> You don't need reverse osmosis for the filtration - the water is quite clean, it just has some dust in it which a simple filter could handle. May be easier to

> You don't need reverse osmosis for the filtration - the water is quite clean, it just has some dust in it which a simple filter could handle. May be easier to filter the air instead. I was thinking the same when I read the article. I assumed they didn't intend to filter the air because an air filter may become clogged by sand particulate - especially in a sand storm. I said reverse osmosis for the filter, merely because this setup is actually well suited for it, and if these turn out to be mass produced (hopefully cheaper for more litres of water a day) that they may become used in more urban areas where pollution is a bigger factor. It would also make bacterial contamination less of a concern as mild chlorination of the holding tanks would likely make a long term potable water source with low maintenance. However, the advantage of compressing over refrigerating is that the compressed air could be vented to periodically clean any air filters. It's important that these turbines be very low maintenance if they're to be installed in remote areas. A self-cleaning air filter and a simple water filter might be ideal.