Abstract
Production of advanced biofuels from woody and herbaceous feedstocks is moving into commercialization. Biomass needs to be pretreated to overcome the physicochemical properties of biomass that hinder enzyme accessibility, impeding the conversion of the plant cell walls to fermentable sugars. Pretreatment also remains one of the most costly unit operations in the process and among the most critical because it is the source of chemicals that inhibit enzymes and microorganisms and largely determines enzyme loading and sugar yields. Pretreatments are categorized into hydrothermal (aqueous)/chemical, physical, and biological pretreatments, and the mechanistic details of which are briefly outlined in this review. To leverage the synergistic effects of different pretreatment methods, conducting two or more pretreatments consecutively has gained attention. Especially, combining hydrothermal/chemical pretreatment and mechanical refining, a type of physical pretreatment, has the potential to be applied to an industrial plant. Here, the effects of the combined pretreatment (combined hydrothermal/chemical pretreatment and mechanical refining) on energy consumption, physical structure, sugar yields, and enzyme dosage are summarized.
| Original language | English (US) |
|---|---|
| Article number | 97 |
| Journal | Biotechnology for Biofuels |
| Volume | 9 |
| Issue number | 1 |
| DOIs | |
| State | Published - Apr 30 2016 |
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Keywords
- Chemical pretreatment
- Combined pretreatment
- Hydrothermal pretreatment
- Lignocellulosic biofuel
- Mechanical refining
ASJC Scopus subject areas
- Biotechnology
- Applied Microbiology and Biotechnology
- Renewable Energy, Sustainability and the Environment
- Energy(all)
- Management, Monitoring, Policy and Law
Cite this
Promise of combined hydrothermal/chemical and mechanical refining for pretreatment of woody and herbaceous biomass. / Kim, Sun Min; Dien, Bruce S.; Singh, Vijay.
In: Biotechnology for Biofuels, Vol. 9, No. 1, 97, 30.04.2016.Research output: Contribution to journal › Review article
}
TY - JOUR
T1 - Promise of combined hydrothermal/chemical and mechanical refining for pretreatment of woody and herbaceous biomass
AU - Kim, Sun Min
AU - Dien, Bruce S.
AU - Singh, Vijay
PY - 2016/4/30
Y1 - 2016/4/30
N2 - Production of advanced biofuels from woody and herbaceous feedstocks is moving into commercialization. Biomass needs to be pretreated to overcome the physicochemical properties of biomass that hinder enzyme accessibility, impeding the conversion of the plant cell walls to fermentable sugars. Pretreatment also remains one of the most costly unit operations in the process and among the most critical because it is the source of chemicals that inhibit enzymes and microorganisms and largely determines enzyme loading and sugar yields. Pretreatments are categorized into hydrothermal (aqueous)/chemical, physical, and biological pretreatments, and the mechanistic details of which are briefly outlined in this review. To leverage the synergistic effects of different pretreatment methods, conducting two or more pretreatments consecutively has gained attention. Especially, combining hydrothermal/chemical pretreatment and mechanical refining, a type of physical pretreatment, has the potential to be applied to an industrial plant. Here, the effects of the combined pretreatment (combined hydrothermal/chemical pretreatment and mechanical refining) on energy consumption, physical structure, sugar yields, and enzyme dosage are summarized.
AB - Production of advanced biofuels from woody and herbaceous feedstocks is moving into commercialization. Biomass needs to be pretreated to overcome the physicochemical properties of biomass that hinder enzyme accessibility, impeding the conversion of the plant cell walls to fermentable sugars. Pretreatment also remains one of the most costly unit operations in the process and among the most critical because it is the source of chemicals that inhibit enzymes and microorganisms and largely determines enzyme loading and sugar yields. Pretreatments are categorized into hydrothermal (aqueous)/chemical, physical, and biological pretreatments, and the mechanistic details of which are briefly outlined in this review. To leverage the synergistic effects of different pretreatment methods, conducting two or more pretreatments consecutively has gained attention. Especially, combining hydrothermal/chemical pretreatment and mechanical refining, a type of physical pretreatment, has the potential to be applied to an industrial plant. Here, the effects of the combined pretreatment (combined hydrothermal/chemical pretreatment and mechanical refining) on energy consumption, physical structure, sugar yields, and enzyme dosage are summarized.
KW - Chemical pretreatment
KW - Combined pretreatment
KW - Hydrothermal pretreatment
KW - Lignocellulosic biofuel
KW - Mechanical refining
UR - http://www.scopus.com/inward/record.url?scp=84992212795&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84992212795&partnerID=8YFLogxK
U2 - 10.1186/s13068-016-0505-2
DO - 10.1186/s13068-016-0505-2
M3 - Review article
AN - SCOPUS:84992212795
VL - 9
JO - Biotechnology for Biofuels
JF - Biotechnology for Biofuels
SN - 1754-6834
IS - 1
M1 - 97
ER -