Drying and gas or vapor contact with solids – Material treated by electromagnetic energy – Microwave energy
Reexamination Certificate
2006-08-15
2006-08-15
Gravini, S. (Department: 3749)
Drying and gas or vapor contact with solids
Material treated by electromagnetic energy
Microwave energy
C034S090000, C210S603000
Reexamination Certificate
active
07089684
ABSTRACT:
A system for processing biosolids from a sludge pond into fertilizer comprising: a portable dewatering system for removing liquid from sludge, the portable dewatering system having: a collection device for collecting sludge from the sludge pond; a centrifuge for removing liquids from the sludge collected by the collection device to create a biosolids composition; and a transfer device to transfer the biosolids composition from the centrifuge; a transport vehicle for receiving the biosolids composition from the transport device, the transport vehicle transporting the biosolids from the sludge pond to a fixed processing plant; and the fixed processing plant having: a mixer for mixing a stabilizing agent with the biosolids composition to create mixed biosolids; a heating and sterilising system to heat and sterilize the mixed biosolids and for extruding sterilized pellets; and a drying system for drying the pellets, wherein the pellets can be used as fertilizer.
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BRS Agri2000 Ltd.
Gravini S.
Hoffman Wasson & Gitler
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