Reverse Osmosis Water Filter
Reverse Osmosis is a way of filtering that is primarily used on water to remove unwanted chemicals and contaminants. This works by passing the water thru a membrane. As the water passes thru the membrane the solute is left on one side leaving only the solvent on the other.
The typical process for a Reverse Osmosis water purification system is as follows.
First the water is run thru a filter that traps unwanted sediment such as calcium carbonate and rust.
The water passes thru a second filter that has smaller pores to further reduce sediment.
Next the water passes thru a carbon filter; this filter traps organic chemicals that hamper the reverse osmosis process.
The water is then passed thru the reverse osmosis filter. The reverse osmosis filter is a thin film composite membrane.
Optionally the water is run thru a second reverse osmosis filter to further purify.
Lastly a ultra-violet lamp is used to disinfect any microbes that may have been missed by the process.
When choosing a reverse osmosis system you want to compare the following factors.
The first and foremost important job of a reverse osmosis system is its ability to filter contaminants from your water. There are many test and studies and countless reviews on filtering effectiveness of these systems. It is however recommended that, before purchasing your system that you check against the National Sanitation Foundation’s database for its effectiveness. They are the industry experts on the subject of water filtering.
There are no taste measures and or standards available as taste is such a subjective measure. However this can be as important to you as any other part of water filtering. Be sure to read as much as you can regarding taste opinions on the system you are considering if you are unable to sample in person. As you can imagine different areas of the country give different tasting water. These differences will vary from state to state, county to county, city to city. There’s not really a one type fits all solution.
Household use different amounts of water as you’d already have guessed. This can be broken down further depending on the size of the property, the location of the property and naturally how many people live at the property. It makes sense a single person in a 1 bedroom apartment won’t be expected to use as much water as a family of 6 in a 5 bedroom house.
While looking at all the different makes and models, it’s important to check out the GPD figures, this is pointing out the gallons per day capacity of the machine.
Finally do you know what type of filtration you want or need? Would a 2stage be sufficient for you? The more popular models are 5, 6 or 7 stage whole house reverse osmosis range. Again these differences are all down to your individual requirements. It’s not uncommon for people to go straight in for a 10 stage process.
If you want to know how does reverse osmosis work? Then this video is a must watch for you. SydneyWaterTV creates this awesome explanation video on re…
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