GB/T 29748-2013 English PDF

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GB/T 29748-2013: Coal direct liquefaction -- Determination of ash in coal liquefaction residue
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 29748-2013	139	Add to Cart	3 days	Coal direct liquefaction -- Determination of ash in coal liquefaction residue	Valid

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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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