Design a RO plant for malls and multiplexes
Commercial RO plants are essential for providing clean and safe drinking water in malls and multiplexes. These plants remove dissolved solids, impurities, and contaminants from water to make it safe for consumption.
In this blog, we will design a commercial RO plant for malls and multiplexes, including the design basis, process flow diagram, and working function in detail.
The design basis for the commercial RO plant is as follows:
Feed Water: The feed water for the RO plant is assumed to be tap water with a total dissolved solids (TDS) level of 500 ppm.
Product Water: The product water for the RO plant should have a TDS level of less than 50 ppm.
Recovery: The recovery of the RO plant is assumed to be 75%.
Feed Water Temperature: The feed water temperature is assumed to be 25°C.
Process Flow Diagram
The process flow diagram for the commercial RO plant is as follows:
The working function of the commercial RO plant is as follows:
1- Feed Water Tank: The tap water is stored in a feed water tank before being pumped to the RO plant.
2- Feed Water Pump: The feed water pump is used to pump the feed water from the feed water tank to the RO plant.
3- Pre-treatment: The feed water is pre-treated to remove any suspended solids, colloids, and organic matter before entering the RO plant.
a. Sediment Filter: The sediment filter is used to remove any suspended solids and sediment in the feed water.
b. Activated Carbon Filter: The activated carbon filter is used to remove any chlorine, odor, and color from the feed water.
c. Antiscalant Dosing: The antiscalant dosing is used to prevent scaling on the RO membranes.
4- RO Plant: The feed water is pressurized using the high-pressure pump and then passed through the RO membranes under pressure. The RO membranes remove dissolved solids and impurities from the water, producing product water. The product water is then transferred to the product water tank using the permeate pump.
5- Product Water Tank: The product water is stored in the product water tank before being used in the malls and multiplexes.
6- UV Sterilizer: The product water is passed through the UV sterilizer to kill any remaining bacteria and viruses in the water.
7- Ozonation: The product water is then passed through the ozone generator, where ozone is added to the water to disinfect it, remove any residual chlorine, and improve the taste and odor of the water.
The commercial RO plant works on the principle of pressure-driven separation, where the feed water is pressurized and passed through the RO membranes to remove dissolved solids and impurities. The pre-treatment steps help to remove any suspended solids, colloids, and organic matter from the feed water, which can clog the RO membranes and reduce their efficiency. The antiscalant dosing helps to prevent scaling on the RO membranes, which can lead to reduced product water quality and membrane damage. The UV sterilizer and ozone generator help to disinfect the product water, removing any remaining bacteria and viruses and improving the taste and odor of the water.
In conclusion, designing a commercial RO plant for malls and multiplexes requires careful consideration of the feed water quality, product water requirements, and recovery rate. The process flow diagram and working function of the RO plant are essential for understanding the different steps involved in the RO process and the role of each component in producing high-quality product water. The commercial RO plant is an essential water treatment technology for providing clean and safe drinking water in malls and multiplexes, ensuring that the water used for consumption is free from impurities and contaminants.
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