This will be my final post in the series that have been presenting different forms of water filtration technology. I will have covered all of the main types of filtration in domestic use by the end of this post. Starting with my next entry, I will begin discussing specific applications and situations which best suit different types of filters, along with comparative reviews of filtration products, general tips and industry news.

Reverse Osmosis Filters

I have a friend who was a submariner for many years in the Dutch Navy; he has told me many stores about the way water was filtered on the subs he served on, all of which used a form of reverse osmosis. Reverse osmosis works by drawing the water through an extremely fine membrane, this membrane acts as a filter, and can be used to remove salt and other impurities from a water supply. Interestingly enough, my friend tells me that no matter what, the water always tasted of diesel fuel, although I am sure this was due to the fact the filter was installed on a submarine with diesel engines! It should be noted that reverse osmosis will also remove many trace minerals from the water supply, many of which are deemed to be beneficial to a healthy life.

Catalytic Conversion Filters

A water filter which uses a process of catalytic conversion works in almost exactly the same way that the catalytic converter in a motor vehicle is used to control emissions. Certain substances such as chlorine and heavy metals are oxidised and broken down into their basic component form. The original design of these units can be traced back to Estonia, and some starling results have been achieved. A catalytic conversion filter can be used to turn a very bad water supply, such as a stagnant pool, and create safe, drinkable water which would pass WHO (World Health Organisation) safety checks. In addition to filtration, the catalytic converter will also change the PH value of the water and produce an alkaline supply. This is an incredible form of filtration which is just beginning to find its way into the mainstream domestic market; more on this in future posts for sure.

So there we have it, over the last few posts I have introduced plenty of information for people to read over, and familiarise themselves with filtration technology, before I dive into the deep end so to speak, and begin to discuss real world applications and situations.