Dunwell Industrial (Holdings) Limited

Dunwell Industrial (Holdings) Limited

Membrane Bioreactor (MBR) Wasterwater Treatment Plant

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In conventional activated sludge processes, separation of treated water from the sludge is mainly achieved by sedimentation in secondary clarification tank. This requires a considerable amount of space and capital cost, and separation efficiency is low. Using membrane to replace the secondary clarification tank, suspended solids can be completely removed from treated water, resulting in a high effluent quality. It not only concentrates slow-growing bacteria, but also retains large molecular organic compounds in reactor, thereby increasing contact time with the sludge. Thus removal rate of COD, BOD, nitrogen and phosphorus will be greatly increased.

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