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Contact Supplier| MBBR | MBR | SBR | EXT. AERATION | |
|---|---|---|---|---|
| INTRODUCTION | MBBR is a biofilm process. | This technology is a | A variant of Activated Sludge | A reactor in which the |
| This technology is essentially | combination of membrane | Process (ASP) Technology & | microorganism responsible | |
| the same as Activated Sludge | process like :- | is essentially a batch | for treatment are kept in | |
| Process (ASP) except that the | ï‚© Microfiltration, | treatment by combination of | suspension and aerated | |
| media suspended in the | ï‚© Nanofiltration, | primary settling, aeration, | Liquid-solids separation in a | |
| reactor offers additional | ï‚© Ultrafiltration | secondary settling and | sedimentation tank | |
| surfaces for the microbes to | with biological waste water | decanting the treated sewage | ||
| grow which supports the | treatment process i.e. ASP – | in a series of sequenced and | ||
| growth of microbes in a given | ACTIVATED SLUDGE PROCESS. | or simultaneous reactions in | ||
| volume of aeration tank | the same basin on a time | |||
| deferred cycle. | ||||
| PROCESS DETAILS | When compared to the | It overcomes drawbacks of ASP | Thus, among the multiple | A recycle system for |
| conventional aeration | that includes | basins, one basin is used in | returning solids removed | |
| without the media and to that | ï‚« big space for secondary | one part of the cycle of | from the liquid-solids | |
| extent, it does appear | clarifiers, | aeration, settling and | separation unit back to the | |
| preferable. Diffused aeration | ï‚« liquid–solid separation | discharging the treated | reactor (to maintain a | |
| is also required. Sludge | issues, | sewage in a cyclically | sufficient conc. Of biomass in | |
| recycle is provided to | ï‚« production of excess | repeated operation is done in | the aeration tank) | |
| increase MLSS and maintain | sludge. | another tank. Membrane of | ||
| BOD levels as per CPCB | Ability to hold & sustain MLSS | high efficiency fine bubble | ||
| norms | 3–4 times, helps in minimizing | non-clog for diffused aeration | ||
| space. | is preferred. | |||
| Diffused aeration is required. | ||||
| Different membrane with | ||||
| various shapes as flat sheet, | ||||
| cross flow, dead end flow etc, | ||||
| which makes it easy for | ||||
| validated std design criteria. |