Dairy industries require large amounts of clean water for various purposes, including processing, cleaning, and sanitizing. The water used in dairy industries must be free of impurities and contaminants to prevent contamination of dairy products and ensure that they meet regulatory standards. This is where commercial RO filter systems come in.
In this blog, we will discuss the working of commercial RO filter systems in dairy industries with a flow chart.
Working of commercial RO filter systems in dairy industries:
The commercial RO filter system is a water treatment system that uses a semi-permeable membrane to remove impurities and contaminants from water. In dairy industries, RO filter systems are used to purify water for various applications, including processing, cleaning, and sanitizing.
Here is a flow chart that explains the working of commercial RO filter systems in dairy industries:
Pre-treatment is the first step in the working of commercial RO filter systems in dairy industries. Its main goal is to remove large particles and impurities from the water before it enters the RO membrane. The pre-treatment process includes:
- Sedimentation: This is a process that involves allowing the water to sit in a tank or basin, allowing any large particles to settle at the bottom. The water is then removed from the top of the tank or basin, leaving behind the settled particles.
- Filtration: This is a process that involves passing the water through a series of filters, each with progressively smaller pores, to remove particles and impurities of different sizes.
- Chlorination: This is a process that involves adding a small amount of chlorine to the water to kill any bacteria and viruses present in the water.
Pre-treatment ensures that the water entering the RO membrane is free of large particles and impurities that could clog or damage the membrane.
The second step in the working of commercial RO filter systems in dairy industries is the high-pressure pump. The pump increases the pressure of the water to a level sufficient for the RO membrane to function. The high-pressure pump is necessary because the RO membrane requires a high-pressure flow of water to efficiently remove impurities and contaminants.
The RO membrane is the most critical component of the commercial RO filter system. It is a semi-permeable membrane that allows water molecules to pass through while blocking impurities and contaminants. The RO membrane is made up of multiple layers of material with tiny pores that can trap impurities and contaminants. The RO membrane removes various impurities, including bacteria, viruses, dissolved salts, and chemicals.
Permeate and concentrate:
After passing through the RO membrane, the water is divided into two streams: permeate and concentrate. Permeate is the purified water that has passed through the RO membrane and is suitable for various applications, including processing, cleaning, and sanitizing. Concentrate is the stream of water that contains the impurities and contaminants that were blocked by the RO membrane.
The last step in the working of commercial RO filter systems in dairy industries is post-treatment. Post-treatment involves removing any remaining impurities and contaminants from the permeate stream to ensure that the water is completely safe for use. Some post-treatment methods include:
- Carbon filtration: This involves passing the permeate stream through a carbon filter to remove any remaining organic impurities.
- UV sterilization: This involves exposing the permeate stream to UV light to kill any remaining bacteria and viruses.
- Chlorination: This involves adding a small amount of chlorine to the permeate stream to kill any remaining bacteria and viruses.
Post-treatment ensures that the water is completely purified and safe for use in the dairy industry.
In conclusion, each step in the working of commercial RO filter systems in dairy industries plays a crucial role in ensuring that the water used in the dairy industry is free of impurities and contaminants. Pre-treatment removes large particles and impurities, the high-pressure pump increases the pressure of the water, the RO membrane removes impurities and contaminants, permeate and concentrate streams separate the purified water from impurities, and post-treatment removes any remaining impurities and contaminants to ensure that the water is completely safe for use.
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