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Technical specification for phosphate tailings treatment and disposal
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Basic data
| Standard ID | GB/T 38104-2019 (GB/T38104-2019) |
| Description (Translated English) | Technical specification for phosphate tailings treatment and disposal |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | Z05 |
| Classification of International Standard | 13.030.30 |
| Word Count Estimation | 10,163 |
| Date of Issue | 2019-10-18 |
| Date of Implementation | 2020-09-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 38104-2019: Technical specification for phosphate tailings treatment 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 phosphate tailings treatment and disposal
ICS 13.030.30
Z05
National Standards of People's Republic of China
Phosphor tailings treatment and disposal technical specifications
Published on.2019-10-18
2020-09-01 implementation
State market supervision and administration
China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Petroleum and Chemical Industry Federation.
This standard is under the jurisdiction of the National Waste Chemical Treatment Standardization Technical Committee (SAC/TC294).
This standard was drafted. Changjiang Teachers College, Shanghai Solid Waste Disposal Co., Ltd., Shishi Baoheng New Material Technology Co., Ltd.
Guizhou Chuanheng Chemical Co., Ltd., Shenzhen Zhongrun Water Industry Technology Development Co., Ltd., Sinochem Chongqing Fuling Chemical Co., Ltd., Kunming
Polytechnic University, Xiamen Lanshui Environmental Protection Technology Co., Ltd., Yufu (Group) Co., Ltd., Zhejiang Shuizhiyin Environmental Protection Technology Co., Ltd.
Weifang Dayao New Material Co., Ltd., Jiangsu Shengqin Environmental Engineering Co., Ltd., CNOOC Tianjin Chemical Research and Design Institute Co., Ltd.
The main drafters of this standard. Li Bing, Li Chuanhua, Feng Jianping, Li Jianqiu, Li Runsheng, Wei Sha, Xia Peipei, Wu Xiuqiong, Li Zaiyang, Yu Minghua,
Wang Qiang, Zhu Xiaojian, Zhao Meijing, Zou Yuquan, Yin Gang.
Phosphor tailings treatment and disposal technical specifications
1 Scope
This standard specifies the terms and definitions of phosphorus tailings treatment and disposal, treatment and disposal methods and environmental protection requirements.
This standard applies to the treatment and disposal of phosphorus tailings produced in the field of phosphorus chemical industry.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB 5085.3 Identification criteria for hazardous wastes
GB 5085.7 General rules for the identification of hazardous wastes
GB 8978 Integrated Wastewater Discharge Standard
GB 16297 Integrated emission standards for atmospheric pollutants
GB 18599 General industrial solid waste storage and disposal site pollution control standards
HG/T 2959 industrial hydrated basic magnesium carbonate
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Phosphorus tailings phosphatetailings
The waste slag produced in the process of selecting phosphate rock with phosphate rock as raw material.
3.2
Aggregate aggregate
It is mainly used as a granular loose material for skeleton or filling, and also as an inexpensive filler for cementitious materials.
Note. This standard aggregate refers to phosphate tailings.
4 treatment and disposal methods
4.1 Preparation of basic magnesium carbonate
4.1.1 Scope of application
Phosphorus tailings with a magnesium content greater than 15%.
4.1.2 Method summary
High-temperature calcination of phosphorus tailings to decompose calcium carbonate and magnesium carbonate into calcium oxide, magnesium oxide, water digestion, carbon dioxide carbonization and carbon removal
The filter residue such as calcium acid and fluoroapatite is purified by filtration and concentrated by cooling to obtain a basic magnesium carbonate product.
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