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GB/T 23954-2009 English PDF

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GB/T 23954-2009: Technical regulations for cleaning of reverse osmosis membrane element
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Basic data

Standard ID GB/T 23954-2009 (GB/T23954-2009)
Description (Translated English) Technical regulations for cleaning of reverse osmosis membrane element
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G76
Classification of International Standard 71.100.40; 19.020
Word Count Estimation 16,125
Date of Issue 2009-06-02
Date of Implementation 2010-02-01
Quoted Standard GB 8978; GB/T 12145; GB/T 19249; DL/T 588
Regulation (derived from) National Standard Approval Announcement 2009 No.8 (Total No.148)
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
Summary This standard specifies the reverse osmosis membrane element cleaning process system technical requirements, preparations before cleaning, pollutants judgment, system cleaning and the cleaning effect of acceptance. This standard applies to the reverse osmosis membrane elements membrane system cleaning.

GB/T 23954-2009: Technical regulations for cleaning of reverse osmosis membrane element

---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 regulations for cleaning of reverse osmosis membrane element ICS 71.100.40; 19.020 G76 National Standards of People's Republic of China Reverse osmosis membrane element cleaning system technical specifications Posted 2009-06-02 2010-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard is a normative appendix, Appendix B, Appendix C is informative appendix. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee of Chemical Water Treatment Chemicals Branch (SAC/TC63/SC5) centralized. This standard is drafted by. Tongji University, Guangzhou City Special Pressure Equipment Inspection and Research Institute, CNOOC Tianjin Chemical Research Institute, Tianjin Pacific Technology Co., Ltd. The main drafters of this standard. Yu Zhi sound, Yang Lin, Chen Aimin, Li Maodong, Pingbi Ping. Reverse osmosis membrane element cleaning system technical specifications

1 Scope

This standard specifies the reverse osmosis membrane elements cleaning system during the technical requirements, the preparatory work before washing pollutants judgment, clear system Washing and cleaning effect acceptance. This standard applies to the reverse osmosis membrane element membrane system cleaning.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB 8978 Integrated Wastewater Discharge Standard GB/T 12145 for generating unit and steam power equipment vapor quality GB/T 19249 RO water treatment device DL/T 588 Determination of water pollution index

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 With a particular polymer material, sexuality selective semipermeable membrane. It can be applied under pressure, the aqueous solution Water and certain components of the selective permeation to achieve purification or concentration, the purpose of separation. 3.2 The use of reverse osmosis membrane composed of the basic unit. 3.3 Place one or only a few reverse osmosis membrane element according to certain technical requirements of the series, in combination with the single member assembled from the reverse osmosis membrane shell. 3.4 The reverse osmosis membrane module in accordance with a certain combination of pipe arrangement, modular water treatment unit connected together. 3.5 The use of reverse osmosis membranes for qualified general process water treatment, which consists of security filters, reverse osmosis, chemical cleaning device, Dosing device and other process units. 3.6 In reverse osmosis, the order of the reverse osmosis membrane module according to the concentration of water flow in tandem. 3.7 Certain inlet and outlet pressure (concentrated water) the difference between.

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