Reverse Osmosis Membranes Purification

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Abstract

Reverse osmosis (RO) systems are generally built according to a standard design developed by the original equipment manufacturer (OEM). After the order is received, the equipment is shop assembled, mounted on a skid, and shipped to the customer for installation. The final result is a system that is a close fit with the customerﾒs floor space, water quality, and permeate flow requirements. Standard design RO systems are less costly for the OEM to produce because the designers only have to engineer the system once. This saves time and expense as compared to producing custom-built RO systems that meet the customerﾒs more-exacting specifications. From the enduserﾒs point of view, however, the standard design model typically requires the purchaser to settle for a system that is a compromise between the OEMﾒs preferred design and the optimum design for that particular application. A fair analogy would be the difference between purchasing a model home built on speculation by a general contractor versus a custom home designed by an architect and built to your specifications. In the first case, you live in a home that the contractor has selected based on his tastes and preferences instead of a home you designed to meet your specific needs. In a similar way, it is often to your advantage to take a more active role in developing RO design specifications to ensure that you get a system that suits your specific needs and not just those of the OEM.

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