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169 results for “Renewable”
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Research ArticleOpen accessIn the abstractImplementation of Environmental Management Systems in the Extraction of Construction Aggregates from Gravel Pit LakesSerena Botta, Claudio Comoglio, Alberto Quaglino, Andrea TorchiaProblem statement: Mining operations are strategic and essential industrial activities which rely on the use of non renewable natural resources, causing several relevant interactions with the environment. Approach: The need to perform in compliance with even more stringent environmental legislation and to satisfy different stakeholders demands and pressures, is progressively leading the mining sector towards the implementation of Environmental Management … …American Journal of Environmental Sciences, Vol. 5, Issue 4 · 31 Aug 2009 · 7,320 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Gate to Gate Assessment of Environmental Performance for Production of Crude Palm Kernel Oil Using Life Cycle Assessment ApproachS. Vijaya, A. N. Ma, Y. M. ChooProblem statement: The oil palm industry is an export orientated industry which heavily relies on the world market. In 2007 alone the total export earnings reached RM 45.1 billion. It is essential that the oil palm industry is ready to meet the higher expectation of its overseas customers on the environmental performance of the industry. Life Cycle Assessment (LCA) is … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 7,225 accessesView PDFCite
Research ArticleOpen accessIn the abstractPromotion of Coconut Shell Gasification by Steam Reforming on Nickel-DolomitePattaraporn Chaiprasert, Tharapong VitidsantBiomass gasification by the use of metallic nickel as active metal on dolomite support has been chosen as catalyst because of its activity in biomass steam gasification and tar reduction. The purpose of this study is to study the effects of critical parameters on product gas compositions such as temperature, steam to carbon ratio (S/C) and oxygen input. The results … …American Journal of Applied Sciences, Vol. 6, Issue 2 · 28 Feb 2009 · 8,410 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Critical Review of Global Wind Power GenerationT. Ahilan, Dr. K.P. Mohammed, Dr. S. ArumughamThis research begins with an overview of wind development and installation-related trends, including trends in capacity growth. Development of wind power has reached a level of maturity, which could be taken upon for further novelty and growth in meeting the future energy needs in much greater proportion. Current research techniques are producing stronger, lighter and more efficient blades for the … …American Journal of Applied Sciences, Vol. 6, Issue 2 · 28 Feb 2009 · 7,485 accessesView PDFCite
Research ArticleOpen accessIn the abstractProspects of Wind Farm Development in AlgeriaY. Himri, A. Boudghene Stambouli, B. DraouiThis study utilized wind speed data over a period of almost 10 years between 1977 and 1988 from three stations, namely Adrar, Timimoun and Tindouf in order to assess the energy output for a 30 MW installed capacity wind farm at each site in Algeria, in terms of gross energy, renewable energy delivered, specific yield and wind farm capacity factor. … …American Journal of Environmental Sciences, Vol. 4, Issue 6 · 31 Dec 2008 · 6,083 accessesView PDFCite
Research ArticleOpen accessIn the abstractStudies On Bioemulsifier Production by Bacillus licheniformis PTCC 1595Gholamreza D. Noudeh, Mohammad H. Moshafi, Payam Khazaeli, Farideh AkefSurfactants are amphipathic molecules which reduce surface and interfacial tensions and widely used in pharmaceutical, cosmetic, food and petroleum industries. Biosurfactants are the structurally diverse group of surface-active molecules synthesized by microorganisms. There are several advantages for biosurfactants in contrast with chemical surfactants, such as lower toxicity; higher biodegradability; better environmental compatibility; higher foaming; high selectivity and specific activity at … …American Journal of Pharmacology and Toxicology, Vol. 2, Issue 4 · 31 Dec 2007 · 7,282 accessesView PDFCite
Research ArticleOpen accessIn the abstractNoninvasive Environmental Monitoring of Mercury in Alaskan ReindeerLawrence K. Duffy, Richard J. Hallock, Greg Finstad, R. T. BowyerReindeer, Rangifer tarandus, are terrestrial herbivores used by Alaskan Native herders for both subsistence food and commercial export. Reindeer are a renewable resource and as part of the food system are monitored for Mercury (Hg) levels in relation to the changing Arctic environment. In this study, both free-ranging reindeer from the Seward Peninsula, Alaska, and reindeer reared at the University … …American Journal of Environmental Sciences, Vol. 1, Issue 4 · 31 Dec 2005 · 6,738 accessesView PDFCite
Research ArticleOpen accessIn the abstractWind Speed Simulation Using WaveletsA. H. Siddiqi, S. Khan, S. RehmanMost of the renewable energy sources have direct or indirect link with the sun. Wind is also a form of solar energy. It is initiated by uneven heating of the atmospheric air by the sun, affected from the topography and surface roughness of the earth's surface and rotation of the earth. The earth's terrain, water surfaces and vegetation cover modifies … …American Journal of Applied Sciences, Vol. 2, Issue 2 · 28 Feb 2005 · 7,546 accessesView PDFCite
Research ArticleOpen accessIn the abstractCost-Effective Energy Refurbishment of Health Care Facilities in Heating Dominated Climates of Italian Backcountry. The Case Study of the Hospital Veneziale of IserniaRosa Francesca De Masi, Fabrizio Ascione, Gennaro Sosto, Giuseppe Peter VanoliMaximizing energy efficiency within hospitals and healthcare facilities is a major challenge for sustainable development and energy saving objectives. In this study, the case study of the public hospital of Isernia (Italian backcountry city) is proposed, being typical of the hospital building stock developed in reinforced concrete all around Italy in the last 40 years. Starting from deep on-site investigations, … …American Journal of Engineering and Applied Sciences, Vol. 10, Issue 3 · 25 Sep 2017 · 8,352 accessesView PDFCite