Does the number of stages or better to say, filters of the water purifier affect the quality of the purified water? Does it have any effect on the process of purifying water? Today we explain the different water purifiers with different numbers of filters. The number of steps in reverse osmosis filtration (RO) has become industry jargon in establishing the excellence of filtration, or the quality of the water it produces. This is because RO filters use a multi-step process. Is there any truth to this? Or it might just be another marketing ploy that businesses use to try to sell you additional services or add-ons that you have no use for. We are here to provide you with an open and honest response. What tasks are performed at each level of a filtration system that uses reverse osmosis? A typical RO system will have three distinct filter stages installed within it. Carbon, sediment, and the process of reverse osmosis. To obtain the highest level of water filtration feasible, each stage of the filtration process serves a significant role in its own right, while simultaneously complementing the roles of the other stages.
The removal of rust, dust, dirt, and particles from the water is accomplished by the process of sediment filtering. They are often utilized in the initial stage of filtration to assist in the removal or capture of larger particles so that subsequent stages may function more effectively in the capture of additional pollutants that can't be removed by sediment filtration. The subsequent process is called carbon filtration, and it is during this stage of filtration that different tastes, odors, cloudiness, and colors as well as a variety of chemicals such as volatile organic compounds (VOCs), chlorine, and chloramines are absorbed by the carbon before the water enters the subsequent stage. Carbon filtration is by far the most common type of water filtration on the market today. This is because carbon filters are extremely efficient at eliminating chlorine from water and provide the end-user with water that tastes fresh and clean. Carbon, on the other hand, is incapable of removing pollutants with smaller molecule sizes or dangerous toxins like heavy metals and arsenic. The process of reverse osmosis takes place at the very end of the filtering stage, and it is also the essential component of the whole system. At this point, the water is forced to pass through a semipermeable membrane that has a rated pore size of 0.0001 microns. This stage is known as the polishing stage. Up to 99% of all contaminants, including lead, arsenic, and nitrates, are removed from the water during the purification process.
It has been demonstrated that the membranes utilized in any reverse osmosis system offered by Aquasure are also highly successful in the removal of PFAS from water. Why do we continue adding stages AFTER the reverse osmosis step?The water that is left over after the process of reverse osmosis is sometimes referred to as flavorless water, which is something that not many people are used to. The use of a post-taste refining coconut shell carbon filter not only contributes to the removal of the lingering flavor but also restores a little amount of the water's natural sweetness. A remineralization filter is included in certain reverse osmosis systems, which helps bring back some of that water's natural mineral flavor. To properly filter using reverse osmosis, how many stages are required?To tell you the truth, just the step of reverse osmosis is necessary to get rid of all the impurities in the water. However, as was said earlier, the phases that come before it are there to assist in the elimination of all the larger impurities. This allows the reverse osmosis process to operate more effectively and for a longer period. The subsequent stages are intended to assist in removing the aftertaste left behind from the reverse osmosis process. In terms of both cost and effectiveness, a filtering system with four stages—sediment filtration, carbon filtration, reverse osmosis, and the post-taste refining filter—is considered to be the optimal configuration. Is it true that five steps of water filtration are superior to four?On the market, 5-stage reverse osmosis systems are among the most common and popular of all the available configurations. Is it true that five phases are superior to four? The straightforward response is no. Before the stage that does the reverse osmosis, many of the 5-step RO systems have additional filtering stages that use carbon.
This should, ideally, help remove even more contaminants from the water before it reaches the membrane, which should, in turn, help reverse osmosis function more efficiently. However, if we take a closer look at the system's specifications, we will find that the majority of the systems either have a GAC (Granular Active Carbon) filter on the second stage and a carbon block filter on the third stage, or they have two of the same carbon block on the second and third stages. In either case, the GAC filter is located in the second stage. The use of GAC carbon is a significantly more cost-effective but also less efficient alternative to the use of a carbon block. The water is forced to flow through a filter that contains particles of suspended carbon. While some of the impurities are captured inside the pores of the carbon, the majority of the contaminants simply skip the filter and do not come into contact with the carbon itself. Because of this, a third-stage carbon block filter is required to effectively remove the pollutants. In terms of the number of contaminants that are removed, systems that have two carbon blocks set up in the second and third stages may be more successful than systems that just have one GAC and one carbon block. On the other hand, they run into the challenge of lowering the water pressure that is applied to the membrane. The lower the water pressure that is applied to the membrane. the less efficiently it will function, which will lead to a reduction in the amount of clean water that is generated. A configuration like this has a greater potential to reduce the efficiency of the system than it does to improve it.
Therefore, adding more steps of filtering does not provide any further value to the process.The answer to this question is going to be determined by the kind of filtering that we are discussing. And which kind of water filter would be best for you? Adding an ultraviolet (UV) filtering system to water that has not been pre-treated with chlorination can assist in the killing of bacteria and the prevention of its development. People who live in more rural settings or whose primary supply of water comes from the ground or a well are more prone to be affected by this condition. As a result of the addition of chlorine or chloramine to the water supply, the majority of city dwellers do not need to be concerned about the proliferation of bacteria in their drinking water. ConclusionIn the end, there is no extra value to providing two stages of carbon filters if they merely use the same sort of filtration as the level before they did. This is because both stages use the same type of filtration. Therefore, when you are ready to make an investment in a reverse osmosis system for your house, look at what you are getting very carefully and consider whether or not you truly require it. And as usual, feel free to call our support team at any time to receive actual answers to any concerns you may have regarding water filtration. We would be happy to guide you on the right path and assist you to select the option that is ideal for your house.