GB/T 23251-2021
Guideline for coal used in coal chemical technology (English Version)

Standard No.

GB/T 23251-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 23251-2021

Replace

GB/T 23251-2009

Scope

This document stipulates the quality evaluation indicators and control requirements for raw coal used in coal chemical industry, and proposes guidance for the determination of rare coal resources with special properties or uses, coal resources with high harmful element content, and coal chemical project design coal types. in principle. This document is applicable to coal chemical projects such as new construction, reconstruction and expansion of coal medium and low temperature pyrolysis, coal coking, coal gasification and direct coal liquefaction.

GB/T 23251-2021 Referenced Document

• GB/T 1341 Gray-King assay of coal
• GB/T 15458 Determination of abrasion index of coal
• GB/T 15459 Determination of shatter indices of coal
• GB/T 1572 Determination of clinkering property of coal
• GB/T 1573 Determination of thermal stability of coal
• GB/T 1574 Test method for analysis of coal ash
• GB/T 16659 Determination of mercury in coal
• GB/T 19227 Determination of nitrogen in coal
• GB/T 211 Determination of total moisture in coal
• GB/T 212 Proximate analysis of coal
• GB/T 213 Determination of calorific value of coal
• GB/T 214 Determination of total sulfur in coal
• GB/T 215 Determination of forms of sulfur in coal
• GB/T 216 Determination of phosphorus in coal
• GB/T 217 Determination of true relative density of coal
• GB/T 219 Determination of fusibility of coal ash
• GB/T 220 Determination of carboxyreactivity of coal
• GB/T 25213 Determination of plastic properties of coal.Constant-torque Gieseler plastometer method
• GB/T 25214 Determination of total sulfur in coal by IR spectrometry
• GB/T 25215 Guide for testing methods of coal water mixture
• GB/T 2565 Determination of grindability index of coal.Hardgrove method
• GB/T 3058 Determination of arsenic in coal
• GB/T 30732 Proximate analysis of coal.Instrumental method
• GB/T 30733 Determination of total carbon, hydrogen and nitrogen content in coal.Instrumental method
• GB/T 31356-2014 Quality evaluation and control guide for commercial coal
• GB/T 31424 Determination of coal ash viscosity
• GB/T 31428-2021 Vocabulary relating to coal chemical technology
• GB/T 3558 Determination of chlorine in coal
• GB/T 4000 Determination of coke reactivity index (CRI) and coke strength after reaction (CSR)
• GB/T 41039 The general rules of determing designed coal and checked coal in modern coal chemical technology
• GB/T 4633 Determination of fluorine in coal
• GB/T 476 Determination of carbon and hydrogen in coal
• GB/T 477 Method for size analysis of coal
• GB/T 479 Determination of plastometric indices of bituminous coal
• GB/T 5447 Determination of caking index for bituminous coal
• GB/T 5448 Determination of the crucible swelling number of bituminous coal.Electrical heating method
• GB/T 5450 Audibert-Arnu dilatometer test of bituminous coal
• GB/T 5751 Chinese classification of coals
• GB/T 6948 Method of determining microscopically the reflectance of vitrinite in coal
• MT/T 1 Determination of refuse-content and undersize fraction of commercial coal
• MT/T 707 Method for identifying tendency of coal to spontaneous combustion by oxygen adsorption with chromatograph
• MT/T 739 Determination of bulk density of Coal in a small container
• MT/T 740 Determination of bulk density of Coal in a larger container
• SN/T 3511 Determination of mercury in minerals.General rules of direct mercury determining with solid injection method

GB/T 23251-2021 history

• 2021 GB/T 23251-2021 Guideline for coal used in coal chemical technology
• 2009 GB/T 23251-2009 Guideline for coal used in coal chemical conversion