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GB/T 39221-2020: Determination for performance of scale inhibitors for reverse osmosis seawater desalination - Recurrent condensation cycle test method
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 39221-2020 | English | 259 |
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Determination for performance of scale inhibitors for reverse osmosis seawater desalination - Recurrent condensation cycle test method
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GB/T 39221-2020
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PDF similar to GB/T 39221-2020
Standard similar to GB/T 39221-2020 GB/T 10266 GB/T 39222 GB/T 39219 Basic data | Standard ID | GB/T 39221-2020 (GB/T39221-2020) | | Description (Translated English) | Determination for performance of scale inhibitors for reverse osmosis seawater desalination - Recurrent condensation cycle test method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | F41 | | Classification of International Standard | 07.060 | | Word Count Estimation | 14,183 | | Date of Issue | 2020-10-11 | | Date of Implementation | 2021-05-01 | | Regulation (derived from) | National Standard Announcement No. 21 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 39221-2020: Determination for performance of scale inhibitors for reverse osmosis seawater desalination - Recurrent condensation cycle test method
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Determination for performance of scale inhibitors for reverse osmosis seawater desalination - Recurrent condensation cycle test method
ICS 07.060
F41
National Standards of People's Republic of China
Test of scale inhibition performance of reverse osmosis desalination inhibitor
Cycle concentration cycle
2020-10-11 released
2021-05-01 implementation
State Administration for Market Regulation
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 Water Conservation Standardization Technical Committee (SAC/TC442).
Drafting organizations of this standard. Tianjin Sea Water Desalination and Comprehensive Utilization Research Institute of Ministry of Natural Resources, Tianjin Zhonghai Water Treatment Technology Co., Ltd.,
Qingdao Baifa Seawater Desalination Co., Ltd., China National Institute of Standardization, Tsinghua University, Zhejiang Changxing Qiushi Membrane Technology Co., Ltd.
The main drafters of this standard. Gao Lili, Xue Wei, Cheng Guochen, Jiao Chunlian, Chen Chong, Yang Xingtao, Li Ke, Wang Weizhen, Yin Jianhua, Jin Yapeng,
Wu Shuibo, Bai Yan, Hu Hongying, Zhang Yubo, Jiang Shanhu, Wu Yinhu, Zhang Xingxing.
Test of scale inhibition performance of reverse osmosis desalination inhibitor
Cycle concentration cycle
1 Scope
This standard specifies the principle, test water and reagents, test water and reagents for measuring the scale inhibition performance of reverse osmosis desalination scale inhibitors by the periodic concentration cycle method.
Test equipment, test preparation, test procedures, test data processing and drawing result curves.
This standard applies to the determination of the scale inhibition performance of reverse osmosis seawater desalination scale inhibitors by the periodic concentration cycle method.
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 document.
For undated references, the latest version (including all amendments) applies to this document.
GB/T 6682 Analytical laboratory water specifications and test methods
GB/T 19249 reverse osmosis water treatment equipment
GB/T 23954 Reverse osmosis system membrane element cleaning technical specification
GB/T 33584.1 Seawater cooling water quality requirements and analytical testing methods Part 1.Determination of calcium and magnesium ions
GB/T 33584.3 Seawater cooling water quality requirements and analytical testing methods Part 3.Determination of chloride
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Anti-scaling performance
The agent disperses the poorly soluble inorganic salt in the water and prevents or interferes with the ability of the poorly soluble inorganic salt to precipitate and scale on the metal surface.
3.2
Loop operation
The production water and concentrated water of the membrane module are all returned to the operation mode of the inlet water regulating water tank.
3.3
Concentrated operation
The water produced by the membrane module does not return, and the concentrated water returns to the operation mode of the inlet water regulating tank.
3.4
Cycle
The production water and concentrated water are all returned to the inlet water adjustment tank, and the process runs stably for a certain period of time.
3.5
Cycle enrichment cycle
Cyclic operation-concentration operation is a test cycle. If there is no fouling after operation, enter the next cycle until fouling, and the cycle mode of operation ends.
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