Abstract:
A nozzle assembly and related methods for separating hydrocarbon emulsions in a fluid is provided. The nozzle assembly comprises an impingement plate into which hydrocarbon emulsions are ejected causing large emulsion particles in the fluid to be broken apart upon impact with the plate, thus allowing the various constituent components of the emulsion to be more easily separated. In certain embodiments, impact of the hydrocarbon emulsions into the impingement plate also expose clean surfaces on the various components of the emulsion fluid that can more easily interact with any surfactant that may be mixed with the fluid.
Abstract:
Method and apparatus for separating immiscible solid or liquid particles such as oil from a liquid-based mixture or emulsion. The apparatus consists of two spaced apart concentric elongated metal cylinders. The wall of the innermost cylinder contains a multiplicity of spaced apart radially bored holes and its exit end is capped. The outer surface of the innermost cylinder and the inner surface of the outer cylinder consist of a ferrous metal coated with a titanium oxide and irradiated with ultraviolet light. Liquid is pumped under pressure into the innermost cylinder causing a multiplicity of jets of liquid to issue from the holes in the inner cylinder wall to bombard the titanium oxide coating of the inner wall of the outer cylinder. Electrons freed from the titanium oxide in the wall combine with both liquid molecules and particle molecules, causing the particles to separate from the liquid.
Abstract:
A method and system (10) for selectively removing one component of a material thereby concentrating other components of the material are disclosed. The material is cooled to below the melting temperature of the material to form a supercooled liquid phase with heat transfer plate with cooling channels (20). Ultrasonic energy from ultrasonic drivers (42) is applied to the material to form solid phase crystals of the component to be removed. These crystals are removed to leave the concentrated product. The ultrasonic energy prevents the growth of dendrites on the crystals, resulting in the formation and removal of small crystals of the component to be removed without damage to or removal of the remaining components. Methods and apparatuses for cryoprecipitation and chromatography are also disclosed.
Abstract:
A process for separating solids from liquids in a filtration zone defined by a higher concentration zone and a lower concentration zone separated by a filter. The process includes the steps of directing a slurry feed comprising a liquid and solids into the higher concentration zone, directing a displacement fluid to the higher concentration zone and passing at least a portion of the liquid through a filter to the filtrate zone, producing a filtrate.
Abstract:
A method and system (10) for selectively removing one component of a material thereby concentrating other components of the material are disclosed. The material is cooled to below the melting temperature of the material to form a supercooled liquid phase with heat transfer plate with cooling channels (20). Ultrasonic energy from ultrasonic drivers (42) is applied to the material to form solid phase crystals of the component to be removed. These crystals are removed to leave the concentrated product. The ultrasonic energy prevents the growth of dendrites on the crystals, resulting in the formation and removal of small crystals of the component to be removed without damage to or removal of the remaining components. Methods and apparatuses for cryoprecipitation and chromatography are also disclosed.
Abstract:
An ultrasonic solution separator comprises an ultrasonic atomization chamber supplied with a solution containing a target material; an ultrasonic oscillator producing mist from the solution in the ultrasonic atomization chamber with ultrasonic oscillation; a power supply for ultrasonics connected to the ultrasonic oscillator, the power supply supplying high-frequency power to the ultrasonic oscillator so that the ultrasonic oscillator oscillates at an ultrasonic frequency; and a collection portion transporting the mist produced by the ultrasonic oscillator with a carrier gas and aggregating and collecting the mist included in the carrier gas. The ultrasonic separator aggregates and collects the mist produced in the ultrasonic atomization chamber by means of the collection portion. With this ultrasonic solution separator, the temperature of carrier gas in the ultrasonic atomization chamber is at least 5° C. higher than the carrier gas in the collection portion.
Abstract:
The present invention is an apparatus and process for cleaning substrates using dense fluids under the influence of centrifugal force and dense fluid phase changes. A perforated centrifuge drum operates within a pressure vessel having drains and fill ports. System controls include a high optical sensor, a low optical sensor, a pressure transducer, and a thermocouple. An external dense fluid cleaning and management system exchanges dense fluid and gas with the pressure vessel via the drain and fill ports. Dense fluid centrifugal separations prevent pooling and supercooling of liquid carbon dioxide avoiding recontamination of the substrate. The present invention can perform solvent-aided separation processes including liquid-liquid, liquid-supercritical-fluid, froth flotation and centrifugal phase-shift separations.
Abstract:
A zero-valent metal emulsion is used to dehalogenate solvents, such as pooled dense non-aqueous phase liquids (DNAPLs), including trichloroethylene (TCE). The zero-valent metal emulsion contains zero-valent metal particles, a surfactant, oil and water. The preferred zero-valent metal particles are nanoscale and microscale zero-valent iron particles
Abstract:
A method and an apparatus for reclaiming deicer from produced water of an oil or gas well includes a fractionation tower having a top condenser section, a bottom heat exchanger section and an intermediate packing section. A deicer outlet is positioned in the condenser section, for removal of condensed deicer. An inlet is provided to receive produced water contaminated by deicer. The inlet is coupled to the condenser section such that produced water must pass through the condenser to enter the inlet. A water outlet is provided in the heat exchanger section. Operation of the water outlet is controlled to maintain a predetermined level of accumulated water in the heat exchanger section. The heat exchanger is adapted to be coupled with a source of hot fluids produced by an external heat source. The circulation of hot fluids through the heat exchanger heats accumulated water in the heat exchanger section.
Abstract:
The present invention is an apparatus and process for cleaning substrates using dense fluids under the influence of a continuous centrifugal force. Dense fluid centrifugal separations resolve many problems associated with conventional dense fluid cleaning technology. These include elimination of pooling and supercooling of liquid carbon dioxide trapped within pores and cavities of a substratenullleading to formation of dry ice and recontamination of substrate, ability to precision clean using one unit volume of dense fluid per cleaning operation and ability to remove small insoluble particles from deep voids or cavities. The present invention can perform solvent-aided separation processes heretofore not possible using conventional dense fluid technology. These include liquid-liquid, liquid-supercritical-fluid, froth flotation and centrifugal phase-shift separations. Finally, the present invention embodies an alternative dense fluid centrifuge apparatus that can tilt from vertical to any angle of orientation to horizontal. This allows for a large variety of substrate cleaning and finishing applications using the dense fluid technology such as barrel finishingnulldeburring and cleaning in one single device and process.