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FLOW THROUGH CAVITATION ASSISTED

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FLOW THROUGH CAVITATION ASSISTED ( flow-through-cavitation-assisted )

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US 2010/0101978A1 Apr.29,2010 [0121] FIG.21illustratesthenozzles136andthechannel 138 therein. The total cross-sectional channel area (8,) of each multi-jet nozzle is less than that of the next multi-jet nozzle (SW1) following the ?oWpath, according to the equa tion:l.0§Sn+1/Sn§l.l,Wheren:l,2,3,4,5,6,7,8or9.This helps save energy required forpumping a ?uid ?oW through the multi-zone cavitation system. To scale back the cavitation device parts, for example, the multi-jet nozzle 136, it is nec essary to place the channels 138 for ?uid passage as close as possible. The number of the channels 138 of the multi-jet nozzle136islimitedbytheratioofthetotalareaofthelargest cross-sectional openings of the channels (5d) to the surface areaofthemulti-jetnozzle(SD):Sa/81320.8,Where (kisthenumberofchannelsofthemulti-jetnozzle;SZ-IJ'IZd7-2/ 4, Where dz. is the largest diameter of the channels I, and SD:J'|§D2/4,WhereD isthemulti-jetnozzlediameter. [0122] Variousdetailedembodimentsofacavitationdevice 30,80,100ofthepresentinventionaredisclosedherein.Any oneofthesedescribedembodiments arecapableofachieving the stated results for the modi?cation of crude oil using the inventive process as described herein. HoWever, it should be understood, that the disclosed embodiments are merely exemplary ofthe cavitation device, Which may be embodied in various forms. Therefore, the details disclosed herein are nottobeinterpretedaslimiting,butmerelyasthebasisforthe claimsandasabasisforteachingone skilledinthearthoW to make and use the present invention. [0123] Althoughseveralembodimentshavebeendescribed in detail for purposes of illustration, various modi?cations may be made Without departing from the scope and spiritof theinvention. What isclaimedis: 1.A processformodi?cationofcrudeoil,comprisingthe stepsof: combining crude oil With Water and a catalyst to create a ?uidiccrudeoil; pumpingthe?uidiccrudeoilthrougha?oWpathinamulti stage,?oW-through,hydrodynamiccavitationdevice; generating localized zones of reduced ?uid pressure in the ?uidic crude oil as itispumped through the ?oWpath; creating cavitational features in the localized zones of reduced ?uid pressure; collapsingthecavitationalfeaturestoexposecomponents of the ?uidic crude oil to sudden, localized increases in temperature and pressure; and inducing chemical reactions betWeen components in the ?uidiccrudeoiltopromotemolecularrearrangementof the components and modify rheological parameters of the ?uidic crude oil. 2. The process of claim 1, Wherein the ?uidic crude oil is pumped atacontrolledinletpressureapproximatingambient pressure. 3.Theprocessofclaim1,Whereinthe?oWpathhasaseries of chambers With varying diameters and static elements to create sudden reductions in ?uid pressure. 4.Theprocessofclaim1,Whereinthecavitationalfeatures comprise cavitation bubbles containing vapors of volatile components in the ?uidic crude oil. 5.Theprocessofclaim4,Whereinthevaporsofthevolatile components in the cavitational bubbles are mixed With adja cent layers of condensed ?uidic crude oil, transiently enriched With less volatile components of the ?uidic crude oil, upon collapse of the cavitation bubbles. 6. The process of claim 1, Wherein the rheological param eters include viscosity, API gravity, and heterogeneity. 7. The process of claim 1, further comprising the step of pumping the ?uidic crude oil through multiple cavitation devicesarrangedinseriesand/orparallel. 8.Theprocessofclaim1,Whereinthecrudeoilcomprises bitumen,asphalt,maltenesorpetroleumheavycrudeandthe catalyst comprises a zeolite. 9. The process of claim 1, further comprising the step of combining the ?uidic crude oil With solvents and/or surfac tants to loWer the viscosity of the ?uidic crude oil. 10. The process of claim 1, further comprising the step of applying a pulsed electrical or magnetic ?eld to the ?uidic crude oil to loWer the viscosity of the ?uidic crude oil. 11. The process of claim 1, further comprising the step of pre-heatingthe?uidiccrudeoiltoloWertheviscosityofthe ?uidic crude oil. 12. The process of claim 1, further comprising the step of exposingthe?uidiccrudeoiltoUV lightirradiationorsonic irradiation before, during or after the creation of the cavita tionalfeatures. 13.A processformodi?cationofcrudeoil,comprisingthe stepsof: combining crude oil With Water and a catalyst to create a ?uidiccrudeoil; pumpingthe?uidiccrudeoilthrougha?oWpathinamulti stage, ?oW-through, hydrodynamic cavitation device, Wherein the ?uidic crude oil is pumped at a controlled inletpressureapproximatingambientpressure; generating localized zones of reduced ?uid pressure in the ?uidic crude oil as itispumped through the ?oWpath; creating cavitational features in the localized zones of reduced?uidpressure,Whereinthecavitationalfeatures comprise cavitation bubbles containing vapors of vola tile components in the ?uidic crude oil; collapsing the cavitational features to expose components of the ?uidic crude oil to sudden, localized increases in temperature and pressure; and inducing chemical reactions betWeen components in the ?uidiccrudeoiltopromotemolecularrearrangementof the components and modify rheological parameters of the ?uidic crude oil. 14. The process of claim 13, Wherein the ?oWpath has a seriesofchambersWithvaryingdiametersandstaticelements to create sudden reductions in ?uid pressure. 15. The process of claim 13, Wherein the vapors of the volatile components in the cavitational bubbles are mixed With adjacent layers of condensed ?uidic crude oil, tran siently enriched With less volatile components of the ?uidic crude oil, upon collapse of the cavitation bubbles. 16. The process of claim 13, Wherein the rheological parametersincludeviscosity,APIgravity,andheterogeneity. 17.Theprocessofclaim13,furthercomprisingthestepof pumping the ?uidic crude oil through multiple cavitation devicesarrangedinseriesand/orparallel. 18. The process of claim 13, Wherein the crude oil com prisesbitumen,asphalt,maltenesorpetroleumheavycrude and the catalyst comprises a zeolite. 19.Theprocessofclaim13,furthercomprisingthestepof combining the ?uidic crude oil With solvents and/or surfac tants to loWer the viscosity of the ?uidic crude oil.

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