Mineral oils: processes and products – Phenolic or toxic oils
Patent
1979-08-06
1981-12-01
Davis, Curtis R.
Mineral oils: processes and products
Phenolic or toxic oils
208 10, 208127, 208251R, C10G 100
Patent
active
043034942
ABSTRACT:
A solid product resulting from the nucleated growth of the product on solid material of either the same or different composition and having a density higher than the reaction medium is formed from one or more liquid phase reactants by a method which comprises tangentially introducing the liquid phase reaction medium into the lower, smaller end of an inverted, frusto-conical reactor-separator, thereby imparting an upward swirling motion to the reaction medium in the reactor-separator, the horizontal velocity at the bottom of the reactor-separator being sufficiently large to cause fluidization of larger, solid product particles and concentration of them in the central lower portion of the reactor-separator and the vertical velocity at the top of the reactor-separator being sufficiently small to avoid carry-over of the smaller solid particles but sufficiently large to concentrate them in the upper portion of the reactor-separator; at least periodically recovering the larger, solid product particles in spherical form from the bottom of the reactor-separator; and recovering fluid products from the top of the reactor-separator. The method described is useful in a variety of reactions wherein a solid product forms by a nucleated growth mechanism. Examples of such reactions include thermal upgrading of petroleum derived feedstocks and coal liquids, synthesis of zeolites and Ziegler-Natta polymerization of olefins.
REFERENCES:
patent: 2259717 (1941-10-01), Zentner
patent: 2650898 (1953-09-01), Case
patent: 2943047 (1960-06-01), Reeg et al.
patent: 3477941 (1969-11-01), Nelson
patent: 3661774 (1972-05-01), Masologites
patent: 4081351 (1978-03-01), Heinemann
patent: 4132639 (1979-01-01), Katz et al.
Whitehurst Darrell D.
Yan Tsoung Y.
Davis Curtis R.
Gilman Michael G.
Huggett Charles A.
Leader William
Mobil Oil Corporation
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