Adoption of polyaluminum chloride (PAC) and polyacrylamide (PAM) to treat mine water is effective

Adoption of Polyaluminum chloride(PAC) and Polyacrylamide(PAM) to treat mine water is effective, especially for the main components of suspended matter in mine water-coal dust and rock debris with very small particle size.

These suspended matters are difficult to remove by natural sedimentation due to their small particle size, and therefore require the treatment method of coagulation and precipitation, supplemented by coagulants to achieve effective removal.

Coagulation is a method of destabilizing colloids and forming a precipitate by adding reagents to the water. In mine water treatment, the selection and use of coagulants is crucial.

• Polyaluminum chloride, as an Inorganic Coagulants , has a good water purification effect, especially at low temperatures can still maintain good coagulation performance, so it is suitable for use in northern areas.
• Polyacrylamide is used as a Coagulant Aid, usually added after the addition of coagulant, which can further enhance the coagulation effect.

When PAC and PAM are used in combination, they can play a synergistic role in promoting the aggregation and sedimentation of suspended particles;

• PAC makes colloidal particles unstable through compression of the electric double layer and adsorption of electric neutralization,
• while PAM connects unstable colloidal particles into larger flocs through adsorption and bridging of its long-chain molecules.

These flocs are easy to settle under gravity, thus realizing solid-liquid separation.

After coagulation and precipitation treatment, both large suspended particles and fine suspended particles in mine water can be effectively removed.

• Subsequently, the residual suspended solids can be further removed through the filtration process, so that the effluent water meets the industrial water standards.
• If the treated mine water needs to be used as drinking water, it is also necessary to add the adsorption process to remove organic pollutants in the water, and the commonly used adsorbent is activated carbon.

In short, the use of Polyaluminum chloride and Polyacrylamide treatment of mine water, through coagulation and precipitation and filtration processes, can significantly remove suspended solids and other impurities in the water, so that the effluent water to meet industrial or drinking water standards.

This treatment method in the field of mine water treatment has a wide range of application prospects and important practical significance.
At the same time, according to the specific water quality and process requirements, you can determine the best type of treatment agent and dosage by beaker mixing test and other methods.

Yuxinhuan Chemical and other enterprises have rich experience and advanced technology in this field, and can provide customers with professional mine water treatment solutions.