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Thermogravimetric coupled with Fourier transform infrared analysis study on thermal treatment of monopotassium phosphate residue
Abstract In China, safe disposal of hazardous waste is more and more a necessity, urged by rapid economic development. The pyrolysis and combustion characteristics of a residue from producing monopotassium phosphate (monopotassium phosphate residue), considered as a hazardous waste, were studied using a thermogravimetric, coupled with Fourier transform infrared analyzer (TG-FTIR). Both pyrolysis and combustion runs can be subdivided into three stages: drying, thermal decomposition, and final devolatilization. The average weight loss rate during fast thermal decomposition stage in pyrolysis is higher than combustion. Acetic acid, methane, pentane, (acetyl) cyclopropane, 2,4,6-trichlorophenol, CO, and CO2 were distinguished in the pyrolysis process, while CO2 was the dominant combustion product.
Thermogravimetric coupled with Fourier transform infrared analysis study on thermal treatment of monopotassium phosphate residue
Abstract In China, safe disposal of hazardous waste is more and more a necessity, urged by rapid economic development. The pyrolysis and combustion characteristics of a residue from producing monopotassium phosphate (monopotassium phosphate residue), considered as a hazardous waste, were studied using a thermogravimetric, coupled with Fourier transform infrared analyzer (TG-FTIR). Both pyrolysis and combustion runs can be subdivided into three stages: drying, thermal decomposition, and final devolatilization. The average weight loss rate during fast thermal decomposition stage in pyrolysis is higher than combustion. Acetic acid, methane, pentane, (acetyl) cyclopropane, 2,4,6-trichlorophenol, CO, and CO2 were distinguished in the pyrolysis process, while CO2 was the dominant combustion product.
Thermogravimetric coupled with Fourier transform infrared analysis study on thermal treatment of monopotassium phosphate residue
Feng, Yuheng (author) / Jiang, Xuguang (author) / Chi, Yong (author) / Li, Xiaodong (author) / Zhu, Hongmei (author)
2011-05-13
7 pages
Article (Journal)
Electronic Resource
English
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