Reverse osmosis (RO) is a water purification process that uses a semi-permeable membrane to remove all possible contaminations as ions, unwanted molecules and larger particles from water. In reverse osmosis, an applied pressure is used to overcome osmotic pressure. The result is that the solute is retained on the pressurized side of the membrane and the pure solvent (usually purified water) is allowed to pass to the other side. To be “selective”, this membrane should not allow large molecules or ions through the pores (holes), but should allow smaller components of the solution (such as solvent molecules, i.e., water, H2O) to pass freely.
Reverse osmosis can remove many types of dissolved, suspended and biological contaminations from water, and is used in both industrial processes and the production of potable water.
Reverse osmosis differs from filtration in that the mechanism of fluid flow is by osmosis across a membrane. The predominant removal mechanism in membrane filtration is straining, or size exclusion, where the pores are 0.01 micrometers or larger, so the process can theoretically achieve perfect efficiency regardless of parameters such as the solution’s pressure and concentration. Reverse osmosis instead involves solvent diffusion across a membrane that is either nonporous or uses nano-filtration with pores 0.001 micrometers in size. The predominant removal mechanism is from differences in solubility or diffusivity, and the process is dependent on pressure, solute concentration, and other conditions.
Pre-filtered water (received from water bodies or Pre-treated effluent/ Sewage) usually consists of Physical (Suspended & Colloidal), Chemical (Dissolved salts) & Biological (Bacteria, Virus etc.) contaminations, purified through Reverse Osmosis Plant (RO) to remove/ control these undesirable matters, and produce water fit and safe for industrial, drinking and other specific applications.
SAF Engineers is a well-known name for design & Supply of broad spectrum of RO Plants. We believe in high-quality and reliable systems that bring high Return on Investment to the clients. When you rely on us for good-quality systems, it is guaranteed that the output is the best in the class.
RO systems offered by us are admired by customers for certain special features:
• Modular Compact design for smooth handling & quick installation
• Highly energy efficient system
• The best purification amongst competitive products
• Excellent quality output
• Long-lasting membrane and low fouling
• Low maintenance requirement
• Provides advanced monitoring and controlling system
• Top-class standardized equipment