PRE-HYDROLYSIS OF THE PHENYL GLYCOSIDIC BOND IN A MODEL COMPOUND : Simulation of cleavage in lignin-carbohydrate bond using model compound, phenyl- -D-glucopyranoside
Language: English
Published by VDM Verlag Dr. Müller, 2009
- Softcover
- New
Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH
AbeBooks seller since August 14, 2006
Condition: New
£ 47.67
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nach der Bestellung gedruckt Neuware - Printed after ordering - The pre-hydrolysis conditions were chosen to simulate different pretreatment methods such as auto hydrolysis, green liquor pretreatment and acid hydrolysis. It was found that hydrolysis of the phenyl-glucoside model compound at near neutral aqueous conditions (pH 6) was minimal (4 %) at 170°C. On the other hand hydrolysis was nearly complete (95 %) at this temperature with the addition of acetic acid at a concentration expected to be generated from deacetylation of xylan in hardwoods(about 10 g/L). At acid conditions of pH 1.65 the temperature may be lowered to 105 or 121 °C while still obtaining a significant (80-90 %) hydrolysis yield.The hydrolysis experiments performed simulating green liquor extraction showed as previously reported that the hydrolysis of phenyl-glucoside produces phenol and levoglucosan while no glucose is formed.The result showed that hydrolysis of the phenyl-glucoside at 155 °C was essentially complete with quantitative formation of levoglucosan and phenol rather than glucose and phenol.…
Seller Inventory # 9783639193169
- Title
- PRE-HYDROLYSIS OF THE PHENYL GLYCOSIDIC BOND IN A MODEL COMPOUND : Simulation of cleavage in lignin-carbohydrate bond using model compound, phenyl- -D-glucopyranoside
- Author
- Sagar Deshpande
- Publisher
- VDM Verlag Dr. Müller
- Publication year
- 2009
- Condition
- Neu
- Binding
- Taschenbuch
- Language
- English
- ISBN 10
- 3639193164
- ISBN 13
- 9783639193169
- Item weight
- 130 grams
- Dimensions
- 220x176x33 mm
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