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Fertimanon Jan 29, 2015 11:35pm
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Low Cost Allana article
Low Cost Allana article “Our potential lenders required that we do extra work to provide comfort on the various elements of the project.” explained Abasov.
The first concern was the suitability of the aquifers Allana would be using for its solution mining operations. The solution mining process means that Allana will dissolve the potash underground and then pump brine to the surface where it will be placed in solar evaporation ponds. There’s where the 40C year round temperature does its magic.
“The first concern is the water supply. The lenders wanted comfort on the local aquifers that supplied the industrial water for our solution mining process. We have done aquifer stress tests on the flow and recharge rates. We needed to ascertain that the recharge rate was sufficient. On the water side we’ve had no surprises. The rates are quite good.”
The second area in which the lenders were seeking comfort was on the issue of scalability. “We had done work on a 40 meter sized solution mining chamber for our initial Feasibility Study, but the commercial scale production chambers will be 80 meters in width. So we needed to demonstrate that this larger size was achievable. Our work confirmed that is was.”
https://theafrikamarket.com/2015/01/26/allana-potash-developing-low-cost-potash-emerging-markets-africa-allana-potash-developpement-faible-cout-de-potasse-dans-les-marches-emergents-en-afrique/