GB/T 39434-2020
Technical requirement for ozone treatment recirculating cooling water for central air conditioning (English Version)

Standard No.

GB/T 39434-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 39434-2020

Scope

This standard specifies the general requirements, requirements and test methods for ozone treatment central air conditioning circulating cooling water systems. This standard applies to central air-conditioning open circulating cooling water systems using ozone treatment technology in civil buildings. This standard does not apply to closed circulating cooling water systems.

GB/T 39434-2020 Referenced Document

• GB 3095 Amendment No. 1 to Ambient Air Quality Standards
• GB 5749 Hygienic Standards for Drinking Water*， 2022-03-15 Update
• GB/T 11893 Water quality--Determination of total phosphorus--Ammonium molybdate spectrophotometric method
• GB/T 14643.1 Examination of bacteria and algae in industrial circulating cooling water.Part 1:Examination of bacteria formed deposits.Standard of plate count
• GB/T 15451 Industrial circulating cooling water Determination of total and composite alkalinity
• GB/T 15893.1 Industrial circulating cooling water.Determination of turbidity.Diffused radiation method
• GB/T 29044-2012 Water quality for heating and air conditioning systems
• GB/T 31962 Water quality standards for sewage discharged into urban sewers
• GB/T 32107 Code for recirculating cooling water treatment by ozone
• GB/T 50050-2017 Code for design of industrial circulating cooling water treatment
• GB/T 5750.11 Standard Examination Methods for Drinking Water Part 11: Disinfectant Index*， 2023-03-17 Update
• GB/T 6908 Analysis of water used in boiler and cooling system.Determination of electrical conductivity
• GB/T 6920 Water quality--Determination of pH value--Glass electrode method
• GBZ 2.1 "Occupational Exposure Limits of Hazardous Factors in the Workplace Part 1: Chemical Hazardous Factors" (GBZ 2.1-2019) No. 1 Amendment*， 2022-11-08 Update
• GBZ/T 300.48 Determination of Toxic Substances in Workplace Air Part 48: Ozone and Hydrogen Peroxide
• HG/T 2160 Dynamic simulation method for cooling water
• HG/T 4207 Examination of heterotrophic bacteria in industrial circulating cooling water.standard of plate count
• HJ 504 Determination of ozone in ambient air Spectrophotometric method of sodium indigo disulfonate "Revision No. 1"
• HJ 535 Water quality.Determination of ammonia nitrogen.Nessler's reagent spectrophotometry
• HJ 776 Water quality – Determination of 32 elements-Inductively coupled plasma optical emission spectrometry
• HJ 828 Water quality-Determination of the chemical oxygen demand-Dichromate method
• HJ 84 Water Quality-Determination of Inorganic Anions（F-、Cl-、NO2-、Br-、NO3-、PO43-、SO32-、SO42-）-Ion Chromatography
• WS 394 Hygienic specification of central air conditioning ventilation system in public buildings

GB/T 39434-2020 history

• 2020 GB/T 39434-2020 Technical requirement for ozone treatment recirculating cooling water for central air conditioning