Procédé de production d'éthanol en utilisant des farines de mais

Method for producing ethanol by using corn flours

Verfahren zur Herstellung von Äthanol unter Verwendung von Maismehlen


A method for producing ethanol starting from corn flours, which provides for the milling of the corn, the separation of the light fractions (bran), a first refining of the milled fractions, a first sifting with germ separation, a second refining of the milled fractions, and a second sifting with germ separation. In particular, according to the invention, impact milling of the wet corn is provided so as to preserve the largest possible average particle size of the milled fractions, and subsequent crushing of the germ is also provided, so as to facilitate size separation thereof. With respect to known systems for producing ethanol starting from corn flours, the method according to the invention allows to extract from corn at least 7%, preferably at least 10% (by weight with respect to the initial product) of pure germ (i.e., germ not contaminated by other components) and at least 1% pure bran, preferably at least 2.5%, before transfer to the ethanol extraction plant, with the previously cited consequent advantages and overcoming the drawbacks that arise from using the systems that constitute the background art. In particular, the extraction from corn of at least 7% of the germ, preferably at least 10%, and of at least 1% bran, preferably at least 2.5%, allows to achieve drastic reductions in the production of pasty residues in the subsequent ethanol extraction process.




Download Full PDF Version (Non-Commercial Use)

Patent Citations (6)

    Publication numberPublication dateAssigneeTitle
    DE-10251490-A1May 13, 2004Bühler AGProcedure for husking and degerminating of especially corn entails degerminating grains directly or after surface dampening, and carrying out of procedure in treatment zone between beater bars of drum which has protrusions
    EP-1213054-A1June 12, 2002The Quaker Oats CompanyVerfahren zur Vermahlung von Mais
    US-3399839-ASeptember 03, 1968Quaker Oats CoDry milling corn process
    US-4361651-ANovember 30, 1982Keim Carroll RProcess for making fermentable sugars and high-protein products
    US-6254914-B1July 03, 2001The Board Of Trustees Of The University Of IllinoisProcess for recovery of corn coarse fiber (pericarp)
    US-6550700-B1April 22, 2003The Quaker Oats CompanyGranular material test milling processes

NO-Patent Citations (1)


Cited By (10)

    Publication numberPublication dateAssigneeTitle
    CN-104549610-BApril 19, 2017河南实佳面粉有限公司一种免重复研磨的小麦制粉工艺
    CN-104689878-AJune 10, 2015天津恒瑞源食品科技有限公司面粉生产系统
    CN-105080634-ANovember 25, 2015河南皓佳农业开发有限公司一种玉米糁的生产工艺
    CN-105080634-BAugust 25, 2017河南皓佳农业开发有限公司一种玉米糁的生产工艺
    CN-105080643-ANovember 25, 2015河南皓佳农业开发有限公司一种玉米糁精深比重分离工艺
    CN-105080643-BAugust 25, 2017河南皓佳农业开发有限公司一种玉米糁精深比重分离工艺
    EP-2204437-A1July 07, 2010Intevep SARegenerierbare und nicht regenerierbare Sorptionsmittel und Verfahren zur Säuregasentfernung
    US-8110094-B2February 07, 2012Intevep, S.A.Regenerable and non-regenerable sorbents for acid gas removal
    US-8641922-B2February 04, 2014Intevep, S.A.Regenerable and non-regenerable sorbents for acid gas removal
    WO-2009072878-A1June 11, 2009Jantinus Kappe, Karl-Heinz SautnerProcess for the manufacture of bioethanol