Israel Oceanographic and Limnological Research (IOLR)

Don`t fall foul of biofilm through high TEP levels

Biological fouling caused by the growth of biofilm on Reverse Osmosis (RO) and nanofiltration (NF) membranes can be a
major problem in desalination and water purification plants. Biofilm development lowers filtration efficiency and eventually the membranes must be replaced. Biofilm is usually made up of layers of assorted microbial populations, mostly bacteria,
held together in a sticky matrix of extracellular polymeric substances. These substances are largely muco-polysaccharides,
long-chain polymers of aminosugars.

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