Apparatus for pathogen reduction in waste

Liquid purification or separation – With heater or heat exchanger – With mechanical agitator or movable separator

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210205, B01D 3518, C02C 300

Patent

active

053466160

ABSTRACT:
An apparatus for pathogen reduction in waste where dewatered sludge having a solids content in the range of 10-60% is mixed with an additive selected from the group consisting of calcium oxide or calcium carbonate group. Hydration to calcium hydroxide occurs with an attendant release of heat. The pH of the sludge is then elevated and the heat of the hydration reaction is retained resulting in effective neutralization of pathogens.

REFERENCES:
patent: 2723954 (1955-11-01), Young
patent: 3793841 (1974-02-01), Dozsa
patent: 4028240 (1977-06-01), Manchak, Jr.
patent: 4118243 (1978-10-01), Sandesara
patent: 4270279 (1981-06-01), Roediger
patent: 4295972 (1981-10-01), Kamei
patent: 4306978 (1981-12-01), Wurtz
patent: 4369111 (1983-01-01), Roediger
patent: 4460470 (1984-07-01), Reimann
patent: 4514307 (1985-04-01), Chestnut et al.
patent: 4541986 (1985-09-01), Schwab et al.
patent: 4597872 (1986-07-01), Andersson et al.
patent: 4614587 (1986-09-01), Andersson et al.
patent: 4632759 (1986-12-01), Andersson et al.
patent: 4659471 (1987-04-01), Molin et al.
patent: 4659472 (1987-04-01), Norlund et al.
patent: 4663043 (1987-05-01), Molin et al.
patent: 4709003 (1978-03-01), Manchak
patent: 4760650 (1988-08-01), Theliander et al.
patent: 4779528 (1988-10-01), Bruke
patent: 4781842 (1988-11-01), Nicholson
patent: 4852269 (1989-08-01), Glorioso
patent: 4902431 (1990-12-01), Nicholson et al.
Wallace & Tiernan, Paste-Type Lime-Slaking Systems, Sep. 1989.
Berman, Lime Stabilization/Pasteurization vs Traditional Methods, Jun. 1989.
Westphal & Christensen, Lime Stabilization; Effectiveness of Two Process Modifications, Villanova University, Jun. 1982.
EPA, Process Design Manual for Sludge Treatment and Disposal, Sep. 1979.
Christensen, Lime Stabilization of Wastewater Sludges-An Assessment, Villanova University, Mar. 1981.
Westphal & Christensen, Lime Stabilization: Effectiveness of Two Process Modifications, Nov. 1983.

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