THERMAL SCIENCE

International Scientific Journal

Slavko Nikola Đurić

,

Saša D. Brankov

,

Tijana R. Kosanić

,

Mirjana B. Ćeranić

,

Branka B. Nakomčić Smaragdakis

THE COMPOSITION OF GASEOUS PRODUCTS FROM CORN STALK PYROLYSIS PROCESS

ABSTRACT
This paper describes experimental investigation of corn stalk pyrolysis. The mass of the sample (corn stalk) inside a pyrolytic reactor was 10 g with particle diameter of 5-10 mm. The sample in the reactor was heated in the temperature range of 24-650ºC and the gas components generated during corn stalk pyrolysis were measured using gas analyzer G750 POLYTECTOR II. The sample mass before, during and after pyrolysis process was determined by using METTLER P1000 digital scale. Experimental results of the corn stalk pyrolysis indicate that as the temperature in the reactor increases from 300-650ºC, the pyrolytic gas yield increases from 60-72%, while the char (coke) yield decreases from 40-28%. In the temperature range mentioned, the CO2 volume fraction in pyrolytic gas decreases, while the volume fraction of methane increases up to 39.5% followed with a constant decrease in the volume fraction of oxygen. The results obtained can represent starting basis for determining material and heat balance of pyrolysis process as well as corn stalk pyrolysis equipment.
KEYWORDS
pyrolysis, corn stalk, reaction temperature, gas components
PAPER SUBMITTED: 2012-07-11
PAPER REVISED: 2012-11-20
PAPER ACCEPTED: 2013-01-05
PUBLISHED ONLINE: 2013-04-13
DOI REFERENCE: https://doi.org/10.2298/TSCI120711021D
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2014, VOLUME 18, ISSUE Issue 2, PAGES [533 - 542]
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The composition of gaseous products from corn stalk pyrolysis process

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence