Methods for isolation and/or purification of nanomaterials, such as nanowires, are provided. The disclosed methods include isolation of nanomaterials via a filter press and are amenable to large-scale production of nanomaterials. Related methods for isolation, purification and/or doping of nanomater
Methods for isolation and/or purification of nanomaterials, such as nanowires, are provided. The disclosed methods include isolation of nanomaterials via a filter press and are amenable to large-scale production of nanomaterials. Related methods for isolation, purification and/or doping of nanomaterials are also provided.
대표청구항▼
1. A method for isolating inorganic nanowires comprising a dopant, the method comprising providing a suspension comprising the inorganic nanowires and filtering the suspension through a filter press to separate a filtrate from the inorganic nanowires to obtain a filter cake comprising the inorganic
1. A method for isolating inorganic nanowires comprising a dopant, the method comprising providing a suspension comprising the inorganic nanowires and filtering the suspension through a filter press to separate a filtrate from the inorganic nanowires to obtain a filter cake comprising the inorganic nanowires, the method further comprising: A) passing a solution comprising a soluble salt of the dopant through the filter cake one or more times;B) drying the filter cake; andC) isolating a plurality of individual inorganic nanowires from the filter cake, wherein the filter press comprises a plurality of filter plates, each filter plate comprising a filter medium disposed thereon. 2. The method of claim 1, wherein the inorganic nanowires comprise catalytic nanowires. 3. The method of claim 1, wherein the inorganic nanowires comprise phage-templated nanowires. 4. The method of claim 1, wherein the inorganic nanowires comprise metal oxide nanowires. 5. The method of claim 1, wherein the inorganic nanowires are inorganic catalytic polycrystalline nanowires, the nanowires having a ratio of effective length to actual length of less than one and an aspect ratio of greater than ten as measured by TEM in bright field mode at 5 keV. 6. The method of claim 1, wherein the inorganic nanowires comprise one or more elements from any of Groups 1 through 7, lanthanides, actinides or combinations thereof. 7. The method of claim 1, wherein the inorganic nanowires have a ratio of effective length to actual length of substantially equal to one as measured by TEM in bright field mode at 5 keV. 8. The method of claim 1, wherein the suspension comprising the inorganic nanowires further comprises an admixture of particulate material of substantially equivalent or larger size than the inorganic nanowires. 9. The method of claim 1, further comprising re-introducing the filtrate to the filter press one or more times. 10. The method of claim 1, wherein the solution comprising the dopant is allowed to contact the filter cake for a period of time sufficient to incorporate the dopant into or on the surface of the inorganic nanowires. 11. The method of claim 1, wherein drying the filter cake comprises heating the filter cake. 12. The method of claim 1, wherein drying the filter cake comprises passing a gas through the filter cake. 13. The method of claim 1, wherein drying comprises applying vacuum to the filter cake. 14. The method of claim 1, further comprising providing the isolated inorganic nanowires for use in a method comprising contacting the isolated inorganic nanowires with a gas comprising methane and oxygen, thereby oxidatively coupling the methane. 15. The method of claim 1, wherein the filter medium comprises a polymer membrane. 16. The method of claim 1, wherein steps (A) and (B) are performed in the filter press. 17. A method for isolating inorganic nanowires, the method comprising providing a suspension comprising the inorganic nanowires and filtering the suspension through a filter press to separate a filtrate from the inorganic nanowires to obtain a filter cake comprising the inorganic nanowires, the method further comprising: A) passing a solution comprising a dopant, through the filter cake one or more times;B) drying the filter cake by passing a gas through the filter cake; andC) removing the dried filter cake from the filter press and isolating a plurality of individual inorganic nanowires from the filter cake, wherein the filter press comprises a plurality of filter plates, each filter plate comprising a filter medium disposed thereon. 18. The method of claim 17, wherein steps (A) and (B) are performed in the filter press. 19. The method of claim 17, wherein the inorganic nanowires are inorganic catalytic polycrystalline nanowires, the nanowires having a ratio of effective length to actual length of less than one and an aspect ratio of greater than ten as measured by TEM in bright field mode at 5 keV. 20. The method of claim 17, wherein the inorganic nanowires comprise one or more elements from any of Groups 1 through 7, lanthanides, actinides or combinations thereof. 21. The method of claim 17, wherein the inorganic nanowires have a ratio of effective length to actual length of substantially equal to one as measured by TEM in bright field mode at 5 keV. 22. The method of claim 17, wherein the suspension comprising the inorganic nanowires further comprises an admixture of particulate material of substantially equivalent or larger size than the inorganic nanowires. 23. The method of claim 17, wherein the filter medium comprises PES (polyethersulfone), cellulose, cellulose acetate, regenerated cellulose, polypropylene, a hydrophilic or hydrophobic fluoropolymer, glass fibers, fritted glass, polyester or metal mesh. 24. The method of claim 17, wherein the method further comprises feeding the suspension through the filter press at pressures ranging from 20 to 40 PSI. 25. A method for isolating inorganic nanowires, the method comprising providing a suspension comprising the inorganic nanowires and filtering the suspension through a filter press to separate a filtrate from the inorganic nanowires to obtain a filter cake comprising the inorganic nanowires, the method further comprising: A) passing a solution comprising a dopant through the filter cake one or more times;B) passing a wash solvent selected from methanol, ethanol, isopropanol, acetone, ethylacetate, pentane, hexane, cyclohexane, octane, benzene, toluene, xylene, mesitylene, diethyl ether, tetrahydrofuran, and combinations thereof, through the filter cake one or more times;C) drying the filter cake by passing a gas through the filter cake; andD) removing the dried filter cake from the filter press and isolating a plurality of individual inorganic nanowires from the filter cake, wherein the filter press comprises a plurality of filter plates, each filter plate comprising a filter medium disposed thereon. 26. The method of claim 25, wherein steps (A), (B) and (C) are performed in the filter press. 27. The method of claim 25, wherein the inorganic nanowires are inorganic catalytic polycrystalline nanowires, the nanowires having a ratio of effective length to actual length of less than one and an aspect ratio of greater than ten as measured by TEM in bright field mode at 5 keV. 28. The method of claim 25, wherein the inorganic nanowires have a ratio of effective length to actual length of substantially equal to one as measured by TEM in bright field mode at 5 keV. 29. The method of claim 25, wherein the filter medium comprises PES (polyethersulfone), cellulose, cellulose acetate, regenerated cellulose, polypropylene, a hydrophilic or hydrophobic fluoropolymer, glass fibers, fritted glass, polyester or metal mesh. 30. The method of claim 25, wherein the method further comprises feeding the suspension through the filter press at pressures ranging from 20 to 40 PSI. 31. The method of claim 25, wherein the solution comprising the dopant is allowed to contact the filter cake for a period of time sufficient to incorporate the dopant into or on the surface of the inorganic nanowires.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (157)
Benderly, Abraham, Activated ignition promoters for metal catalyzed reactions.
Jones C. Andrew (Newtown Square PA) Leonard John J. (Springfield PA) Sofranko John A. (Malvern PA) Withers Howard P. (Douglassville PA) Breder ; Jr. E. William (Oak Forest IL) Johnson Marvin F. L. (H, Alkali promoted manganese oxide compositions containing silica and/or alkaline earth oxides.
Sofranko John A. (Malvern PA) Gastinger Robert G. (Brookhaven PA) Jones C. Andrew (Newtown Square PA), Boron-promoted reducible metal oxides and methods of their use.
Gaffney Thomas Richard ; Golden Timothy Christopher ; Mayorga Steven Gerard ; Brzozowski Jeffrey Richard ; Taylor Fred William, Carbon dioxide pressure swing adsorption process using modified alumina adsorbents.
Kaminsky Mark P. (Lisle IL) Kleefisch Mark S. (Plainfield IL) Huff George A. (Naperville IL) Washecheck Don M. (Naperville IL) Alvarado-Swaisgood Aileen E. (Naperville IL) Barr Mark K. (Wheaton IL), Catalysts for the oxidative conversion of methane to higher hydrocarbons.
Washecheck Don M. (Naperville IL) Alvarado-Swaisgood Aileen E. (Naperville IL) Kaminsky Mark P. (Lisle IL) Kleefisch Mark S. (Plainfield IL) Huff ; Jr. George A. (Naperville IL), Catalysts for the oxidative conversion of methane to higher hydrocarbons.
Cantrell, Rick David; Ghenciu, Anca; Campbell, Kenneth Dwight; Minahan, David Michael Anthony; Bhasin, Madan Mohan; Westwood, Alistair Duncan; Nielsen, Kenneth Andrew, Catalysts for the oxidative dehydrogenation of hydrocarbons.
Rick David Cantrell ; Anca Ghenciu ; Kenneth Dwight Campbell ; David Michael Anthony Minahan ; Madan Mohan Bhasin ; Alistair Duncan Westwood ; Kenneth Andrew Nielsen, Catalysts for the oxidative dehydrogenation of hydrocarbons.
Durante Vincent A. (West Chester PA) Walker Darrell W. (Media PA) Gussow Steven M. (Wallingford PA) Lyons James E. (Wallingford PA) Hayes Robert C. (Media PA), Catalytic oxidation of alkanes.
Durante Vincent A. (West Chester PA) Walker Darrell W. (Visalia CA) Gussow Steven M. (Glen Mills PA) Lyons James E. (Wallingford PA) Hayes Robert C. (Media PA), Catalytic oxidation of alkanes.
Jennifer Schaefer Feeley ; John Henry Dunsmuir ; Sebastian Carmen Reyes ; Paul Joseph Berlowitz ; John Frances Brody ; Bruce Anthony Derites ; Wenyih Frank Lai ; Mark Leland Tiller ; Hyung Su, Catalytic oxidation process.
Reyes, Sebastian C.; Feeley, Jennifer S.; Hershkowitz, Frank; Deckman, Harry W.; Androulakis, Ioannis P., Catalytic partial oxidation using staged oxygen addition.
Kaminsky Mark P. (Winfield IL) Huff ; Jr. George A. (Naperville IL) Calamur Narasimhan (Willowbrook IL) Spangler Michael J. (Sandwich IL), Catalytic wall reactors and use of catalytic wall reactors for methane coupling and hydrocarbon cracking reactions.
Yang, Lei; Cheng, Zhe; Liu, Ze; Liu, Meilin, Chemical compositions, methods of making the chemical compositions, and structures made from the chemical compositions.
Baerns Manfred (skulapweg 20 D-4630 Bochum 1 DEX) da Silva Palla Carreiro Joao A. (Dortmund DEX) Bytyn Wilfried (Bochum DEX), Continuous process for the oxidative coupling of methane to C2+hydrocarbons in the presence of catalysts
상세보기
Jezl James L. (St. Charles IL) Michaels Glenn O. (South Holland IL) Spangler Michael J. (Dolton IL), Conversion of a lower alkane.
Jezl James L. (St. Charles IL) Michaels Glenn O. (South Holland IL) Spangler Michael J. (Dolton IL) Winzenburg Mark L. (Naperville IL), Conversion of a lower alkane.
Kaminsky Mark P. (Winfield IL) Kleefisch Mark S. (Naperville IL) Huff ; Jr. George A. (Naperville IL) Washecheck Don M. (Naperville IL) Barr Mark K. (Wheaton IL), Hydrocarbon conversion.
Kaminsky Mark P. (Winfield) Kleefisch Mark S. (Naperville) Huff ; Jr. George A. (Naperville) Washecheck Don M. (Naperville) Barr Mark K. (Wheaton IL), Hydrocarbon conversion.
Washecheck Don M. (Naperville IL) Barr Mark K. (Wheaton IL) Huff ; Jr. George A. (Naperville IL) Kaminsky Mark P. (Winfield IL) Kleefisch Mark S. (Naperville IL) Shum Victor K. (Naperville IL), Hydrocarbon conversion.
Washecheck Don M. (Naperville) Barr Mark K. (Wheaton) Huff ; Jr. George A. (Naperville) Kaminsky Mark P. (Winfield) Kleefisch Mark S. (Naperville) Shum Victor K. (Naperville IL), Hydrocarbon conversion.
Kaminsky Mark P. (Winfield IL) Kleefisch Mark S. (Naperville IL) Huff ; Jr. George A. (Naperville IL) Washecheck Don M. (Naperville IL) Barr Mark K. (Wheaton IL), Hydrocarbon conversion catalyst.
Choudhary Vasant R. (Maharashtra INX) Sansare Subhash D. (Maharashtra INX) Chaudhari Sopan T. (Maharashtra INX), Integrated two step process for conversion of methane to liquid hydrocarbons of gasoline range.
Ma,Jun; Moy,David; Tennent,Howard; Hoch,Robert; Fischer,Alan, Method for preparing catalyst supports and supported catalysts from single walled carbon nanotubes.
Plissonnier, Marc; Gaillard, Frederic; Salot, Raphael; Gruss, Jean-Antoine, Method for producing a nanostructure based on interconnected nanowires, nanostructure and use as thermoelectric converter.
Vic Sebastian,ESX ; Pena Miguel A.,ESX ; Terreros Pilar,ESX ; Gomez Juan P.,ESX ; Garcia-Fierro Jose L.,ESX ; Jimenez Juan M.,ESX, Method for the conversion of methane into longer chain hydrocarbons.
Vic Sebastian,ESX ; Pena Miguel A.,ESX ; Terreros Pilar,ESX ; Gomez Juan P.,ESX ; Garcia-Fierro Jose L.,ESX ; Jimenez Juan M.,ESX, Method for the methane chemical conversion into C.sub.2 hydrocarbons.
Bellussi,Giuseppe; DelBianco,Alberto; Sabatino,Luigina Maria Flora; Zennaro,Roberto; Molinari,Mario, Method for the preparation of hydrogenated hydrocarbons.
Culp, Gary Lynn; Stricker, Vincent Joseph; Nelson, James Russell; Bhasin, Madan Mohan; Nielsen, Kenneth Andrew, Methods for manufacturing olefins from lower alkans by oxidative dehydrogenation.
Knudsen, Ronald D.; Abbott, Ronald G.; Kreischer, Bruce E.; Baralt, Eduardo J.; Small, Brooke L., Methods of preparation of an olefin oligomerization catalyst.
Benderly,Abraham; Gaffney,Anne Mae; Silvano,Mark Anthony, Multi-staged catalyst systems and process for converting alkanes to alkenes and to their corresponding oxygenated products.
Wass, Duncan Frank, OLEFIN TRIMERISATION USING A CATALYST COMPRISING A SOURCE OF CHROMIUM, MOLYBDENUM OR TUNGSTEN AND A LIGAND CONTAINING AT LEAST ONE PHOSPHOROUS, ARSENIC OR ANTIMONY ATOM BOUND TO AT LEAST ONE (HETERO).
Cameron Charles (Paris FRX) Chaumette Patrick (Bougival FRX) Dang Vu Quang (Neuilly Sur Seine FRX) Bousquet Jacques (Irigny FRX) Tournier-Lasserve Jacquos (Pau FRX) Desgrandchamps Guy (Billere FRX), Process for the production of at least one alkyl tertiobutyl ether from natural gas.
Tyler Ralph J. (Elanora Heights AUX) Edwards James H. (East Ryde AUX) Jackson Peter J. (Ferny Creek AUX), Process for the production of olefins by combined methane oxidative coupling/hydrocarbon pyrolysis.
Gupta Victor (Cleveland Heights OH) Bodolus Christopher L. (Cleveland Heights OH) Paparizos Christos (Willowick OH) Shaw Wilfrid G. (Lyndhurst OH), Process for upgrading light hydrocarbons using oxidative coupling and pyrolysis.
Green Malcolm L. (Oxford CA GB3) Cheetham Anthony K. (Montecito CA) Vernon Patrick D. (Oxford GB3) Ashcroft Alexander T. (Lancashire ; bot of GB3), Processes for the conversion of methane to synthesis gas.
Iaccino, Larry L.; Xu, Teng; Buchanan, J. Scott; Sangar, Neeraj; Patt, Jeremy J.; Nierode, Mark A.; Clem, Kenneth R.; Afeworki, Mobae, Production of aromatics from methane.
Mazanec Terry J. ; Cable Thomas L. ; Frye ; Jr. John G. ; Kliewer Wayne R., Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reac.
Cameron Charles (Paris FRX) Chaumette Patrick (Bougival FRX) Dang Vu Quang (Neuilly Sur Seine FRX) Bousquet Jacques (Irigny FRX) Tournier-Lasserve Jacques (Pau FRX) Desgrandchamps Guy (Billere FRX), Steps in a process for the production of at least one alkyl tertiobutyl ether from natural gas.
Nataraj Shankar ; Russek Steven Lee ; Dyer Paul Nigel, Synthesis gas production by mixed conducting membranes with integrated conversion into liquid products.
Khan, Moinuddin; Kurkjian, Andrew; Leviness, Stephen C.; Massie, Keith; Nighswander, John, Tracking feedstock production with micro scale gas-to-liquid units.
Choudhary Vasant R. (Pune INX) Sansare Subhash D. (Pune INX) Rajput Amarjeet M. (Pune INX), Two step process for production of liquid hydrocarbons from natural gas.
Freer, Erik M.; Schammel, Wayne P.; Zurcher, Fabio R.; Cizeron, Joel M.; Hong, Jin Ki; Rumplecker, Anja; Maurer, Sam; Gamoras, Joel; Rosenberg, Daniel; Scher, Erik C., Catalysts for natural gas processes.
Zurcher, Fabio R.; Scher, Erik C.; Cizeron, Joel M.; Schammel, Wayne P.; Tkachenko, Alex; Gamoras, Joel; Karshtedt, Dmitry; Nyce, Greg; Rumplecker, Anja; McCormick, Jarod; Merzlyak, Anna; Alcid, Marian; Rosenberg, Daniel; Ras, Erik-Jan, Nanowire catalysts and methods for their use and preparation.
Scher, Erik C.; Zurcher, Fabio R.; Cizeron, Joel M.; Schammel, Wayne P.; Tkachenko, Alex; Gamoras, Joel; Karshtedt, Dmitry; Nyce, Greg, Production of ethylene with nanowire catalysts.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.