Characteristics of
Washing Wastewater

Washing wastewater is the washing wastewater generated from bedding, work clothes, medical linen and functional surgical linen, and contains a small amount of domestic sewage; it mainly includes pre-washing sewage, main washing sewage, washing sewage and drying sewage.

It has the following characteristics: the washing sewage contains surfactants, carboxymethyl vitamins, oil stains, dust particles and various microorganisms. It has a turbid appearance with containing a large number of short fibers, bacteria, viruses and other potentially infectious bacteria as well.

MBR Process Flow Sheet

Process Flow Chart of Wastewater Treatment

A Washing Company Project in Shanghai City

Case Study

Outline of the Facility： 

A washing company in Shanghai of a total area of 1800 ㎡ with a 600 ³/ D treatment capacity, which was equipped with a total of 3 groups of PE150-200-2S membrane modules ,had been put into operation in 2018.

Performance：
The influent COD concentration of the biochemical tank is about 400mg/l, the suspended solids SS is about 250mg/l, the sludge concentration of the membrane tank is stable at about 8000mg/l, and the effluent COD  is less than 50mg/l. Cleaning and maintenance are carried out every 3 months with a stable membrane operation.

Some Case Studies Offered： 
● Kairui Project (Hotel) of 2000m³/d in Shanghai（2018）
● Wuhan Project of 600m3/d in Hubei Province（2021）
● Shicao Project（Hospital）of P.I 600m3/d，P.II 400m3/d in Shanghai（2017）
● Longyan Project (Hotel) of 200m3/d in Fujian Province（2019）
● Jieyi Project of 1000m3/d in Shanghai（2019）
● Xinchuangfu Project of 300m3/d in Xinjiang Autonomous Region （2019）
● Changzhou Project of 350m3/d in Jiangsu Province（2020）
● Baojiete Project of 800m3/d in Beijing（2021）

Laundry wastewater

In wastewater treatment, PEIER MBR is often a technology of choice over conventional treatment.
In most countries, statutory regulation for discharge and reuse of municipal wastewater are enforced.

Shanghai Chenyue Technology Pty Ltd

Capacity: 300m³/day, laundry washing wastewater.

Shanghai Chenyue Technology Pty Ltd

Capacity: 300m³/day, laundry washing wastewater.

Shanghai  Sinopharm Company

Capacity: 600m³/day, medical laundry washing wastewater.

Wuxi Printing& Dyeing Wastewater

Capacity: 900m³/day.

Wuxi Resources Enterprise Project

Waste Disposal Station Project

Service Support

“Make good products, sell good products and let customers make good use of products” is the business purpose of the company.

Pre-sale service

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After sales service process

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Technical video

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Hospital Wastewater Treatment

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Municipal Wastewater Treatment

Pharmaceutical Wastewater Treatment

Washing Wastewater Treatment

Peier is the leading flat sheet membrane supplier in China.

“Make good products, sell good products and let customers make good use of products“ is the business purpose of the company.

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