Apparatus for the treatment and composting of biological waste

Details Apparatus for the treatment and composting of biological waste Apparatus for the treatment and composting of biological waste

1978-04-20

1980-05-27

Spitzer, Robert H.

Liquid purification or separation

Recirculation

Serially connected distinct treating or storage units

71 9, 210213, 210216, 210218, 210256, 422209, 422229, C02C 114, C02C 140

Patent

active

042049598

ABSTRACT:
A first thermally insulated hollow cylinder is mounted for rotation about its longitudinal axis and a second hollow cylinder is mounted within the first cylinder for conjoint rotation therewith. The ends of the cylinders are closed to define a first annular chamber therebetween and a second chamber within the second cylinder. Inlet means for waste is provided communicating with the annular chamber adjacent one axial end thereof and a portion of said second cylinder adjacent the other axial end of said annular chamber is formed as a sieve permitting transfer of material from said annular chamber to the second chamber. Discharge means are provided communicating with the chamber within said second cylinder at the same axial end as the inlet, for the discharge of composted material.

REFERENCES:
patent: 614135 (1898-11-01), Schmidt
patent: 696506 (1902-04-01), Stanley
patent: 2146692 (1939-02-01), Tiedman
patent: 2656257 (1953-10-01), Hohnadel
patent: 3410233 (1968-11-01), Seiler
patent: 3561943 (1971-02-01), Gay, Jr. et al.
patent: 3720320 (1973-03-01), Fletcher
patent: 4072494 (1978-02-01), Gujer

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