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Energy and exergy analysis of natural gas pressure reduction points equipped with solar heat and controllable heaters

Farzaneh-Gord, M.; Arabkoohsar, A.; Deymi Dasht-bayaz, M.; … - In: Renewable Energy 72 (2014) C, pp. 258-270

solar heat storage system at CGSs equipped with controllable heaters. The proposed system is thoroughly evaluated in terms …

Persistent link: https://www.econbiz.de/10010930875

Evaluating livestock manures for biogas production: a GIS based method

Batzias, F.A.; Sidiras, D.K.; Spyrou, E.K. - In: Renewable Energy 30 (2005) 8, pp. 1161-1176

The Animals (data)Base for Energy Potential Estimation (ABEPE), presented in this paper, is a GIS based biomass resource assessment application using a relational database management system to estimate biogas production from livestock manures. Energy and biogas potential of livestock residues of...

Persistent link: https://www.econbiz.de/10010803912

Utilization of solar–hydrogen energy in the UAE to maintain its share in the world energy market for the 21st century

Kazim, A; Veziroglu, T.N - In: Renewable Energy 24 (2001) 2, pp. 259-274

between oil and natural gas demand and supply in the 21st century, and to meet the country's share in the energy market. In … UAE would fail to meet its share in the oil market demand by the year 2015, while in the case of natural gas it will be by … the year 2042. In order to maintain its share in the world energy market, we propose that hydrogen be gradually introduced …

Persistent link: https://www.econbiz.de/10010804092

Improving the performance of dual fuel engines running on natural gas/LPG by using pilot fuel derived from jojoba seeds

Selim, Mohamed Y.E.; Radwan, M.S.; Saleh, H.E. - In: Renewable Energy 33 (2008) 6, pp. 1173-1185

The use of jojoba methyl ester as a pilot fuel was investigated for almost the first time as a way to improve the performance of dual fuel engine running on natural gas or liquefied petroleum gas (LPG) at part load. The dual fuel engine used was Ricardo E6 variable compression diesel engine and...

Persistent link: https://www.econbiz.de/10010804756

Effect of carbon dioxide on the performance of biogas/diesel duel-fuel engine

Bari, Saiful - In: Renewable Energy 9 (1996) 1, pp. 1007-1010

Methane and carbon dioxide are the two main constituents of biogas. Biogas also contains traces of nitrogen, hydrogen, oxygen and hydrogen sulphide. When diesel engine runs on biogas, the combustion is poor as compared to diesel fuel. One of the reason of poor combustion is the presence of...

Persistent link: https://www.econbiz.de/10010804943

The status and prospects for the gasification in the County of Split and Dalmatia

Vujčić, Ranko; Matejčić, Frano; Josipović, Željko - In: Renewable Energy 19 (2000) 1, pp. 193-201

In order to establish a reliable and environmentally friendly power supply system for the County of Split and Dalmatia, a brief account of the geographic and demographic characteristics, economic structure and consumption of energy and resources of the region are given in this paper. On the...

Persistent link: https://www.econbiz.de/10011044159

Hybridizing concentrated solar power (CSP) with biogas and biomethane as an alternative to natural gas: Analysis of environmental performance using LCA

San Miguel, G.; Corona, B. - In: Renewable Energy 66 (2014) C, pp. 580-587

) and increase generation capacity. The environmental performance of these plants is highly influenced by the energy input …

Persistent link: https://www.econbiz.de/10011044365

Various nickel doping in commercial Ni–Mo/Al2O3 as catalysts for natural gas decomposition to COx-free hydrogen production

Awadallah, Ahmed E.; Aboul-Enein, Ateyya A.; … - In: Renewable Energy 57 (2013) C, pp. 671-678

Non-oxidative decomposition of natural gas to COx-free hydrogen production over commercial nickel-molybdate hydrotreating catalysts with different Ni loading from 5 to 40wt% were studied at 700 °C. The catalysts were characterized by XRD, BET, TEM, Raman spectroscopy and TG-DTA analysis. The...

Persistent link: https://www.econbiz.de/10011044826

Renewable energy policy development in the Caribbean

Haraksingh, Indra - In: Renewable Energy 24 (2001) 3, pp. 647-655

The Caribbean region is endowed with renewable energy resources which remain largely untapped. With an average insolation of 15-20 MJ m−2 day−1, investment in some renewable energy technologies is feasible. The major problem confronting the region is lack of financial resources. Petroleum...

Persistent link: https://www.econbiz.de/10011044954

The feasibility and potential of geothermal heat in the deep Alberta foreland basin-Canada for CO2 savings

Majorowicz, Jacek; Moore, Michal - In: Renewable Energy 66 (2014) C, pp. 541-549

resources that are coincident with load and can be developed in the future at reasonable cost. We assess that geothermal energy … cost of thermal energy can be as low as 2 $ per GJ thermal equivalence for expected EGS flow rates of 5–50 kg/s, with 30 …

Persistent link: https://www.econbiz.de/10011045789