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Monday 26 March 2018

Filtration and Adhesion: When the bond needs to hold




When we talk filtration, the extent and importance of the process is never fully understood. Filters are today used in every aspect of our lives right from the cars that we drive to the air-conditioning in our homes to automotive and hospital applications. Today filters serve different needs, from water, that is the most natural thought when we hear the word filter to oil and air filters that are used in the motors that we drive. Apart from these, there are a whole host of applications that use filters, and these are expected to perform in some of the most demanding and extreme environments.
When we talk about water, this is one natural resource that has universal uses right from domestic to industrial. Today, every conceivable manufactured product uses water in some part of its production lifecycle. Industrial water use, includes water used for such purposes as fabricating, processing, washing, diluting, cooling or transporting a product; incorporating water into a product; or for sanitation needs within the manufacturing facility. Some industries such as food, paper, chemicals, refineries, etc. use large amounts of water during the production stages.
Today, the World population is exploding and given the rate at which we have been drawing on nature’s reserves we will soon be staring at a crisis. According to a recent UN alert, in the next twenty years, global demand for fresh water will vastly outstrip reliable supply in many parts of the world. Freshwater makes for just 2.5% of the earth‘s water, and this again is contained in glaciers and groundwater which leaves just enough of the resource actually useable in rivers, lakes and ponds. Which highlights today more than ever the need to filter and recycle water.

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