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Chemical Pretreatment Methods for the Production of Cellulosic Ethanol : Technologies and Innovations
Joint Authors
Bensah, Edem Cudjoe
Mensah, Moses
Source
International Journal of Chemical Engineering
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-21, 21 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-10-10
Country of Publication
Egypt
No. of Pages
21
Main Subjects
Engineering Sciences and Information Technology
Abstract EN
Pretreatment of lignocellulose has received considerable research globally due to its influence on the technical, economic and environmental sustainability of cellulosic ethanol production.
Some of the most promising pretreatment methods require the application of chemicals such as acids, alkali, salts, oxidants, and solvents.
Thus, advances in research have enabled the development and integration of chemical-based pretreatment into proprietary ethanol production technologies in several pilot and demonstration plants globally, with potential to scale-up to commercial levels.
This paper reviews known and emerging chemical pretreatment methods, highlighting recent findings and process innovations developed to offset inherent challenges via a range of interventions, notably, the combination of chemical pretreatment with other methods to improve carbohydrate preservation, reduce formation of degradation products, achieve high sugar yields at mild reaction conditions, reduce solvent loads and enzyme dose, reduce waste generation, and improve recovery of biomass components in pure forms.
The use of chemicals such as ionic liquids, NMMO, and sulphite are promising once challenges in solvent recovery are overcome.
For developing countries, alkali-based methods are relatively easy to deploy in decentralized, low-tech systems owing to advantages such as the requirement of simple reactors and the ease of operation.
American Psychological Association (APA)
Bensah, Edem Cudjoe& Mensah, Moses. 2013. Chemical Pretreatment Methods for the Production of Cellulosic Ethanol : Technologies and Innovations. International Journal of Chemical Engineering،Vol. 2013, no. 2013, pp.1-21.
https://search.emarefa.net/detail/BIM-493187
Modern Language Association (MLA)
Bensah, Edem Cudjoe& Mensah, Moses. Chemical Pretreatment Methods for the Production of Cellulosic Ethanol : Technologies and Innovations. International Journal of Chemical Engineering No. 2013 (2013), pp.1-21.
https://search.emarefa.net/detail/BIM-493187
American Medical Association (AMA)
Bensah, Edem Cudjoe& Mensah, Moses. Chemical Pretreatment Methods for the Production of Cellulosic Ethanol : Technologies and Innovations. International Journal of Chemical Engineering. 2013. Vol. 2013, no. 2013, pp.1-21.
https://search.emarefa.net/detail/BIM-493187
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-493187