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RO Plants

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RO Plants

Reverse osmosis (RO) is a water purification process that uses a partially permeable membrane to remove ions, unwanted molecules and larger particles from drinking water. Reverse osmosis can remove many types of dissolved and suspended chemical species as well as biological ones (principally bacteria) from water, and is used in both industrial processes and the production of potable water.

Around the world, household drinking water purification systems, including a reverse osmosis step, are commonly used for improving water for drinking and cooking.

Such systems typically include a number of steps

A sediment filter to trap particles, including rust and calcium carbonate.

Optionally, a second sediment filter with smaller pores.

An activated carbon filter to trap organic chemicals and chlorine, which will attack and degrade a thin film composite membrane.

A reverse osmosis filter, which is a thin film composite membrane.

Optionally, a second carbon filter to capture those chemicals not removed by the reverse osmosis membrane.

Optionally an ultraviolet lamp for sterilizing any microbes that may escape filtering by the reverse osmosis membrane.

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