Methods of increasing an amount of zeolite in a zeolite-containing material
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-029/00
B01J-029/06
C01F-017/00
B01J-020/34
B01J-029/90
C22B-007/00
C22B-059/00
B01J-020/18
B01J-038/02
B01J-038/60
B01J-038/68
출원번호
US-0081879
(2013-11-15)
등록번호
US-9259719
(2016-02-16)
발명자
/ 주소
Vierheilig, Albert A.
출원인 / 주소
Vierheilig, Albert A.
대리인 / 주소
Greer Burns & Crain, Ltd.
인용정보
피인용 횟수 :
0인용 특허 :
62
초록▼
A method of increasing an amount of zeolite contained in a zeolite-containing material, where the method includes the steps of: providing a sample of a zeolite-containing material having at least one rare earth element therein; increasing the amount of zeolite in the sample of the zeolite-containing
A method of increasing an amount of zeolite contained in a zeolite-containing material, where the method includes the steps of: providing a sample of a zeolite-containing material having at least one rare earth element therein; increasing the amount of zeolite in the sample of the zeolite-containing material by reacting the sample of the zeolite-containing material with an extracting agent that extracts at least a portion of the at least one rare earth element from the sample of the zeolite-containing material; separating the reacted sample, from which has been extracted at least some of the at least one rare earth element previously associated therewith, from the extracting agent; and obtaining the reacted sample in which the amount of zeolite in the reacted sample has been increased.
대표청구항▼
1. A method of increasing an amount of zeolite contained in a zeolite-containing material, the method comprising: providing a sample of a zeolite-containing material having at least one rare earth element therein;increasing the amount of zeolite in the sample of the zeolite-containing material by re
1. A method of increasing an amount of zeolite contained in a zeolite-containing material, the method comprising: providing a sample of a zeolite-containing material having at least one rare earth element therein;increasing the amount of zeolite in the sample of the zeolite-containing material by reacting the sample of the zeolite-containing material with an extracting agent that extracts at least a portion of the at least one rare earth element from the sample of the zeolite-containing material;separating the reacted sample, from which has been extracted at least some of the at least one rare earth element previously associated therewith, from the extracting agent; andobtaining the reacted sample in which the percentage increase in the amount of zeolite in the reacted sample is between 22% and 146%, as measured via x-ray diffraction. 2. The method according to claim 1, further comprising: repeating the increasing step for multiple iterations, designated as (n) iterations where (n) is a whole number, with an extracting agent that includes at least some of the rare earth element; andrepeating the separating step for (n) iterations. 3. The method according to claim 2, wherein (n) is greater than or equal to 2. 4. The method according to claim 2, wherein (n) is greater than or equal to 200. 5. The method according to claim 2, wherein the extracting agent used in at least one of the multiple iterations of said increasing step is the extracting agent previously used in an earlier iteration of the increasing step. 6. The method according to claim 1, wherein the extracting agent is a liquid solution having a pH of either less than approximately 6 or greater than approximately 8. 7. The method according to claim 1, wherein: the at least one rare earth element comprises lanthanum (La); andthe extracting agent includes nitric acid (HNO3). 8. The method according to claim 1, wherein: the at least one rare earth element comprises lanthanum (La);the extracting agent includes hydrochloric acid (HCl). 9. The method according to claim 1, wherein the extracting agent is an acidic solution. 10. The method according to claim 1, wherein the zeolite-containing material is a fluid catalytic cracking (FCC) catalyst. 11. The method according to claim 10, wherein the FCC catalyst is an FCC catalyst that has been utilized in an FCC process, defined as a spent FCC catalyst. 12. The method according to claim 1, wherein the at least one rare earth element comprises lanthanum (La). 13. The method according to claim 1 wherein the at least one rare earth element is selected from the group consisting of: cerium, praseodymium, neodymium, and alloys thereof. 14. The method according to claim 1, wherein the extracting agent includes an acid selected from the group consisting of: maleic acid, formic acid, sulfuric acid, hydrochloric acid, and acetic acid. 15. The method according to claim 1, wherein the extracting agent is a solution that includes nitric acid. 16. The method according to claim 1, wherein the zeolite-containing material includes at least one element selected from the group consisting of: silicon, phosphorus and aluminum. 17. The method according to claim 1, wherein heat is applied during said reacting of the sample of the zeolite-containing material with the extracting agent. 18. The method according to claim 17, wherein said heat is applied such that a solution of the sample of the zeolite-containing material and the extracting agent reaches a maximum temperature between the range of approximately 45° C. and approximately 130° C. 19. A method of increasing an amount of zeolite contained in a zeolite-containing material, the method comprising: providing a sample of a zeolite-containing material having at least one rare earth element therein;increasing the amount of zeolite in the sample of the zeolite-containing material by reacting the sample of the zeolite-containing material with an extracting agent that extracts at least a portion of the at least one rare earth element from the sample of the zeolite-containing material;separating the reacted sample, from which has been extracted at least some of the at least one rare earth element previously associated therewith, from the extracting agent; andobtaining the reacted sample in which the percentage increase in the amount of zeolite in the reacted sample is 7%, as measured via x-ray diffraction,wherein the extracting agent is a basic solution. 20. The method according to claim 19, wherein the extracting agent is a solution selected from the group consisting of: ammonium citrate, ammonium hydroxide, ammonium chloride, and ammonium sulfate.
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