Biological treatment apparatus of high-concentration organic matter and ammonia nitrogen wastewater, and use method thereof

Abstract

A biological treatment apparatus of high-concentration organic matter and ammonia nitrogen wastewater is characterized in that the apparatus comprises a reaction container, the internal of the reaction container is divided into a high-efficiency anaerobic chamber in the middle, a short-cut nitrification chamber arranged around the high-efficiency anaerobic chamber and an anaerobic ammoxidation chamber arranged around the short-cut nitrification chamber by separator plates, the high-efficiency anaerobic chamber is sequentially provided with a first water distribution zone, a first reaction zone, a three-phase separation zone and a first water outlet zone from bottom to top, and the first reaction zone is provided with anaerobic granular sludge; the short-cut nitrification chamber is sequentially provided with a second water inlet zone, a second reaction zone and a second water outlet zone from top to bottom, the second reaction zone is provided with a biological filler, the second water outlet zone is provided with an aeration device, and the second water inlet zone communicates with the first water outlet zone; and the anaerobic ammoxidation chamber is sequentially provided with a third water inlet zone, a third reaction zone and a third water outlet zone from bottom to top, the third reaction zone is sequentially provided with anaerobic ammoxidation granular sludge and an anaerobic ammoxidation biological filler from bottom to top, and the third water inlet zone communicates with the second water outlet zone.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to a biological treatment device for high-concentration organic matter and ammonia nitrogen wastewater and a method for using the same. Background technique [0002] With the rapid development of the economy, the discharge of wastewater continues to increase. Many industrial wastewater, agricultural wastewater and domestic sewage contain nitrogen-containing pollutants. Nitrogen pollution has seriously threatened the living environment and physical and mental health of human beings. The treatment of nitrogen pollution imminent. [0003] In order to solve the problem of nitrogen pollution in water bodies, a lot of wastewater denitrification research has been carried out at home and abroad, and various wastewater denitrification technologies have been developed, mainly including physical and chemical methods and biological methods. Among them, the commonly used physical and chemical met...

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Problems solved by technology

[0003] In order to solve the problem of nitrogen pollution in water bodies, a lot of wastewater denitrification research has been carried out at home and abroad, and various wastewater denitrification technologies have been developed, mainly including physical and chemical methods and biological methods. Among them, the commonly used physical and chemical methods mainly include stripping, precipitation, and adsorption However, these methods have disadvantages such as high energy consumption and serious secondary pollution, and are difficult to be popularized and applied on a large scale. Compared with physical and chemical methods, biological nitrogen removal is more economical and effective, and has been widely used

[0004] The traditional biological denitrification technology is a biological denitrification technology with nitrification and denitrification as the core, in which nitrification is under aerobic conditions, using ammonia oxidizing bacteria to oxidize ammonia into nitrite, and then oxidized by nitrite The biological reaction process in which bacteria oxidize nitrite to nitrate; denitrification is a biological reaction process in which denitrifying bacteria reduce nitrate or nitrite to nitrogen through multi-step reactions under anoxic conditions. Traditional biological Nitrogen removal technology is suitable for treating low-concentration ammonia-nitrogen wastewater. When dealing with high-concentration ammonia-nitrogen wastewater, the pool capacity will be very large, and it will consume a lot of energy and operating costs.

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