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Boonyawan Yoosuk. The sorption of H2S from the hydrocarbon mixture gas by iron oxide type sorbent. (). King Mongkut's University of Technology North Bangkok. Central Library. : , 2016.
The sorption of H2S from the hydrocarbon mixture gas by iron oxide type sorbent
Name: Buppa Shomchoam
Organization :
National Metal and Materials Technology Center
Email :
buppap@mtec.or.th
Name: Boonyawan Yoosuk
Organization :
National Metal and Materials Technology Center
LCSH:
Hydrogen sulfide
LCSH:
Iron oxide
LCSH:
Hydrocarbons
Abstract:
Hydrogen sulfide (H2S) is a major environmental hazard and needed to be reduced to
low levels. H2S is very corrosive and highly toxic for the living organism at relatively high
concentration and so efficient methods for their removal are urgently needed. In this work,
iron oxide samples (Ferric oxide; Fe2O3, Magnetite; Fe3O4, Laterite and Sandstone) were
selected as sorbent due to low cost. Phase transformation of Fe3O4 to α-F2O3 was reported. In
the oxidizing atmosphere, some part of Fe3O4 phase transformed to α-F2O3 when the
temperature was 450 ºC. This caused the reduction of the H2S sorption capacity. Moreover,
the effects of sorption temperature, flow rate of the hydrocarbon mixture gas were
investigated. The sorption capacity was significantly enhanced when the temperature
increased from 30 ºC to 105 ºC. The higher temperature resulted in the reduction of the
sorption capacity since it promoted desorption. As the gas flow rate is reduced, H2S
molecules have a longer time to diffuse into the inner sorbent pore and to stay in the sorbent.
The probability of the H2S molecules interacting with the sorbent surfaces is also increased,
and hence the H2S sorption capability is increased. Accordingly, the sorption performance
depends upon allowing sufficient contact time between the H2S molecules and sorbents to
reach equilibrium.
King Mongkut's University of Technology North Bangkok. Central Library
Address:
BANGKOK
Email:
library@kmutnb.ac.th
Created:
2016
Modified:
2019-10-11
Issued:
2019-10-11
บทความ/Article
application/pdf
BibliograpyCitation :
In Chemical Society of Thailand under the Patronage of Professor Dr. HRH Princess Chulabhorn and Chulalongkorn University Faculty of science. Pure and Applied Chemistry International Conference (PACCON 2016) (pp.183-187). Bangkok : Chemical Society of Thailand under the Patronage of Professor Dr. HRH Princess Chulabhorn
eng
©copyrights King Mongkut's University of Technology North Bangkok
RightsAccess:
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0.031792 วินาที
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