Diallyldimethylammonium chloride(DADMAC)
DADMAC (diallyl dimethyl ammonium chloride), full name of diallyl dimethyl ammonium chloride, is a cationic quaternary ammonium monomer.
In water treatment, DADMAC and its polymers are widely used as flocculants and flocculation AIDS, with good flocculation and removal of suspended solids, algae, organic matter and other functions.
Its application covers drinking water treatment, wastewater treatment, industrial recycling water treatment and many other aspects.
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Regular name: DADMAC (60/65)
Molecular formula: C8H16NCl
CAS No.: 7398-69-8
DADMAC is a water-soluble monomer of highly efficient cationic quaternary ammonium salt. The molecular structure contains alkenyl double bonds, which can form linear homopolymers and various copolymers through various polymerization reactions.
Product | DADMAC 60 | DADMAC 65 |
Appearance | Colorless to light yellow transparent liquid | Colorless to light yellow transparent liquid |
Solid Content | 60±0.5 | 65±2 |
PH | 3.0-7.0 | 3.0-7.0 |
(1) In drinking water treatment, DADMAC can be used as a flocculant to help remove suspended particles and turbidity in water and improve water quality. DADMAC can effectively remove colloids and suspended substances in water and improve the clarity and transparency of water through electrical neutralization and adsorption bridging.
Wastewater treatment
(2) In the treatment of industrial and domestic wastewater, DADMAC is mainly used in the flocculation and precipitation stage, which can effectively remove suspended matter, heavy metal ions, organic matter and other pollutants in wastewater. It plays an important role in improving the precipitation efficiency, reducing the burden of subsequent biochemical treatment and improving the efficiency of wastewater treatment. Especially in the fields of dye wastewater, papermaking wastewater and oilfield recovery water treatment, DADMAC has shown good treatment effect.
Industrial recycled water treatment
(3) In industrial production processes, such as circulating water systems such as cooling water systems and boiler water, DADMAC can be used to control water quality, inhibit algae growth and deposition, and prevent corrosion and scaling in water systems. By reducing microbial activity in the system, DADMAC helps maintain a clean and efficient operation of the entire system.
Algae control
(4) DADMAC and its polymers are used as bioflocculants to control the growth of algae in some specific situations. The algae can be removed and controlled by flocculating, and the balance of water ecology can be maintained.
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