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•Application Note: Reverse Osmosis Measurements

Reverse osmosis is a technique for removing dissolved solids from filtered raw water. It is used in a variety of industries to condition water for plant use, to desalinate brackish water to make drinking water, or as a first step in the demineralization process.

Reverse osmosis works by pressurizing water and forcing it through a semi-permeable membrane, which is permeable to water, but relatively impermeable to dissolved solids. The effectiveness of a reverse osmosis unit is based on its percent efficiency in removing dissolved solids from raw water, and generally, the better the quality of raw water, the better the quality of the processed water.

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•Application Note: Reverse Osmosis Measurements

SOURCE: Emerson Process Management, Rosemount Analytical