Wastewater treatment is accomplished by the MBR tank's employment of membranes, to filter the sewage from the biochemical reaction tank that contains sludge. One effect of the membrane is to trap microorganisms in the reaction tank, which greatly increases the concentration of activated sludge there, and causes the biochemical reaction of sewage degradation to proceed more quickly and thoroughly.
On the other hand, the membrane's high filtration precision means that, the effluent is guaranteed to be clear and transparent and high-quality product water can be obtained.
What are Factors to consider for efficient working of MBR Process?
(1) Temperature
The inoculation sludge can be used appropriately, the temperature of the sewage will change with the surrounding temperature, and the reduced operational load can be managed. The biochemical system's capacity to nitrify will decline at temperatures below 12 °C, and the MBR Membrane System's effluent ammonia nitrogen index may exceed the required level.
(2) Aeration
The flocculation performance of the produced sludge is not particularly good in the early stages of sludge cultivation, because huge amounts of sludge have not yet developed and it is still in a discrete state.
The quantity of aeration cannot be too high due to the low sludge concentration, and ease with which endogenous respiration can occur in microorganisms. At roughly half of the normal design value, it is controllable. If not, flocculent sludge is difficult to produce.
(3) Inspection and surveillance
Not only the SV and MLSS of the aeration tank mixture should be observed during the sludge cultivation process, but also the biological phase of the sludge should be observed at any time, to understand the growth of the bacterial micelles and indicator microorganisms, so that the cultivation process can be adjusted as necessary depending on the situation.
(4) Volumetric control of return sludge
The return sludge system is controlled using a consistent return ratio. The return sludge volume is changed in accordance with changes in the volume of sewage coming in.
Using this method, the MLSS, F/M, and the sludge level in the aeration tank may be maintained essentially constant, without altering with the change in the inflow sewage volume Q, to ensure a generally consistent treatment effect when the remaining sludge discharge volume is essentially unchanged.
5) Limiting the outflow of too much muck
The MBR procedure improves the quality of the entering water and reduces the amount of dirt produced. The system will gradually produce more sludge as it continues to run steadily, thus the sludge concentration must be changed in accordance with the needs of the process.
The concentration of influent pollutants and the volume of influent water, which should be carried out after process analysis, are strongly related to the amount of sludge discharged daily, and the time of sludge discharge.
Conclusion
“Membrane Bioreactors” are being utilized more and more frequently in wastewater treatment facilities, but they have gradually started to cause operational issues.
As a wastewater treatment facility that uses the MBR process, it is essential to combine the actual operating circumstances of activated sludge, in order to fully comprehend and master the membrane bioreactor. It is also necessary to adopt reasonable process, operation, and management measures in order to guarantee the MBR process's reliable operation.
Choose the best providers of wastewater treatment plants in India!
At Netsol Water, we are committed to providing high-performing water and wastewater treatment systems, to assist commercial and industrial enterprises with their treatment requirements. We have earned a reputation for providing top-notch service and water treatment solutions, which will help our clients lower operating expenses and increase the life of their equipment.
Every purchase of these systems include installation, manufacturer's warranty, and a 24-hour customer service after the sale. You can reach us via phone at +91 9650608473 or drop a mail at enquiry@netsolwater.com for additional information.
