Automatic Chlorinator Dispenser

By · Tuesday, October 27th, 2009

The Overview

According to one FDA inspector Technical Guidelines (ITG), the principle used in reverse osmosis systems have been around for over a hundred years. In 1960 a newly developed membrane allowed its application for commercial purposes, such as wastewater treatment, desalination, recovery of minerals and water purification.

About The Process

Like a reverse osmosis system operates at a fairly low temperature and relatively energy efficient, the engineers quickly adopted these principles in the development of numerous products to commercialize the technology of purification water to industrial, commercial and consumer markets. Reverse osmosis systems have recently been used in processing water for dialysis in hospitals, cosmetics and medicines as well as water for injection and preparation of parenteral solutions.

A reverse osmosis system uses a process by which a membrane separating relatively pure water pressure of less than pure water. Because two aqueous solutions of different concentrations, when separated by a semi-permeable membrane, pass through the membrane in the direction of the more concentrated solution as a result of osmotic pressure. when enough back pressure applies to the concentrated solution to overcome the osmotic pressure, water flow is reversed.

Water molecules that fit into the membrane matrix by the formation of hydrogen bonds in the membrane can be pushed through the pressure. Most organic substances with a molecular weight of 100 are passed out, including oils, pyrogens and bacteria and viruses.

About Membrane

Most of the membranes in manufacturing systems commercial reverse osmosis are made from cellulose acetate, nylon or leather polysulfonate of about 0.25 microns, supporting a layer of total thickness of 100 microns. This barrier allows the passage of water using spiral or hollow fiber constructions. These membrane modules are built on a house call permeators pressure.

About Permeator

In general, reverse osmosis systems with a cellulose acetate membrane to operate between 55 F and 86 F (13 C – 30 C). In most systems reverse osmosis water passes through a prefilter and the pH must be adjusted before it enters the membrane modules under pressure. The resulting water placed in a storage tank where the concentrate is drained.

A typical reverse osmosis feed water moves through one or more pretreatment before being fed to the permeator. These pretreatments may include activated carbon filters, chlorinator and holding tanks, sand beds, filters anthracite, degasser, micro, neutralizing, and deionized water. All these "pre-treatments are available depending on the condition of water supply and the requisite quality of the final product with water.

I think water conditions may vary for pre-treatment should be provided to ensure the dissolved solids and the level of bacteria in the feed water after the pre-filtering techniques are applied, within limits acceptable to the purification of high quality.

One of the biggest problems in the ongoing operations of a reverse osmosis system is inlaid with a gradual accumulation of rejected product in the supply side the membrane. To minimize this accumulation, a wash cycle should be applied. Spiral-wound structures are less prone to this problem that hollow fiber units.

A reverse osmosis membrane system would generally be changed every two or three years.

About the quality of the reverse osmosis system water

Reverse osmosis water production systems with a fairly close relationship between the percentage of dissolved solids in the feed water and that the finished product. So if the feed water contains 400 ppm of total dissolved solids, 95% to 90% rejection rate, the water can be purified expected to retain a residue of 20-40 ppm of dissolved solids.

Obviously, for any given system, if the recovery rate (boiled) is high, or the rejection rate is low, the quality of water produced is reduced.

Reverse Osmosis Systems Technical Requirements

What does this mean?

Most of us can not translate technical jargon in the above information, what we will try to help interpret.

Until recently time reverse osmosis systems are the preferred method for treating and purifying water. However, there are now more efficient and effective to generate a higher quality drinking water at home, cooking and bathing.

On the down side, natural minerals removed by a reverse osmosis system can have an impact long negative term in your health if not replace the minerals lost through other sources.

The new systems on the market use filtering methods to preserve these valuable and necessary minerals. These technologies remove synthetic organic contaminants and are increasingly common and can be serious health hazards.

Moreover, reverse osmosis systems do nothing to produce better tasting water systems that use carbon filters. To top it off, a reverse osmosis system may reject and send gallons of water down the drain for every gallon it purifies. There is a very economical method for cleaning the water we consume and bathe in.

The most recent use systems, like those mounted under the sink or just in front of the bathroom plumbing, you can produce high quality water for critical uses and to avoid unnecessary treatment of thousands of gallons of water for non-critical uses such as watering lawns and washing the car.


To wrap it all up, reverse osmosis systems are falling into the history books and activated carbon systems with multi-stage carbon filter enabled in the currently believed that the best quality, best performing and most efficient cost to provide clean, safe and healthy in our homes.

Bruce Monnier is a dedicated researcher of critical issues that affect health and well-being. Visit his water purification blog now at to discover which water purification system he recommends after extensive research.

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