GB/T 38772-2020Pitch from coal liquefaction (English PDF)
煤液化沥青
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
April 28, 2020
Implementation date
November 1, 2020
Scope
GB/T 38772-2020 is the English-translated version of 煤液化沥青.
GB/T 38772-2020 is the Chinese standard "Pitch from coal liquefaction". Its scope clause reads: This Standard specifies the terms and definitions, technical requirements and test methods, inspection rules, packaging, marking, transportation, storage, delivery acceptance and safety requirements for pitch from coal liquefaction.
This Standard applies to pitch products that are produced by processes such as hydro-liquefaction and coal-oil co-processing, with coal as raw material. Its clauses include terms and definitions; technical requirements and test methods; inspection rules; safety.
It was issued by the State Administration for Market Regulation on APRIL 28, 2020 and took effect on NOVEMBER 01, 2020.
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Document preview — GB/T 38772-2020
National Standard of the People's Republic of China
- ICS
- 75.140
- Classification
- G 18
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword3
- 1 Scope4
- 2 Normative references4
- 3 Terms and definitions5
- 4 Technical requirements and test methods5
- 5 Inspection rules6
- 6 Packaging, marking, transportation, storage and delivery acceptance7
- 7 Safety7
1 Scope
This Standard specifies the terms and definitions, technical requirements and test methods, inspection rules, packaging, marking, transportation, storage, delivery acceptance and safety requirements for pitch from coal liquefaction.
This Standard applies to pitch products that are produced by processes such as hydro-liquefaction and coal-oil co-processing, with coal as raw material.
2 Normative references
The following documents are indispensable for the application of this document.
For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 267, Petroleum products - Determination of flash and fire points (Open cup)
GB/T 2288, Coking products - Determination of moisture content
GB/T 2292, Determination of toluene insoluble content for coking products
GB/T 2293, The method of quinoline-insoluble for pitch products of coal carbonization
GB/T 4509, Standard test method for penetration of bitumen
GB/T 5304, Asphalt thin-film oven test method
GB/T 6679, General rules for sampling solid chemical products
GB/T 8928, Standard test method for density of semi-solid and solid asphalt
GB/T 29748, Coal direct liquefaction - Determination of ash in coal liquefaction residue
GB 30000.8-2013, Rules for classification and labelling of chemicals - Part 8: Flammable solids
GB/T 30043, Coal direct liquefaction - Determination of softening point of liquefaction residue - Ring and ball apparatus Quinoline insoluble matter/% <=1.0 <=5.0 - GB/T 2293 Moisture/% <=5.0 GB/T 2288 Density (25 °C)/(g/cm3) Report
GB/T 8928
5 Inspection rules
5.1 Delivery inspection
Delivery batch inspection items: ash, softening point, toluene insoluble matter, moisture.
Delivery cycle inspection items: penetration, mass change, flash point, quinoline insoluble matter, density. In the case of stable production, the inspection cycle is one year.
5.2 Type inspection
All inspection items that are specified in Table 1 are type inspection items. Carry out type inspection in the following cases:
a) Trial type appraisal of new products or products that are transferred to the factory for production;
b) After formal production, if there are major changes in structure, materials and processes, which may affect product performance;
c) When production resumes after a long-term shutdown;
d) Type inspection according to cycle during normal production;
e) When the national quality supervision institutions propose a requirement to carry out type inspection;
f) When the user proposes a requirement to carry out type inspection.
5.3 Batch rules
In the case of the same production process, the volume of each batch of products does not exceed 2 000 t. […]
5.4 Sampling rules
......
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
Normative references
- GB/T 267Petroleum products--Determination of flash and fire points--Open cup
- GB/T 2288Coking products - Determination of moisture content
- GB/T 2292Determination of toluene insoluble content for coking products
- GB/T 2293The method of quinoline-insolube for pitch products of coal carbonization
- GB/T 4509Standard test method for penetration of bitumen
- GB/T 5304Asphalt thin-film oven test method
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Related Standards
GB 30000.8-2013 — Rules for classification and labelling of chemicals - Part 8: Flammable solids
GB/T 2288-2008 — Coking products - Determination of moisture content
GB/T 22880-2008 — Paper and board -- Determination of CIE whiteness, D65/10-degree (outdoor daylight)
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