NB/T 10526-2021 English PDF

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NB/T 10526-2021: Classification for content of aluminum in coal
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NB/T 10526-2021	149	Add to Cart	3 days	Classification for content of aluminum in coal	Valid

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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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