نتایج جستجو برای: waste oils

تعداد نتایج: 109106  

2004
V. H. Varel D. N. Miller A. D. Lindsay

Wastes generated from the production of cattle and swine in confined facilities create the potential for surface and groundwater pollution, emission of greenhouse gases, transmission of pathogens to food and water sources, and odor. It is our hypothesis that something which inhibits microbial fermentation in livestock wastes will be beneficial to solving some of the environmental problems. Our ...

2014
Mehdi Ashraf-Khorassani Larry T. Taylor Jinchuan Yang Giorgis Isaac

IN T RO DU C T IO N UltraPerformance Convergence ChromatographyTM (UPC2®) is a novel technology that applies the performance advantages of UPLC to supercritical fluid chromatography (SFC). Combining the use of supercritical CO2 with sub-2-μm particle columns, UPC2 represents an analysis technique that is orthogonal to reversed-phase LC and can be used to solve many troublesome separations that ...

2017
Gisela Montero Margarita Stoytcheva Conrado García Marcos Coronado Lydia Toscano Héctor Campbell Armando Pérez Ana Vázquez

As a result of declining oil reserves in the world, the rise in fossil fuel prices and growing interest in the environment, there is considerable demand for alternative fuels. Biodiesel is recognized like the "green fuel" and has several advantages compared to diesel. It is safe, renewable, nontoxic, and biodegradable (98% biodegradable in a few weeks). Contains less sulfur compounds, and has a...

2009
Luis F. Razon

Biodiesel, the name popularly given to fatty acid alkyl esters, has become an attractive option for the replacement of petroleum diesel (‘petrodiesel’). While its overall impact on the greenhouse effect continues to be debated, other qualities of biodiesel are unquestioned. Biodiesel is biodegradable, generally non-toxic and has superior lubricity to petrodiesel. Overall emissions are greatly r...

2007
Lewis M. Brown

Biodiesel produces fewer pollutants than petroleum diesel, and is virtually free of sulfur. These properties make biodiesel an attractive candidate to facilitate compliance with the Clean Air Act Amendments of 1990 (CAAA). This fuel is ordinarily considered to be derived from oilseeds, but an essentially identical biodiesel can be made from microalgae. This technology is complementary to ongoin...

Journal: :Critical Reviews in Environmental Science and Technology 2019

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