Membrane bioreactor effluent treatment process for increasing denitrification effect
A membrane bioreactor, sewage treatment technology, applied in the direction of sustainable biological treatment, aerobic and anaerobic process treatment, etc. problems, to achieve the effect of improving denitrification efficiency, saving water pumps, and reducing hydraulic retention time
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0020] Example 1
[0021] The raw water is municipal sewage, and the reactor sludge concentration is about 11000mg / L. The raw water enters the anoxic zone of the reactor, and the mixed liquid in the anoxic zone is uniformly mixed by stirring; the mixed liquid in the anoxic zone is sent to the synchronous nitrification and denitrification zone of the reactor by a pump, and the mixed solution is mixed The hydraulic retention time of the liquid is 4.5h, and the dissolved oxygen in the zone is maintained between 0.7mg / L-0.8mg / L by aeration through the micro-aeration tube; the mixed liquid in the synchronous nitrification and denitrification zone is maintained One part is sent to the membrane zone of the reactor in which the membrane module is arranged through the first overflow port, the dissolved oxygen concentration in the membrane zone is between 2.5mg / L-3.0mg / L, and the other part of the mixed liquid passes through the belt The siphon with a flow meter returns to the facultative z...
Example Embodiment
[0023] Example 2
[0024]The raw water is municipal sewage, and the reactor sludge concentration is about 11000mg / L. The raw water enters the anoxic zone of the reactor, and the mixed liquid in the anoxic zone is uniformly mixed by stirring; the mixed liquid in the anoxic zone is sent to the synchronous nitrification and denitrification zone of the reactor by a pump, and the mixed solution is mixed The hydraulic retention time of the liquid is 4h. Aeration through the micro-aeration tube keeps the dissolved oxygen in the zone between 0.8mg / L-1.0mg / L; part of the mixed liquid in the synchronous nitrification and denitrification zone The first overflow is sent to the membrane zone of the reactor in which the membrane module is arranged. The dissolved oxygen concentration in the membrane zone is between 2.5mg / L-3.0mg / L, and the other part of the mixed liquid passes through The siphon of the flow meter returns to the facultative zone of the reactor, and the volume ratio of the reflux ...
Example Embodiment
[0026] Example 3
[0027] The raw water is municipal sewage, and the reactor sludge concentration is about 11000mg / L. The raw water enters the anoxic zone of the reactor, and the mixed liquid in the anoxic zone is uniformly mixed by stirring; the mixed liquid in the anoxic zone is sent to the synchronous nitrification and denitrification zone of the reactor by a pump, and the mixed solution is mixed The hydraulic retention time of the liquid is 5h. Aeration through the micro-aeration tube keeps the dissolved oxygen in the zone between 0.8mg / L-0.9mg / L; part of the mixed liquid in the synchronous nitrification and denitrification zone The first overflow is sent to the membrane zone of the reactor in which the membrane module is arranged. The dissolved oxygen concentration in the membrane zone is between 2.5mg / L-3.0mg / L, and the other part of the mixed liquid passes through The siphon of the flow meter returns to the facultative zone of the reactor, and the volume ratio of the reflux...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap