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[Chemical Knowledge]：The difference between coagulant and flocculant and its application field

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Coagulant and flocculant are two common types of chemical agents, which play an indispensable role in the fields of water treatment, sewage treatment and industrial production. Although they are similar in name, their functions and application directions are different.

coagulants mainly refer to a class of chemicals that can agglomerate tiny particles suspended in a liquid. In the water treatment process, the water often contains a variety of suspended particles, such as soil, organic matter and metal ions. These suspended particles have a great impact on the quality and transparency of water, so measures need to be taken to deal with them. Coagulants work by adding one or more chemicals to make these tiny particles aggregate into larger agglomerates that become easier to settle or filter. In this way, the suspended particles in the water can be effectively removed, thereby improving the quality of the water.

flocculant is different from coagulant, it is mainly used in sewage treatment and some industrial fields. Flocculants are a class of chemical substances that can quickly agglomerate tiny particles to form a larger loose particle structure, thereby facilitating subsequent sedimentation and separation. In sewage treatment, sewage contains a large number of suspended particles and colloidal substances, which are difficult to remove by ordinary sedimentation methods. At this point, the role of flocculant is particularly important. By adding flocculant, the tiny particles in the sewage can quickly condense to form flocs, which are easy to settle or separate, and finally achieve the purpose of purification and recycling. The difference between

coagulant and flocculant can be further clarified from their mechanism of action and application field. Coagulants are mainly used in water treatment processes to purify and purify water sources. They are widely used in water supply plants, water treatment plants and industrial production processes to solve the problem of excessive suspended particles and turbidity in water bodies. Flocculants are mainly used in sewage treatment plants and industrial wastewater treatment. They can quickly agglomerate and remove suspended particles and colloids in sewage, so as to achieve the purpose of purification and recycling.

In summary, although coagulants and flocculants are similar in name, there are obvious differences in their functions and application directions. Coagulants are mainly used in the water treatment process to aggregate tiny particles to form larger agglomerates to facilitate sedimentation and filtration. The flocculant is mainly used in sewage treatment and industrial wastewater treatment, through rapid coagulation and removal of tiny particles and colloids, to achieve the purpose of purification and recovery. Whether it is coagulant or flocculant, it has great application potential and importance in related fields. With the development of science and technology and the continuous innovation of application, it is believed that coagulants and flocculants will play a more important role in the field of water treatment.

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