Topic
Membrane separation process configurations in MBRs
MBRs are designed as one of two process configurations: immersed and sidestream, the former using air to scour the membrane
MBR process configurations
MBR process configurations
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Topic
Biotreatment process configurations in membrane bioreactors
Aerobic processes require dissolved oxygen to convert organic carbon to carbon dioxide and ammonia to nitrate (nitrification)
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Membrane bioreactor configurations
For the more recent immersed MBR configuration, introduced in the early 1990s, the membrane is placed in the biotank and scoured with air introduced by an aerator placed beneath or within the membrane module.
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Feature
The MBR at Henriksdal: pilot and full-scale plant operation
Outcomes of a nine-year pilot plant trial along with one year of full-scale operation of the MBR at Henriksdal WwTP are presented. Data include long-term permeability trends, nutrient removal, cleaning optimisation, micropollutant fate and foaming control. Read article
MBR membrane configurations
Topic
MBR membrane module configurations
MBR membranes are generally have one of three geometries/configurations: flat sheet, hollow fibre or multitube/multichannel
Topic
Membrane bioreactors − flat sheet configurations
The flat sheet membrane module configuration is used almost exclusively in immersed MBRs for municipal and industrial duties
Topic
Membrane bioreactors − hollow fibre configurations
Hollow fibre membrane modules are used in the immersed MBR process configuration, with intermittent membrane air scouring
Topic
Membrane bioreactors − multitube configurations
In MBR technology multitube membranes are configured only in the sidestream mode, where both pumped and airlift systems exist