Reverse Osmosis Water Purifier

Reverse Osmosis Water Purifier
Tata Projects
Dipankar Chatterjee
Mithona Towers -1, 1-7-80 to 87, Prenderghast Road, Secunderabad- 500003
040-66238801
tpl@tataprojects.com
Solution Overview & Benefits

Reverse Osmosis (RO), also known as hyper-filtration, is a purification process used in desalination plants to eliminate concentrated solutions like dissolved minerals and salts in water. RO can be customized to address arsenic, nitrate, sulphate and other chemical contamination.

RO technology uses a membrane that is semi-permeable, which allows only pure water to pass through it. During the process it rejects large contaminants passing through the membrane. Quality RO systems use a process known as ‘crossflow’ which allows the membrane to continually clean itself. RO requires a driving force to push the fluid through the membrane and as some of the fluid passes through, the rest continues downstream, thereby sweeping the rejected contaminants away from the membrane.

The unit that is skid-mounted and designed for indoor installation comprises a raw water pump that supplies water to the micron cartridge water filtration system and to the high pressure pump. Micron cartridge filters control the silt density before water enters into the membrane whereas high pressure pump exists to boost water pressure as required.

Advantages:-

  • RO technology has a proven record to reduce/treat contamination related to fluoride/salinity and other chemicals.
  • It eliminates water from suspended solids, major inorganic pollutants like acids, salts, toxic metals and most of the organic micro pollutants including aromatic hydrocarbons, organochlorine pesticides and toxins.
  • The model has a throughput of 200 liters to 2,000 liters per hour and ensures quality safe drinking water for a village size of 2,000 to 10,000 population (the capacity can further go up).
  • Incurs low maintenance costs.
  • Easy to operate and maintain.
History & Development

Tata Projects partnered with the Naandi Foundation, a non profit organisation in India, to install RO technology in several villages in India providing clean drinking water to 400,000 villagers.
More information about this project can be found on the Naandi Foundation website:
http://www.naandi.org/provide_drinking_water/makewatermore_2b.aspx

Availability
  • Publicly available: yes
  • Countries where available: India
  • Price range (USD): Contact supplier for quote
  • Countries where spare parts can be purchased: India

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