THERMAL SCIENCE

International Scientific Journal

Juan Zhang

,

Jin-Song Wu

,

Xian-Dong Jing

,

Zhao-Tie Liu

,

Lai-Jiu Zheng

INVESTIGATION OF THE OPTIMAL TREATMENT CONDITION FOR FLAX ROVE IN SUPERCRITICAL CO2

ABSTRACT
Three treatment parameters of supercritical CO2 have been optimized by a response surface method using central composite design to obtain isolate yield of flax rove. Influence of operating parameters including dosage of cellulase, temperature, and pressure on final response is evaluated. The results show that the experimental values are adequately fitted to a quadratic polynomial equation. The optimal isolate yield is obtained with 2% cellulase dosage under temperature of 50°C and pressure of 20 MPa. Mathematical model is also applied to describe the kinetic behavior of the treatment process, revealing that supercritical CO2 is a promising green solvent for the scouring and bleaching of flax rove.
KEYWORDS
supercritical CO2, response surface method, treatment, flax rove, kinetic behavior
PAPER SUBMITTED: 2017-02-20
PAPER REVISED: 2017-03-06
PAPER ACCEPTED: 2017-09-25
PUBLISHED ONLINE: 2018-09-09
DOI REFERENCE: https://doi.org/10.2298/TSCI1804613Z
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2018, VOLUME 22, ISSUE Issue 4, PAGES [1613 - 1619]
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Investigation of the optimal treatment condition for flax rove in supercritical CO2

© 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