Physicochemical characteristics of waste sea shells for acid gas cleaning absorbent

Citation
Jh. Jung et al., Physicochemical characteristics of waste sea shells for acid gas cleaning absorbent, KOR J CHEM, 17(5), 2000, pp. 585-592
Citations number
19
Categorie Soggetti
Chemical Engineering
Journal title
KOREAN JOURNAL OF CHEMICAL ENGINEERING
ISSN journal
02561115 → ACNP
Volume
17
Issue
5
Year of publication
2000
Pages
585 - 592
Database
ISI
SICI code
0256-1115(200009)17:5<585:PCOWSS>2.0.ZU;2-N
Abstract
The properties of waste shells, which cause pollution problems, are investi gated in Southern beach, Korea. The absorbent surface area was affected by the contaminant gas removal efficiency of the waste shell absorbents, pore structures, absorbent deliquescence and hygroscopicity during the contamina nt gas reaction. The BET surface area of calcination/hydration waste shell and limestone samples was increased by hydration in isothermal conditions. The absorption rate with acid gas is predicted by apparatus for measuring t he hydration rate. The BET surface area of waste shell samples hydrated at 90 degrees C isothermal condition was greatly increased. And pore size dist ribution and diameter were increased after calcination/hydration reaction. Waste seashells can be regarded as a good absorbent for removing acid gases . Therefore, the recycling of waste seashells as a substitute for limestone would be profitable.