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GB/T 29748-2013: Coal direct liquefaction -- Determination of ash in coal liquefaction residue
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 29748-2013 | English | 139 |
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Coal direct liquefaction -- Determination of ash in coal liquefaction residue
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GB/T 29748-2013
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Basic data | Standard ID | GB/T 29748-2013 (GB/T29748-2013) | | Description (Translated English) | Coal direct liquefaction -- Determination of ash in coal liquefaction residue | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D21 | | Classification of International Standard | 73.040 | | Word Count Estimation | 6,661 | | Quoted Standard | GB/T 23251-2009 | | Regulation (derived from) | National Standards Bulletin No. 18 of 2013 | | 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 specifies: Determination of direct coal liquefaction residue ash Terminology and definitions, methods feeds, reagents and materials, equipment, methods, precision and test reports measuring step, the calculated result. This standard applies | GB/T 29748-2013: Coal direct liquefaction -- Determination of ash in coal liquefaction residue---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.
Coal direct liquefaction. Determination of ash in coal liquefaction residue
ICS 73.040
D21
National Standards of People's Republic of China
Direct coal liquefaction
Determination of liquefaction residue ash
Issued on. 2013-09-18
2014-03-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
Accordance with the standards GB/T 1.1-2009. Drafting Rules "Standardization Guide Part 1 standard structure and preparation of" 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 Research Institute Beijing Coal Chemical Research Branch.
The main drafters of this standard. Zhong Jinlong, Mao Xuefeng, valley little while, Du Shufeng, Hufa Ting, Zhao, Wang Yong, Li Wenbo.
Direct coal liquefaction
Determination of liquefaction residue ash
1 Scope
This standard specifies the determination of the terms and definitions of direct coal liquefaction residue ash, Method summary, reagents and materials, equipment, measuring step
Suddenly, the results of the calculation, method precision and test reports.
This standard applies to the determination of direct coal liquefaction residue of ash.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 23251-2009 coal chemical coal Technical Guidelines
3 Terms and Definitions
GB/T 23251-2009 define the following terms and definitions apply to this document.
3.1
Direct coal liquefaction coaldirectliquefaction
Coal under the action of high pressure, high temperature and the hydrogenation reaction catalyst with hydrogen, whereby liquid fuel directly into the process.
[GB/T 23251-2009, the definition 3.8]
3.2
CLR coalliquefactionresidue
Direct coal liquefaction product by heavy liquid separation (mainly for the vacuum distillation) after solid mixture containing liquefied heavy oil, bitumen class
Substances, unconverted organic matter in coal, minerals and catalyst.
3.3
Liquefaction residue ash coalliquefactionresidueash
After liquefaction residue under specified conditions for complete combustion resulting residue accounted for liquefaction residue mass fraction.
4 Method summary
Weigh a certain amount of liquefaction residue sample, placed in a muffle furnace at a certain speed was raised to 500 ℃ and stay 30min, continue to heat up
To 850 ℃, ignition to constant mass, the mass fraction remaining after burning a sample substances accounted for as liquefaction residue ash.
5 Reagents and materials
5.1 Crucible. porcelain, 50mL. Mouth outer diameter 52mm, high 46mm, bottom outside diameter 30mm (see Fig. 1).
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