Narrow search
Showing 1 - 10 of 129
Cover Image
Biodiesel production from heterotrophic microalgae through transesterification and nanotechnology application in the production
Zhang, X.L.; Yan, S.; Tyagi, R.D.; Surampalli, R.Y. - In: Renewable and Sustainable Energy Reviews 26 (2013) C, pp. 216-223
Vegetable oils and animal fats are the most often used feedstock in biodiesel production; however, they are also used … feedstock is required in biodiesel production. Heterotrophic microalgae are found capable of accumulating high lipid (up to 57 … quantity oil as that of using glucose, which provides a cheap biodiesel production strategy. It was found that nanomaterials …
Persistent link: https://www.econbiz.de/10011190522
Cover Image
Life cycle assessment of lignocellulosic bioethanol: Environmental impacts and energy balance
Morales, Marjorie; Quintero, Julián; Conejeros, Raúl; … - In: Renewable and Sustainable Energy Reviews 42 (2015) C, pp. 1349-1361
A high number of life cycle assessment of the production of lignocellulosic bioethanol have been published to evaluate or to demonstrate its environmental benefits, in most of the cases the comparison of results and conclusions is difficult due the different methodological approaches of the...
Persistent link: https://www.econbiz.de/10011117046
Cover Image
The impact of the rebound effect of the use of first generation biofuels in the EU on greenhouse gas emissions: A critical review
Smeets, Edward; Tabeau, Andrzej; van Berkum, Siemen; … - In: Renewable and Sustainable Energy Reviews 38 (2014) C, pp. 393-403
An important objective of the mandated blending of biofuel in conventional gasoline and diesel in the EU is reducing greenhouse gas (GHG) emissions. An important assumption thereby is that biofuels replace the production and consumption of oil. However, recent literature challenges this...
Persistent link: https://www.econbiz.de/10010906682
Cover Image
Carbon footprints of production and use of liquid biofuels in Tanzania
Eshton, Bilha; Katima, Jamidu H.Y. - In: Renewable and Sustainable Energy Reviews 42 (2015) C, pp. 672-680
, this paper evaluates a life cycle carbon footprint (or greenhouse (GHG) gas emissions) of liquid biofuels (biodiesel … study found a positive GHG emissions related to biofuels. A carbon footprint (in CO2 equivalents) of jatropha biodiesel is … 23.9kgFU−1 while that of molasses bioethanol is 17.4kgFU−1. Biodiesel combustion found to be a major contributor to …
Persistent link: https://www.econbiz.de/10011117068
Cover Image
Thermal models of solar still—A comprehensive review
Elango, C.; Gunasekaran, N.; Sampathkumar, K. - In: Renewable and Sustainable Energy Reviews 47 (2015) C, pp. 856-911
Water is vital to life and supplying of potable water can hardly be overstressed in recent years. The conventional desalination processes require significant amount of energy to convert brackish water into potable water for human consumption and industry. With an extensive research on various...
Persistent link: https://www.econbiz.de/10011264077
Cover Image
Energy balance, forecasting of bioelectricity generation and greenhouse gas emission balance in the ethanol production at sugarcane mills in the state of Mato Grosso do Sul
Turdera, Mirko V. - In: Renewable and Sustainable Energy Reviews 19 (2013) C, pp. 582-588
The aim of this paper is to present aspects about the energy balance of sugarcane crops and its carbon dioxide emissions. We calculate energy used in agricultural, industrial and distribution sectors by five sugarcane mills of Mato Grosso do Sul and we compare the yield with its energy delivery....
Persistent link: https://www.econbiz.de/10010608384
Cover Image
Energy and environmental balance of biogas for dual-fuel mobile applications
Lacour, S.; Chinese, T.; Alkadee, D.; Perilhon, C.; … - In: Renewable and Sustainable Energy Reviews 16 (2012) 3, pp. 1745-1753
Considerable research is currently being devoted to seeking alternative fuels to comply with transportation needs while reducing the environmental impact of this sector. Within the transport activity sector, on road vehicles and agricultural machinery require around 2Mtoe energy in France. The...
Persistent link: https://www.econbiz.de/10010573456
Cover Image
Energy performances of intensive and extensive short rotation cropping systems for woody biomass production in the EU
Njakou Djomo, S.; Ac, A.; Zenone, T.; De Groote, T.; … - In: Renewable and Sustainable Energy Reviews 41 (2015) C, pp. 845-854
One of the strategies to ensure energy security and to mitigate climate change in the European Union (EU) is the establishment and the use of short rotation woody crops (SRWCs) for the production of renewable energy. SRWCs are cultivated in the EU under different management systems. Addressing...
Persistent link: https://www.econbiz.de/10011077335
Cover Image
Energy balance of internal combustion engines using alternative fuels
Abedin, M.J.; Masjuki, H.H.; Kalam, M.A.; Sanjid, A.; … - In: Renewable and Sustainable Energy Reviews 26 (2013) C, pp. 20-33
This paper reviews the literature available concerning the energy balance of internal combustion engines operating on alternative fuels. Global warming and energy crisis are among the most important issues that threaten the peaceful existence of the man-kind. More usage of alternative fuels and...
Persistent link: https://www.econbiz.de/10011190315
Cover Image
Biodiesel production using chemical and biological methods – A review of process, catalyst, acyl acceptor, source and process variables
Bharathiraja, B.; Chakravarthy, M.; Kumar, R. Ranjith; … - In: Renewable and Sustainable Energy Reviews 38 (2014) C, pp. 368-382
exponential fuel demand and now the race is on for alternate energy source. The fortunate improvements in Biodiesel fuel … production techniques has been the heading topic of economic and environment sustainability so far. Biodiesel have the potential … to replace diesel in vehicle engines. It has been tested and proved that engines running on biodiesel have shown low …
Persistent link: https://www.econbiz.de/10010906659