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Bioethanol production from bamboo (Dendrocalamus sp.) process waste

Kuttiraja, Mathiyazhakan ; Sindhu, Raveendran ; Varghese, Preeti Elizabeth ; Sandhya, Soolankandath Variem ; Binod, Parameswaran ; Vani, Sankar ; Pandey, Ashok ; Sukumaran, Rajeev Kumar

Biomass & bioenergy, 2013-12, Vol.59, p.142-150 [Periódico revisado por pares]

Kidlington: Elsevier Ltd

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Título:
Bioethanol production from bamboo (Dendrocalamus sp.) process waste
Autor: Kuttiraja, Mathiyazhakan ; Sindhu, Raveendran ; Varghese, Preeti Elizabeth ; Sandhya, Soolankandath Variem ; Binod, Parameswaran ; Vani, Sankar ; Pandey, Ashok ; Sukumaran, Rajeev Kumar
Assuntos: Alcohols: methanol, ethanol, etc ; alkali treatment ; Alternative fuels. Production and utilization ; Applied sciences ; Bamboo ; bamboos ; bioenergy ; Bioethanol ; Biofuel production ; Biological and medical sciences ; biomass ; Biomass conversion ; Biotechnology ; byproducts ; cellulose ; Dendrocalamus ; Energy ; ethanol ; ethanol production ; Exact sciences and technology ; feedstocks ; fermentation ; Fuels ; Fundamental and applied biological sciences. Psychology ; hydrolysates ; hydrolysis ; Industrial applications and implications. Economical aspects ; industry ; lignin ; plant growth ; Pretreatment ; response surface methodology ; Saccharification ; sugars ; tropics ; wastes
É parte de: Biomass & bioenergy, 2013-12, Vol.59, p.142-150
Notas: http://dx.doi.org/10.1016/j.biombioe.2013.10.015
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Descrição: Bamboo as a feed stock for bioethanol production is interesting due to the relatively higher growth rate of these plants and their abundant and sustainable availability in the tropics. Dendrocalamus are bamboo varieties common in India, of which large amounts of biomass is generated annually as byproducts of bamboo processing industries. In the current study, process waste from bamboo industry was evaluated as a feedstock for bioethanol production by enzymatic saccharification. Dilute alkali pretreatment of the biomass resulted in efficient removal of lignin, effectively increasing the concentration of cellulose to 63.1% from 46.7%. Enzymatic saccharification of pretreated biomass was optimized following a response surface methodology and the optimal set of parameters for maximal saccharification was derived. Pretreatment method could recover 64.31% of the total sugar polymers and a hydrolysis efficiency of 82.36% was achieved. Direct fermentation of the enzymatic hydrolysate was efficient with ethanol production being 71.34% of theoretical maximum (3.08% v/v ethanol yield). Material balances were calculated for the entire process from raw biomass to ethanol and the overall process efficiency was found to be ∼43%. The process has the potential to generate 143 L of ethanol per dry ton of bamboo process waste. •Dilute alkali pretreatment effective for bamboo with 63.1% cellulose attained.•Achieved 82% efficiency in hydrolysis of pretreated bamboo biomass.•Achieved 71% efficiency in alcohol fermentation using bamboo biomass hydrolysate.•Process efficiency of 43%, Potential for generating 143 L of ethanol/ton bamboo.
Editor: Kidlington: Elsevier Ltd
Idioma: Inglês

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Bioethanol production from bamboo (Dendrocalamus sp.) process waste

Kuttiraja, Mathiyazhakan ; Sindhu, Raveendran ; Varghese, Preeti Elizabeth ; Sandhya, Soolankandath Variem ; Binod, Parameswaran ; Vani, Sankar ; Pandey, Ashok ; Sukumaran, Rajeev Kumar

Kidlington: Elsevier Ltd

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