Characteristics of Printing and Dyeing Textile Wastewater

2022-08-08

Textile printing and dyeing wastewater mainly refers to the wastewater containing natural impurities, fats, and organic substances such as starch generated during the processes of raw material steaming, rinsing, bleaching, and sizing. Printing and dyeing wastewater is generated during multiple processes such as washing, printing, and sizing. It co...

Solution to unqualified purified water in the pharmaceutical industry

2022-08-01

Pharmaceutical purified water is used in the pharmaceutical industry, so all indicators of pharmaceutical purified water should meet the requirements of the new version of the Chinese Pharmacopoeia GMP certification. There is a certain difference between purified water and deionized water. Deionized water removes all ions produced by electrolyte ...

Cleaning, passivation, and disinfection of purified water pipelines

2022-08-01

The treatment (cleaning, passivation, disinfection) of storage tanks and stainless steel pipelines in the purified water system is divided into purified water circulation pre flushing → alkaline circulation cleaning → purified water flushing → passivation → purified water re flushing → discharge → disinfection. During t...

Water production indicators of pharmaceutical purified water equipment

2022-07-25

1. Water production indicators Chemical indicators: meet the requirements of the 2022 edition of the Pharmacopoeia of the People's Republic of China for pharmaceutical purified water Hygiene examination: Microorganisms 100CFU/100ml Internal factor 0.25EU/ml, conductivity ≤ 5.1 μ S/cm (25 ℃) 2. Basic technical characteristics of the e...

Wastewater discharge needs to be upgraded with equal emphasis on both discharge and collection

2022-07-25

In the future, where should urban domestic sewage treatment plants go and how can they better assume the responsibility of pollution control? The reporter interviewed Ma Zhong, Dean of the School of Environment, Renmin University of China. Reporter: Could you please analyze the reasons why some domestic sewage treatment plants currently do not...

The effluent quality of pure water equipment in the electronic industry

2022-07-19

Electronic industry pure water equipment is a device that uses the water quality indicators of raw water and desalinates the raw water to achieve the required water quality for users. It adopts a stable, mature, and stable reverse osmosis desalination system. Depending on the water treatment process used by users in different industries, the...

Pre treatment of industrial pure water

2022-07-19

Many industries require a certain level of pure water in their processing and production processes, including the semiconductor industry, fine chemicals, food industry, dialysis medical water, electroplating water, ultrapure water, pharmaceutical water, and other places that require industrial pure water. When producing industrial pure water, pure ...

Introduction to the water resistivity produced by desalination water treatment equipment

2022-07-13

Desalination water treatment equipment processes high-purity water sources such as groundwater, coastal water, and surface water through sedimentation, filtration, desalination, and degassing. After treatment, the water quality is classified into different industries based on its electrical resistivity. Desalination water treatment equipment can produce...