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GB/T 42249-2022 English PDF

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US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 42249-2022: Codes for comprehensive utilization of mineral resources
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42249-2022	279	Add to Cart	3 days	Codes for comprehensive utilization of mineral resources	Valid

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Basic data

Standard ID: GB/T 42249-2022 (GB/T42249-2022)
Description (Translated English): Codes for comprehensive utilization of mineral resources
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D04
Classification of International Standard: 73.020; 73.060.01
Word Count Estimation: 14,183
Date of Issue: 2022-12-30
Date of Implementation: 2023-04-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42249-2022: Codes for comprehensive utilization of mineral resources

---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.
ICS 73.020;73.060.01 CCSD04 National Standards of People's Republic of China Technical indicators and calculation methods for comprehensive utilization of mineral resources Posted on 2022-12-30 2023-04-01 Implementation State Administration for Market Regulation Released by the National Standardization Management Committee

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Calculation method 3 4.1 Mining recovery rate 3 4.2 Mineral dressing recovery rate 4 4.3 Comprehensive recovery rate of beneficiation5 4.4 Comprehensive recovery rate of beneficiation of associated minerals6 4.5 Comprehensive utilization rate of associated minerals6 4.6 Comprehensive utilization rate of mineral resources7 Reference 9

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents" drafting. Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by the Ministry of Natural Resources of the People's Republic of China. This document is under the jurisdiction of the National Natural Resources and Land Spatial Planning Standardization Technical Committee (SAC/TC93). This document was drafted by. Zhengzhou Institute of Comprehensive Utilization of Mineral Resources, Chinese Academy of Geological Sciences, Department of Mineral Resources Protection and Supervision, Ministry of Natural Resources, China Geological Survey, China Association of Metallurgical and Mining Enterprises. The main drafters of this document. Feng Ansheng, Lu Zhenfu, Xu Dachun, Yang Huipeng, Huang Xuexiong, Yin Zhongnian, Cao Jincheng, Zhao Junwei, Wu Qiujie, Xue Yingxi, Chen Conglin, Jiang Shengcai, Zhou Wenya, Ding Guofeng, Wang Qiuxia, Bian Xiaodong. Technical indicators and calculation methods for comprehensive utilization of mineral resources

1 Scope

This document specifies the mining recovery rate, beneficiation recovery rate, ore beneficiation comprehensive recovery rate, total Definitions and calculations of technical indicators such as comprehensive recovery rate of associated minerals, comprehensive utilization rate of associated minerals, and comprehensive utilization rate of mineral resources calculation method. This document is applicable to the evaluation, experimental research, industrial design, production practice and management of the development and utilization of solid non-energy mineral resources Calculation of comprehensive utilization indicators of mineral resources.

2 Normative references

This document has no normative references.

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 main useful component mainusefulcomponent The main components (minerals, elements, compound, the same below). Note. It is the main object of mineral exploration and mining, and also the main object of mineral resource evaluation. 3.2 In the same mining area (ore deposit), there are two or more useful components that have reached industrial grades, or have reached industrial grades although they have not reached industrial grades. Above the cut-off grade, a group of minerals that can formulate comprehensive industrial indicators after demonstration are called symbiotic minerals, and other minerals that are symbiotic with main useful components Other useful components are symbiotic useful components. Note. It includes not only useful components that can be comprehensively recovered during mining or processing, but also components that cannot be recovered separately during processing and utilization, but enter into products And components that are beneficial to product quality. 3.3 Occurrence in the main useful component ore body, which has not reached the industrial grade but has reached the comprehensive evaluation reference index, or has not reached the comprehensive evaluation Reference indicators, but in the process of dressing and smelting, products can be produced separately or can be enriched in a certain product and reach the valuation standard. It is mainly useful through mining Components Other useful components that can be comprehensively recycled. Note. The determination of symbiotic and associated useful components refers to GB/T 25283. 3.4 Equivalent grade equivalentgrade The grade of co-associated components is converted into the grade relative to the main useful components according to the price ratio method. Note. Refer to GB/T 25283-2010, Appendix Q for the calculation method. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 42249-2022_English be delivered?

Answer: Upon your order, we will start to translate GB/T 42249-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 42249-2022_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 42249-2022_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.