Publication: Effect of organic acid pretreatment of water hyacinth on enzymatic hydrolysis and biogas and bioethanol production
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Issued Date
2019
Resource Type
File Type
application/pdf
ISSN
17551307
Other identifier(s)
2-s2.0-85074632884
Rights Holder(s)
Scopus
Bibliographic Citation
IOP Conference Series: Earth and Environmental Science. Vol 346, No.1 (2019)
Suggested Citation
Tantayotai P., Mutrakulchareon P., Tawai A., Roddecha S., Sriariyanun M. Effect of organic acid pretreatment of water hyacinth on enzymatic hydrolysis and biogas and bioethanol production. IOP Conference Series: Earth and Environmental Science. Vol 346, No.1 (2019). doi:10.1088/1755-1315/346/1/012004 Retrieved from: https://hdl.handle.net/20.500.14740/5116
Abstract
Due to rapid growth and uncontrolled spreading of water hyacinth in aquatic natural and urban niches, the conversion of this weed to value-added chemicals and biofuels leads to the reduction of pollution and greenhouse effect. The rate-limiting step of the conversion process is hydrolysis reaction of lignocellulosic biomass to sugars, which are subsequently converted to biochemicals and biofuels. To improve the enzymatic hydrolysis efficiency of water hyacinth, the organic acid pretreatments were conducted in this study by using two types of organic acids, including oxalic acid and citric acid. The pretreatment parameters, including pretreatment time, pretreatment temperature, and acid concentration were optimized by using Response Surface Methodology (RSM) based on Box-Behnken design. The highest reducing sugar concentration at 66.92 mg/100 mg-biomass was obtained when using oxalic acid pretreatment. The effects of organic acids on biogas and bioethanol production were observed compared to unpretreated water hyacinth. The biogas and bioethanol yields were increased for 75.61% and 23.26% when using citric acid and oxalic acid pretreatment, respectively. The improvement of biofuel production from water hyacinth by organic acid pretreatment suggested the possibility to applications and solutions in biorefinery industry and environmental situation. © Published under licence by IOP Publishing Ltd.
Subject(s)
Agriculture
Bioethanol
Biogas
Cellulosic ethanol
Citric acid
Enzymatic hydrolysis
Ethanol
Greenhouse effect
Urban growth
Water pollution
Bio-ethanol production
Hydrolysis reaction
Lignocellulosic biomass
Pretreatment temperature
Rate-limiting steps
Reduction of pollutions
Response surface methodology
Value-added chemicals
Oxalic acid
Bioethanol
Biogas
Cellulosic ethanol
Citric acid
Enzymatic hydrolysis
Ethanol
Greenhouse effect
Urban growth
Water pollution
Bio-ethanol production
Hydrolysis reaction
Lignocellulosic biomass
Pretreatment temperature
Rate-limiting steps
Reduction of pollutions
Response surface methodology
Value-added chemicals
Oxalic acid