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US 12,643,807 B2Granted
Processes and systems for de-watering sludge
AssigneeNewSouth Innovations Pty Limited
InventorsRichard Mark Pashley, Mojtaba Taseidifar, Barry Ninham, Mohammad Ziaee
Life of this patent
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Abstract
Disclosed herein is a process for de-watering a sludge. The process comprises heating a de-watering fluid, and passing the de-watering fluid through the sludge, thereby de-watering the sludge. Also disclosed herein is a system for de-watering a sludge and a sludge which is at least partially de-watered according to the process.
Claims16
A process for de-watering sludge, comprising:
- heating a gas to a temperature of from 100° C. to 350° C.;
- and
- passing the heated gas through a gas-permeable membrane supporting sludge at a surface thereof, causing bubbles of hot gas to form at an interface between the surface of the gas-permeable membrane and the sludge;
- and
- passing the bubbles of hot gas through the sludge, thereby de-watering the sludge.
2 more elements
A system for de-watering sludge, comprising:
- a source of gas capable of supplying a gas;
- a gas-permeable membrane in fluid communication with the source of gas, the gas-permeable membrane being capable of supporting sludge at a surface of the gas-permeable membrane;
- and
- a heater in communication with the source of gas, the heater being configured to heat the gas to a temperature of from 100° C. to 350° C. at an upstream side of the gas-permeable membrane, causing bubbles of hot gas to form at an interface between the surface of the gas-permeable membrane and the sludge,
- wherein passage of the bubbles of hot gas through the sludge enables de-watering of the sludge.
2 more elements
Dependencies are inferred from the claim text.