Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 83 for “"Grind"”.
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Grind, Mash, Distill
There never comes a point at which we can declare any building "finished", and never touch it again; if we were to do this it would signal a sad sort of death and the end of the building's use, because it is by a continual process of revision that they fulfill our ever-changing needs and tastes. …
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Increasing dry grind ethanol yield through fiber pretreatment after liquefaction
… (db), respectively. In the conventional dry grind process, starch is converted to ethanol; whereas, corn fiber remains unconverted. Corn fiber contains 12 to 18% cellulose and 11 to 23% starch which can be hydrolyzed and fermented into ethanol. Conversion of corn fiber into ethanol would lead …
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Effects of corn quality and storage on dry grind ethanol production
Corn dry grind industry is the major contributor of ethanol production in the US. Ethanol plants incur economic losses due to seasonal variations in ethanol yields. Ethanol yields typically are low during the first month after harvest, increase for the next six to seven months and decrease again …
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Factors Affecting Starch Conversion to Ethanol in Dry Grind Corn Process
… concentration and corn starch content in dry grind corn process. Effect of amylose:amylopectin ratios and resistant starch in corn starch on ethanol concentration was evaluated with four enzyme treatments operating at varying temperature and pH liquefaction conditions. Final ethanol …
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Decision Making in Dry-Grind Ethanol Industry Using Near-Infrared Spectroscopy
Calibration on the FT-NIR spectrometer for total soluble sugars predicted fermentation samples with a RMSEP of 0.87% w/v and RPD of 8.7. Total soluble sugar ranged from 0.4 to 22.2% w/v. Thus, in order to observe the effect of treatment on total soluble sugars, the difference between total soluble …
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Protein enhancement of DDGS from conventional and enzymatic dry grind processes
Conventional and enzymatic (E-Mill) dry grind processes were used to produce distillers dried grains with solubles (DDGS). In the conventional process, slurry used whole ground corn and fermented. In the E-Mill process, germ and pericarp fiber were recovered prior to fermentation. Protein …
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Enzymatic and process technologies to increase corn dry grind slurry solids
In conventional dry grind process, high glucose concentrations (>15% w/w) and liquefaction viscosities restrict slurry solids contents to 30 to 32% w/w. High slurry solids fermentations (above 33%) are important in reducing energy costs; decreased water input results in less evaporation, …
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Development of a Controller for Fermentation in the Dry Grind Corn Process
… of the optimal controller in conventional dry grind ethanol processes can result in estimated cost savings up to $1 million for a 151 million L/yr (40 million gal/yr) dry grind plant.
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Enzymatic Enhancement of Water Removal In the Dry Grind Corn to Ethanol Process
The removal of water from coproducts in the fuel ethanol process requires a significant energy input. The drying of the coproducts is responsible for as much as 32% of the total utilities cost of the process. In this study, improvements in the energy and water balances of the corn to ethanol …
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"""to Grind the Faces of the Poor"": Journeymen for Jesus in Jacksonian Baltimore"
Embargo set by: Seth Robbins for item 72496 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs
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Characterization of zein extracted from beer solids, a coproduct of dry-grind ethanol
… Distillers’ wet grains (DWG) a coproduct of dry grind ethanol contain about 40% (db) protein, where 50% of the protein is zein. Attempts to extract zein from coproducts have been limited to distillers’ dried grains with solubles (DDGS), but products from this process have not been fully …
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Applications of alpha-amylase corn in the dry grind process for fuel ethanol production
Dry grind processing for fuel ethanol production from corn faces obstacles that limit profitability and sustainability. High temperatures required for liquefaction demand large thermal energy inputs and produce slurries with high final viscosities. These viscosity values increase power consumed by …
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Analysis of Heat Transfer Fouling by Thin Stillage From Dry Grind Corn Processing Facilities
… fouling by thin stillage from a commercial dry grind corn (DGC) process used to produce ethanol from corn. Thin stillage is a DGC process stream consisting primarily of unfermented dissolved solids that are concentrated by evaporators to produce an animal food. Evaporator fouling is costly in …
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Characterization of amylose lipid complexes and their effect on the corn dry grind process
The dry grind process is the most commonly used method for production of corn ethanol. Ethanol from corn is the biggest contributor to bioethanol produced in the US. In this study, effects of different parameters such as liquefaction temperature, solids content and particle size on formation of …
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Engineering economic analysis of the quick-germ/quick-fiber modified dry grind ethanol fractionation process
… corn-to-ethanol production, several modified dry grind processes had been developed at the lab scale. The Quick-germ / Quick-fiber (QQ) process is one of them. However, there has been no analysis of the QQ process that provides detailed information related to the energy, water, and economic …
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Technical and economic viability of value added product recovery in the corn dry grind ethanol process
… ethanol is the primary product of the corn dry grind ethanol process, other coproducts in the dry grind process also contribute to sustainability. However, low coproduct value is responsible for high dependence of plant profitability on ethanol revenue. Improving coproduct value and recovering …
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Ανάπτυξη μεθοδολογίας υπολογισμού της κατανομής και του βάθους διείσδυσης σκλήρυνσης λόγω διεργασίας σκλήρυνσης μέσω λείανσης (grind - hardening)
… το οποίο έχει υποστεί Σκλήρυνση μέσω Λείανσης (Grind-Hardening). Η διεργασία Σκλήρυνσης μέσω Λείανσης είναι μία νέα επιφανειακή θερμική κατεργασία η οποία χρησιμοποιεί την θερμότητα που αναπτύσσεται στην ζώνη λείανσης για την θερμική κατεργασία του κομματιού. Η παρούσα διατριβή επικεντρώνεται …
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Comparison of fermentation characteristics between colored corn and yellow dent corn using two dry grind process methods
In dry grind ethanol plant, distillers dried grains with solubles (DDGS) is the primary coproduct which is used mainly in ruminant animal diets. Increasing market demand for coproduct in dry grind process is needed. One way is to use corn rich in anthocyanin content as feedstock. Anthocyanin …
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Evaluating the potential of phosphorous recovery from wet milling and dry grind corn facilities using chemical precipitation
Phosphorous (P) flows plays a vital role in defining the sustainability of Food-Energy-Water nexus related to crop production, animal production, water pollution, resource recycling, and energy flows. Majority of domestic ethanol production in United States uses corn as its raw material. The …
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