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Enhancement of ethanol production from spruce wood chips by ionic liquid pretreatment
Shafiei, Marzieh; Zilouei, Hamid; Zamani, Akram; … - In: Applied Energy 102 (2013) C, pp. 163-169
Pretreatment with three green cellulose solvents, N-methylmorpholine-N-oxide (NMMO), 1-ethyl-3-methylimidazolium … pretreatments, the pretreated materials were subjected to enzymatic hydrolysis at 45°C for 72h, followed by fermentation with … Saccharomyces cerevisiae at 32°C for 24h. The best results were obtained from 15h pretreatment with [EMIM][OAc]. The ethanol yield …
Persistent link: https://www.econbiz.de/10011041212
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Pretreatment of Laminaria japonica for bioethanol production with extremely low acid concentration
Lee, Ji Ye; Kim, Young Soo; Um, Byung Hwan; Oh, KyeongKeun - In: Renewable Energy 54 (2013) C, pp. 196-200
The conversion of cellulose hydrolysis was investigated in batch reactors from brown macro-algae under extremely low … acid (ELA) pretreatment conditions. The brown macro-algae of Laminaria japonica were conducted for increasing glucan … content as an aqua-biomass feedstock. The investigated ELA pretreatment conditions in this study were as follows; the reaction …
Persistent link: https://www.econbiz.de/10011044551
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Algae as promising feedstocks for fermentative biohydrogen production according to a biorefinery approach: A comprehensive review
Sambusiti, Cecilia; Bellucci, Micol; Zabaniotou, Anastasia - In: Renewable and Sustainable Energy Reviews 44 (2015) C, pp. 20-36
Interest is growing in the production of biohydrogen from algae through dark fermentation, as alternative to fossil fuels. However, one of the limiting steps of biohydrogen production is the conversion of polymeric carbohydrates into monomeric sugars. Thus, physical, chemical and biological...
Persistent link: https://www.econbiz.de/10011190262
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Biogas production from algal biomass: A review
Montingelli, M.E.; Tedesco, S.; Olabi, A.G. - In: Renewable and Sustainable Energy Reviews 43 (2015) C, pp. 961-972
the need for energy-intensive pretreatment and compatibility with biorefinery approach implementation. However, some …
Persistent link: https://www.econbiz.de/10011190553
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Physicochemical characterization of alkali pretreated sugarcane tops and optimization of enzymatic saccharification using response surface methodology
Sindhu, Raveendran; Kuttiraja, Mathiyazhakan; Binod, … - In: Renewable Energy 62 (2014) C, pp. 362-368
Alkali pretreatment of sugarcane tops was carried out with 3% NaOH for 60 min at 121 °C in a laboratory autoclave. The … studied using a response surface method according to Box–Behnken design. Under optimized conditions 77.5% sugar was recovered … substantial amount of lignin (90%) was removed by this pretreatment method. Physicochemical characterization of native and alkali …
Persistent link: https://www.econbiz.de/10011044013
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Thermodynamic properties and thermal stability of ionic liquid-based nanofluids containing graphene as advanced heat transfer fluids for medium-to-high-temperature applications
Liu, Jian; Wang, Fuxian; Zhang, Long; Fang, Xiaoming; … - In: Renewable Energy 63 (2014) C, pp. 519-523
Here the experimental technique for measuring the thermal conductivity of nanofluids at the temperatures above 100 °C has been developed, and a systematic research on the thermodynamic properties including thermal conductivity, viscosity, specific heat and density, of the graphene-dispersed...
Persistent link: https://www.econbiz.de/10011044318
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An overview of ionic liquids as solvents in biodiesel synthesis
Fauzi, Mohammad; Hafiidz, Ahmad; Amin, Nor Aishah Saidina - In: Renewable and Sustainable Energy Reviews 16 (2012) 8, pp. 5770-5786
Transesterification is the most common method for producing biodiesel. Known as a suitable substitute to diesel fuel, the synthesis involves renewable sources as feedstock. Application of both organic and inorganic solvents in biodiesel production has been widely established. However, as the...
Persistent link: https://www.econbiz.de/10011049368
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Graphene based all-solid-state supercapacitors with ionic liquid incorporated polyacrylonitrile electrolyte
Tamilarasan, P.; Ramaprabhu, S. - In: Energy 51 (2013) C, pp. 374-381
Herein, we report, the fabrication of a mechanically stable, flexible graphene based all-solid-state supercapacitor with ionic liquid incorporated polyacrylonitrile (PAN/[BMIM][TFSI]) electrolyte for electric vehicles (EVs). The PAN/[BMIM][TFSI] electrolyte shows high ionic conductivity...
Persistent link: https://www.econbiz.de/10011055026
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Thermodynamic analysis of an absorption refrigeration system with ionic-liquid/refrigerant mixture as a working fluid
Kim, Yoon Jo; Kim, Sarah; Joshi, Yogendra K.; Fedorov, … - In: Energy 44 (2012) 1, pp. 1005-1016
Thermodynamics of an ionic-liquid (IL) based absorption refrigeration system has been numerically analyzed. It provides an alternative to the normally toxic working fluids, such as the ammonia in conventional absorption systems. The use of ILs also eliminates crystallization and...
Persistent link: https://www.econbiz.de/10011055693
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Use of Span 80 and Tween 80 for blending gasoline and alcohol in spark ignition engines
Kassem, Mohamed G. A.; Ahmed, Abdel-Moneim M.; … - In: Energy Reports 5 (2019), pp. 221-230
. They were: 10% denatured (DN) ethanol mixed with 90% commercial unleaded gasoline 92 (E10); a blend of 63% commercial …
Persistent link: https://www.econbiz.de/10012651939