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GB/T 39988-2021 English PDF

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US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 39988-2021: Technical specification for total tailings paste production and disposal
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39988-2021	189	Add to Cart	3 days	Technical specification for total tailings paste production and disposal	Valid

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Basic data

Standard ID: GB/T 39988-2021 (GB/T39988-2021)
Description (Translated English): Technical specification for total tailings paste production and disposal
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D15
Word Count Estimation: 10,127
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 39988-2021: Technical specification for total tailings paste production and disposal

---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.
Technical specification for total tailings paste production and disposal ICS 73.020 D15 National Standards of People's Republic of China Technical specifications for preparation and stockpiling of full tailings paste Released on 2021-05-21 2022-04-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed and managed by the National Gold Standardization Technical Committee (SAC/TC379). Drafting organizations of this standard. Beijing University of Science and Technology, China Enfi Engineering Technology Co., Ltd., Central South University, Beijing Jinchengxin Mining Technology Research Institute Co., Ltd., Feiyi Co., Ltd., Changchun Gold Research Institute Co., Ltd., Shandong Gold Mining Technology Co., Ltd., Guizhou Chuanheng Chemical Co., Ltd., Jiashi County Tonghui Mining Co., Ltd., China Nonferrous Mining Group Co., Ltd., Changchun Gold Design Institute Co., Ltd., China National Gold Group Inner Mongolia Mining Co., Ltd. The main drafters of this standard. Wu Aixiang, Wang Yong, Wang Hongjiang, Wang Yiming, Yin Shenghua, Wang Shaoyong, Zhou Bo, Li Cuiping, Shi Shihu, Zhang Qinli, Ye Pingxian, Zhang Zewu, Yan Peng, Qi Zhaojun, Li Zijun, Yang Xixiang, Shen Jiahua, Tan Wei, Huang Soldier, Kou Yunpeng, Wang Jiacai, Li Jianqiu, Zhou Falu, Zou Jianwei, Zhao Fengze. Technical specifications for preparation and stockpiling of full tailings paste

1 Scope

This standard specifies the technical requirements for the preparation and storage of full tailings paste, as well as its testing methods, discharge technology, and storage yard technical requirements. This standard applies to the preparation and stockpiling of metal and non-metal mine tailings paste (hereinafter referred to as "paste").

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 8978 Integrated Wastewater Discharge Standard GB 18599 General industrial solid waste storage and disposal site pollution control standards GB/T 50080 Standard Test Method for Performance of Ordinary Concrete Mixture GB/T 50123 Geotechnical test method standard GB 50863 Code for Design of Tailings Facilities HJ943 Technical Specification for Cyanide Slag Pollution Control in the Gold Industry

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Total tailings Unsorted full-grain tailings discharged from metal and non-metal mines after ore sorting. 3.2 Totaltailingspaste Using whole tailings as the main material, matched with other aggregates, cementing materials, and mixed with water to form a paste without layering, no precipitation, and slight bleeding The non-Newtonian structured fluid. 3.3 Pastedisposal The process of sending the whole tailings paste to the storage yard for stockpiling. 3.4 Slump Under its own weight, the difference between the final height of the paste naturally slumped and the height of the slumping cylinder. 3.5 Yieldstress The critical shear stress that the paste needs to overcome when it changes from a static state to a flowing state. 3.6 Massconcentration The percentage of solid mass to the sum of solid and liquid mass. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 39988-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 39988-2021_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 39988-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 39988-2021_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.