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CHEMICAL REACTOR SYSTEM AND METHOD REGENERATIVE TURBINE

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CHEMICAL REACTOR SYSTEM AND METHOD REGENERATIVE TURBINE ( chemical-reactor-system-and-method-regenerative-turbine )

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US 2012/0071702Al Mar.22,2012 the gaseous state as a component gas of the atmosphere, dissolved carbon dioxide in surface Waters and carbonic acid insurfaceWaters.Thesolubilityofcarbondioxideishigherin salt Water than fresh Water, thus a signi?cant quantity of carbon dioxide released into the environment arguably cur rently resides in the oceans and other surface salt Water. See the National Oceanic and Atmospheric Administration PMEL Website, Carbon Program, Ocean Carbon Update page, http://WWWpmel.noaa.gov/co2/story/Ocean+Carbon+ Uptake and National Oceanic and Atmospheric Administra tionPMEL Website,CarbonProgram,OceanAcidi?cation page, http://WWW.pmel.noaa.gov/co2/story/Ocean+Acidi? cation. Water vapor bubbles and at a rapid rate, introducing them in a controlled fashion into pumped Water in a regenerative tur binepump andthencollapsingthebubblesproducedtocon vert the internal Water vapor of the bubbles into an ioniZed gas and ioniZed liquid mixture containing hydrogen, hydroxyl radicals and hydroxide, Which subsequently react With the carbondioxidegaspresentinthebubble,reducingittocarbon monoxide, With further reactions yielding methane. The car bon dioxide, carbon monoxide or methane is reacted With hydrogen to produce alkane gasses, such as propane or butane. [0015] Anotheraspectoftheinventionprovidesmethods and apparatus that use the properties of collapsing bubbles, [0012] Asaconsequenceoftheproductionofsigni?cant formedofcarbondioxidegasandWatervapor,inWater,asa amounts of carbon dioxide over the years, and the dissolution catalyst for reactions betWeen the Water vapor and liquid, ofcarbondioxideintosurfaceWatersovertime,amethodthat hydrogenandcarbondioxideinthegasandliquidphasesof can be used to harvest carbon dioxide from emissions sources,theatmospheredirectlyandsurfaceWatersandsub sequentlyconverttheharvestedcarbondioxidetorecoverable fuel gasses or liquids Would provide a neW and reneWable energy supply. Current solutions and techniques for carbon dioxideremovalfocusalmostentirelyonatmosphericcarbon dioxideandcontemplatemethodstosequesterorstorecarbon dioxide in perpetuity at great expense Without the bene?t of recycling orreuse. The economics ofthese approaches render them likely unfeasible, especially considering that the scale ofcarbondioxideprocessingcontemplatedismegatonnage. SUMMARY OF THE INVENTION [0013] Theinventionprovidesasolutiontotheaforemen tioned limitations of both hydrodynamic and ultrasonic cavi tation and a means to effectively and economically recover and recycle carbon dioxide using an approach scalable to megaton gas processing and suitable for application to gas eous, liquid and solid feedstocks containing carbon dioxide. Ratherthancausingbubblecollapsethroughcavitation,the invention provides methods and con?gurations to produce bubbles in a controlled Way directly and then, also in a directly controlled Way, collapse those bubbles at a speci?c rate to a speci?c siZe. In addition, the bubbles collapse While entrained in ?uid ?oW, preventing undesirable bubble col lapseuponprocesscomponentsurfaces.As theformationand collapseofthebubblesintheinventionoccursindependentof optimal?oW,pressure,temperature,viscosity,andothersol vent and solute properties, and the bubble siZes and collapse rates are directly controlled and not a function of effective ultrasonicamplitudesorfrequencies,or?xedpressureorHow establishedinspecialiZed?ttings,thismechanism ofbubble collapse can be applied to catalyZe reactions economically across a broader range of carbon dioxide containing feed stockvariability.The inventionalsoprovidesmethods and systemstoacceptagasstreamcontainingcarbondioxideand dissolve it in an aqueous solution to permit processing and methods and systems to process and reduce carbon dioxide and carbonic acid in aqueous solutions, such as seaWater, permitting the application for carbon dioxide conversion to fuel gas at both point sources of gas emission, such as poWer plants, and from environmental resources, such as seaWater, using the same apparatus and methods of chemical catalysis andsynthesis. thebubble,orasacatalystforreactionsbetWeenliquidWater, Water vapor, carbon, hydrogen, carbon dioxide and carbon monoxide gasses contained in the bubble and the Water, hydrogen, hydroxyl radicals and hydroxide in the pumped bubblecontainingWatermedia. [0016] Anotheraspectoftheinventionprovidesmethods and apparatus to form carbon dioxide gas and Water vapor containing bubbles in a pumped Water media and to collapse them in isolation from each other using a controlled hydro dynamically generated pressure pulse of su?icient magni tude,bothinrateofpressureincreaseandultimatemaximum pressurethatthebubblevibrates,forexampleatitseigenfre quency, during collapse for a su?icient interval of time to permittheformationofaplasmahotspotWithinthegasand liquidphasesofthecollapsingbubble. [0017] Yetanotheraspectoftheinventionprovidesadevice thatpermitsconcentrationsofcarbondioxideandWatervapor ofthebubblesformedinapumpedmediaatapump system inlettobebothdirectlyandindirectlycontrolled,atthetime of formation and during evolution through the various pos sible bubble siZes through to collapse, as the bubbles pass fromthepump inlet’sloWpressureZonethroughthepump at increasing pressure and out the discharge at a particular con trolledmaximum pressure. [0018] Stillanotheraspectoftheinventionprovidesapump system based on a regenerative turbine pump With compo nents arranged to alloW controlled bubble production and introduction into the pump inlet and subsequent collapse of thebubblesentrainedinthehelicalHow ofthepump Within the individual bucket chambers formed by the regenerative turbine pump impeller, Wherein the bubbles are collapsed singlyWithouttheinterferingeffectsofthecollapseofadja cent bubbles. [0019] Anotheraspectoftheinventionprovidesmethods andapparatusforelectricmotordrivenpump speedandpres surecontrol.Thepump controlsystemdynamicallycalcu latesoptimalpump speedandpump systempressuresforone of the alternate apparatus con?gurations or applications, to start and sustain the formation in the pumped media of a speci?c number of gas and vapor bubbles of a particular siZe andthensubsequentlycollapsethesamebubblesataparticu lar rate to a speci?c ultimate ?nal bubble siZe. The pump controlsystemincorporatesacontrollerthatprovidesaspeed setpointsignaltothepump motordriveandpressuresetpoint signalsusedtooperatepressureregulatingvalvescontrolling pump inlet,casinganddischargepressures. [0014] A pump systemandcontrollerforachemicalreactor for converting Water and carbon dioxide into a fuel gas are disclosed.Oneaspectoftheinventionprovidesmethodsand [0020] Thecontrollercanbeusedasananalyticaltoolto apparatus to produce carbon dioxide gas combined With determinetheoptimaloperationalparametervaluesrequired

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