Application fields of polyacrylamide in industrial wastewater

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  • Release time: 2024-02-06
Mainly used for municipal sludge dewatering and activated sludge treatment: generally using medium to high electricity, medium molecular weight cationic acrylamide.

Application fields of polyacrylamide in industrial wastewater

 

Steel plant: circulating water treatment, sludge dewatering

 

Product used: 12 million anions, cations (2 ‰ -4 ‰)

 

Urban sewage treatment plant: mainly used for municipal sludge dewatering, activated sludge treatment: generally using medium to high electricity, medium molecular weight cationic acrylamide.

 

Digestive sludge treatment: High charge cations (1 ‰ -2 ‰) are generally used.

 

Coal washing wastewater: coal slurry settling, layer slag settling, coal washing powder concentration filtration (2 ‰).

 

Leather industry wastewater treatment: pre-treatment of dehairing sulfur-containing wastewater, recovery of oily wastewater, recovery of chromium containing wastewater, and comprehensive leather wastewater treatment, commonly used coagulation sedimentation or coagulation air flotation machines.

 

Products used: 12 million anions, zwitterions, and cations.

 

Beer and monosodium glutamate industrial wastewater treatment: Beer wastewater mainly contains sugars and alcohols, and the concentration of organic matter is relatively high. The biodegradability of beer wastewater is good, and aerobic and anaerobic biological treatment processes are usually used.

 

The production of monosodium glutamate is mainly based on starch hydrolyzed sugars, using the production process of wheezing punishment. During the production process, three different concentrations of waste material water are produced.

 

1. High concentration wastewater comes from the mother liquor of glutamic acid extraction;

 

2. Medium concentration wastewater mainly consists of washing water and acid-base waste liquid from storage tanks in various production processes;

 

3. Low concentration wastewater is mainly the cooling water formed by evaporation and crystallization during the production process after repeated use.

 

Products used: anions, cations.

 

Wastewater treatment in the textile printing and dyeing industry: The wastewater mainly contains pollutants, oils, salts on textile fibers, as well as various slurries, dyes, surfactants, additives, acid-base additives added during the processing. The characteristics of the wastewater are high organic concentration, complex composition, deep and variable color, frequent pH changes, and significant changes in water quantity and quality.

 

Products used: non-ionic, cationic

 

Pharmaceutical industry: used for fermentation in production processes.

 

Product used: Cation (1 ‰ -2 ‰)

 

Coating industry: used for thickeners, thickeners, etc.

 

Product used: Non ionic, anionic (2 ‰)

 

Bridge industry: used for drilling and mixing slurry.

 

Product used: Anion medium high score (3 ‰)

 

Meat processing: used for sewage treatment.

 

Products used: Anions 15 million, cations used for heavy metal and hydroxide treatment.

 

Polyacrylamide is a linear polymer compound with the ability to adsorb small particles, resembling a long rope connecting a small particle

 

Adsorbed together to form flocculent polyacrylamide long carbon chains, it plays a bridging role between particles and has been widely used as a polymer flocculant in the field of environmental protection in recent years.

 

It can be widely used in various industrial wastewater treatment, including petrochemical, oilfield wastewater, meat processing wastewater, leather industry wastewater treatment, beer industry wastewater treatment, monosodium glutamate industry wastewater treatment, textile printing and dyeing industry wastewater treatment, food industry wastewater treatment, electroplating wastewater treatment, printed circuit board wastewater treatment, sugar industry wastewater treatment, circulating cooling water treatment, papermaking wastewater treatment, and urban domestic wastewater treatment, etc.

Technical support: Puyang Yiwang Information Technology Co., Ltd

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