Abstract: A filtration separation method for waste resin containing highly radioactive uranium powder and device thereof is mainly used for the waste resin after water treatment process in a nuclear facility. The uranium powder contained in the waste resin is highly radioactive. Thus, prior to the treatment of the waste resin, it is necessary to filter and separate the highly radioactive uranium powder to reduce the radioactivity. It is to put the uranium powder containing waste resin into an underwater holding tank and withdraw the waste resin by an underwater pump into a uranium powder filtration box. Then the uranium powder filtration box is lifted by a hoist to move to an underwater ultrasonic cleaner. High-pressure water flushing is applied and followed by underwater ultrasonic cleaning. Then the cleaning water (containing precipitated uranium powder) from the ultrasonic cleaner is drained to uranium powder collection device.
Abstract: A drug deactivation system according to some embodiments includes at least one drug-retaining region of a drug delivery device and at least one energy source coupled to the at least one drug-retaining region. The at least one drug-retaining region may be configured to retain a drug. The at least one energy source may be configured to transmit energy to the drug. The drug is capable of being rendered ineffective in the presence of the transmitted energy.
Type:
Application
Filed:
July 3, 2012
Publication date:
November 1, 2012
Applicant:
Palo Alto Research Center Incorporated
Inventors:
Scott Albert Uhland, Eric Peeters, Francisco E. Torres, Philipp Helmut Schmaelzle
Abstract: A Bayer process is disclosed. The Bayer process includes a step of treating any one or more of: (a) Bayer liquor or liquors produced in the process, (b) precipitated aluminium trihydrate particles produced in the process, and (c) other solids added to or produced in the process, with ultrasonic energy and destroying organics in the liquor or liquors, on the precipitated aluminium trihydrate particles, and on the other solids.
Abstract: A system for neutralizing contaminants, such as pathogens, toxins, and biological organisms on or within an object, which may be housed in a container, such as an envelope, by focusing a plurality of energies or fields including electromagnetic, electrostatic, magnetic, or acoustic on the object in an amount effective to neutralize such contaminants without substantially deleteriously affecting the object or its contents is provided. A pressurizable chamber has means for focusing the energies or fields on the object, in a continuous fashion, and to concentrate the controlled energies at the object and its contents. A pressurization and evacuating system for expelling air and entrained contaminants from the object allowing a sensor to detect and classify contaminants within the chamber.
Abstract: A process is described for the degradation, detoxification and decontamination treatment of contaminated solid or liquid matrices and/or relative functional revalorisation and for their sterilisation, which comprises placing said matrix in contact with at least one saline catalyst and at least one oxidising agent chosen from among percarbonates, perborates or metal peroxides in the presence of a last one energy source chosen from among microwaves (MW), ultrasounds (US) and ultraviolet rays (UV).
Type:
Application
Filed:
October 12, 2005
Publication date:
December 25, 2008
Inventors:
Giancarlo Cravotto, Wander Tumiatti, Carlo Maria Roggero
Abstract: The present disclosure generally relates to methods for disinfecting surfaces. More particularly, the present disclosure relates to methods for destroying prion molecules using a combination of ultrasonic energy and enzyme treatment that is effective to denature and degrade prion proteins.
Type:
Application
Filed:
April 3, 2007
Publication date:
October 9, 2008
Applicant:
KIMBERLY-CLARK WORLDWIDE, INC.
Inventors:
David W. Koenig, Douglas R. Hoffman, Sara Carney
Abstract: A method for effectively degrading and destroying many pharmaceutical and personal care compounds in aqueous solutions. The method includes providing an aqueous solution containing at least one pharmaceutical or personal care compound (e.g., estrogene hormone, antibiotics, and the like) to a reactor. A source of ultrasound is provided having a predetermined energy and intensity. The aqueous solution is sonicated in the reactor to degrade and destroy the at least one pharmaceutical or personal care compound. Further provided is a related method for degrading and destroying many pharmaceutical and personal care pollutants in aqueous sludge while simultaneously enhancing the biodegradability and dewaterability of the aqueous sludge. Still further provided is a related method for predicting the first order ultrasound-induced degradation rate constant of any estrogen compound present in an aqueous solution based on the rate constant of estrone.
Type:
Application
Filed:
September 22, 2006
Publication date:
March 27, 2008
Inventors:
Rominder P.S. Suri, Hongxiang Fu, Mohan Somanath Nayak
Abstract: A process for treating a solid-liquid mixture by cavitation to decompose at least some contaminant associated with the solid particles, the contaminant either being absorbed into the pores of the solid or onto the surface of the solid particles. The process includes the step of subjecting the mixture to cavitation such that a portion of the contaminant is chemically decomposed. Typically the chemical decomposition occurs at the surface of the solid particle. Typically the cavitation process is an ultrasonic treatment step, although other cavitation processes are applicable, for example high shear mixing. The cavitation effect is capable of achieving physico-chemical changes at the particle surfaces. The localized high temperatures on bubble collapse (as high as 5000K) can decompose contaminant substances such as PCB and other hazardous materials including polybrominated biphenyl PBB), organochloride and organophosphate compounds, pesticides and the like.
Type:
Grant
Filed:
September 13, 2001
Date of Patent:
June 21, 2005
Assignee:
Commonwealth Scientific and Industrial Research Organisation