HG/T 3923-2007 (English Version) PDF

Scope: This standard specifies the water quality indicators for recycled water used as circulating cooling water. This standard applies to supplementary water using recycled water as circulating cooling water.

HG/T 3923-2007 Referenced Document

GB/T 14415 Water for industrial circulating cooling system and boiler.Determination of solids matter*， 2007-08-13 Update
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*， 2009-05-18 Update
GB/T 15451 Industrial circulating cooling water Determination of total and composite alkalinity
GB/T 15452 Industrial circulating cooling water.Determination of calcium and magnesium.EDTA titration method*， 2009-05-18 Update
GB/T 15453 Determination of chloride in water for industrial circulating cooling system and boiler*， 2018-06-07 Update
GB/T 15456 Determination of the chemical oxygen demand in industrial circulating cooling water—Permanganate index method*， 2019-08-30 Update
GB/T 15893.1 Industrial circulating cooling water.Determination of turbidity.Diffused radiation method*， 2014-07-08 Update
GB/T 15893.2 Industrial circulating cooling water--Determination of pH--Electrometric method
GB/T 17133 Water quality--Determination of sulfide--Direct development of the spectrophotometry
GB/T 7488 Water quality--Determination of biochemical oxygen demand after 5 days(BOD5)--Dilution and seeding method
HG/T 3539 Industrial circulating cooling water.Determination of iron content.Spectrometric method using 1,10-phenathroline*， 2012-11-07 Update
HG/T 3540 Industrial circulating cooling water.Determination of total phosphate *， 2011-12-20 Update

2007 HG/T 3923-2007 Reusing wastewater quality standard for industrial circulating cooling water