Activated Carbons from the Compressed Plant Materials (Coconut Shell) and Copolymers of Furfural

被引:0
作者
Kishibayev, K. K. [1 ]
Kabulov, A. T. [1 ]
Tokpayev, R. R. [1 ]
Atchabarova, A. A. [1 ]
Yefremov, S. A. [1 ]
Voropaeva, N. L. [2 ]
Nechipurenko, S. V. [1 ]
Nauryzbayev, M. K. [1 ]
Tasibekov, Kh. S. [1 ]
机构
[1] All Farabi Univ, Ctr Physicochem Res & Anal Methods, Karasai Batyr Str 95A, Alma Ata 050012, Kazakhstan
[2] All Russian Rapeseed Inst, State Res Inst, Boevoy Proezd Str 26, Lipetsk 398037, Russia
来源
INZYNIERIA MINERALNA-JOURNAL OF THE POLISH MINERAL ENGINEERING SOCIETY | 2016年 / 01期
关键词
activated carbon; sorbent; furfural copolymers; coconut shell; mesopores micropores; specific surface; sorption activity by cyanide complex of the gold;
D O I
暂无
中图分类号
TD [矿业工程];
学科分类号
0819 ;
摘要
This paper dwells upon the physical and chemical properties of activated carbons based on compressed plant materials (coconut shell) and on furfural copolymers, the paper also gives the results of their elemental analysis by ICP-MS method, the structure and morphology of the obtained sorbents have been determined by scanning electron microscopy. The specific surface of the obtained activated carbons has shown that a sorbent based on coconut shell has the highest specific surface (Sspecific surface = 1100 m(2)/g) if compared to the sorbent based on copolymers of furfural (Sspecific surface = 653 m(2)/g). However, the sorbent based on furfural copolymers has a higher mechanical resistance to abrasion (98%) and a low ash content (0.3%) compared to the indices of the sorbent based on coconut shell (mechanical strength = 92%, ash content = 2.5%). The study of the structure and morphology of the obtained activated carbons has shown that within the structure of the sorbent based on the copolymers of furfural mesopores predominate together with micropores, when in the structure of the sorbents based on coconut shells micropores are mostly predominant. The elemental analysis of the adsorbents has shown that they are mainly composed of carbon, but there were also some trace amounts of some other elements.
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页码:181 / 188
页数:8
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