A Reverse Osmosis System Custom-built to Any Requirements
Humans have been utilising various techniques to purify water for millennia, and most of their methods have involved some form of physical filtration. Their earliest efforts drew directly from nature, filtering the water by leaving it to percolate through gravel or sand. Subsequent improvements to this technique employed porous clay pots, linen and charcoal as the filter media. Despite alternative options such as ion exchange and distillation, the most efficient method developed to date is the reverse osmosis system, which is also a form of filtration.
Interestingly, RO technology first appeared during the ‘60s and also owed its origin to a natural process. However, it differs substantially from all previous procedures by its ability to filter solutions at the molecular level. As its name suggests, the process involves reversing the mechanism employed by plants to control the movement of water through the cellulose walls between the cells and the surrounding space. The semipermeable cell walls allow the passage of water molecules but nothing larger. In a reverse osmosis system, a synthetic membrane, typically cellulose acetate, substitutes for the plant cell walls. Applied external pressure drives the usual biological process backwards to separate the water from all dissolved and suspended solids.
RO technology outperforms all other forms of physical filtration, including ultrafiltration and nanofiltration. Accordingly, it has gained numerous applications across a wide range of industries. For example, this methodology is invaluable in any situation where there is a need for ultra-pure water. Not surprisingly, the food and beverages and pharmaceutical industries rely heavily on reverse osmosis systems, which are also used in many municipal water purification plants to add a final “polish” to their product.
However, RO is a highly versatile methodology and not limited to purifying liquids. In some cases, the purpose of these systems is to retain dissolved solids. Many chemical processes involve the use of catalysts that are often costly or produce by-products that have potential value. One can also employ this technology to extract such materials from a solution for sale or re-use. Food processing companies also use a modification of the conventional reverse osmosis system to produce concentrates such as sauces and fruit purees. There are also numerous applications for this technology in agriculture, aerospace and the automotive industry.
No single RO solution can satisfy every user’s widely divergent and sometimes unique needs. Instead, at Watericon, we believe a reputable supplier should assess each client’s specific requirements and design a bespoke installation to meet them. Our customer-centric philosophy and innovative thinking have positioned us as South Africa’s leading supplier of filtration solutions, including custom-built reverse osmosis systems. Please feel free to explore our range of advanced water treatment technologies.