Aluminized silicious powder and water purification device incorporating same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-020/14
B01J-020/20
B01J-020/30
B01J-020/06
C02F-001/00
C02F-001/38
B01J-020/08
B01J-020/10
B01J-020/28
C02F-001/28
B01J-020/32
C02F-001/44
C02F-001/68
C02F-101/00
C02F-101/10
C02F-101/20
C02F-101/30
C02F-103/10
C02F-103/34
출원번호
US-0054560
(2016-02-26)
등록번호
US-9707538
(2017-07-18)
발명자
/ 주소
Kaledin, Leonid A.
Tepper, Frederick
Kaledin, Tatiana G.
출원인 / 주소
ARGONIDE CORPORATION
대리인 / 주소
Passerin, Esq, Alicia M.
인용정보
피인용 횟수 :
0인용 특허 :
102
초록▼
A reaction product of silicious material, aluminum metal, and an aqueous solution is disclosed. The reaction product may be used to form a sorbent that is used to purify water of contaminants such as biological matter, dyes, soluble metals, arsenic, or radioactive elements. Additives may be added to
A reaction product of silicious material, aluminum metal, and an aqueous solution is disclosed. The reaction product may be used to form a sorbent that is used to purify water of contaminants such as biological matter, dyes, soluble metals, arsenic, or radioactive elements. Additives may be added to the reaction product to further improve the sorption qualities of the sorbent. Water purification devices having the sorbent are also disclosed.
대표청구항▼
1. A sorbent comprising silicious material at least partially coated with an electropositive material, wherein the electropositive material comprises aluminum oxide/hydroxide present in an amount of 10% or greater by weight based on the total weight of the sorbent, and the silicious material has a p
1. A sorbent comprising silicious material at least partially coated with an electropositive material, wherein the electropositive material comprises aluminum oxide/hydroxide present in an amount of 10% or greater by weight based on the total weight of the sorbent, and the silicious material has a particle size from 0.25 μm to 100 μm. 2. The sorbent of claim 1, wherein the silicious material comprises diatomaceous earth, perlite, talc, vermiculite, sand, calcine composites, or combinations thereof. 3. The sorbent of claim 1, wherein the aluminum oxide/hydroxide is present in an amount of 10% to 50% by weight based on the total weight of the sorbent. 4. The sorbent of claim 1, wherein the sorbent has a zeta potential of +3 mV to +81 mV at a pH of 7. 5. The sorbent of claim 1, wherein the sorbent has a zeta potential of +25 mV to +60 mV at a pH of 7. 6. The sorbent of claim 1, wherein the sorbent further comprises iron oxide/hydroxide. 7. The sorbent of claim 1, wherein the sorbent further comprises graphene. 8. The sorbent of claim 1, wherein the sorbent further comprises graphene oxide. 9. The sorbent of claim 1, wherein the sorbent removes contaminants from a water source. 10. The sorbent of claim 1, wherein the sorbent is formed from a method comprising the steps of: (a) mixing the silicious material and aluminum metal in an acidic aqueous solution to form a mixture; and(b) heating the mixture to a temperature from 60° C. to 100° C. to form a reaction product. 11. The sorbent of claim 1, wherein the sorbent is formed from a method comprising the steps of: (a) mixing the silicious material and aluminum metal in an alkaline aqueous solution to form a mixture; and(b) heating the mixture to a temperature from 60° C. to 100° C. to form a reaction product. 12. A method of purifying water, the method comprising: (a) forming a liquid suspension by mixing a sorbent with a volume of water; and(b) separating a volume of purified water from the liquid suspension,wherein the sorbent comprises silicious material having a particle size from 0.25 μm to 100 μm at least partially coated with an electropositive material, and the electropositive material comprises aluminum oxide/hydroxide present in an amount of 10% or greater by weight based on the total weight of the sorbent. 13. The method of purifying water of claim 12, wherein the separating comprises cyclone, gravity, centrifuge, filter, or combinations thereof. 14. A method of making a sorbent, the method comprising: (a) mixing silicious material, aluminum metal, and an aqueous solution to form a mixture;(b) heating the mixture to a temperature of 60° C. to 100° C. to form a reaction product; and(c) neutralizing the mixture to a pH of 6 to 8,wherein the sorbent comprises the silicious material at least partially coated with an electropositive material, wherein the electropositive material comprises aluminum oxide/hydroxide present in an amount of 10% or greater by weight based on the total weight of the sorbent, and the silicious material has a particle size from 0.25 μm to 100 μm. 15. The method of claim 14, further comprising (d) separating the reaction product from the aqueous solution. 16. The method of claim 15, further comprising (e) drying the reaction product. 17. The method of claim 16, further comprising (f) pulverizing the reaction product. 18. The method of claim 14, wherein the mixture further comprises iron, iron oxide, iron hydroxide, graphene, graphene oxide or combinations thereof. 19. The method of claim 14, wherein the aqueous solution is an alkaline aqueous solution and the pH of the mixture is 9 to 14. 20. The method of claim 14, wherein the aqueous solution is an acidic aqueous solution and the pH of the mixture is 0 to 4. 21. The method of claim 14, wherein the aluminum metal is not a salt.
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