A study on the thermal destruction of rice husk in air and nitrogen atmosphere

The methods of X-ray analysis, infrared spectroscopy, differential thermal analysis and scanning electron microscopy were used in this study. The objects of the experiments were rice husk obtained during processing of rice, variety Krasnodarski 424. The rice husk was burnt in air and in non-oxygen m...

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Veröffentlicht in:Journal of thermal analysis and calorimetry 2007-09, Vol.89 (3), p.809-814
Hauptverfasser: MARKOVSKA, I. G, LYUBCHEV, L. A
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LYUBCHEV, L. A
description The methods of X-ray analysis, infrared spectroscopy, differential thermal analysis and scanning electron microscopy were used in this study. The objects of the experiments were rice husk obtained during processing of rice, variety Krasnodarski 424. The rice husk was burnt in air and in non-oxygen medium at several burning temperatures. The color of the oxidized product was stipulated by the burning temperature. The X-ray analysis showed that the amorphous SiO2 present in the rice husk begins to crystallize in the form of alpha-cristobalite at 850 deg C. Using differential thermal analysis, the thermal destruction of rice husk was studied in air and nitrogen media and the initial and final temperatures of the process were determined. The silica distribution was examined by scanning electron microscopy and infrared spectroscopic techniques.
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subjects Agriculture, rearing and food industries wastes
Applied sciences
Chemistry
Exact sciences and technology
Inorganic chemistry and origins of life
Miscellaneous
Pollution
Preparations and properties
Wastes
title A study on the thermal destruction of rice husk in air and nitrogen atmosphere
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