Composite sewage treatment agent and preparation method thereof

Abstract

The invention discloses a composite sewage treatment agent which comprises the following components: 10-19 parts of activated clay, 7-15 parts of sodium polyacrylate and 8-18 parts of magnetic chitosan nanoparticles. The invention belongs to the technical field of sewage treatment, and particularly relates to a composite sewage treatment agent.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, and specifically refers to a composite sewage treatment agent and a preparation method thereof. Background technique [0002] With the acceleration of industrialization and the improvement of human living standards, the discharge of industrial wastewater and domestic sewage is increasing, and the problem of water pollution is becoming more and more serious, which makes people pay a heavy price. Due to the complex sources of industrial wastewater and domestic sewage, such as the different components of factory wastewater, it is necessary to research and develop a technology suitable for the treatment of various pollutants. Current sewage treatment methods can be divided into physical methods, chemical methods and biological methods according to their mechanism of action: physical methods mainly use physical effects to separate insoluble substances in sewage, and do not change the chemical...

AI Technical Summary

Problems solved by technology

The flocculation method is to add flocculants to the sewage to achieve the purpose of flocculation and sedimentation for the pollutants in the sewage, but there are many problems in the existing flocculation and sedimentation methods: first, the flocculants are usually used together with the coagulation aids, and the effect of using them alone is not good. Good: Secondly, flocculants and coagulants are less effective in treating high-turbidity or heavily polluted wastewater, and it is difficult to separate the treatment agent from sewage; thirdly, flocculants are mostly powdery, and on the one hand, they are difficult to process during packaging, transportation, and use. The loss is large, which is easy to cause dust pollution. On the other hand, after adding sewage, the powder is easy to aggregate, which reduces the contact probability between the flocculant and the waste water, and reduces the utilization rate of the flocculant. At the same time, there is also sewage treatment. The process is long and accounts for Large land area, high operating cost, easy to cause secondary pollution to water quality