Water solubilization of DDGS via derivatization with phosphite esters

Oshel, Reed E.; Nandakumar, M. V.; Urgaonkar, Sameer; Hendricker, David G.; Verkade, John G.

doi:10.1016/j.biortech.2007.09.036

Cited by 2 publications

(1 citation statement)

References 46 publications

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“…Again, hydrolysis during pretreatment is minimized (Kim et al, 2008c). Phosphitylation of DDGS results in some hydrolysis, but also yields a water soluble mixture of oligosaccharides and other components (Oshel et al, 2008).…”

Section: Synopsis Of Key Findingsmentioning

confidence: 99%

Cellulose conversion in dry grind ethanol plants

Ladisch

Dale

Tyner

et al. 2008

Bioresource Technology

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The expansion of the dry grind ethanol industry provides a unique opportunity to introduce cellulose conversion technology to existing grain to ethanol plants, while enhancing ethanol yields by up to 14%, and decreasing the volume while increasing protein content of distiller's grains. The technologies required are cellulose pretreatment, enzyme hydrolysis, fermentation, and drying. Laboratory data combined with compositional analysis and process simulations are used to present a comparative analysis of a dry grind process to a process with pretreatment and hydrolysis of cellulose in distiller's grains. The additional processing steps are projected to give a 32% increase in net present value if process modifications are made to a 100 million gallon/year plant.

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Section: Synopsis Of Key Findingsmentioning

confidence: 99%

Cellulose conversion in dry grind ethanol plants

Ladisch

Dale

Tyner

et al. 2008

Bioresource Technology

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Utilization of selected biorenewable resources: solubilization of lignocellulosics and conjugation of soybean oil

Oshel

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In recent years, concern has risen over the use of fossil fuels due to their contribution to global warming, and to our dependence on imports of petroleum from nations that could pose a threat to national security. As a result, it has become increasingly important to develop technologies to replace fossil fuel based products with biorenewable alternatives. In this thesis nearly quantitative solubilization of lignocellulosic materials using phosphite esters has been realized, and is presented as a potential pretreatment for production of fermentable sugars for use in manufacturing commodity chemicals, specifically ethanol. Water solubilization of lignocellulosics using phosphite esters will enhance digestibility by disrupting the lignocellulose structure, changing cellulose morphology, and cleaving some glycosidic bonds. In a second project, soybean oil, which contains un-conjugated polyunsaturated fatty acid esters, is isomerized into oil containing conjugated polyunsaturates. The process is carried out under photochemical conditions using iodine as a catalyst in a hexanes solution to achieve 99% conjugation. The resulting conjugated soybean oil is demonstrated to have enhanced drying properties for use in alkyd resins.

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Water solubilization of DDGS via derivatization with phosphite esters

Cited by 2 publications

References 46 publications

Cellulose conversion in dry grind ethanol plants

Cellulose conversion in dry grind ethanol plants

Utilization of selected biorenewable resources: solubilization of lignocellulosics and conjugation of soybean oil

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