Water soluble reaction products from ozonolysis of grasses

Morrison, W. H.; Akin, Danny E.

doi:10.1021/jf00093a020

Cited by 21 publications

(9 citation statements)

References 18 publications

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“…They noted the minor significance of this parameter from the point of view of delignification yield and digestibility. The increase in ozone concentration (40,50 and 58 mg/L) in the ozonation of different energy grasses species provided similar delignification and sugar release yields, with no clear tendency [13].…”

Section: Ozone Consumption: Effect Of Ozone Concentration Ozone Flowmentioning

confidence: 95%

“…However, weak acids, mostly acetic, formic and oxalic, are usually present as the principal inhibitors generated from the ozonolysis of biomass. Aromatic aldehyde and acids including p-hydroxybenzaldehyde, vanillin, vanillic acid, caproic acid, azelaic acid and p-hydroxybenzoic acid were also present in oxidation products of p-coumaric and ferulic acids from lignin [8,17,26,50]. Ozonation of wheat straw using 40% moisture 60 L/h air/ozone flow rate, 2.7% ozone concentration, and 2 h pretreatment time generated 4.14 g oxalic acid/100 g dry matter, and 0.98 g acetic acid/100 g dry matter [51].…”

Section: Ozonolysis Generation Of Inhibitory Compoundsmentioning

confidence: 99%

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Ozonolysis

Travaini

Marangon-Jardim

Colodette

et al. 2015

Pretreatment of Biomass

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Section: Ozone Consumption: Effect Of Ozone Concentration Ozone Flowmentioning

confidence: 95%

Section: Ozonolysis Generation Of Inhibitory Compoundsmentioning

confidence: 99%

Ozonolysis

Travaini

Marangon-Jardim

Colodette

et al. 2015

Pretreatment of Biomass

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“…This result may indicate the formation of fermentation inhibitors at this pretreatment level. Previous ozonoloysis work has attributed lower digestibility to production of phenolic aldehydes including vanillin and p-hydroxybenzaldehyde, chemicals known to be toxic to microorganisms (Morrison and Akin, 1990). Xylose yield increased from the 1 to 2% level but not for the 5% level.…”

Section: Resultsmentioning

confidence: 90%

“…Ozone has been found to be as effective as NaOH, but low pH and scale-up difficulties have impeded its widespread application. Ozone's ability to reduce lignin concentration and to improve cell wall degradability has been more recently demonstrated (Neely, 1984;Akin and Morrison, 1988;Morrison and Akin, 1990). While many enzymes formulations are currently marketed to farmers to improve feeding values, relatively little research has been carried out on applying enzymes during ensiling.…”

Section: Introductionmentioning

confidence: 99%

On-farm Pretreatment Technologies for Improving Enzymatic Degradability of Cellulose and Hemicellulose Present in Perennial Grass

Digman¹,

Shinners²,

Dien³

et al. 2007

2007 Minneapolis, Minnesota, June 17-20, 2007

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The authors are solely responsible for the content of this technical presentation. The technical presentation does not necessarily reflect the official position of the American Society of Agricultural and Biological Engineers (ASABE), and its printing and distribution does not constitute an endorsement of views which may be expressed. Technical presentations are not subject to the formal peer review process by ASABE editorial committees; therefore, they are not to be presented as refereed publications. Citation of this work should state that it is from an ASABE meeting paper. EXAMPLE: Author's Last Name, Initials. 2007. Title of Presentation. ASABE Paper No. 07xxxx. St. Joseph, Mich.: ASABE. For information about securing permission to reprint or reproduce a technical presentation, please contact ASABE at

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“…Ozone could attack aromatic rings structure resulting in damage of lignin, by damaging aromatic rings structure and could release other soluble compounds such as acids (acetic, formic, caproic, levulinic, p -hydroxybenzoic, vanillic, and malonic) and aldehydes ( p -hydroxybenzaldehyde, vanillin, and hydroquinone) (Morrison and Akin 1990 ). The degradation occurring in this method was essentially limited to lignin and partially to hemicellulose while cellulose was very little altered.…”

Section: Introductionmentioning

confidence: 99%

Green methods of lignocellulose pretreatment for biorefinery development

Capolupo

Faraco

2016

Appl Microbiol Biotechnol

257

134

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Lignocellulosic biomass is the most abundant, low-cost, bio-renewable resource that holds enormous importance as alternative source for production of biofuels and other biochemicals that can be utilized as building blocks for production of new materials. Enzymatic hydrolysis is an essential step involved in the bioconversion of lignocellulose to produce fermentable monosaccharides. However, to allow the enzymatic hydrolysis, a pretreatment step is needed in order to remove the lignin barrier and break down the crystalline structure of cellulose. The present manuscript is dedicated to reviewing the most commonly applied “green” pretreatment processes used in bioconversion of lignocellulosic biomasses within the “biorefinery” concept. In this frame, the effects of different pretreatment methods on lignocellulosic biomass are described along with an in-depth discussion on the benefits and drawbacks of each method, including generation of potentially inhibitory compounds for enzymatic hydrolysis, effect on cellulose digestibility, and generation of compounds toxic for the environment, and energy and economic demand.

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Water soluble reaction products from ozonolysis of grasses

Cited by 21 publications

References 18 publications

Ozonolysis

Ozonolysis

On-farm Pretreatment Technologies for Improving Enzymatic Degradability of Cellulose and Hemicellulose Present in Perennial Grass

Green methods of lignocellulose pretreatment for biorefinery development

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