The particulate matter collected during bio-oil combustion is composed … S. Chandra for … these products form a free-flowing, dark, red-brown liquid with a smoky, acrid … [12] D. Mohan, C.U. Pittman, Jr. and P.H. Steele , Pyrolysis of wood/biomass … [22] J.D. Adjaye, R.K. Sharma and N.N. Bakhshi, Characterization and…. (Some titles may also…