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GB/T 38102-2019: Treatment and disposal method for fluorine acid waste liquid in the production of wet process phosphoric acid and phosphate fertilizer
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 38102-2019 | English | 279 |
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Treatment and disposal method for fluorine acid waste liquid in the production of wet process phosphoric acid and phosphate fertilizer
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GB/T 38102-2019
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Basic data | Standard ID | GB/T 38102-2019 (GB/T38102-2019) | | Description (Translated English) | Treatment and disposal method for fluorine acid waste liquid in the production of wet process phosphoric acid and phosphate fertilizer | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Z05 | | Classification of International Standard | 13.030.20 | | Word Count Estimation | 14,185 | | 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 38102-2019: Treatment and disposal method for fluorine acid waste liquid in the production of wet process phosphoric acid and phosphate fertilizer
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Treatment and disposal method for fluorine acid waste liquid in the production of wet process phosphoric acid and phosphate fertilizer
ICS 13.030.20
Z05
National Standards of People's Republic of China
Fluorosilicic acid waste liquid in the production of wet process phosphoric acid and phosphate fertilizer
Treatment method
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. Yunnan Fluorine Environmental Protection Technology Co., Ltd., Hubei Hongyuan Pharmaceutical Technology Co., Ltd., Shishi City Blue
New Environmental Technology Co., Ltd., Shenzhen Zhongrun Water Industry Technology Development Co., Ltd., Shenzhen Changlong Technology Co., Ltd., Guizhou Chuanheng Chemical
Co., Ltd., Hubei Yihua Fertilizer Co., Ltd., Xiamen Lanshui Environmental Protection Technology Co., Ltd., Wuyi Xinyue Chemical Group Co., Ltd.
Shandong Lubei Chemical Co., Ltd., Wengfu (Group) Co., Ltd., Jiangsu Tate United Environmental Protection Technology Co., Ltd., Kunming University of Science and Technology
Xuefang, Weifang Menjie Chemical Co., Ltd., Jiashan Luye Environmental Protection Material Factory, Jiangsu Shengqin Environmental Engineering Co., Ltd., CNOOC Tianjin Chemical Research and Research
Jiyuan Co., Ltd.
The main drafters of this standard. Chen Jianmin, Jin Qiao, Lei Ying, Li Runsheng, Zhou Xuefang, Li Jianqiu, Guo Rui, Wu Xiuqiong, Wang Bin, Gao Qiang, Wang Quanding,
Qian Jun, He Dedong, Liu Quanjun, Yu Minghua, Zhang Ke, Li Zhilin, Shu Weifeng, Yin Gang, Cai Zhong, Zhang Hongchang, Yan Aihua, Song Tao, and Gong Chuangzhou.
Fluorosilicic acid waste liquid in the production of wet process phosphoric acid and phosphate fertilizer
Treatment method
1 Scope
This standard specifies the source, treatment and disposal methods and environmental protection requirements of fluorosilicic acid waste liquid in the production of wet process phosphoric acid and phosphate fertilizer.
This standard applies to the treatment and disposal of fluorosilicic acid waste liquid in the production of wet process phosphoric acid and phosphate fertilizer.
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/T 4292 aluminum fluoride
GB 5085.7 General rules for the identification of hazardous wastes
GB/T 7746 industrial anhydrous hydrogen fluoride
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
GB/T 23936 Industrial sodium fluorosilicate
GB/T 28653 Industrial ammonium fluoride
GB/T 28655 Industrial ammonium hydrogen fluoride
HG/T 2768 Industrial Magnesium Fluorosilicate
HG/T 4692 Industrial ammonium fluorosilicate
HG/T 4693 Industrial potassium fluorosilicate
YS/T 517 sodium fluoride
3 source
The production of wet-process phosphoric acid is mainly the decomposition of phosphate ore by sulfuric acid. The production of phosphate fertilizer is the reaction of sulfuric acid or phosphoric acid with phosphate ore.
The fluorine-containing exhaust gas (the main component is silicon tetrafluoride) is absorbed by water to form a fluorosilicic acid waste liquid.
The chemical reaction equation is as follows.
3SiF4 (2 n)H2O=2H2SiF6 SiO2·nH2O
4 treatment and disposal methods
4.1 Production of sodium fluorosilicate, potassium fluorosilicate
4.1.1 Method summary
Fluorosilicic acid reacts with sodium sulfate (or sodium chloride) or potassium sulfate (or potassium chloride) to form sodium fluorosilicate (or potassium fluorosilicate) precipitate, solid solution
The product is obtained by processes such as separation, washing, centrifugation, and drying. The chemical reaction equation is as follows.
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