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NB/T 10526-2021: Classification for content of aluminum in coal
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| NB/T 10526-2021 | English | 149 |
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Classification for content of aluminum in coal
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NB/T 10526-2021
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Basic data | Standard ID | NB/T 10526-2021 (NB/T10526-2021) | | Description (Translated English) | Classification for content of aluminum in coal | | Sector / Industry | Energy Industry Standard (Recommended) | | Classification of Chinese Standard | D20 | | Word Count Estimation | 3,321 | | Issuing agency(ies) | National Energy Administration | NB/T 10526-2021: Classification for content of aluminum in coal---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.
Classification for content of aluminum in coal
ICS 73.040
D20
Energy Industry Standards of the People's Republic of China
Classification of aluminum content in coal
Released on 2021-01-07
Implementation on 2021-04-01
Issued by the National Energy Administration
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Coal Industry Association.
This standard is under the jurisdiction of the National Coal Standardization Technical Committee (SAC/TC42).
This standard was drafted by. Coal Science and Technology Research Institute Co., Ltd., Anhui Huizhou Geological Safety Research Institute Co., Ltd.
The main drafters of this standard. Bai Xiangfei, Ding Hua, Shao Xu, Wang Yue, Ma Dong, Liu Huizhou, Zhang Yuhong, Cheng Shigui.
Classification of aluminum content in coal
1 Scope
This standard specifies the scheme for grading the aluminum content in coal based on the Al2O3 content in coal ash, and the related nomenclature and code.
This standard applies to coal exploration, production and processing, and the comprehensive utilization of aluminum resources in coal.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 212 Coal Industrial Analysis Method
GB/T 474 Coal sample preparation method
GB/T 475 Commercial coal sample manual sampling method
GB/T 482 Coal Seam Coal Sample Collection Method
GB/T 1574 Method for analysis of coal ash composition
GB/T 19494.1 Mechanized coal sampling Part 1.Sampling method
GB/T 19494.2 Coal mechanized sampling Part 2.Preparation of coal sample
MT/T 1034 Methods of producing coal samples
3 Classification, naming and code designation of aluminum content in coal
The Al2O3 content in coal ash is used to classify the aluminum content in coal. See Table 1 for the classification, naming and code of aluminum content in coal.
Table 1 Classification of aluminum content in coal
Level name code
Al2O3 content range in coal ash
w(Al2O3)/%
Low aluminum coal Al-1 w(Al2O3)≤20.00
China Aluminum Coal Al-2 20.00 \u003cw(Al2O3)≤40.00
High aluminum coal Al-3 40.00 \u003cw(Al2O3)≤50.00
Ultra-high aluminum coal Al-4 w(Al2O3) >50.00
4 Collection, preparation and determination of coal samples
4.1 Coal samples shall be taken in accordance with the regulations of GB/T 475, GB/T 482, GB/T 19494.1, and MT/T 1034.
4.2 Coal sample preparation shall be implemented in accordance with GB/T 474 and GB/T 19494.2.
4.3 The determination of coal samples shall be carried out in accordance with the provisions of GB/T 212 and GB/T 1574.
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