Mineral oils: processes and products – Phenolic or toxic oils
Patent
1980-06-05
1982-03-09
Metz, Andrew
Mineral oils: processes and products
Phenolic or toxic oils
C10G 100
Patent
active
043187978
ABSTRACT:
The invention provides a process and an apparatus for hydrogenative liquefaction of coal to produce high yields of gasoline fraction and optional yields of diesel and residue fraction, all of superior quality. The coal is slurried and digested in two separate and distinct streams. The parting oil of the first stream is heavy residue fraction derived to a substantial extend from the second stream, mixed with light oil derived partly or wholly from the first stream. The pasting oil of the second stream is middle oil derived from the fractionated discharge of the first stream, any shortfall being made up from the discharge of the second stream. A high degree of flexibility is possible by varying the ratio of coal fed to the respective streams between 3:1 and 1:3, and individual manipulation of the process parameters within each stream in respect of pressure, temperature, catalyst, residence time, pasting oil composition and coal quality.
REFERENCES:
patent: 4070268 (1978-01-01), Davis et al.
patent: 4211631 (1980-07-01), Carr et al.
patent: 4222844 (1980-09-01), Nizamoff
patent: 4222846 (1980-09-01), Schmid
patent: 4222847 (1980-09-01), Carr et al.
Brink Andries
Jager Berend
Kleynjan Cornelis
Metz Andrew
Sasol One (Proprietary) Limited
Wiviott Fred
Wright William G.
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