AI Article Synopsis
- A new fiberglass tubular self-forming dynamic membrane bioreactor (DMBR) was tested in a lab for treating landfill leachate, achieving stable performance over 80 days.
- The modified membrane module improved efficiency, allowing for a higher membrane flux of 6 L/(m2 x h) at a lower trans-membrane pressure of 1,450 Pa.
- The system effectively reduced turbidity to below 1.0 NTU and achieved over 71% COD, 96% BOD5, and 98% NH4(+)-N removal, with the dynamic membrane contributing 19.34% of COD removal on its own.
Article Abstract
A new type of fiberglass tubular self-forming dynamic membrane bioreactor (DMBR) and its application for treatment of landfill leachate on laboratory scale were studied. The results showed that the system worked with a average membrane flux 3.75 L/m2 x h) maintained by gravity filtration at a trans-membrane pressure (TMP) of 2 900 Pa for near 80 days. After the modification of membrane module, a higher membrane flux was achieved at a TMP of 1 450 Pa and the membrane flux could be maintained steadily at 6 L/(m2 x h) for a long time. At the same time, the formation and filtration performance of dynamic membrane (DM) was tested. The effluent turbidity was blow 1.0 NTU and the average removal of COD, BOD5 and NH4(+) -N in this system exceeded 71%, 96% and 98% respectively. Moreover, COD removal from the supernatant on an average of 19.34% was made only by the dynamic membrane.
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