Method and apparatus for continuous pumping of compressible soli

Details Method and apparatus for continuous pumping of compressible soli Method and apparatus for continuous pumping of compressible soli

1981-06-11

1983-11-15

Waltz, Thomas A.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

100145, C10L 508

Patent

active

044153368

ABSTRACT:
A method and apparatus is disclosed for feeding solid materials against high pressures wherein a compressible solid is continuously conveyed through a screw extruder having a design compression ratio of from about 50 to about 100 percent of the compression ratio of the solid material being conveyed.

REFERENCES:
patent: 704698 (1902-07-01), Edison
patent: 2817287 (1957-12-01), Onarheim et al.
patent: 2944286 (1960-07-01), Kullgren et al.
patent: 3232722 (1966-02-01), Sanders
patent: 3877365 (1975-04-01), Berggren
patent: 4074803 (1978-02-01), Kollberg
patent: 4152119 (1979-05-01), Schulz
Kirk--Othmer, Encyclopedia of Chemical Technology, 1964, John Wiley and Sons, Inc., vol. 4, pp. 668-671.

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