Since the waste water formed by the waste paper making process contains a lot of pollutants, it is necessary to treat the waste water during the formation and discharge of the waste water, so as to avoid the impact on the water environment and improve the actual environmental protection effect of the waste paper making process. Create ecological benefits. The following is a detailed analysis of the wastewater treatment technology in the waste papermaking process.

1. Coagulation and sedimentation technology.

Due to the relatively high chemical substances in the waste paper and papermaking wastewater, the wastewater treatment by physical and chemical methods can achieve a better effect. The coagulation and sedimentation technology is a wastewater treatment technology formed under the action of a coagulant. Liquid treatment is to agglomerate the suspended matter or colloid formed during the papermaking process of waste paper to make it a "flocculation", so as to form a "flocculation" degradation with a sedimentation degradation device. This is actually similar to the concentration, filtration and purification of useless pollutants formed in the process of papermaking from waste paper, thereby reducing the pollution elements in the waste water and realizing the effective treatment of the waste water.

2. Pressurized air flotation technology.

In the treatment of waste paper and papermaking wastewater, the separation of water and pollutants is one of the best wastewater treatment methods, that is, the purification of wastewater. Air flotation treatment technology is to pass air into the waste water formed by waste paper making, so that some polluting substances such as tiny suspended particles in the waste water adhere to the air bubbles, and the water and pollution are obtained by forming foam from the air bubbles. effective separation of substances. This technology can play a better wastewater purification effect, and then the technology has been upgraded to form a pressurized air flotation technology. It is a wastewater treatment effect achieved by purification of higher purity. The pressurized air flotation technology has shorter technical operation time, high efficiency, simple operation, and consumes less power than the precipitation method. It is also a commonly used wastewater treatment technology in many waste paper and papermaking enterprises.

3. Super-efficient air flotation technology.

In the treatment technology of waste paper and papermaking wastewater, there are many physical technologies. Through the treatment of various physical technologies, a better wastewater treatment effect can be achieved. Super-efficient air flotation technology is a physical treatment technology, which treats wastewater by converting solids into liquids and liquids into another liquid. In the process of this transformation, a large number of fine air bubbles in the water are produced. , so as to better achieve the effect of bubble adsorption and water purification, and realize the effective treatment of wastewater. The super-efficiency air flotation technology is also a further upgrade and innovation of the air flotation technology, which greatly improves the water inlet and outlet methods of the push-flow air flotation tank and reduces many processes in the subsequent process of wastewater treatment.

4. Nanotechnology.

Wastewater degradation is a key technology in wastewater treatment, and the technical effect is also good. Nanotechnology is the main technology for wastewater degradation. In the 1980s, wastewater treatment with nanotechnology has attracted a lot of attention and technology. Research. Wastewater treatment by nanotechnology is mainly carried out with the help of ultra-fine powder, which can protect the water resources environment in the process of wastewater treatment. This ultra-fine powder can form a good oxidation ability under the irradiation of ultraviolet rays, degrade The wastewater thus forms inorganic substances such as carbon dioxide and water, which achieves better wastewater degradation. Under the background of comprehensive utilization of various wastewater treatment technologies, nanotechnology can be used for secondary advanced treatment of wastewater to better ensure the effect of wastewater treatment and avoid environmental pollution caused by improper wastewater treatment.

Conclusion

Waste paper making technology is the reuse of waste paper resources and the protection of plant resources. It can form better ecological and social economic benefits, but at the same time, it will also have an impact on the environment. The resulting environmental pollution is the most obvious. Since many chemical agents are used as raw materials in the process of waste paper recycling, the existence of these pollutants in waste paper and papermaking wastewater will cause water pollution without effective treatment. In order to reduce the pollution of waste water to the environment, it is necessary to use various technologies to degrade and purify waste water. Through discussion, this paper proposes coagulation sedimentation technology, pressurized air flotation technology, super-efficient air flotation technology and nanotechnology These four technical means provide basic research materials for the treatment of waste paper and papermaking wastewater, hoping to reduce the water environment pollution caused by wastewater.