Method and apparatus for the sterilization of biological waste

Details Method and apparatus for the sterilization of biological waste Method and apparatus for the sterilization of biological waste

2007-05-01

2007-05-01

Corcoran, Gladys JP (Department: 1744)

Chemical apparatus and process disinfecting, deodorizing, preser

Physical type apparatus

Heat treating vessel with heating means

C422S038000, C210S742000, C210S175000

Reexamination Certificate

active

10491765

ABSTRACT:
Continuous biowaste sterilization process, the operability of which is ensured in such a way that during process startup, extreme conditions possibly coming into question during operation are simulated, i.e. the greatest possible flow rate and the lowest temperature of the feed flow. In the startup stage, a liquid to be sterlized is circulated in the apparatus, until the capacity has been ascertained, whereafter the discharge stream can be conducted to a sewer system. The apparatus according to the invention comprises, in the flow direction of the biowaste-containing liquid, a storage tank, at least one feed pump capable of delivering a constant flow, at least one heating unit, at least one cooling unit, and a circulation circuit for circulating the biowaste-containing liquid through the heating unit, as well as connecting piping and valves. By means of specific piping and valve arrangements it is also ensured that all parts of the apparatus can be sterilized for maintenance purposes.

REFERENCES:
patent: 3219579 (1965-11-01), Kranz
patent: 3986955 (1976-10-01), Plicque
patent: 6521133 (2003-02-01), Roediger
patent: 0 391 508 (1990-03-01), None
patent: WO 89/03807 (1989-05-01), None
patent: WO 00/57928 (2000-10-01), None

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