COMMERCIAL REVERSE OSMOSIS PURIFICATION SYSTEMS
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Commercial reverse osmosis systems use a process that is used to remove a wide range of salts to give water of a high purity. Osmosis is a natural process involving fluid flow across a semi-permeable membrane barrier. It is the process by which nutrients feed the cells in our bodies and how water gets to leaves at the top of trees.
If you separate a solution of salts from pure water using a basic thin semi-permeable membrane like a sausage skin, the pure water passes through the membrane and tries to dilute the salt solution. If the salt solution is connected to a vertical pipe then the progressively diluted solution will fill the pipe until the osmotic
pressure drawing the pure water through the membrane is the same head pressure as the diluted solution. This process can be reversed, hence ‘reverse osmosis’ – by applying a higher pressure to the salt solution. Pure water will then pass the other way through the membrane in a process that is easy to visualise as ‘filtration’ where the filter will only let
through the small water molecules and retain almost all of the other molecules.
This means that water containing a high level of natural salts can be purified without the need for chemical regenerants such as the acid and alkali used in demin plants.
The ROPro 8-203K Commercial reverse osmosis system gives an output of10m3/hr with CIP.
The rejection rates of salts from water is generally in the region of 95-99.5% dependent upon the membrane type used and the raw water feed quality. Commercial reverse osmosis systems can be designed to utilise the wide range of membranes available, which will give different permeate water qualities. Standard designed RO’s are manufactured utilising the low energy Membranes which will give a permeate water quality of approx. 10 microsiemens from an input water of between 500-700 microsiemens.
This is one type of combined commercial reverse osmosis system that incorporates a pre-treatment duplex water softener and GAC filtration system.
This is a larger pre-treatment Duplex water softening and GAC system. This will provide the feed water to the Commercial reverse osmosis system. This will help to stop the membranes from being fouled with organics and lime scale. All Commercial reverse osmosis systems require some form of pre-treament.
The size of the reverse osmosis system and choice of membranes will be determined by the permeate quality required, feed water salinity and permeate quality expected. With the wide choice of low energy membranes available, a unit can run on pressures around 150-200psi, and as such the pressure booster pumps required to generate the pure water are smaller, and the power consumption is reduced significantly.
The New Mini COMMERCIAL Reverse Osmosis System
The new MiniRO series of reverse osmosis system is a unique modern range of quality engineered reverse osmosis units designed for automatic operation. The series is based on the previous tried and trusted range of MiniRO units and contain similar features of the old range including ‘water on demand’ fully automatic operation, simple straight forward installation, water quality and unit status monitoring together with ultra quiet operation.
Ultra-quiet operation – > 63dbA
Fully automatic with ‘water on demand’ sensing
Optimised for membrane and treated water Cleanliness
Simple, straight forward installation with single phase electrical supply Quality and status monitoring display
Flow capacities in the range of 45 – 400 l/h
Tried and trusted microprocessor control
Commercial Reverse Osmosis Water Treatment Systems Videos