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GB/T 34242-2017: Test methods for nanofiltration membranes
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 34242-2017 | English | 278 |
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Test methods for nanofiltration membranes
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GB/T 34242-2017
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Basic data | Standard ID | GB/T 34242-2017 (GB/T34242-2017) | | Description (Translated English) | Test methods for nanofiltration membranes | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J77 | | Classification of International Standard | 07.060; 23.100.60 | | Word Count Estimation | 14,183 | | Date of Issue | 2017-09-07 | | Date of Implementation | 2018-04-01 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 34242-2017: Test methods for nanofiltration membranes---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.
Test methods for nanofiltration membranes
ICS 07.060; 23.100.60
J77
National Standards of People's Republic of China
Nanofiltration test method
2017-09-07 Posted
2018-04-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard by the National Standardization Technical Committee membrane separation (SAC/TC382) and focal point.
This standard was drafted unit. Guiyang era Wharton Technology Co., Ltd., Salt Jintan salinization limited liability company, Tianjin Membrane Technology shares
Co., Ltd., Tianjin Polytechnic University, Hainan Lishui Water Technology Industry Co., Ltd., Jiangsu Jiuwu High-tech Co., Ltd., the State Oceanic Administration
Tianjin Institute of seawater desalination and utilization, Shandong Zhaojin Membrane Co., Ltd., Beijing Bishuiyuan Membrane Technology Co., Ltd., Jilin City, the gold
Match Technology Development Co., Ltd., Hangzhou Qiu Membrane Technology Co., Ltd., Xinjiang Tak Blue Co., Ltd., Hangzhou satisfied satisfied satisfied net water purification equipment Co., Ltd.,
Hangzhou Water Treatment Technology Research and Development Center, Shandong Haihua Group Co., Ltd., Tianjin Membrane Engineering Technology Co., Ltd..
The main drafters of this standard. Liang Song Miao, Wang Si Liang, Jiang Can, Wang Wei, Huang Hongwei, Hu Xiaoyu, Chen Qing, Peng Wenbo, Pan Xianghui,
Xia Jianzhong, Jin Shujie, Zhao Hui, Zeng Fanfu, Chen Shuichao, Li Junjun, Meng Fanxiang, Wang Jie, Fan Yun Shuang, Wang Han Yi.
Nanofiltration test method
1 Scope
This standard specifies the nanofiltration membrane thickness uniformity, water flux, ion removal rate, low molecular weight organic removal rate, acid and alkali resistance test
method.
This standard applies to flat nanofiltration test, other forms of nanofiltration can refer to the implementation.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 5750.4 standard test methods for drinking water sensory traits and physical indicators
Determination of chloride ion in industrial circulating cooling water and boiler water GB/T
Membrane separation technology terminology
Test methods for ultrafiltration membranes GB/T 32360-2015
Reverse osmosis membrane test method
3 Terms and definitions
GB/T 20103-2006 defined and the following terms and definitions apply to this document. For ease of use, the following list is repeated
GB/T 20103-2006 and GB/T 32373-2015 related terms and definitions.
3.1
Flat membrane membrane flatmembrane
Shape for the flat sheet or paper film.
NOTE Flat sheet membranes typically have a backing layer (eg, a non-woven fabric) for making sheet-frame, folded, and spiral wound membrane elements.
[GB/T 20103-2006, Definition 2.1.27]
3.2
Nanofiltration membrane nanofiltrationmembrane
Semi-permeable membrane for the removal of polyvalent ions, salts of partial monovalent ions, and organic compounds with a molecular weight greater than.200.
[GB/T 20103-2006, Definition 4.1.2]
3.3
Desalination layer desaltinglayer
Membrane surface of the ions play a role in retaining the thin cortex.
[GB/T 32373-2015, Definition 3.6]
3.4
Water flux waterflux
Under certain operating conditions, the unit membrane area per unit time through the amount of water.
[GB/T 32373-2015, Definition 3.3]
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