Method for removing ammonia nitrogen from sewage in subzone
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- HARBIN INST OF TECH
- Publication Date
- 2005-10-26
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
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Abstract
Description
Technical field:
[0001] The invention belongs to the technical field of sewage treatment and relates to a method for removing ammonia nitrogen from community sewage. Background technique:
[0002] In recent years, with the rapid development of urban construction and industry, as well as the continuous expansion of urban population, the size and number of urban communities are also increasing sharply. Although cities across the country are actively building, rebuilding and expanding urban sewage treatment plants, there are still a large number of substandard community sewage that is directly discharged into receiving water bodies. The discharge of this part of sewage not only pollutes the environment and water sources, but also worsens the increasing shortage of water resources and the deterioration of water quality, thus leading to a vicious cycle of the ecological environment. Therefore, how to solve the standard discharge of nitrogen, phosphorus and other pollution indica...