نتایج جستجو برای: biomass energy

تعداد نتایج: 721243  

2013

The context Biomass for energy plays a significant role in the EU renewable energy picture, with bioenergy expected to remain a key strategy for both the near and long term. Although biomass supplies within EU Member States are substantial, it will nonetheless be necessary to import significant volumes of fuel pellets and other forms of biomass in order to meet ambitious EU renewable energy tar...

2012
Niclas Scott Bentsen Claus Felby

This paper reviews recent literature on bioenergy potentials in conjunction with available biomass conversion technologies. The geographical scope is the European Union, which has set a course for long term development of its energy supply from the current dependence on fossil resources to a dominance of renewable resources. A cornerstone in European energy policies and strategies is biomass an...

2017
Dorde Medic Matthew J. Darr Benjamin Potter Ajay Shah

Biomass is a primary source of renewable carbon that can be utilized as a feedstock for biofuels or biochemicals production in order to achieve energy independence of energy importing countries. The low bulk density, high moisture content, degradation during the storage, and low energy density of raw lignocellulosic biomass are all significant challenges in supplying agricultural residues as a ...

2014
Hasan Selim

Development and implementation of renewable energy systems, as a part of the solution to the worldwide increasing energy consumption, have been considered as emerging areas to offer an alternative to the traditional energy systems with limited fossil fuel resources and to challenge environmental problems caused by them. Biomass is one of the alternative energy resources and agricultural, animal...

2011
N. Georgieva I. Nikolova T. Zhelyazkova D. Pavlov Y. Naydenova N. GeorGieva T. ZhelyaZkova

GeorGieva, N., i. Nikolova, T. ZhelyaZkova, D. Pavlov and y. NayDeNova, 2011. Energy efficiency of spring vetch (Vicia sativa l.) cultivated for fresh biomass. Bulg. J. Agric. Sci., 17: 612-720 Field experiment with spring vetch, cultivated for fresh biomass was conducted for establishing productivity, composition, nutritive value and energy efficiency under the influence of different growth re...

Elahe Veisi Leila Siampour Mehdi Jahangiri, Shoeleh Vahdatpour Shokoofeh Behzadfar

Renewable systems influence the process of supplying domestic electricity demands. It will be useful to replace the conventional energy generation system by renewable energy sources since the uncontrolled use of fossil fuels is accompanied by global warming and environmental hazards, in addition to the danger of their depletion, and because most of the energy derived from these fuels are used i...

1996
Ralph P. Overend Kevin R. Craig

Income growth and industrialization of the developing countries is driving their economies towards the use of secondary energy forms that deliver high efficiency energy and environmentally improved end-uses for biomass. Typical of these secondary energy forms are electricity, distributed gas systems, and liquid fuels. This trend suggests that the hitherto separate biomass energy technology deve...

Journal: :Science 1977
R Morris

BOOK REVIEWS Arthur Canfield Upton: New Director of the NCI. China After Mao: Science Seeks to Be Both Red and Expert ........... IEEE: A Policy Challenge for Big Engineering Society . Photosynthetic Solar Energy: Rediscovering Biomass Fuels ............ Cryptography: On the Brink of a Revolution?. Call for Contributed Papers: A. Herschman; Instructions for Contributors. Two Centuries ofAmerica...

2018
Moritz F Kuehnel Erwin Reisner

Photocatalytic reforming of lignocellulosic biomass is an emerging approach to produce renewable H2 . This process combines photo-oxidation of aqueous biomass with photocatalytic hydrogen evolution at ambient temperature and pressure. Biomass conversion is less energy demanding than water splitting and generates high-purity H2 without O2 production. Direct photoreforming of raw, unprocessed bio...

2004
Matthew J. Realff Ling Zhang

Hydrogen production has gained increasing attention as a potential energy carrier, which can utilize many forms of renewable energy, such as biomass, wind and direct solar power. It has increased its significance as fossil fuels are being used up at a high rate and energy security is of greater importance to the United States and many other countries. Furthermore, hydrogen production offers the...

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