“…kinetics of two medium gravity oils (19.9" and 27.I"API). His experiments, which were conducted in a packed, tubular reactor, gave reaction orders with respect to oxygen, in the range 0.5 to 1 .O which compare favourably with values reported by others (Warren, Reed and Price, 1960, Burger, 1976, Tadema and Weijdema, 1970, Smith and Perkins, 1973.…”