Reverse osmosis system is one of water treatment process. There are 4 steps in reverse osmosis system; pretreatment, giving pressure, membrane separation and stabilization. Reverse osmosis system has some advantages and disadvantages as follow:
- Advantages of reverse osmosis system
- Reverse osmosis process is relatively easy.
- Low installation costs.
- Without the non-metallic materials in construction.
- Energy used to treat brackish water between 1-3 kWh per 1 m3 of product water.
- Can generate big production capacity ratio, between 25,000 to 60,000 liters per day per m2.
- Reverse osmosis technologies can be used to remove contaminants either organic or inorganic.
- Reverse osmosis process does not has any impact to environment.
- The following below are disadvantages of reverse osmosis system
- The membrane is sensitive or not efficient when used excessively.
- Feed water must be treated first to remove particulates.
- Operation of reverse osmosis requires materials and tools with high standard of quality.
- There is a possibility of bacterial growth on the membrane itself
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