scholarly journals 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 ◽  
Author(s):  
D. V. Kenny ◽  
S. V. Olesik
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