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300 GDP Membranes are the kidney and liver of water treatment systems. Membranes are the kidney and liver of water treatment systems. They filter out all the contaminants and particles from...
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300 GDP

Membranes are the kidney and liver of water treatment systems.

Membranes are the kidney and liver of water treatment systems. They filter out all the contaminants and particles from the feed water source once it has passed through pretreatment. Crossflow membrane filtration is a pressure-driven separation process. Application: Industrial, food, water, chemical, and biotechnology markets, as well as for those providing environmental protection. RO membranes are great solutions for many different applications.

Membranes serve as highly-engineered, physical barriers that permit the passage of materials only up to a certain size, shape or character. Puritech offers reverse osmosis membranes (RO membranes), Filmtec membranes or Dow Filmtec membranes, Koch membranes, and Hydranautics membranes in a variety of configurations, materials and sizes; each designed to meet specific application needs. Puritech also stocks their brand of spiral membranes.

Membranes – Reverse Osmosis, Filmtec, Hydranautics and Koch Membranes

There are four main membrane separation processes currently employed for liquid/liquid and liquid/solid separation: microfiltration (MF), ultrafiltration (UF), nanofiltration (NF) and reverse osmosis (RO). Spiral wound products have become the most commonly used membrane for industrial water applications such as boiler make-up water, brackish water treatment, seawater desalination, microelectronics and pharmaceutical water applications. These membrane are available as UF, NF and RO.

What is Semi-permeable Membrane?

Semi-permeable membrane refers to a membrane that selectively allows certain species to pass through it while retaining others. In actuality, many species will pass through the membrane, but at significantly different rates. In RO, the solvent (water) passes through the membrane at a much faster rate than the dissolved solids (salts). The net effect is that a solute-solvent separation occurs, with pure water being the product. (In some cases, dewatering is desired to concentrate the salts).

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