We used sucrose as carbon precursor and sodium silicate as silica precursor, and then generated a silica gel network and sucrose copolymer by the process of heat treatment. After carbonizing and etching the silica template, mesoporous carbons were obtained, whose pore sizes were 8-25nm. The obtained porous carbons were characterized by scanning electron microscope observation and nitrogen adsorption/desorption isotherms, we found that when the sucrose/ silica mol ratio was 0.33, pH ratio of the sol solution was 3, gelling tempreture was 80℃ and carbonization temperature was 850℃, the porous carbon prepared had BET surface area of 597.63m2/g, good pore volume, and mesoporosity, and had fine adsorption properties to rhamnolipid.
LI Jin
,
HE Jiao-Lian
,
SHI Jin-Gang
,
CHEN Zhen-Hua
,
ZENG Guang-Ming
. Preparation and Adsorption Properties of Rhamnolipid Adsorbent[J]. Journal of Inorganic Materials, 2006
, 21(6)
: 1339
-1344
.
DOI: 10.3724/SP.J.1077.2006.01339
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