News
24
2023
-
07
What causes MBR membrane fouling
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The suction negative pressure caused by MBR membrane pollution rises sharply, and the water production of the system is seriously insufficient, which is a very serious problem. So what causes MBR membrane pollution? What is the solution?
Reason: There are serious problems in the on-site biochemical system, and the system sludge discharge is seriously insufficient. High temperature climate leads to the accumulation of dead sludge and fermentation, and many high viscosity bubbles appear. The large flow aeration of the membrane tank breaks the dead mud and adheres to the membrane surface with high viscosity foam. Since the membrane tank is not equipped with a liquid level meter on site, the high liquid level is a false liquid level, and its actual liquid level is lower than the membrane module. Level. When the self-priming pump sucks foam and dead mud more reliably, the negative pressure rises sharply.
Solution:
1. Increase sludge discharge: Adjust the current single sludge dewatering machine to operate 24 hours a day, and contact the manufacturer to repair another sludge dewatering machine.
2, the elimination of bubbles: to the biochemical pool to participate in the defoamer, to eliminate a lot of high viscosity bubble tissue.
3, adjust the progress of the system of biochemical ability, punctual quantitative increase of organic nutrient progress can be biochemical, cultivate new activated sludge.
4. The membrane components are washed in groups.
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