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UV System WHAT IS UV DISINFECTION SYSTEM AND HOW DOES IT WORK? UV Disinfection System is an extremely effective way to combat microbial contamination in water. However, microbes have to be exposed to UV-C light in the proper amount in order to effectively disinfect the water. UV Disinfection Systems are used in many different applications ranging from the purification of drinking water in individual homes to disinfecting water supply of entire townships. UV treatment for water is recognized as the safer and more cost-effective way to disinfect water for industrial applications. UV sanitization is useful in almost any application where microbial free, safe and pure water is required; and where there is a chance of the water being contaminated before it reaches the final point of use. How Does UV Disinfection System Work? UV light disinfects by penetrating microorganisms and destroying their DNA. DNA plays an important role in organisms’ functions and reproduction hence destroying the DNA prevents the organism from being active and multiplying. This UV energy (wavelength of 240-280 nm) is also naturally found in sunlight in very small quantities. The same energy is produced in stronger intensities with help of high mercury discharge lamps, commonly known as UV lamps. No bacteria, viruses, molds or their spores can survive when exposed to the correct dose of UV light. Therefore UV is considered as the best solution for water sterilization. Industrial Applications of UV Disinfection System Ultraviolet disinfection system is not simply a lamp inside a pipe. The UV Reactor must be designed to ensure that all microbes receive sufficient exposure to the UV light (dose).Based on the hydraulic properties of water; the reactor needs to be optimized to guide the flow in a manner so as to maximize residence time and boost turbulence. Well designed UV systems are producing consistently exceptional results in the industrial applications. Few Examples : Food and Beverage – UV disinfection system can help to achieve quality of water as per specifications laid down by the FDA ( Food and Drug Administration ) Bio- Pharmaceutical – Water used in Pharmaceutical and healthcare products and for CIP (Cleaning in Place) must be free of chemicals like chlorine, ozone, and pathogens. Most pharmaceutical companies depend on UV systems for water disinfection. Cosmetics – Water that is free of microorganisms and toxins ensure quality and enhance the shelf life of cosmetics. UV Sterilization is the preferred choice for the cosmetic industry across the globe. Centralized Drinking Water – A UV system is an easy, affordable solution to ensure pure water in each and every tap of your home or office. Waste Water Disinfection and Reuse – To combat the problems of water scarcity and rising cost of fresh water, UV Disinfection can help by treating the waste water in the tertiary stage. UV systems that are specially designed for wastewater can thus disinfect wastewater so that the water can be reused for secondary purposes such as flushing and gardening. Swimming Pools – Traditionally, chlorine has been in use to ensure clean water in swimming pools. However, it is increasingly being known that with chemical disinfection, chemical reacts with many other organic matters to form hundreds of new chemicals which are harmful. While UV is recognized as safer and more cost effective way to disinfect swimming pools. Benefits of UV Disinfection System Natural – UV is nature’s way of purification. Environmentally Friendly – No Toxic by-products are formed during UV disinfection process Effective – All known microorganisms are susceptible to UV light Economical – Lowest operating cost amongst disinfection systems Safe& Chemical Free – No addition of chemicals hence no danger of overdosing Fast – It is In-contact purification therefore Instant Easy to Manage – Well designed systems like the Alfaa UV systems come with many advanced features like CFD (Computational Fluid Dynamics), high-efficiency electronic ballasts, and extremely precise UV intensity monitors which make them highly effective and hence easy to manage. Does a UV Disinfection System need periodic maintenance? There can be some cases where the water is not adequately pre-treated and turbidity levels are low. In such cases, routine inspection and cleaning can be carried out every 6 months. In the case of high turbidity and hardness, the cleaning frequency might need to be increased. Finally, the UV lamp has a limited life and must be replaced once it is exhausted. In the unlikely event of premature failure of the lamp, the monitoring circuit will provide the signal to advise replacement.
How to select the right water purifier When it comes to caring for your family, you need to avoid taking impulsive decisions. One of the important decisions that you need to make is buying the right water purifier. Though it may seem quite easy to buy a water purifier, there are a number of factors that you need to consider. The water purifier that you choose depends on the quality of water you receive in the area. In addition, you need to consider the technologies used and read the water purifier reviews before making the final decision. If you too are planning to buy the best water purifier here are some important factors you need to consider. How to choose the best water purifier for home You should consider the below mentioned points whilst purchasing a water purifier. Water Quality As already mentioned, you need to check the water quality before buying a purifier. If water in your area has a high TDS level, hardness and salinity, you need to opt for an RO water purifier. RO water purifiers come with a semi-permeable membrane which can remove the dissolved salts, metals and impurities. Types of Water Purifier There are different water purification technologies available in the market. Understanding the various water purifier technologies is very important in order to make the right decision. Depending on the water quality and budget, you can choose among RO, UV, and UF (gravity based) water purifiers. Here are some more details about the various technologies. RO Water Purifiers Reverse Osmosis Purifiers are ideal for areas that have high TDS level. RO water purifiers can remove heavy metals, Fluoride, Arsenic, and other toxic impurities from water. However, RO purifiers also remove some of the essential minerals from water which can be supplemented by mineral addition system. Gravity Based Water Purifiers UF Water Purifier for low TDS water Gravity based water purifiers are budget-friendly and don’t require power to operate. You can use gravity based water purifiers if the TDS level in your area is low. The water purifiers are ideal for removing bacteria, dust, chlorine and cysts from water. UV Water Purifiers UV Water Purifier UV water purifiers use a high power UV lamp to disinfect the water, the UV purifier does not remove other physical or chemical impurities from the water. Contamination Contaminants Present in Water Bacteria, nitrate, dissolved pesticides, and lead are some of the common contaminants present in water. The amount of contaminants present in water can be tested in any laboratory. If water supplied to your home is high in microbes and contaminants, you need to install a RO+UV+UF filtration as an intelligent choice. The UV effects irradiate the water and penetrate the cells of bacteria and viruses, destroying their ability to reproduce. These organisms fail to multiply and eventually die. The RO membrane removes these dead germs and contaminants from water and makes it fit for consumption. Storage Capacity When buying a water purifier, it is very important to take into account the storage capacity. If you live in an area which is prone to power cuts, you need a water purifier which has a higher storage capacity. The automated water purifiers start the purification process as soon as the water level in the purifier declines. Certifications Another important factor that you need to check in water purifier reviews is the certifications received by the brand. Certified water purifiers ensure that the brand is authentic and trustworthy. ISI and WQIA (Water Quality Association of India) the Indian certification bodies, NSF, WQA, IBWA etc. are International certification bodies. Maintenance and After Sales Services Lastly, before making the final decision, ensure that you get all the necessary information about maintenance and after-sales services of water purifiers. A water purifier that needs frequent maintenance services is not worth the money you invest. In addition, you also need to check the after sales services provided by the company. Poor after sales services lead to a lot of problems if something goes wrong with the water purifier.
Green Water Concepts India Pvt Ltd has signed an agreement with Kottopadam Grama Panchayat for the supply, installation, and commissioning of UV water purifiers, 500LPH capacity. GWC has successfully installed 18 nos of UV water purifiers with auto cut off facility. The purifying units consists of 1. Sediment Filter - 5 micron, 20inch, with 20inch polypropylene cartridge 2. Carbon block filter (CTO, 20') 3. Sediment Filter - 1micron, 20inch, with PP Cartridge 4. Solenoid Valve 5. UV System 500LPH - alpha UV 6. Loft Tank, 150L capacity 7. SS Taps, for dispensing the water. The UV system will cut off when the loft tank is full. The school administrative already admired the quality of the job done.
Water Chemistry, pH The technical definition of pH is that it is a measure of the activity of the hydrogen ion H plus and is reported as the reciprocal of the logarithm of the hydrogen ion activity. Therefore, a water with a pH of 7 has 10-7 moles per liter of hydrogen ions, whereas, a pH of 6 is 10-6 moles per liter. The pH scale ranges from 0 to 14. 0 acidic 7 neutral 14 basic In general, a water with a pH less than 7 is considered acidic and with a pH more than 7 is considered basic. The normal range for pH in surface water systems is 6.5 to 8.5 and for groundwater systems 6 to 8.5. Alkalinity is a measure of the capacity of the water to resists a change in pH that would tend to make the water more acidic. The measurement of alkalinity and pH is needed to determine the corrosivity of the water. The pH of pure water is 7 at 25-degree Celsius, but when exposed to the carbon dioxide in the atmosphere this equilibrium results in a pH of approximately 5.2. Because of the association of pH with atmospheric gasses and temperature, it is strongly recommended that the water be tested as soon as possible. The pH of the water is not a measure of the strength of the acidic or basic solution and alone does not provide a full picture of the characteristics or limitations of the water supply. In general, a water with a low pH, less than 6.5, could be acidic, soft, and corrosive. Therefore, the water could leach metal ions such as iron, manganese, copper, lead, and zinc from the aquifer, plumbing fixtures, and piping. Therefore, a water with a low pH could contain elevated levels of toxic metals, cause premature damage to metal piping, and have associated aesthetic problems such as a metallic or sour taste, staining of laundry, and the characteristic blue-green staining of sinks and drains . The primary way to treat the problem of low pH water is with the use of a neutralizer. The neutralizer feeds a solution into the water to prevent the water from reacting with the house plumbing or contributing to electrolytic corrosion, a typical neutralizing chemical is soda ash. Neutralizing with soda ash increases the sodium content of the water. A water with a pH greater than 8.5 could indicate that the water is hard. Hard water does not pose a health risk but can cause aesthetic problems. These problems include: Formation of a scale or precipitate on piping and fixtures causing water pressures and interior diameter of piping to decrease; Causes an alkali taste to the water and can make coffee taste bitter, Formation of a scale or deposit on dishes, utensils, and laundry basins; Difficulty in getting soaps and detergents to foam and formation of insoluble precipitates on clothing, etc. and Decreases efficiency of electric water heaters. Typically these problems are encountered when the hardness exceeds 100 to 200 milligram CaCO3 per liter which is equivalent to 12 grains per gallon. Water can be softened through the use of ion-exchange or the addition of a lime-soda ash mixture, but both processes increase the sodium content of the water. Note: The ideal pH level of alkaline ionized water for long term human consumption is between 8.5 and 9.5 with the ideal ORP value around -200mV to -300mV, and in no way significantly greater than 400mV.
Green Water Concepts India Pvt Ltd is the authorized distributor of water dispensers of Conway Water Purifier Private Ltd. Conway Water Purifier is the first company in India introduces Customized stainless steel water purifier/ water cooler / water dispenser, which are designed and developed by a team of professionals based on their 3 decades of experience in the water purification industry. Conway Water Purifier has developed over 200 customized products in the past and those are working extremely well at customer’s site and getting us repeated orders. Some of the Conway products are 1) Stainless steel water cooler with Reverse osmosis RO / Ultraviolet UV / Ozone purifiers 2) Stainless steel water purifier with Reverse osmosis RO / Ultraviolet UV / Ozone purifiers 3) Stainless steel water dispenser with Reverse osmosis RO / Ultraviolet UV / Ozone purifiers.
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