Abb Research Ltd.

Abb Schweiz Ag

Mekapati Srinivas

Senthilmurugan Subbiah

A reverse osmosis separation process is disclosed, such as for desalination and waste water reuse process, wherein an effectiveness of membrane cleaning can be estimated. Exemplary embodiments operate the reverse osmosis membrane cleaning process for a controlled time for cleaning and with a controlled value of chemical concentration in a chemical liquor prepared for cleaning the membrane. A method can include estimating fouling status of the membrane and determining a controlled value of chemical concentration in the chemical liquor, and a controlled time for cleaning based on the fouling status of the membrane.

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Arundelpet, India

Mekapati Srinivas