Integrated corn processing

A technology of corn and corn syrup, which is applied in the petroleum industry, lighting and heating equipment, combustion methods, etc., and can solve problems such as energy consumption

Inactive Publication Date: 2007-11-28
CARGILL INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, wet and dry milling processes require energy, which can be the main cost of producing products by these two methods

Method used

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  • Integrated corn processing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment I

[0064] Example I - Separation

[0065] The basic steps for separating high-oil corn from low-oil corn HOF and LOF, or HSF and LSF are basically the same. The specific examples provided below are for high oil corn.

[0066] High Oil Corn Kernel 1 (LH310 (Inbred, Holdens Foundation Seeeds) x HOI 001) stored in a blade mixer with a steam jacket was metered, see U.S. Patent Publication Nos. 2003 / 018269 and 2003 / 0172416, incorporated herein by reference. Reference) and High Oil Corn Kernel 2 (Top Cross Blend seed corn, purchased in spring 2003, harvested in fall 2003, Indiana), with a retention time of about 7 minutes. Heat at 90°F to soften the corn. The softened corn is then sent to a Buhler-L unit (Buhler GmbH, Germany) where the hulls and softer tissues are ground into a low oil fraction ("LOF") and mixed with a high oil fraction ("HOF") separate. The analysis results of grain, HOF and LOF are shown in Table I-1.

[0067] moisture

[0068] These results show th...

Embodiment II

[0069] Embodiment II-oil extraction

[0070] A. High oil corn

[0071] Expanded collets were produced by HOF expansion of yellow dent variety #2 corn with a DFEA-220 expander (Buhler GmbH, Germany). Moisture is added to the expansion tank in the form of steam. The rate of steam addition was 6.0-6.8%. Cooling the expanded HOF in a horizontal ambient air cooler reduced the moisture content to 10.13-12.45%. The HOF expands to make it suitable for delivery to a full scale solvent extractor.

[0072] A full-scale extraction process was performed on two truck loads of expanded HOF with 23-32% HOF in the truck. The remainder is wet milled pressed germ cake. It takes 3.5 hours to unload the load from the wagons into the wet-milled germ stream. The mixture was pressed using a shallow bed Crown III oil press. The processing capacity of the oil press is 1000T / day.

[0073] The table below shows the results at different sampling points during the experiment:

[0074] F...

Embodiment IV

[0111] US Patent Nos. 6,313,328 and 6,388,110 describe an industrial scale process for processing whole corn kernels having a total oil content of at least about 8% by weight comprising the steps of chipping the kernels and extracting the corn oil from the kernel chips. US Patent No. 6,610,867 describes a method of extracting corn oil to form corn meal. The method generally includes the steps of: crushing whole corn kernels having a total oil content of about 3-30% by weight, and extracting corn oil from the crushed kernels. (This method does not use slices). The extraction step is performed on all fractions of the whole kernel (in any form), including fractions with a low oil content. In contrast, the fractionation process of existing methods produces a high oil component and a low oil component. The low-oil component avoids the oil extraction process and can be directly fed or used for other applications. Only the high oil fraction is pressed and extracted. This process ...

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Abstract

The invention provides an integrated corn processing model and plant which can be used to generate grits, ethanol, energy, starch, sweeteners, gluten, fermentation products, corn meal and oil in a manner that allows the controller to shift outputs depending on process economics and availability of inputs.

Description

field of invention [0001] This application claims priority to US Provisional Application No. 60 / 628,069, filed November 15, 2004, which is incorporated herein by reference in its entirety. [0002] The present invention relates to an integrated corn processing model and equipment that can be used to produce meal, ethanol, energy, starch, sweeteners, gluten, fermented products, corn meal and oil in a manner that allows Obtained inputs change outputs. Background of the invention [0003] Corn is typically processed in one of two ways: wet milling and dry milling. Wet milling requires more capital and energy. However, wet milling provides a better separation of the components in the corn, resulting in higher purity products such as high fructose corn syrup, starch and corn oil. Dry milling is often described as mechanically grinding corn kernels. The ground corn may then be further separated into ground corn components such as meal, bran, husk an...

Claims

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Application Information

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IPC IPC(8): C10L5/44C08B30/04C11B1/04B02B1/00B02B5/02A23L7/25A23L27/30
CPCA23L1/1041F23G2209/262B02B5/02C10L3/00C08B30/044C12P7/06A23K1/14C10L5/44C11B1/04Y02E50/10Y02E50/17Y02E50/30B02B1/00A23L1/1016A23K10/30A23L7/115A23L7/198
Inventor M·J·比弗E·福克斯J·英瓦尔森D·科托维斯基A·帕蒂斯特I·C·珀特勒M·J·图皮C·泰勒M·范豪滕L·佐罗
Owner CARGILL INC
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