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HY/T 049-1999Test methods for hollow fiber reverse osmosis membranes (English PDF)

中空纤维反渗透膜测试方法

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Issued by

Ministry of Natural Resources of the People's Republic of China

Level / Type

National · Recommended

Issue date

April 24, 1999

Implementation date

July 1, 1999

Scope

HY/T 049-1999 is the English-translated version of 中空纤维反渗透膜测试方法.

HY/T 049-1999 is the Chinese standard "Test methods for hollow fiber reverse osmosis membranes". This standard specifies the test conditions and test methods for water desalination rate and flux hollow fiber reverse osmosis membranes.

This standard applies to water for tap water, brackish water and seawater reverse osmosis hollow fiber membrane test can also be used for hollow fiber reverse osmosis membrane separation test without damage to other aqueous solutions. Issued on 4/24/1999, in force from 7/1/1999. It cites 2 other standards.

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Document preview — HY/T 049-1999

National Standard of the People's Republic of China

Classification: A45

[Preview only]
1 Scope
2 Normative references
3 Terms and definitions
3.2 Symbol
3.3 Code
4 Beach monitoring
4.1 Observation delay data of ocean stations (points)
4.2 Delay data of buoy observation
4.3 Observation Delay Data of Volunteer Ship
4.4 Observation delay data of high frequency ground wave radar
4.5 Observation Delay Data of Standard Ocean Section
5 Classification indicators and criteria
5.2 Observation of real-time data from marine stations (points)
5.3 Standardized data of real-time data observed by marine stations (points)
6 Water quality status judgment
6.1 Delay data of buoy observation (Excel file)
6.2 Real-time raw data of buoy observation (XML file)
6.3 Standardized data of buoy observation data
7 Health Risk Discrimination
7.1 Compilation of delayed data of volunteer ship observation
7.2 Observation of real-time raw data by volunteer ships
7.3 Standardized data of observation data of volunteer ships
7.4 Time range test
7.5 Location inspection
7.6 Landing inspection
7.7 Congruence test
7.8 Illegal code inspection
7.9 Range check
8 Judgement of swimming suitability
8.1 Standardized data of HF ground wave radar observation data
8.2 X-band radar observation data standardized data
8.3 Quality Control of Observation Data of Volunteer Ships
8.4 Quality Control of Observation Delay Data of HF Ground Wave Radar
8.5 Quality control of standard ocean cross-section observation data
9 Judging the annual water quality level of the beach
9.1 File Naming Rules
9.2 File record format and description

1 Foreword

HY/T 049-1999 was issued by Ministry of Natural Resources of the People's Republic of China on 24 April 1999 and has been in force since 1 July 1999.

The HY/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.

The document runs to 8 pages in English translation.

2 Scope Preview

This standard specifies the test conditions and test methods for water desalination rate and flux hollow fiber reverse osmosis membranes. This standard applies to water for tap water, brackish water and seawater reverse osmosis hollow fiber membrane test can also be used for hollow fiber reverse osmosis membrane separation test without damage to other aqueous solutions.

HY/T 049-1999 is filed under Chinese Standard Classification A45, in the field of general, standardization and metrology.

This catalogue holds 43 other HY/T standards without an ICS number.

In this catalogue, HY/T standards carry edition years from 1992 to 2025.

3 Normative references

The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document.

GB/T 6682-1992 — Water for analytical laboratory use--Specification and test methods

GB/T 11896-1989,

4 Where this standard sits

It cites 2 standards, among them GB/T 6682-1992, listed in full above.

One other standard in this catalogue cites it: HY/T 054.2-2001.

5 About this standard

Issued by: Ministry of Natural Resources of the People's Republic of China

English translation: about 8 pages (approximate)

6 Related standards

Standards on related subjects:

GB/T 33673-2017 — Grade of horizontal visibility

DZ/T 0175-2014 — Specifications for Geological Mapping of Coal (1:50000 1:25000 1:10000 1:5000)

HY/T 094-2022 — Coastal administrative areas classification and codes

HY/T 074-2018 — Specification for design of reverse osmosis seawater desalination project

HY/T 047-2016 — The specification for engineering sea ice techniques

7 Classification and status

Chinese Standard Classification (CCS): A 45

Prefix HY/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 8 pages — is available in the English PDF.

Referenced standards

Normative references

Cited by

HY/T 054.2-2001Hollow fiber reverse osmosis technology -- Testing methods for hollow fiber RO module

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