Title:
PROCESS AND APPARATUS FOR MARKING NIXTAMALIZED CORN FLOUR
Document Type and Number:
WIPO Patent Application WO2003063594
Kind Code:
B1
Abstract:
A process and apparatus improvement for energy and particulate recovery during the production of nixtamalized corn flour, by precooking with a lime solution to effect partial cooking, reduced energy use for pre-cooking and washing by recycling hot water. Next, moisture content is stabilized, and the corn is milled and dried in a super-heated stream of air with reduced energy consumption by recycling waste hot air. Dust trapping is performed on a portion of waste hot air which is reused for preheating combustion air. Wet scrubbing of the remaining waste hot air is performed where heated water is reused and exhaust air vented. Cooling and further drying of the dried-milled particles follows. A fine grind or flour is separated and recovered from the coarse grind which is also aspirated to isolate a hull fraction as corn waste along with particulate collected after entrapping and scrubbing waste hot air. Re-milling and sieving the coarse grind produces a corn flour for tortilla and the like.
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Inventors:
RUBIO MANUEL J (US)
CONTRERAS ROBERTO (MX)
SOSA FRANCISCO (MX)
CONTRERAS ROBERTO (MX)
SOSA FRANCISCO (MX)
Application Number:
PCT/US2003/002756
Publication Date:
December 31, 2003
Filing Date:
January 31, 2003
Export Citation:
Assignee:
GONZALEZ BARRERA ROBERTO (MX)
RUBIO MANUEL J (US)
CONTRERAS ROBERTO (MX)
SOSA FRANCISCO (MX)
RUBIO MANUEL J (US)
CONTRERAS ROBERTO (MX)
SOSA FRANCISCO (MX)
International Classes:
A21D2/02; A21D8/00; A23L1/164; A23L7/10; B02B1/00; B02C11/08; (IPC1-7): A23L1/00
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