How many types of processes can be used for wastewater treatment? For example, the anaerobic UASB process – what other processes are there?
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This post was last edited by hxm2087 on 2012-5-7 06:55. How many types of processes are there for wastewater treatment? For example, the anaerobic UASB process – what other processes are there? :)
The methods I’ve heard of include the SBR process, oxidation ditches, aerobic fluidized beds, and anaerobic fluidized beds.
It seems that many companies use the A2O process, namely the anaerobic-aerobic treatment process, for treating wastewater
It is recommended to read books such as \"Drainage Engineering\" and \"Water Pollution Control\"; they provide comprehensive information, with different treatment processes for various types of wastewater
There are various processes for wastewater treatment. The common classification method is based on principle: physical treatment processes (air flotation, filtration, sedimentation, etc.), chemical treatment processes (addition of chemicals, electrolysis, ultrasound, ultraviolet light, etc.), and biological treatment processes (various anaerobic, anoxic, and aerobic processes)
I have a question for everyone: if the pH of the anaerobic feed water is acidic, why is the pH of the effluent neutral?
This post was last edited by cdpulin on 2012-5-15 at 11:08. The anaerobic process consists of two steps (the so-called two-step theory): acid-producing bacteria generate VFA, while methanogenic bacteria consume VFA; these two processes are essentially in balance. When the acidity of the incoming water is high, methanogenic bacteria consume more acid than is produced by the acid-producing bacteria, thereby controlling the pH level during the anaerobic process. The anaerobic process has strict requirements regarding pH, which needs to be maintained between 6.5 and 8.0; some more sophisticated anaerobic systems require a pH range of 6.8 to 7.2. Commonly used methods at present: 4 ^ (S x(s9 z& W& Q% k0 F). Aerobic processes: SBR, CASS, oxidation ditches of various types, Carrousel oxidation ditch, A/O, AA/O, A/O/A/O, contact oxidation, biological filters, etc. Anaerobic processes: UASB, IC, hydrolysis-acidification, anaerobic fluidized beds, etc