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Analysis of process related factors to increase volumetric productivity and quality of biomethane with Methanothermobacter marburgensis

Seifert, A.H.; Rittmann, S.; Herwig, C. - In: Applied Energy 132 (2014) C, pp. 155-162

The biological conversion of H2 and CO2 into CH4, using methanogenic archaea is an interesting technology for CO2 conversion, energy storage and biogas upgrading. For an industrial application of this process however, the optimization of the volumetric productivity and the product quality is an...

Persistent link: https://www.econbiz.de/10010930677

Effects of natural convection on latent heat storage performance of salt in a horizontal concentric tube

Tao, Y.B.; He, Y.L. - In: Applied Energy 143 (2015) C, pp. 38-46

Three-dimensional numerical studies were performed for latent heat storage (LHS) process of salt in a horizontal concentric tube to investigate the effects of liquid phase change material (PCM) natural convection on LHS performance. The results show that due to the effects of natural convection,...

Persistent link: https://www.econbiz.de/10011208377

An air-based corrugated cavity-receiver for solar parabolic trough concentrators

Bader, Roman; Pedretti, Andrea; Barbato, Maurizio; … - In: Applied Energy 138 (2015) C, pp. 337-345

A tubular cavity-receiver that uses air as the heat transfer fluid is evaluated numerically using a validated heat …

Persistent link: https://www.econbiz.de/10011116109

Biological methanation of hydrogen within biogas plants: A model-based feasibility study

Bensmann, A.; Hanke-Rauschenbach, R.; Heyer, R.; Kohrs, F. - In: Applied Energy 134 (2014) C, pp. 413-425

One option to utilize excess electric energy is its conversion to hydrogen and the subsequent methanation. An … hydrogen into the reactor, since hydrogenotrophic bacteria are present. …

Persistent link: https://www.econbiz.de/10010930694

An effort to enhance hydrogen energy share in a compression ignition engine under dual-fuel mode using low temperature combustion strategies

Chintala, V.; Subramanian, K.A. - In: Applied Energy 146 (2015) C, pp. 174-183

A limited hydrogen (H2) energy share due to knocking is the major hurdle for effective utilization of H2 in compression …

Persistent link: https://www.econbiz.de/10011263340

Effect of inlet and outlet configurations on blow-off and flashback with premixed combustion for methane and a high hydrogen content fuel in a generic swirl burner

Syred, N.; Giles, A.; Lewis, J.; Abdulsada, M.; Valera … - In: Applied Energy 116 (2014) C, pp. 288-296

geometry and with higher hydrogen content fuels. The correlation still holds with methane and natural gas, especially with …

Persistent link: https://www.econbiz.de/10010737730

Large scale hydrogen production from wind energy for the upgrading of bitumen from oil sands

Olateju, Babatunde; Monds, Joshua; Kumar, Amit - In: Applied Energy 118 (2014) C, pp. 48-56

There is considerable interest concerning sustainable, economically competitive and environmentally benign hydrogen … production pathways. In this study, a large scale wind-hydrogen plant is assessed for the production of electrolytic hydrogen …, for the servicing of the oil sands bitumen upgrading industry in Western Canada. The wind-hydrogen plant proposed has a …

Persistent link: https://www.econbiz.de/10010743634

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

Comparison between hydrogen and electric vehicles by life cycle assessment: A case study in Tuscany, Italy

Bartolozzi, I.; Rizzi, F.; Frey, M. - In: Applied Energy 101 (2013) C, pp. 103-111

The use of hydrogen produced from renewable energy sources is often reported as an attractive strategy to address the …. The project ‘Filiera Idrogeno’ (Hydrogen Chain) has investigated the potential realisation of hydrogen production chains … for evaluating the environmental sustainability of such chains, applied to a fleet of hydrogen vehicles for urban …

Persistent link: https://www.econbiz.de/10010593985