Permeate

Permeate refers to the fraction or part of the liquid flow that passes through a membrane, while particles, impurities, or dissolved substances are retained.

In water treatment and other industrial processes, the term typically refers to the purified or treated water that passes through the membrane after the filtration or separation process.

The permeate contains the dissolved substances or compounds that can pass through the membrane, while larger particles, impurities, or unwanted substances are retained. Permeate is often considered the end product of the filtration or separation process and can be used for various applications, depending on the requirements of the specific process.