نتایج جستجو برای: mineral fuels

تعداد نتایج: 85413  

2014
Adilson Liebsch

Amyris is a renewable products company providing sustainable alternatives to a broad range of petroleumsourced products. Amyris applies its industrial synthetic biology platform to convert plant sugars into a variety of molecules flexible building blocks that can be used in a wide range of products. Amyris’s initial portfolio of commercial products is based on Biofene, Amyris’s brand of farnese...

Journal: :Journal of environmental management 2017
Martha Georgiopoulou Gerasimos Lyberatos

The benefits of using alternative fuels (AFs) in the cement industry include reduction of the use of non-renewable fossil fuels and lower emissions of greenhouse gases, since fossil fuels are replaced with materials that would otherwise be degraded or incinerated with corresponding emissions and final residues. Furthermore, the use of alternative fuels maximizes the recovery of energy. Seven di...

Journal: :The Yale Journal of Biology and Medicine 1954
E. Racker

organized work. It is not surprising, therefore, that the active groups of the enzymes should only be capable of acting in association with a carrier of a given structure. For, orderly biological processes are unthinkable without presupposing structure, and it is therefore out of the question that any living constituent of protoplasm could consist of structureless, fluid, independently displace...

Journal: :Bioresource technology 2012
Frank Hensgen Lutz Bühle Iain Donnison Mariecia Frasier Jim Vale John Corton Katrin Heinsoo Indrek Melts Michael Wachendorf

The integrated generation of solid fuel and biogas from biomass (IFBB) is particularly designed for the conversion of semi-natural and high biodiversity grassland biomass into energy. This biomass is problematic in common energy conversion techniques, e.g. biogas conversion or combustion, because of its chemical composition. The IFFB process separates the material into a fibre rich solid fuel a...

2009
R. A. GLENNIE

The subject matter of this paper, if treated in the general sense, covers an extremely wide field to which it is impossible to do justice in the time allocated. It is even difficult to cover the subject adequately if we confine ourselves only to the furnace design of bagasse fired sugar mill boilers. I therefore intend to give a short summary of past and present bagasse furnace designs and cove...

2015
M. Braun-Unkhoff U. Riedel Marina Braun-Unkhoff Uwe Riedel

During the last years, the aviation sector has been looking into alternatives to kerosene from crude oil, to combat climate change by reduction of greenhouse gas (GHG) emissions and to ensure security of supply at affordable prices. The efforts are also a reaction to commitments and policy packages. Currently, a wide range of possible fuel candidates and fuel blends are discussed in the triple ...

ژورنال: مواد پرانرژی 2019

Abstract Liquid fuels usually have low electrical conductivity leads to accumulating in static electricity during transmission, mixing and spraying processes. This charge accumulation will spark and fire if it exceeds the air ionization energy. Therefore, one of the important parameters in fuels safety is their potential for static charge accumulation. In this manuscript, materials are classif...

2013
Ugo Bardi

IntroductIon Energy is the key factor that drives the economy. Without abundant energy coming from sources other than human and animal muscles, the society as we know it would be unthinkable. Energy is needed to power all kinds of machinery, but also for the vital task of supplying the industrial system with the mineral commodities that make it function. Energy is also fundamental for the food ...

2002

As alternative fuels compete with conventional fuels for a place in public awareness and acceptance, one of their most visible applications is in public transportation. Vehicles, particularly buses and shuttles, that carry people in large numbers, stand to gain much from using alternative fuels. Such high-demand fuel users can help sustain a fueling infrastructure that supports private autos an...

2008
Andrew Miller

Emissions from two biofuels, a soy-based biodiesel and an animal-based biodiesel, were measured and compared to emissions from a distillate petroleum fuel oil. The three fuels were burned in a small (3.5x10 Btu/hr) firetube boiler designed for use in institutional, commercial, and light industrial applications. Emissions were measured for carbon monoxide (CO), carbon dioxide (CO2), oxides of ni...

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