The effect of condensed distillers solubles on the physical and chemical properties of maize distillers dried grains with solubles (DDGS) using bench scale experiments

Probst, Kyle V.; Ileleji, Klein E.; Ambrose, R. P. Kingsly; Clementson, Clairmont L.; Garcia, Arnoldo A.; Ogden, Cedric A.

doi:10.1016/j.biosystemseng.2012.10.007

Cited by 11 publications

(6 citation statements)

References 17 publications

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“…The fiber content in sources 2, 4, and 5 were lower than in sources 1 and 3. The above results agree with several published studies that DDGS would become lighter in color, and AA increased while fat decreased as the CDS content added to WDG reduced; the reason being that CDS contain more fat and total soluble sugars but less fiber than WDG ( Kingsly and Ileleji, 2009 ; Kingsly et al, 2010 ; Probst et al, 2013 ). CDS contains more minerals than WDG ( Jacela et al, 2011 ), therefore the concentrations of P and ash in sources 2, 4, and 5 were greater than sources 1 and 3, respectively.…”

Section: Discussionsupporting

confidence: 92%

Effect of Different Inclusion Level of Condensed Distillers Solubles Ratios and Oil Content on Amino Acid Digestibility of Corn Distillers Dried Grains with Solubles in Growing Pigs

Li¹,

Xu²,

Zhang³

et al. 2014

Asian Australas. J. Anim. Sci

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The purpose of this experiment was to determine and compare the digestibility of crude protein (CP) and amino acids (AA) in full-oil (no oil extracted) and de-oiled (oil extracted) corn distillers dried grains with solubles (DDGS) with different condensed distillers solubles (CDS) ratios. Six barrows (29.6±2.3 kg) fitted with ileal T-cannula were allotted into a 6×6 Latin square design. Each period was comprised of a 5-d adaption period followed by a 2-d collection of ileal digesta. The five test diets contained 62% DDGS as the sole source of AA. A nitrogen-free diet was used to measure the basal endogenous losses of CP and AA. Chromic oxide (0.3%) was used as an index in each diet. The results showed that CP and AA were very similar in 5 DDGS, but the standardized ileal digestibility (SID) of lysine (from 56.16% to 71.15%) and tryptophan (from 54.90% to 68.38%) had the lowest values and largest variation within the essential AA, which suggests reduced availability of AA and different levels of Maillard reactions in the five DDGS. The apparent ileal digestibility and SID of CP and most of AA in full-oil DDGS (sources 1 and 2) were greater (p<0.05) than de-oiled DDGS (sources 3, 4, and 5). Comparing the AA SID in the 5 DDGS, full-oil with low CDS ratio DDGS (source 1) had non-significantly higher values (p >0.05) than full-oil with high CDS ratio DDGS (source 2); however, the SID of most AA of de-oiled with low CDS ratios DDGS (source 3) were non-significantly lower (p>0.05) than de-oiled with high CDS ratio DDGS (source 4); and the de-oiled DDGS with middle CDS ratio (source 5) but with different drying processing had the lowest SID AA values. In conclusion, de-oiled DDGS had lower SID of CP and AA than full-oil DDGS; a higher CDS ratio tended to decrease the SID of AA in full-oil DDGS but not in de-oiled DDGS; and compared with CDS ratio, processing, especially drying, may have more of an effect on AA digestibility of DDGS.

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Section: Discussionsupporting

confidence: 92%

Effect of Different Inclusion Level of Condensed Distillers Solubles Ratios and Oil Content on Amino Acid Digestibility of Corn Distillers Dried Grains with Solubles in Growing Pigs

Li¹,

Xu²,

Zhang³

et al. 2014

Asian Australas. J. Anim. Sci

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“…This circumstance affects the ecological situation in the regions. In a series of works [1][2][3], authors proposed to concentrate the thin stillage in tube evaporators. This method increases the energy costs and the cost of the final product in DDGS (dried distilleries grains with solubles) technology.…”

Section: Introductionmentioning

confidence: 99%

Technological measures to improve the environmental friendliness of alcohol industry enterprises

Novikova

Muravev

Agafonov

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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The article concerns technological measures to improve the environmental friendliness of food industry enterprises: in particular, aspects of processing waste from the alcohol industry with further use in agriculture (in animal feed). It is important to use methods to optimize the feeding of farm animals, allowing one to involve feed resources that do not have a harmful effect on health and productivity, while significantly reducing the consumption of grain components. This resource is dry distillery grains, which is a waste product of distillery production. Technologies of distillery bard processing include its evaporation with further drying. The main waste at the ethanol plant is whole stillage. It is centrifuged to separate thin stillage from wet grains. Thin stillage contains 5-10% of solids. For reducing energy consumption during the concentration process, it is possible to use a direct contact evaporator (bubbling evaporator). In this article, the bubbling evaporator design was developed. To justify the size of the evaporator, the temperature difference profile along the column length was determined. It is less than 1 and remains constant, which determines the high efficiency of heat transfer. The most effective parameters of the evaporation process according to moisture removal are a gas flow rate of 1.3–1.5 m3/h, air temperature of 400±15. Work results can be used in the design of scalable systems for thin stillage processing and applicable in medium-sized ethanol plants.

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“…Almost all published research either examines DDGS that has been produced commercially, or within a laboratory setting, and generally does not consider the impacts of processing conditions upon the resulting DDGS. Probst et al (2013) and Kingsly et al (2010) examined the impact of adding condensed distillers solubles and drying operations on the resulting chemical and physical properties of DDGS. But neither were comprehensive vis-à-vis flowability properties nor both upsteam as well as downstream plant operations.…”

Section: Introductionmentioning

confidence: 99%

Impacts of Ethanol Production and Drying Conditions on the Chemical, Physical, and Flowability Properties of Distillers Dried Grains With Solubles

Rosentrater

Zhang²,

Wrenn³

2021

Front. Bioeng. Biotechnol.

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The production of corn-based ethanol in the U.S. has dramatically increasied in recent years, and consequently so has the quantity of coproduct feed ingredients generated from this segment of the grain processing industry. These streams are almost exclusively utilized as livestock feed, which partially offsets the need for corn in feed rations, but other value-added applications do exist. Because of its use as an animal feed, considerable research has been conducted into the nutritional properties, but to a lesser extent the physical and flowability properties of commercially-produced distillers dried grains with solubles (DDGS). There can be occasions when the quality of coproducts is not consistent. Thus questions regarding the influence of processing operations on the resulting coproduct characteristics must be examined. The objective of this research was to conduct extensive physical and flowability property analyses on DDGS samples which were produced under varying conditions in a pilot plant-scale ethanol plant, in order to investigate the effects of various manufacturing operations (specifically ethanol production and drying conditions) on the resulting properties of the DDGS. Using various laboratory methods, a variety of properties, including bulk density and angle of repose, were determined. DDGS fat content was highly correlated with aerated and packed bulk densities, which indicates that fat level plays a key role in flowability behavior. Future studies should examine this potential relationship in more depth, especially as the industry has moved to fat reduction via oil separation processes.

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The effect of condensed distillers solubles on the physical and chemical properties of maize distillers dried grains with solubles (DDGS) using bench scale experiments

Cited by 11 publications

References 17 publications

Effect of Different Inclusion Level of Condensed Distillers Solubles Ratios and Oil Content on Amino Acid Digestibility of Corn Distillers Dried Grains with Solubles in Growing Pigs

Effect of Different Inclusion Level of Condensed Distillers Solubles Ratios and Oil Content on Amino Acid Digestibility of Corn Distillers Dried Grains with Solubles in Growing Pigs

Technological measures to improve the environmental friendliness of alcohol industry enterprises

Impacts of Ethanol Production and Drying Conditions on the Chemical, Physical, and Flowability Properties of Distillers Dried Grains With Solubles

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