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Reply #65 correction's post
I was thinking more on "how to solve the sand storm" around Beijing.|
Might as well make some money out of public work.
The idea is rather simple.
Pump filtered sea water some 400-500km inland. (I was told it cost China Rmb2 milliion a km to pump "very viscose" crude oil, around 25M T of crude possible). So a shorter pumping distance, with "less viscose" sea water, would possible triple or quadruple the volume? ie. 100M T. So, the piping cost would be around 500 x Rmb2 mil = Rmb 1 billion.
(We probably need tanks to store sea water to allow for smooth flow of fluids into the proposed green houses)
With the creation of DRIP IRRIGATION METAL/POLYETHYLEEN FILM housing green houses, it's possible to "SALT PAN", and catch evaporation of the water on the polyethylene film into collection troughs. ( i got the idea from my air conditioning system, ha ha ha, and the heat driving my car. Overall it make me smarter consumer, i only drive my large car on weekends, and my small Perodua car on weekday, saving me at least Rmb1000 a month.).
(we can also have smaller distilled water holding tanks to be used in cooler periods)
The very salty effluent could then be send to regular salt pan drying methods. It's much efficient in the dry desert region. (though around Beijing, it would be only during the summer time). China needs around 3 mT of salt or approximately Rmb 9 billion worth.
Then with around 50-60m T (i am just guessing here), we could produce quite a lot of arid flourishing plants, such as ALOE VERA, fruits etc.).
I don't know how much, but it seem viable and increase farm acrerage.
(IN between the green houses) you can use Malaya's palm oil fiber geo textile to prevent sand movement, maybe add homes, roads, and an occasional tree.
God of Prosperity
note: The palm oil bit was a paid advertistment from the Palm Oil producers association of Malaysia)
[ Last edited by greendragon at 2008-5-5 11:35 AM ]