PDF Publication Title:
Text from PDF Page: 006
1 2 ide to ethane above one, and the azeotrope is not formed. For further illustrations of carbon dioxide removal, see U.S. Pat. No. 4,475,347, issued Oct. 9, 1984, to Heg artyetal.,entitled“ProcessforSeparatingcarbondiox ide and Sulphur-Containing Gases from a Synthetic Fuel Production Process Off-Gas”; U.S. Pat. No. 3,453,835, issued July 8, 1969, to Hochgesand, entitled “Absorption of carbon dioxide Employing Separately Cooled Absorbent Streams”; U.S. Pat. No. 3,977,203, issued Aug. 31, 1976, to Hinton et al., entitled “Puri?ca tion of Natural Gas by Liquid/Liquid Extraction with a Polar Solvent”; U.S. Pat. No. 4,252,548, issued Feb. 24, 1981,toBreiteretal.,entitled“carbondioxideRemoval CARBON DIOXIDE ABSORPTION METHANOL PROCESS CROSS REFERENCE TO RELATED APPLICATION This application is a continuation-in-part of U.S. ap plication Ser. No.'832,747, ?led Feb. 24, 1984, by Fred Apffel,entitled“CarbonDioxideAbsorptionMethanol Process,” which is U.S. Pat. No. 4,675,035, issued June 23, 1987. TECHNICAL FIELD 4,861,360 The invention relates generally to the removal of 15 from Methane-Containing Gases”; U.S. Pat. No. carbon dioxide from a mixed hydrocarbon stream. More speci?cally,itrelatestotheabsorptionofcarbon dioxide with methanol for such removal. BACKGROUND ART Numerous secondary oil recovery projects use car bon dioxide as a miscible injectant to recover additional oil from existing oil reservoirs. Carbon dioxide has the ability to reduce the surface tension of oil adhering to 4,293,322, issued Oct. 6, 1981, to Ryan et al., entitled “DistillativeSeparationofcarbondioxidefromHydro gen Sul?de”: US. Pat. No. 4,318,723, issued Mar. 9, 1982, to Holmes et al., entitled “Cryogenic Distillative 20 SeparationofAcidGasesfromMethane”;U.S.Pat.No. 4,350,511, issued Sept. 21, 1982, to Holmes et al., enti tled “Distillative Separation of carbon dioxide from Light Hydrocarbons”: U.S. Pat. No. 4,383,841, issued May 17,1983,toRyanetal.,entitled“DistillativeSepa shaleorrocks,causingitto?owoutoftheoilwell.As 25 rationofcarbondioxidefromHydrogenSul?de”;U.S. the oil is produced from the carbon dioxide injection, the related gas produced will increase in volume and carbon dioxide concentration. The total gas volume will increase by a factor of ?ve to seven. The hydrocarbon gasvolumewillincreasebyafactoroftwo.The carbon dioxide concentration will increase from 5 to 90 percent by volume over the nine to ten year life of the project. The composition ofthe hydrocarbons will vary litle. Pat. No. 4,383,842, issued May 17, 1983, to O’Brien, entitles “Distillative Separation of Methane and carbon dioxide”; U.S. Pat. No. 4,462,814, issued July 31, 1984, toHolmes etal.,entitled“DistillativeSeparationofGas Mixtures Containing Methane, carbon dioxide and Other Components”; U.S. Pat. No. 3,595,782, issued July 27, 1971, to Bucklin et al., entitled “Method for Separating carbon dioxide from Hydrocarbons”; U.S. Pat.NO. 3,640,052,issuedFeb.8,1972,toKonokietal., entitled “Process for Removing carbon dioxide in a CombinedSystemforProducingAmmoniaandUrea”; U.S. Pat. No. 3,683,634, issued Aug. 15, 1972, to Streich, entitled “Fractionation with Subsequent Re combination ifFeed in Double Column Recti?er”; U.S. This carbon dioxide must be removed before the hydrocarbons can be utilized as a product. The recov eredcarbondioxideisreinjectedintothewells.A num ber of process methods have been developed and are being tried for this purpose. They include the conven tionalamineabsorptionsystems,seloxolabsorptionand manyothers.Theseconventionalprocessschemeshave40 Pat.No.3,899,212,issuedAug.12,1975,toKruisetal., proven to be very expensive and energy inef?cient when compared to recently developed cryogenic distil lativeprocessmethodssuchastheprocesstaughtbythe U.S.Pat.No.4,462,814,issuedJuly31,1984, toArthur S.HolmesandJamesM.Ryan,entitled“Distillative45 Stream”;U.S.Pat.No.4,097,250,issuedJune27,1978, Separation ofGas Mixtures Containing Methane, car bon dioxide and Other Components”, known in the industry as the Ryan/Holmes process. This process teaches a method of separating the hydrocarbons from the carbon dioxide and a method of preventing azeo tropeformationofcarbondioxideandethaneduringthe distillationseparationprocess. toPaganietal.,entitled“Method forthePuri?cationof Natural Gas Having a High Contents of Acidic Acid”; U.S.Pat.No.4,115,086,issuedSept.19,1978,toJordan et al., entitled “Recovery of Light Hydrocarbons from Re?nery Gas”. U.S. Pat. No. 4,149,864, issued Apr. 16, 1979,toEakman etal.,entitled“Separationofcarbon dioxide and Other Acid Gas Components from Hydro carbon Feed”; U.S. Pat. No. 4,152,129, issued May 1, 1979, to Trentham et al., entitled “Method for Separat The distillation process schemes utilized in attempt ing to separate methane from the carbon dioxide and otherhydrocarbonsmustdealwiththepotentialforma 55 ing carbon dioxide from Methane”; U.S. Pat. No. tion of carbon dioxide solids. Ryan/Holmes solves this problem by introducing an agent to prevent the forma tion of solid carbon dioxide. A second problem that distillation process methods must handle is the separa tionofethanefromcarbondioxideduetotheformation60 aratingcarbondioxideandethanebyLiquid-Liquid Extraction.” DISCLOSURE OF THE INVENTION The distillation and absorption process method dis oftheaforementionedagent.Thisagentisapropane 65 closedavoidsthepotentialformationofcarbondioxide of the carbon dioxide-ethane azeotrope. This azeotrope formation limits the degree to which the carbon dioxide may be separated from the ethane. The Ryan/Holmes process solves this problem by the further introduction and-heavier mixture of hydrocarbons or some other hydrocarbon miscible non-polar liquid. This agent serves to maintain the relative volatility of carbon diox solids by ?rst separating a mixture of methane, lighter components, ethane and carbon dioxide from propane and-heavier hydrocarbons in a ?rst column. The degree entitled “Extraction of Odorizing Sulfur Compounds from Natural Gas and Reodorization Therewith”; U.S. Pat. No. 3,983,711, issued Oct. 5, 1976, to Solomon, entitled “Plural Stage Distillation of a Natural Gas 4,185,978, issued Jan. 29, 1980, to McGallard et al., entitled “Method for Cryogenic Separation of carbon dioxide from Hydrocarbons”; and U.S. Pat. No. 4,311,495, issued Jan. 19, 1982, to Stryino, entitled “SepPDF Image | CARBON DIOXIDE ABSORPTION METHANOL PROCESS
PDF Search Title:
CARBON DIOXIDE ABSORPTION METHANOL PROCESSOriginal File Name Searched:
US4861360.pdfDIY PDF Search: Google It | Yahoo | Bing
NFT (Non Fungible Token): Buy our tech, design, development or system NFT and become part of our tech NFT network... More Info
IT XR Project Redstone NFT Available for Sale: NFT for high tech turbine design with one part 3D printed counter-rotating energy turbine. Be part of the future with this NFT. Can be bought and sold but only one design NFT exists. Royalties go to the developer (Infinity) to keep enhancing design and applications... More Info
Infinity Turbine IT XR Project Redstone Design: NFT for sale... NFT for high tech turbine design with one part 3D printed counter-rotating energy turbine. Includes all rights to this turbine design, including license for Fluid Handling Block I and II for the turbine assembly and housing. The NFT includes the blueprints (cad/cam), revenue streams, and all future development of the IT XR Project Redstone... More Info
Infinity Turbine ROT Radial Outflow Turbine 24 Design and Worldwide Rights: NFT for sale... NFT for the ROT 24 energy turbine. Be part of the future with this NFT. This design can be bought and sold but only one design NFT exists. You may manufacture the unit, or get the revenues from its sale from Infinity Turbine. Royalties go to the developer (Infinity) to keep enhancing design and applications... More Info
Infinity Supercritical CO2 10 Liter Extractor Design and Worldwide Rights: The Infinity Supercritical 10L CO2 extractor is for botanical oil extraction, which is rich in terpenes and can produce shelf ready full spectrum oil. With over 5 years of development, this industry leader mature extractor machine has been sold since 2015 and is part of many profitable businesses. The process can also be used for electrowinning, e-waste recycling, and lithium battery recycling, gold mining electronic wastes, precious metals. CO2 can also be used in a reverse fuel cell with nafion to make a gas-to-liquids fuel, such as methanol, ethanol and butanol or ethylene. Supercritical CO2 has also been used for treating nafion to make it more effective catalyst. This NFT is for the purchase of worldwide rights which includes the design. More Info
NFT (Non Fungible Token): Buy our tech, design, development or system NFT and become part of our tech NFT network... More Info
Infinity Turbine Products: Special for this month, any plans are $10,000 for complete Cad/Cam blueprints. License is for one build. Try before you buy a production license. May pay by Bitcoin or other Crypto. Products Page... More Info
CONTACT TEL: 608-238-6001 Email: greg@infinityturbine.com (Standard Web Page)