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Enzymatic biodiesel: Challenges and opportunities

Christopher, Lew P.; Kumar, Hemanathan; Zambare, Vasudeo P. - In: Applied Energy 119 (2014) C, pp. 497-520

The chemical-catalyzed transesterification of vegetable oils to biodiesel has been industrially adopted due to its high conversion rates and low production time. However, this process suffers from several inherent drawbacks related to energy-intensive and environmentally unfriendly processing...

Persistent link: https://www.econbiz.de/10010743618

A process for biodiesel production involving the heterotrophic fermentation of Chlorella protothecoides with glycerol as the carbon source

Cerón-García, M.C.; Macías-Sánchez, M.D.; … - In: Applied Energy 103 (2013) C, pp. 341-349

glycerol is the main carbon source in the culture medium. Whereas a maximum biomass concentration of 64gL−1 was achieved in fed … reported in the literature for glycerol but practically identical to those achieved with glucose. The major fatty acids (FAs …

Persistent link: https://www.econbiz.de/10011040489

Co-production of biodiesel and hydrogen from rapeseed and Jatropha oils with sodium silicate and Ni catalysts

Long, Yun-Duo; Fang, Zhen; Su, Tong-Chao; Yang, Qing - In: Applied Energy 113 (2014) C, pp. 1819-1825

gasification of glycerol to hydrogen. A maximum H2 yield of 82.8% with a concentration of 73.6% was obtained in the presence of the …-irradiated production of biodiesel and hydrothermal production of hydrogen from by-product glycerol combined with Ni catalyst. …

Persistent link: https://www.econbiz.de/10011040620

From waste to energy: Microalgae production in wastewater and glycerol

Cabanelas, Iago Teles Dominguez; Arbib, Zouhayr; … - In: Applied Energy 109 (2013) C, pp. 283-290

with glycerol aiming biofuels production. The best results were obtained with the highest glycerol supplementation (50mM … amended with glycerol) can have a significant impact in the water treatment sector and local markets. …

Persistent link: https://www.econbiz.de/10011041078

A new continuous-flow process for catalytic conversion of glycerol to oxygenated fuel additive: Catalyst screening

Nanda, Malaya R.; Yuan, Zhongshun; Qin, Wensheng; … - In: Applied Energy 123 (2014) C, pp. 75-81

A new continuous-flow reactor was designed for the conversion of glycerol to solketal, an oxygenated fuel additive …% at the acetone/glycerol molar ratio of 2.0 and 6.0, respectively, with Amberlyst Wet. Based on the solketal yield and … glycerol conversion results, the activity of all catalysts tested follows the following order of sequence: Amberlyst Wet …

Persistent link: https://www.econbiz.de/10011041189

Hydrogen production by enhanced-sorption chemical looping steam reforming of glycerol in moving-bed reactors

Dou, Binlin; Song, Yongchen; Wang, Chao; Chen, Haisheng; … - In: Applied Energy 130 (2014) C, pp. 342-349

The continuous high-purity hydrogen production by the enhanced-sorption chemical looping steam reforming of glycerol … reforming, water gas shrift reaction and CO2 removal were combined into a single reactor for hydrogen production in an overall … economic and efficient process. The low-cost NiO/NiAl2O4 catalyst efficiently converted glycerol and steam to H2 by redox …

Persistent link: https://www.econbiz.de/10011041234

Design of an optimal process for enhanced production of bioethanol and biodiesel from algae oil via glycerol fermentation

Martín, Mariano; Grossmann, Ignacio E. - In: Applied Energy 135 (2014) C, pp. 108-114

In this paper, we optimize a process that integrates the use of glycerol to produce ethanol via fermentation within the … glycerol. The advantage of this process is that the dehydration technologies are common for the products of the glucose and … glycerol fermentation. Simultaneous optimization and heat integration is performed using Duran and Grossmann’s model. The …

Persistent link: https://www.econbiz.de/10011076454

Anaerobic digestion of microalgae residues resulting from the biodiesel production process

Ehimen, E.A.; Sun, Z.F.; Carrington, C.G.; Birch, E.J.; … - In: Applied Energy 88 (2011) 10, pp. 3454-3463

anaerobically digested microalgae residues was investigated. The co-digestion of the microalgae residues with glycerol as well as …

Persistent link: https://www.econbiz.de/10010576271

Using Taguchi method on combustion performance of a diesel engine with diesel/biodiesel blend and port-inducting H2

Wu, Horng-Wen; Wu, Zhan-Yi - In: Applied Energy 104 (2013) C, pp. 362-370

consumption (BSFC), NOX and smoke at each load is achieved for a combination of B20 (A2), 30% hydrogen (B3) and 40% EGR ratio (C3 …

Persistent link: https://www.econbiz.de/10010688018

Catalytic activity of Ni3S2 and effects of reactor wall in hydrogen production from water with hydrogen sulphide as a reducer under hydrothermal conditions

Wang, Yuanqing; Jin, Fangming; Zeng, Xu; Ma, Cuixiang; … - In: Applied Energy 104 (2013) C, pp. 306-309

Catalytic activity of Ni3S2 and the effects of reactor wall in the hydrogen production from water were investigated … under hydrothermal conditions using hydrogen sulphide (H2S) as a reductant. It was found that Ni3S2 catalysed the hydrogen … the maximum hydrogen yield significantly decreased and the maximum hydrogen yield increased. These results suggest that …

Persistent link: https://www.econbiz.de/10010688029