Articles & Issues
- Conflict of Interest
- In relation to this article, we declare that there is no conflict of interest.
-
This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright © KIChE. All rights reserved.
All issues
국산무연탄의 고온고압 공기산화에 의한 유기산의 제조
Preparation of Organic Acids by the Oxidation of Korean Anthracite under High Pressure and Temperature
HWAHAK KONGHAK, December 1966, 4(3), 198-202(5), NONE
Download PDF
Abstract
Several studies have shown that bituminous coal can be used for the production of organic acids especially aromatic carboxylic acids, through oxidation. This research is concerned with the Korean anthracite could be used for the same purpose.
In case of Changsung anthracite the maximum yield was obtained when the coal was oxidized for 100 minutes at the reaction temperature of 270 ℃ under the oxygen pressure of 880 psig. In addition, six other kinds of anthracite were also tested. Among those Yongwol anthracite which showed the best yield, yielded about 40 % of water soluble organic acids on the amount of pure coal excluded moisture and ash.
It was also shown that the organic acid yield is not related with the proximate analytical value of coal but with the structure of coal or reactivity of coal, and the organic acids produced were identified as benzene polycarboxylic acids by esterification and I. R. Spectra.
In case of Changsung anthracite the maximum yield was obtained when the coal was oxidized for 100 minutes at the reaction temperature of 270 ℃ under the oxygen pressure of 880 psig. In addition, six other kinds of anthracite were also tested. Among those Yongwol anthracite which showed the best yield, yielded about 40 % of water soluble organic acids on the amount of pure coal excluded moisture and ash.
It was also shown that the organic acid yield is not related with the proximate analytical value of coal but with the structure of coal or reactivity of coal, and the organic acids produced were identified as benzene polycarboxylic acids by esterification and I. R. Spectra.
