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Control urban water pollution, identify environmentally friendly plant deodorants
Author: Dongguan Wante source: http://fatheroye.com/ date: 2019-10-25 Clicks:
Due to its particularity, urban sewage treatment systems have complex and changeable components, are toxic and harmful, have a significant dynamic load, and have a continuous discharge of pollutants that are close to residential areas. They are often sudden in a short time, which is difficult to capture and collect. It's difficult. At present, commonly used foul gas treatment technologies in sewage treatment plant projects include biological filters, biological drip filter towers, deodorization of plant extracts, and activated carbon adsorption.
The basic principle of the purification of waste odor from natural plant extracts is that some special natural plants are extracted and combined with waste odor gas molecules to decompose, polymerize, replace, replace and add chemical reactions, which promotes the change of waste odor gas molecules. Some molecular structures make it lose odor, and later produce odorless, non-toxic substances.
Water pollution is still severe, and conventional sewage treatment technologies have problems such as large capital investment, high operating costs, complex maintenance management and low sewage treatment efficiency, which affect the progress of water pollution treatment. The current status of sewage sludge treatment in the sewage treatment plant is not optimistic. The sewage treatment plant only focuses on the discharge of water quality, and ignores the treatment and disposal of sludge, which causes serious secondary pollution. The sludge treatment is expensive and the existing sewage treatment In the facility, the sludge treatment process and supporting facilities are extremely imperfect.

With the large-scale construction of large-scale urban sewage treatment plants, the odor as a subsidiary product of the sewage plant and the corresponding odor treatment have also received more and more attention. The odorant substances are mainly inorganic substances such as hydrogen sulfide and ammonia, and low molecular fatty acids, amines, aldehydes, ketones, ethers, halogenated hydrocarbons and other organic substances. These pollutants are volatile and have low odor thresholds. They not only seriously pollute the living environment of surrounding residents, but also have a strong corrosive effect on the metal materials, equipment and pipelines of sewage treatment plants. It is necessary to take deodorizing measures.     
In the process of constructing a sewage treatment plant, in addition to setting up the necessary sewage and sludge treatment and disposal systems, it is also necessary to choose appropriate deodorizing technologies for the components and strength of the odorous substances in the sewage treatment plant, and set up economical and effective Deodorant system.      Comprehensive comparative analysis of technical and economic factors of several malodor treatment technologies commonly used in sewage treatment plants, in order to find high-efficiency, low energy consumption, no secondary pollution deodorization technology, and provide a scientific basis for the selection of deodorization systems for urban sewage treatment plants.     
The plant-type deodorant is not restricted by the climatic environment such as temperature, and is not affected by the temperature and the environment, making it ineffective. Plant-based deodorant can be used for perennial, continuous malodor treatment, and can also calmly deal with temporary, ultra-high concentration malodor events. Plant-based deodorant itself does not have any harm to human body, animals, plants and soil, and odor molecules Decomposition products are completely harmless to humans, animals, and plants.
With the continuous intensification of water pollution and the need for sewage resource recycling and sustainable development, scientific researchers are actively researching and developing advanced and reliable, economically efficient, and convenient management of ecological sewage treatment technology.

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