Siemens Water Technologies’ MemPulse membrane bioreactor (MBR) uses a mechanical device that supplies irregular pulses of air to the MBR module. This decreases operation and maintenance costs, reduces energy consumption, and increases scouring effectiveness. The process can be used with a wide range of industrial wastewater treatment applications. It can also easily be retrofitted to existing plants wishing to replace conventional clarification processes with membrane separation.
The MemPulse device introduces air and mixed liquor into the bottom of the membrane modules through an „airlift effect.“ The air bubbles blend with the mixed liquor and rise up into membrane fibers, providing effective scouring to the membrane surface and refreshing the membrane surface to prevent solids concentration polarization. The two-phase cross-flow reduces scour air energy dramatically.
No moving parts are added to the system, decreasing operation and maintenance costs. Additionally, there are no mixed liquor jet laterals, which reduces installation time. Rather, the MemPulse MBR device provides even distribution of air and mixed liquor to ensure consistent operating conditions for all of the membrane modules.
Hall 9.2, Booth A6
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