Water treatment flocculants are chemicals used to improve water quality. It can aggregate suspended particles or colloidal particles in the water into larger flocs, thereby separating them from the water through sedimentation, filtration and other methods, thereby improving water quality. In the field of sewage treatment, as a means of strengthening solid-liquid separation, it can be used to strengthen the primary sedimentation of sewage, flotation treatment and secondary sedimentation after activated sludge method. It can also be used for tertiary treatment or advanced treatment of sewage. Based on their chemical composition, flocculants can be divided into two categories:
inorganic flocculants and organic flocculants.
Flocculation or coagulation is a fundamental step in every water treatment process, facilitating sedimentation, filtration and disinfection of water before distribution to residential and industrial applications. Whether it is supplied to residential or industrial purposes, clean water is essential.
Therefore, the effective removal of suspended and colloidal particles from water is critical to ensuring the supply of clean, safe water. In addition, flocculants also play a key role in industrial wastewater treatment. They can help remove harmful substances from wastewater and prevent them from entering the environment. Therefore, flocculants play a vital role whether it is supplying clean drinking water or treating industrial wastewater.
Improve suspended matter removal efficiency
Discuss how water treatment flocculants improve the settling of suspended solids
Flocculants play a very important role in the water treatment process. It can aggregate suspended particles and colloidal substances in the water into larger flocs for settling and filtration, thereby achieving the purpose of purifying water.
The mechanism of the flocculant is to use various hydroxyl iron ions generated by the gradual hydrolysis of iron ions to achieve flocculation of impurity particles in the water. The formation of hydroxyferric ions requires the use of a large number of hydroxyl groups in water, so a large amount of alkali is consumed during use.
In the early reaction stage of adding coagulant, the contact opportunities between the agent and sewage should be increased as much as possible, and the stirring or flow rate should be increased. Relying on the collision between the water flow and the folding plates and the multiple rotations of the water flow between the folding plates to increase the speed, the chance of collision of particles in the water is increased and the flocs are aggregated.
Examples of applications in industrial environments
Raw water treatment
In raw water treatment, flocculants and activated carbon can be used to aggregate and clarify suspended particles in tap water; even without modifying the sedimentation tank, the water purification capacity can be increased by more than 20% by using organic flocculants instead of inorganic flocculants.
sewage treatment
In the sewage treatment process, flocculants can be used for sludge dehydration.
Industrial wastewater treatment
Industrial wastewater contains various organic matter, inorganic matter and suspended solids, etc., and needs to be treated with different types of flocculants. The difference is that some flocculants are only effective on inorganic matter and some are only effective on organic matter.
Mine wastewater treatment
Mine wastewater contains a large amount of suspended solids and colloidal substances, causing serious pollution to the environment. By adding flocculants, suspended solids and colloidal substances in mine wastewater can be aggregated, reducing solid particles in the water, thereby achieving the purpose of purifying water.
Water treatment flocculants play a vital role in the water treatment process. They can effectively remove suspended particles and colloidal particles from water, thus improving water quality. Whether supplying clean drinking water or treating industrial wastewater, flocculants play a vital role. In addition, the use of flocculants can improve the efficiency of sewage treatment, reduce treatment costs, and is also beneficial to environmental protection.
Given the importance of flocculants in water treatment processes, we encourage widespread adoption of this key technology by the industrial sector. Whether it is raw water treatment, sewage treatment or industrial wastewater treatment, flocculants can play an important role. By using flocculants, we can not only improve water quality and ensure the supply of clean, safe drinking water, but also effectively remove harmful substances from wastewater and prevent these substances from entering the environment. Therefore, we should fully realize the importance of using flocculants and use them widely in practice
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