The present paper describes the application of Mineral Liberation Analysis (MLA) to estimate the content of water bearing kaolinite in a set of five samples originating from three Chinese coals (CC1 to CC3). In order to validate the MLA, one coal sample was investigated before and after ...
The analyses of the individual macerals in each coal were combined with data on maceral abundance to produce an inferred chemical composition for the organic matter of the respective whole-coal samples, and this was compared, for each sample, to the respective whole-coal ultimate analysis data, ...
Prediction of Calorific Value of Biomass from Proximate Analysis linear and nonlinear terms have been tested in order to predict the higher heating values (HHV) of full sample set from the proximate analysis results. ... A Ozyuguran,S Yaman - International Conference on Energy & Environmental Re...
Actually, these articles are plain wrong. They are describing various (really good) methods of doing financial analysis for decision-making, but these are NOT called “return on investment”. Net Present Value (NPV) or Internal Rate of Return (IRR) are just such methods and they can be very...
Thedeformation rules of 45# steel ring piece with outer step is studied through the analysis of plastic theory,numerical calculation of ABAQUS plastic FEM and simulating rolling experiment of 1:4 lead sample. 通过塑性理论分析、ABAQUS塑性有限元数值计算和1:4铅试件轧制模拟实验,研究了45#钢钢质带外台...
Each sample was analyzed three times to ensure accurate analysis. The percentages of C, H, N, and S were determined simultaneously using the dry combustion method CHNS analyzer. The calorific value was determined using an oxygen bomb calorimeter, given in MJ/kg in dry mass. Data from ultimate...
Keywords: biomass; torrefaction; higher heating value; proximate analysis; ultimate analysis; correlations 1. Introduction Biomass is widely-available renewable energy resource with balanced CO2 emissions and absorption. However, for the proper use of biomass resources, their physical, chemical and ...
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In the analysis of coal tars, the inert filler is used for their uniform evaporation and oxidation. The developed technique was tested on the black coal sample. The obtained results are consistent with the standard technique for ultimate analysis based on ASTM 3172-76. The paper shows a good ...