At present, the aluminum surface cleaning agent used by most manufacturers contains various organic acids, inorganic acids and surfactant components. During re-production, after the water is washed once or several times, the main pollutants of the discharged wastewater are acid, fluoride, phosphate, and contain heavy metal chromium. The wastewater has the characteristics of large changes in water quality and many types of pollutants. Industrial wastewater that is more difficult to degrade. The treatment of the sewage is generally based on physical and chemical treatment methods, and may also be accompanied by biological treatment. If it is not treated, it will have an adverse effect on its surroundings.

1. Design water quantity    

According to the company's daily water supply capacity of 20m3 / d, the design and processing capacity of this program is designed according to 20m3 / d.

2. Wastewater quality    

Refer to the same type of wastewater quality design water quality, as follows:             

CODcr: 10～100mg/L             

SS: 50～100mg/L             

Petroleum: 20～40mg/L             

Chromaticity: 50 times             

PH: 3 - 6

3. Sewage treatment target

     After the treatment, the effluent reached the “Water Pollution Pollutant Limit”

     The second period of the first level standard, namely:

              CODcr: ≦60mg/L

              SS: ≦20mg/L

              Petroleum: ≦5mg/L

              Chromaticity: ≦40 times

              PH: 6 - 9

Selection of Fine bubble diffuser for in Aluminum product industry wastewater treatment

Fine Bubble Disc Diffuser Introduction

1.The Fine Bubble Disc Diffuser consists of a rubber diaphragm, several air flow guiding grooves, a chassis support and a spiral gland.

2.The diaphragm is made of high quality rubber raw material and installed on the chassis bracket.

Technical parameters

Working principle of Fine Bubble Diffuser

The chassis support is the support of the diaphragm, which is arched. The upper part of the chassis support is provided with eight air diversion grooves which are distributed around the center to ensure that the air is evenly distributed. The spiral cap joins the lower part of the chassis support to the chassis support. The diaphragm is fixed on the chassis support. The chassis support and the spiral cap are molded by quality ABS engineering plastics.

More inquiries can be contacted from KHN water treatment equipments Co., Ltd.（www.khnwatertreatment.com）

Email: sales@khnwatertreatment.com