Low energy drying of swine lagoon sludge or digestate

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United States of America Patent

PATENT NO 11788790
APP PUB NO 20200271383A1
SERIAL NO

16797742

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Abstract

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Devices, systems, and methods for drying a bulk waste product, such as animal waste, having a moisture content of 95% or more water can include a trough configured to receive the bulk waste product and to dispense it in a form suitable for convective drying, one or more conveyors having an air-permeable conveyor belt, each conveyor receiving the waste product from the trough and transporting the waste product along a transport path; and one or more air moving devices (AMDs) that pass air through the air-permeable conveyor belt and across the waste product as it is transported along the transport path to transform the bulk waste product into a dried waste product having a moisture content of about 5% to about 20%, inclusive.

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Patent Owner(s)

Patent OwnerAddress
NORTH CAROLINA STATE UNIVERSITY1021 MAIN CAMPUS DRIVE RALEIGH NC 27606

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hopkins, Christopher B Raleigh, US 3 55
Stuckey, Joseph L Raleigh, US 2 1

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