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Citation: ZHANG Hairong, LANG Jianping, CHEN Jine. Scavenging Effect of β-Cyclodextrin on Polynuclear Aromatic Hydrocarbons of Coal Tar and Smog[J]. Chinese Journal of Applied Chemistry, ;2011, 28(3): 364-366. doi: 10.3724/SP.J.1095.2011.00351 shu

Scavenging Effect of β-Cyclodextrin on Polynuclear Aromatic Hydrocarbons of Coal Tar and Smog

1.
Laboratory of Biochemical Analysis, Xinzhou Teacher's University, Xinzhou 034000

Corresponding author: ZHANG Hairong,
Received Date: 21 June 2010
Available Online: 29 August 2010
Fund Project: 山西省自然科学基金(20051028)资助项目 (20051028)

The contents of polynuclear aromatic hydrocarbons (PAHs) in tar and smog of burned coal produced in 7 different areas have been measured using three-dimensional fluorescent method. The range of PAHs in coal tar is from 0.201~0.419 mg/g and in coal smog is from 1.1~3.2 μg/g. Scavenging capacity for PAHs in coal smog by β-CD solution was determined to be 65.6%. The results showed that:PAHs contents of coal smog is different as the origin of coal varies. The PAHs content in coal tar is in the order of 10^-5 mol/L, and more than that in the order of (10^-7 mol/L) in coal smog. As the producing area varies, the scavenging rates of PAHs in coal smog by β-CD solution is also different, the average scavenging rate of 7 kinds of selected coals was 38.4%. Hence, it is hopeful that the β-CD solution can be used as an effective removal agent for PAHs in coal smog.
- fluorescence,
- coal extracts,
- polynuclear aromatic hydrocarbons,
- phenanthrene,
- scavenging rate
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