ACETIC ACID PRODUCTION FROM BIOMASS PYROLYSIS
Methods are disclosed for producing, from renewable carbon sources, acetic acid in an economical manner. In particular, these methods are directed to the separation and recovery of acetic acid as a substantial product (e.g., as much as 5% by weight or more) of biomass pyrolysis. For a given commerci...
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Main Author | |
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Format | Patent |
Language | English French |
Published |
05.07.2012
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Subjects | |
Online Access | Get full text |
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Summary: | Methods are disclosed for producing, from renewable carbon sources, acetic acid in an economical manner. In particular, these methods are directed to the separation and recovery of acetic acid as a substantial product (e.g., as much as 5% by weight or more) of biomass pyrolysis. For a given commercial biomass pyrolysis unit, the acetic acid yield can represent a significant quantity of that used in a major industrial applications such as purified terephthalic acid (PTA) production. According to some embodiments, pyrolysis conditions and/or flow schemes advantageously improve the recovery of acetic acid for a given purity level.
L'invention concerne des procédés de production, à partir de sources de carbone renouvelables, d'acide acétique d'une manière économique. En particulier, ces procédés concernent la séparation et la récupération d'acide acétique en tant que produit principal (par exemple, jusqu'à 5% en poids ou plus) de pyrolyse de biomasse. Pour une unité de pyrolyse de biomasse commerciale donnée, le rendement en acide acétique peut représenter une quantité significative de celle utilisée dans certaines applications industrielles majeures comme la production d'acide téréphtalique (PTA) purifié. Selon certaines formes de réalisation, les conditions de pyrolyse et/ou les schémas d'écoulement améliorent avantageusement la récupération de l'acide acétique pour un taux de pureté donné. |
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Bibliography: | Application Number: WO2011US64347 |