US 2025/0151759 A1 · METHOD AND SYSTEM FOR PRODUCING A PROTEIN AND FIBER FEED PRODUCT FROM A WHOLE STILLAGE BYPRODUCT PRODUCED IN A CORN DRY MILLING PROCESS

Abstract

A method and system are disclosed for producing a protein and fiber feed product from a whole stillage byproduct produced in a corn dry milling process for making alcohol, such as ethanol, and/or other biofuels/biochemicals. In one embodiment, the method includes separating the whole stillage byproduct into an insoluble solids portion and a centrate (solubles) portion. Thereafter, a fine fiber and protein portion may be separated from the centrate (solubles) portion. The fine fiber and protein portion may be dewatered to provide a protein and fiber feed product. In one example, the protein and fiber feed product can include insoluble solids, such as wet or dry distiller's grains with or without solubles. The resulting protein and fiber feed product may be sold and/or used as rumen feed, swine feed, chicken feed, aqua feed, food uses, or have other uses, including pharmaceutical and/or chemical usage, for example.

Claims29

Dependent claims

A method for producing grain meal from a whole stillage comprising:

separating the whole stillage byproduct into an insoluble solids portion and a solubles portion, including fine fiber and protein;
filtering out the fine fiber and protein from the solubles portion, via a screen with openings, to define a fine fiber and protein portion and a remaining solubles portion, including remaining protein;
thereafter, adding residual protein, which is received from a later step in the method, to the remaining solubles portion, and separating the remaining solubles portion into a protein portion, including the remaining and residual protein, and a water soluble solids portion, wherein the protein portion is not subsequently subjected to an evaporator;
filtering out residual protein from the water soluble solids portion, wherein the residual protein defines the residual protein received from the later step in the method;
and
drying the protein portion to define a grain meal.

3 more elements

A system for producing grain meal from a whole stillage comprising:

a first apparatus that receives the whole stillage byproduct and separates the whole stillage byproduct into an insoluble solids portion and a solubles portion, including fine fiber and protein,
a first filtration device that is situated after the first apparatus and that receives the solubles portion, the first filtration device filters out the fine fiber and protein from the solubles portion to define a fine fiber and protein portion and a remaining solubles portion, including remaining protein;
a second apparatus that is situated after the first filtration device and that receives the remaining solubles portion and residual protein, which is added to the remaining solubles portion from a later apparatus in the system, the second apparatus configured to separate the remaining solubles portion into a protein portion, including the remaining and residual protein, and a water soluble solids portion, wherein the protein portion is not subsequently subjected to an evaporator;
a second filtration device that is situated after the second apparatus and that receives the water soluble solids portion, the second filtration device filters out residual protein from the water soluble solids portion, wherein the residual protein defines the residual protein that is added to the remaining solubles portion from the later apparatus in the system;
and
a first drying device that is situated after the second apparatus and that receives and dries the protein portion to define a grain meal.

3 more elements

Dependencies are inferred from the claim text.

Method and system for producing a protein and fiber feed product from a whole stillage byproduct produced in a corn dry milling process

Life of this patent

Method and system for producing a protein and fiber feed product from a whole stillage byproduct produced in a corn dry milling process

Life of this patent

Abstract

Claims29