University of Illinois

Other

United States of America, As Represented by the Secretary of Agriculture

Mississippi State University

Vijay Singh

David B Johnston

Steven R Eckhoff

Radhakrishnan Srinivasan

Robert A Moreau

Frank N Taylor

Stephen P Long

Ravi Challa

Ramkrishna Singh

Haibo Huang

Jameel K Shihadeh

Ganti Suryanarayana Murthy

Steven Eckhoff

The disclosure provides various methods for separating and recovering free fatty acids crude oil containing free fatty acids using certain ion-exchange resins to reduce the amount of free fatty acids in the crude oil to 3% or less such that the resultant oil is useable in downstream chemical processes. After separation and removal of the free fatty acids form the crude oil, the ion-exchange resin is reusable in further free fatty acid separation reactions.

Free fatty acid separation and recovery using resin

Process for recovery and separation of sugars and oil from plants where the stems and leaves of such plants have substantial levels of both sugars and oils.

Separation process of oil and sugars from biomass

Methods, devices, and compositions relating to processed grain products are shown for ground corn flour, soybean meal, cottonseed meal, and wheat middlings. An exemplary method shown is a fiber separation process for the ethanol industry corn products of Distillers Dried Grains (DDG) and Distillers Dried Grains with Solubles (DDGS) resulting from the widely used dry grind technology. A shown process and apparatus allows the removal and separate recovery of fiber-reduced products with expanded potential for use as a non-ruminant feed product in addition to the removal and separate recovery of a fiber-enriched product. The fiber enriched and fiber reduced products each have uses in the feed industry. The specific processes, devices, and compositions shown are readily adaptable to feed mills.

Fiber separation from grain using elusieve process

The present invention features a method for facilitating the fermentation of a high solids composition. The method involves subjecting the high solids composition to granular starch hydrolyzing enzyme during the fermentation process to provide a steady source of glucose. Moreover, the instant method is carried out under reduced pressure to selectively remove volatile components such as ethanol and water from the fermentation vessel.

Method for facilitating fermentation of high solids compositions

One or more set point values are generated by a dynamic fermentation controller for one or more of temperature, pH, and enzyme dosage for a fermentation system. The one or more set point values are output to one or more controllers of the fermentation system. The generation of the one or more set point values and the outputting of the one or more set point values is repeated until a change in conditions in the fermentation system is detected.

Dynamic fermentation controller

Methods, devices, and compositions relating to processed grain products are shown. An exemplary method shown is a fiber separation process for the ethanol industry corn products of Distillers Dried Grains (DDG) and Distillers Dried Grains with Solubles (DDGS) resulting from the widely used dry grind technology. The disclosed process and apparatus allows the removal and separate recovery of fiber-reduced DDG or DDGS products with expanded potential for use as a non-ruminant feed product in addition to the removal and separate recovery of a fiber-enriched product. The specific processes, devices, and compositions shown are readily adaptable to modern ethanol production plants.

Removal of fiber from grain products including distillers dried grains with solubles

A method for preparing corn fiber oil involving separating corn fiber from corn kernels (e.g., by a wet milling process), drying the corn fiber, grinding the dried corn fiber to produce ground corn fiber having a particle size of less than about 100 microns, combining the ground corn fiber with an aqueous solution having a specific gravity effective to float aleurone cells, removing the floating aleurone fraction, drying the aleurone fraction to form a dried aleurone fraction, grinding the dried aleurone fraction to form a ground aleurone fraction, extracting corn fiber oil from the ground aleurone fraction by a way selected from the group consisting of an organic solvent and supercritical fluid extraction, and separating the extracted corn fiber oil from the extraction medium. Also shown is a method of recovering corn aleurone cells from corn fiber involving separating corn fiber from corn kernels by a wet milling process, drying the corn fiber, grinding the dried corn fiber to produce ground corn fiber having a particle size of less than about 100 microns, combining the ground corn fiber with an aqueous solution having a specific gravity effective to float aleurone cells, and removing the floating aleurone fraction.

Methods of preparing corn fiber oil and of recovering corn aleurone cells from corn fiber

A process for recovering corn germ and corn coarse fiber from corn in a dry grind process, involving soaking corn kernels in water to produce soaked corn kernels, grinding the soaked corn kernels to produce a ground corn slurry, and incubating the ground corn slurry with at least one enzyme (amylase(s), protease(s), cell wall degrading enzyme(s), or mixtures thereof, and optionally other enzyme(s)) to increase the specific gravity of the slurry to about 10-about 16 Baume so that the corn germ and corn coarse fiber floats to the top of the slurry, recovering the corn germ and the corn coarse fiber, and optionally producing ethanol from the slurry no longer containing the corn germ and corn coarse fiber. The process does not involve the addition of starch, a salt, a sugar syrup, or mixtures thereof to the slurry.

Processes for recovery of corn germ and optionally corn coarse fiber (pericarp)

A method of removing the hull from corn kernels wherein the method involves exposing the corn kernels to ammonia (e.g., gas-phase anhydrous) under conditions effective to remove the hull from corn kernels.

Method of removing the hull from corn kernels

A method for obtaining starch from maize involving soaking maize kernels in water to produce soaked maize kernels, grinding the soaked maize kernels to produce a ground maize slurry, and incubating the ground maize slurry with enzyme (e.g., protease).

Use of enzymes to reduce steep time and SO2 requirements in a maize wet-milling process

A method of recovering corn coarse fiber by flotation, which features the use of a hydrocyclone, or other separating machinery, in which the specific gravity of the slurry contained therein has been increased to approximately 12-14 Baum&eacute; so that the corn coarse fiber is of a lighter density than the remainder of the slurry. Therefore, the corn coarse fiber can be separated from the remainder of the slurry because it floats to the top of the slurry. If the present pericarp recovery process is added to a modified dry-grind ethanol production line, a high value co-product (the pericarp) is added to the other co-products and the end-product of ethanol, which can all be sold, and the economic efficiency of the plant is increased. More specifically, the present invention provides a process for recovering corn coarse fiber including the steps of: soaking corn in water to loosen the attachments of various grain components therein to each other, degerminating the soaked corn to strip the corn coarse fiber and the germ away from the endosperm, recovering the germ, and recovering the corn coarse fiber by flotation.

Growing community of inventors

Savoy, IL, United States of America

Vijay Singh