Method and apparatus for recycling sewage sludge utilizing...

Details Method and apparatus for recycling sewage sludge utilizing... Method and apparatus for recycling sewage sludge utilizing...

2005-05-03

2005-05-03

Popovics, Robert James (Department: 1724)

Liquid purification or separation

Processes

Separating

C210S770000, C210S771000, C210S919000, C034S343000, C034S353000, C110S341000, C110S342000, C110S345000, C055S341110

Reexamination Certificate

active

06887389

ABSTRACT:
A method and apparatus are disclosed for mixing sewage sludge with spent water-softener lime in a ratio of approximately 10:1 on a wet basis. The mixture is introduced to a rotary pre-dryer kiln and a rotary combuster kiln to kill pathogens. An ash by-product and gases are thereby produced. The ash by-product can be disposed of at much less cost or can be incorporated in a variety of applications such as an aggregate substitute.

REFERENCES:
patent: 4028130 (1977-06-01), Webster et al.
patent: 4133273 (1979-01-01), Glennon
patent: 4245983 (1981-01-01), Lindroos
patent: 4466361 (1984-08-01), Henery et al.
patent: 4922841 (1990-05-01), Kent
patent: 5046435 (1991-09-01), Kugler
patent: 5057009 (1991-10-01), Nechvatal et al.
patent: 5217624 (1993-06-01), Yamane et al.
patent: RE34775 (1994-11-01), Nechvatal et al.
patent: 5377603 (1995-01-01), Reese et al.
patent: 6176187 (2001-01-01), Leonard et al.

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