Extraction of Lignite Coal Fly Ash for Polynuclear Aromatic Hydrocarbons: Modified and Unmodified Supercritical Fluid Extraction, Enhanced-Fluidity Solvents, and Accelerated Solvent Extraction
1998 ◽
Vol 36
(2)
◽
pp. 59-65
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1998 ◽
Vol 36
(2)
◽
pp. 66-72
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1996 ◽
Vol 19
(9)
◽
pp. 1473-1482
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1991 ◽
Vol 14
(9)
◽
pp. 633-635
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1994 ◽
Vol 672
(1-2)
◽
pp. 167-175
◽
1995 ◽
Vol 18
(11)
◽
pp. 709-712
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