loss of gas volume direct method format 9 Annex D (normative) Determination CBM reporting format 10

Foreword

This standard was drafted in accordance with the rules of GB/T 1.1 given. The standard proposed by China Coal Industry Association. This standard coal by the National Standardization Technical Committee (SAC/TC42) centralized. This standard was drafted. Coal Science and Industry Group, Xi'an Institute of Coal Science and Industry Group, Shenyang Institute. The main drafters. Zhang Hui, Pangxiang Wei, Yang Jie, Zhao Xiao Wen, Jiang Wenzhong, black Lei, Peng Xing Jing, Song Xiaozhong, Tianxin Juan. Determination of coalbed methane desorption warming

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 ......

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