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Optimization of adsorption conditions for the removal of petroleum compounds from marine environment using modified activated carbon fiber by response surface methodology
Author(s) -
Xue Jianliang,
Cui Qinqin,
Bai Yu,
Wu Yanan,
Gao Yu,
Li Lin,
Qiao Nenghu
Publication year - 2016
Publication title -
environmental progress and sustainable energy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.495
H-Index - 66
eISSN - 1944-7450
pISSN - 1944-7442
DOI - 10.1002/ep.12367
Subject(s) - adsorption , activated carbon , response surface methodology , iodine value , fiber , chemical engineering , materials science , diesel fuel , methylene blue , chemistry , chromatography , organic chemistry , composite material , catalysis , photocatalysis , engineering
In this article, modified activated carbon fiber (ACF) adsorbing emulsified oil is proposed as an effective method to treat oil spill. At first, the ACF was modified by HNO 3 , and the adsorption was studied in batch mode. Then, single factor experiment and the response surface methodology were applied to optimize the adsorption condition. The optimum condition was found as: 0.43 g adsorbent dosage, 125 s adsorption time, and 4% salinity. The result indicates that: The carboxyl group of the modified ACF surface obviously increased; specific surface area, iodine adsorption, and methylene cyanine adsorption decreased. Under the optimal condition, the removal rate of diesel could be 87.75%. © 2016 American Institute of Chemical Engineers Environ Prog, 35: 1400–1406, 2016