Many home water filters use either a matted material which is layers of fibers which trap contaminates or charcoal filters which trap contaminates because charcoal is naturally charged with positive ions; these positive ions attract the contaminates which are naturally charged with negative ions.
Industrial water filters are designed for removing manufacturing wastes such as chemicals, heavy metals, or oily residues; power plants, oil refineries, steel and aluminum plants, chemical producers, soil Reclamation and other like businesses have need for industrial water filters to minimize the amount of harmful waste to leave their manufacturing process.
Instead of charcoal or meshed material to filter the water, industrial water filters use sand or walnut shell media and a screen to filter large amounts of water with the aide of an agitator to thoroughly clean the factories water.
The media (either sand or walnut shell) captures the solid particles such as oils, chemicals, or heavy metals; the agitation allows the sand to connect with the water thoroughly and the screen in combination with the agitator force the media back to the bottom of the industrial water filtration unit when the cleaning process is finished so the clean water can be discharged from the unit.
The system which the industrial water filtration units are able to cleanse water is so efficient that it is able to remove over 90 percent of contaminates over 5 microns; microns are the unit of measurement filtration systems use to describe the size of contaminates allowed to escape the filtration process, the smaller the number in microns the more contaminates it removes from the water.
This type of industrial water filtration unit is often a large tank which is able to cleanse water in large batches; no chemicals are required because the media and screen take all contaminates out of the water before it is released. Most industrial water filtration tanks are able to cleanse between 100 to 12,000 gallons per minute depending on the size of the tank.
This type of industrial water filtration unit is very economical; the media product is reusable, the tank has a cleaning cycle which cleans the media itself so the same media material can be used over and over. During the cleaning process less than one percent of the water is needed to be sprayed of he tanks total capacity to get rid of the built up contaminates with out polluting the environment.
Ann Marier
http://www.articlesbase.com/advice-articles/industrial-water-filters-are-used-to-remove-manufacturing-waste-137633.html
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