Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc.
Patent
1993-02-03
1994-11-01
Lieberman, Paul
Mineral oils: processes and products
By treatment of solid mineral, e.g., coal liquefaction, etc.
208403, 208428, 208435, 201 20, 201 25, 201 36, 201 37, 201 38, C10G 100, C10B 5704, C10B 5100
Patent
active
053605373
ABSTRACT:
A continuously operable combustion-type retort apparatus includes an insulated retort. A preheater is preferably associated with the retort for preheating incoming material, and means are preferably provided for injecting acetic acid and steam into the incoming material. Heat is supplied from a combustion zone arranged near the bottom of the retort, wherein means are provided for combusting spent shale to provide the heat necessary for retorting. Means for injecting acetic acid and water are arranged above the combustion zone for preventing the combustion from spreading into the material being retorted. The invention also comprises a method of retorting to produce a very high quality oil from shale and having a 7:1 ratio of carbon to hydrogen, along with the production of valuable nitrogen related chemicals, activated lignin and cement.
REFERENCES:
patent: 1280178 (1918-10-01), Day
patent: 1374887 (1921-04-01), Sawtelle
patent: 2796390 (1957-06-01), Elliott
patent: 4325787 (1982-04-01), Strumskis
patent: 4396487 (1983-08-01), Strumskis
Georgia Oil & Gas Co., Inc.
Hailey Patricia L.
Lieberman Paul
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