Select Part 4 of our series in 10 parts as a filter for water, I left you with a question. What is KDF? So I'll explain; KDF (Kinetic degradation fluxion) is an alloy of high purity copper-zinc. Please include a metal alloy is an absolutely unique. After the alloy is melted, there is no copper or zinc, but is now KdF No copper or zinc in water escape by this means only one filter. Technically KDF reduced and oxidized pollutants. It is not absorbed orabsorb them but transforms them by means of electron transfer.
This is essentially a form of ionization. As a result, it is very good at reducing chlorine and hydrogen sulfide (H2S) for its smell of rotten eggs known. Unfortunately, it has a serious shortcoming, KDF is extremely difficult. KDF water filter cartridges generally have very poor flow rates and the loss of significant pressure. This is not a problem for the point of use systems that only require.5 to 1.5 liters per minute (gpm), but it is a greatProblem for the whole house water filter. Car Washes out with KDF ® often need a minimum of 15 gpm backwash. Depending on the situation that the inclusion of flow can be difficult. cartridge-based systems almost certainly require parallel rather than series configuration, which is much more common. This is necessary because most of KDF filters "axial flow" rather than type 'radial cartridge.
Water Filter
axial flow cartridge to push the water throughthe entire bed of media from the bottom. This allows a longer contact time and removal of impurities such as higher radial flow cartridge, but with much higher pressure drop and choke. As we have already talked about this with the installation of more than a water filter in a parallel configuration can be solved. This has a higher cost and a more complex hydraulic design, and a larger space. However, KDF fabulous caused by the transfer, the foul smell of rotten eggs fromH2S.
KDF filters are often a combination of KDF and carbon. This media cartridges are ideal for dealing with a variety of problems of taste and smell, and are also useful for a couple of dangerous pollutants in our next article will address. If you have a question difficult to taste and smell and have not tried a combo or KDF KDF and carbon filter, it may be just what you need to address this persistent problem of water.
Be sure to see our next article, when you start looking dangerousPollutants such as heavy metals, volatile organic compounds, MTBE and other pathogens.
How to choose a water filter - Part 5, taste and smell
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