The effect of lime addition on the combustion properties and sulfur contents of three different coals

Date

2002-01-01

Author

Ozbas, Kazim Esber
Hiçyilmaz, Cahit
Kök, Mustafa Verşan

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

283
views

0
downloads

In this research, combustion characterization of 3 different coals of Turkey, from the Soma, Tuncbilek, and Afsin Elbistan regions, were investigated with thermal analysis techniques such as differential scanning calorimetry (DSC) and thermogravimetry (TG/DTG). Lime was added to these coals in concentrations of 3, 7, and 10% by weight to investigate the change in combustible sulfur content and sulfur in ash. It was observed that lime has a positive effect on sulfur emission. Kinetic analysis was also performed to see the effect of lime addition on combustion properties and reaction parameters of the coal samples studied.

Subject Keywords

Coal, Thermogravimetry, Differential scanning calorimetry, Lime, Sulfur, Kinetics

URI

https://hdl.handle.net/11511/43225

Journal

Energy Sources

DOI

https://doi.org/10.1080/00908312.2002.11877439

Collections

Department of Petroleum and Natural Gas Engineering, Article

Suggestions

OpenMETU
Core

An investigation into the thermal behavior of coals Kök, Mustafa Verşan (2002-10-01) The thermal behavior of 4 coal samples was investigated using simultaneous thermogravimetry (TG/DTG) and differential thermal analysis (DTA) methods. Upon heating the coals in an inert atmosphere up to 800degreesC, 31.44-43.82% weight loss occurs. The 2 temperature regions of increased chemical reactivity are evident in the coal samples studied Two different models determined kinetic analysis of the samples, and the results are discussed.
Non-isothermal DSC and TG/DTG analysis of the combustion of silopi asphaltites Kök, Mustafa Verşan (2007-06-01) In this research, non-isothermal combustion and kinetics of Silopi (Turkey) asphaltite samples were investigated by differential scanning calorimetry (DSC) and thermogravimetry (TG/DTG). A sample size of 10 mg, heating rates of 5, 10, 15 and 200C min(-1) were used in the temperature range of 20-600 degrees C, under air atmosphere. Two reaction regions were observed in DSC curves. The first region is due to the evaporation of moisture in asphaltite sample whereas, release of volatile matter and burning of ca...
Evaluation of Turkish oil shales - Thermal analysis approach Kök, Mustafa Verşan (2001-12-01) In this research, thermal characteristics of three Turkish oil shales (Himmetoglu, Beypazari and Hatuldag) were studied by thermal analysis techniques (differential scanning calorimetry, thermogravimetry and pressurised differential scanning calorimetry). Two distinct exothermic peaks were identified in all experiments known as low-temperature oxidation and high-temperature oxidation reaction regions. Kinetic data were analysed by Arrhenius, and Coats and Redfern models and the results are discussed.
The Thermal Characterization of Crude Oils in a Limestone Matrix of Different Particle Size Kök, Mustafa Verşan (2014-05-03) In the first part of this research, the effect of particle size (35-100 mesh) on the calcination kinetics of a limestone sample was investigated by thermogravimetric analysis technique. Thermal studies showed that two main weight loss regions are observed in limestone samples of different particle size. In the second part of the research, thermal analysis of a medium crude oil sample in a limestone matrix of different particle size is analyzed. Two different reaction regions were observed known as low tempe...
The Characterization of a Tar Sand Sample Using Differential Scanning Calorimeters Senguler, I.; Kök, Mustafa Verşan (2013-01-01) In this study, non-isothermal kinetics and a thermal analysis tar sand sample is studied by differential scanning calorimeter and pressurized differential scanning calorimeter. Differential scanning calorimeter and pressurized differential scanning calorimeter curves revealed two reaction regions in the temperature range of 20-600 degrees C. Effect of pressure was also studied in order to see the thermal behavior of a tar sand sample under different elevated pressures. Two different kinetic methods (ASTM an...

Citation Formats

K. E. Ozbas, C. Hiçyilmaz, and M. V. Kök, “The effect of lime addition on the combustion properties and sulfur contents of three different coals,” Energy Sources, pp. 643–652, 2002, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/43225.