Removal of organic contaminants from solid particles
AssigneeTorftech Limited
InventorsMartin P. Atkins, David A. Kidd
Life of this patent
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Abstract
Organic contaminants of solid particles, especially oil in drill cuttings, are removed by passing the contaminated particles into a processing chamber, generating a circumferentially directed flow of fluid within the chamber to cause the particles to circulate in the chamber in a turbulent compact band, incinerating the particles and removing them substantially free from organic contaminants from the chamber.
Claims22
A method for removing organic contaminants from solid particles comprising said contaminants, said method comprising the steps of:
- (a) providing solid uncontaminated particles to a processing chamber;
- (b) generating a circumferentially directed flow of fluid within the chamber to cause the uncontaminated particles to circulate about an axis of the chamber in a turbulent compact band;
- (c) providing solid particles contaminated with an organic contaminant to the processing chamber subsequent to steps (a) and (b);
- (d) generating a circumferentially directed flow of fluid within the chamber to cause the particles to circulate about an axis of the chamber in a turbulent compact band;
- (e) incinerating the particles within the chamber;
- and
- (f) removing the particles substantially free from organic contaminants from the chamber under gravity.
A method for removing oil contaminants from drill cuttings containing off, said method comprising the steps of:
- (a) providing solid uncontaminated particles to a processing chamber;
- (b) generating a circumferentially directed flow of fluid within the chamber to cause the uncontaminated particles to circulate about an axis of the chamber in a turbulent compact band;
- (c) providing said cutting to the processing chamber subsequent to steps (a) and (b);
- (d) generating a circumferentially directed flow of fluid within said chamber to cause said cuttings to circulate about an axis of the chamber in a turbulent compact band;
- (e) heating said cuttings in said band in an oxidizing gas to effect incineration within the chamber and produce particles substantially free from oil;
- and
- (f) removing said particles from said chamber under gravity.
Dependencies are inferred from the claim text.