[특허]Recovery of vanadium from petroleum coke slurry containing solubilized base metals

Recovery of vanadium from petroleum coke slurry containing solubilized base metals 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C01G-031/00 C22B-034/22
출원번호	US-0784325 (2013-03-04)
등록번호	US-8815185 (2014-08-26)
발명자 / 주소	Bhaduri, Rahul Shankar Zestar, Lawrence Paul
출원인 / 주소	Chevron U.S.A. Inc.
대리인 / 주소	Flaherty, Terrence
인용정보	피인용 횟수 : 2 인용 특허 : 43

초록 ▼

A method for recovering vanadium from a spent slurry catalyst for hydrocarbon oil hydroprocessing is disclosed. In one embodiment after de-oiling, the spent catalyst is treated with ammonia and air, forming a leach slurry. The leach slurry is subsequently treated with a flocculant. After solid-liquid separation to recover the solid residue containing coke and ammonium metavanadate, the solid residue is washed with an ammonium sulfate solution and leached with hot water. After solid-liquid separation to recover a solution containing ammonium metavanadate, the ammonium metavanadate is crystallized and purified from the leach solution.

대표청구항 ▼

1. A method for recovering vanadium from a spent slurry catalyst that has been used in hydroprocessing, the method comprising: (a) leaching the spent slurry catalyst with an ammonia-containing leach solution at a temperature and pressure sufficient to form an ammonia-leached slurry comprising at least a Group VIB soluble metal complex and at least a Group VIII soluble metal complex and a first solid residue;(b) contacting the ammonia-leached slurry with a flocculant to form a treated ammonia-leached slurry;(c) separating from the treated ammonia-leached slurry a second solid residue comprising coke, ammonium metavanadate and entrained Group VIB and VIII soluble metal complexes;(d) contacting the second solid residue with an ammonium sulfate solution to remove the entrained Group VIB and VIII soluble metal complexes from the second solid residue to form a treated second solid residue;(e) leaching the treated second solid residue with water at a temperature and a pressure sufficient to form an aqueous-leached slurry comprising soluble ammonium metavanadate and a third solid residue comprising coke, the third solid residue having reduced vanadium content compared to the treated second solid residue;(f) separating and removing the third solid residue from the aqueous-leached slurry to recover a filtrate comprising ammonium metavanadate;(g) crystallizing at least a portion of the ammonium metavanadate from the filtrate to form a crystallized ammonium metavanadate;(h) washing the crystallized metavanadate of step (g) with an aqueous ammonium metavanadate solution to form a washed crystallized ammonium metavanadate; and(i) drying the washed crystallized ammonium metavanadate to form a dried crystallized ammonium metavanadate. 2. The method of claim 1, wherein the leaching of step (a) is conducted at a temperature of from 120° C. to 250° C. and at a pressure of from 100 to 1200 psig. 3. The method of claim 1, wherein the ammonia-leached slurry has a slurry density of from 1 to 20 wt. % solids. 4. The method of claim 1, wherein the flocculant is a cationic polymer. 5. The method of claim 1, wherein the flocculant is dosed at a concentration of from 3 to 15 ppmw. 6. The method of claim 1, wherein the weight ratio of the ammonium sulfate solution to the second solid residue is from 1:1 to 10:1. 7. The method of claim 1, wherein the leaching of step (e) is conducted at a temperature of from 50° C. to 100° C. and at ambient pressure. 8. The method of claim 1, wherein the filtrate has a vanadium content of from 1,000 to 10,000 mg/L of vanadium. 9. The method of claim 1, wherein ammonium metavanadate is crystallized from the filtrate by evaporative crystallization. 10. The method of claim 1, wherein the crystallized ammonium metavanadate of step (g) has a vanadium content of from 20,000 to 350,000 mg/L. 11. The method of claim 1, wherein the weight ratio of the aqueous ammonium metavanadate solution to the weight of the crystallized ammonium metavanadate is from 5:1 to 25:1. 12. The process of claim 1, wherein the aqueous ammonium metavanadate solution has a vanadium content of from 15,000 to 25,000 mg/L. 13. The method of claim 1, wherein the dried crystallized ammonium metavanadate has a vanadium content of from 300,000 to 435,000 mg/L.

이 특허에 인용된 특허 (43)

Soled, Stuart L.; Miseo, Sabato; Hou, Zhiguo, Bulk bi-metallic catalysts made from precursors containing an organic agent.
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Kopponen,Sara I.; Goodwin,Ralph T.; Fjare,Kristi A.; Belt,Barbara A.; Levitt,Brian J.; Snow McGregor,Kindra; Wissbaum,Richard J.; Raven,Mariella L.; Walter,Frank B., Catalyst recover from a slurry.
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Lopez, Jose Guitian; Powers, Christopher A.; Mohr, Donald H., Conversion of fine catalyst into coke-like material.
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Powers, Christopher A.; Mohr, Donald H.; Reynolds, Bruce E.; Lopez, Jose Guitian, Conversion of fine catalyst into coke-like material.
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Malone Donald P. ; Holcombe Thomas C., Dissolving petroleum coke in molten iron to recover vanadium metal.
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Lott, Roger K.; Lee, Lap-Keung, Ebullated bed hydroprocessing systems.
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Lott, Roger K.; Lee, Lap Keung; Quinn, Peter C., Fixed bed hydroprocessing methods and systems and methods for upgrading an existing fixed bed system.
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Odueyungbo, Seyi A., Heavy oil upgrade process including recovery of spent catalyst.
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Mironov, Oleg; Kuperman, Alexander E.; Lopez, Jaime; Brait, Axel; Reynolds, Bruce; Chen, Kaidong, Hydroprocessing bulk catalyst and uses thereof.
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Mironov, Oleg; Kuperman, Alexander E.; Lopez, Jaime; Brait, Axel; Reynolds, Bruce; Chen, Kaidong, Hydroprocessing bulk catalyst and uses thereof.
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Lott, Roger K.; Lee, Lap Keung, Hydroprocessing method and system for upgrading heavy oil using a colloidal or molecular catalyst.
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Farshid, Darush; Reynolds, Bruce, Integrated heavy oil upgrading process and in-line hydrofinishing process.
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Llanos Zenon R. (Lake Jackson TX) Provoost Guido F. (Ghent BEX) Deering William G. (Angleton TX) Debaene Frans J. (Merelbeke BEX), Integrated process for the recovery of metals and fused alumina from spent catalysts.
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Marcantonio, Paul J., Leaching metals from spent hydroprocessing catalysts with ammonium sulfate.
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Haas Frank C. (Arvada CO) Hesse William K. (Boulder CO), Method for recovering vanadium from petroleum coke.
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Rokukawa, Naganori, Method for selective recovery of molybdenum and vanadium values from spent catalysts.
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Marcantonio, Paul J., Process for metals recovery from spent catalyst.
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Marcantonio,Paul J., Process for metals recovery from spent catalyst.
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Kuperman, Alexander E.; Lopez, Jaime; Mironov, Oleg; Brait, Axel, Process for preparing hydroprocessing bulk catalysts.
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Akahoshi Toshiaki,JPX ; Sakuma Akira,JPX ; Inoue Aritoshi,JPX ; Iijima Masami,JPX, Process for producing ammonium metavanadate.
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Bhaduri, Rahul S., Process for recovering base metals from spent hydroprocessing catalyst.
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Abulnaga, Baha E.; Guitian, Jose; Lindsay, Sara Ouzts, Process for recovering ultrafine solids from a hydrocarbon liquid.
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Yoshida Takechiyo (Tokyo JPX) Ushiyama Masato (Ebina JPX) Yokoyama Tohru (Yokohama JPX), Process for recovering vanadium accumulated on spent catalyst.
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Chen,Kaidong; Chabot,Julie, Process for recycling an active slurry catalyst composition in heavy oil upgrading.
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Bhaduri, Rahul S.; Stiksma, John; Berezowsky, Roman, Process for separating and recovering base metals from used hydroprocessing catalyst.
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Bhaduri, Rahul S.; Stiksma, John; Berezowsky, Roman, Process for separating and recovering base metals from used hydroprocessing catalyst.
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Chen,Kaidong; Leung,Pak C.; Reynolds,Bruce E., Process for upgrading heavy oil using a highly active slurry catalyst composition.
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Chen,Kaidong; Leung,Pak C.; Reynolds,Bruce E.; Chabot,Julie, Process for upgrading heavy oil using a highly active slurry catalyst composition.
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Farshid,Darush; Reynolds,Bruce, Process for upgrading heavy oil using a highly active slurry catalyst composition.
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Farshid,Darush; Reynolds,Bruce, Process for upgrading heavy oil using a highly active slurry catalyst composition.
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Farshid, Darush; Murphy, James; Reynolds, Bruce, Process for upgrading heavy oil using a reactor with a novel reactor separation system.
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Farshid,Darush; Murphy,James; Reynolds,Bruce, Process for upgrading heavy oil using a reactor with a novel reactor separation system.
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Veal Jack Thomas ; Andersen Kevin Arnold ; Kowaleski Ruth Mary, Process to recover metals from spent catalyst.
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McCorriston, Lois L., Process using carbonate reagent for recovering vanadium from cokes and ashes derived from heavy oils.
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Malone Donald P. ; Holcombe Thomas C., Recovering vanadium from petroleum coke as dust.
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Holcombe Thomas C. ; Malone Donald P., Recovering vanadium oxides from petroleum coke by melting.
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Barclay Kenneth M. (Woodland Hills CA), Recovery of vanadium from carbonaceous materials.
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Chabot, Julie, Systems and methods for producing a crude product.
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Chabot, Julie; Kou, Bo; Brennan, Vivion Andrew; Maris, Erin; Yang, Shuwu, Systems and methods for producing a crude product.
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Odueyungbo, Seyi A., Thermal treatment processes for spent hydroprocessing catalyst.
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Pereira-Almao, Pedro; Ali-Marcano, Vieman Alberto; Lopez-Linares, Francisco; Vasquez, Alejandro, Ultradispersed catalyst compositions and methods of preparation.
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Jansz Just J. C. (Arnhem NLX), Vandium recovery process.
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이 특허를 인용한 특허 (2)

Bhaduri, Rahul Shankar; Timken, Hye Kyung Cho, Metallurgical extraction technique to recover platinum group metals from a filter cake.
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