نتایج جستجو برای: sub bituminous coal sbc
تعداد نتایج: 241192 فیلتر نتایج به سال:
Oxygen-enhanced and oxygen-fired pulverized coal combustion is actively being investigated to achieve emission reductions and reductions in flue gas cleanup costs, as well as for coal-bed methane and enhanced oil recovery applications. To fully understand the results of pilot scale tests and to accurately predict scale-up performance through CFD modeling, accurate rate expressions are needed to...
The Paleocene coals of the Salt Range in Punjab Province Pakistan have great economic potential; however, their trace element and stable isotopic characteristics not been studied detail except for a few sporadic samples. In this study, total 59 coal samples which 14 are obtained from open cast mines investigated elemental composition δ13C-δ15N signatures. Average contents elements such as Co, C...
The combustion of biomass and coal is the dominant source of household air pollution (HAP) in China, and contributes significantly to the total burden of disease in the Chinese population. To characterize HAP exposure related to solid fuel use and ventilation patterns, an exposure assessment study of 163 nonsmoking female heads of households enrolled from 30 villages was conducted in Xuanwei an...
Recent progress in preparation/combustion of submilligram organic samples at our laboratories is presented. Routine methods had to be modified/refined to achieve acceptable and consistent procedural blanks for organic samples smaller than 1000 μg C. A description of the process leading to a modified combustion method for smaller organic samples is given in detail. In addition to analyzing diffe...
At the Power Systems Development Facility (PSDF), a variety of filter elements and failsafes are being tested for the cleanup of coal-generated syngas from the Kellogg Brown and Root (KBR) Transport Gasifier. Through 2007, the maximum accumulated syngas exposure for each element type was: 9,959 hours for iron aluminide sintered metal powder elements; 8,249 hours for HR-160 sintered metal fiber ...
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