Porphyrazines as efficient, catalytic and scalable method to produce chlorine dioxide

Patent metadata

Field	Value
Publication number	US-11897764-B2
Application number	US-202117550448-A
Country	US
Kind code	B2
Filing date	Dec 14, 2021
Priority date	Aug 23, 2010
Publication date	Feb 13, 2024
Grant date	Feb 13, 2024

Abstract

Methods, kits, cartridges, and compounds related to generating chlorine dioxide by exposing ClO2− to at least one of an iron porphyrin catalyst or an iron porphyrazine catalyst are described.

First claim

What is claimed is:

1. A cartridge comprising a housing and at least one of a manganese porphyrin catalyst or a manganese porphyrazine catalyst in the housing, wherein the cartridge is adapted to allow reactants to contact the at least one of a manganese porphyrin catalyst or a manganese porphyrazine catalyst, and the cartridge further comprises at least one of the reactants or a source of ClO 2 − , and the reactants comprise ClO 2 − .

2. The cartridge of claim 1 , wherein the cartridge comprises the reactants.

3. The cartridge of claim 2 , wherein the ClO 2 − is in the form of chlorite salts.

4. The cartridge of claim 2 , wherein the ClO 2 − is mixed with a solid filler.

5. The cartridge of claim 2 , wherein the ClO 2 − is adsorbed on at least one substance selected from the group consisting of clay, silica, alumina and organic polymers.

6. The cartridge of claim 1 , wherein at least one of the manganese porphyrin catalyst or the manganese porphyrazine catalyst is adsorbed on a solid support.

7. The cartridge of claim 1 comprising the source of ClO 2 − , wherein the at least one of the manganese porphyrin catalyst or the manganese porphyrazine catalyst and the source of ClO 2 − are separated by an interface.

8. The cartridge of claim 7 , wherein the interface is a solid material configured to allow mixing of the at least one of the manganes porphyrin catalyst or the manganese porphyrazine catalyst with the source of ClO 2 − upon mechanical disruption of the interface.

9. The cartridge of claim 8 , wherein the source of ClO 2 − is a chlorite salt.

10. The cartridge of claim 8 wherein the mechanical disruption includes breaking of the solid material.

11. The cartridge of claim 8 , wherein the mechanical disruption includes dissolution of the solid material.

12. The cartridge of claim 1 comprising the source of ClO 2 − , wherein the housing includes a first compartment and a second compartment, and the at least one of a manganese porphyrin catalyst or a manganese porphyrazine catalyst is in the first compartment and the source is in the second compartment.

13. The cartridge of claim 12 , wherein at least one of the manganese porphyrin catalyst or the manganese porphyrazine catalyst is adsorbed on a solid support.

14. A kit for generating chlorine dioxide comprising a catalyst selected from at least one a manganese porphyrin catalyst, and a manganese porphyrazine catalyst, and instructions to combine the catalyst with ClO 2 − .

15. The kit of claim 14 , wherein the ClO 2 − is in the form of at least one substance selected from the group consisting of chlorite salts.

16. The kit of claim 14 , wherein the ClO 2 − in the form of at least one substance selected from the group consisting of sodium chlorite, potassium chlorite, calcium chlorite and magnesium chlorite.

17. The kit of claim 14 , wherein the ClO 2 − is mixed with a solid filler.

18. The kit of claim 14 , wherein the ClO 2 − is adsorbed on at least one substance selected from the group consisting of clay, silica, alumina and organic polymers.

19. The kit of claim 14 , wherein at least one of the manganese porphyrin catalyst and the manganese porphyrazine catalyst is adsorbed on a solid support.

20. The kit of claim 19 , wherein the solid support includes a substance selected from the group consisting of clay, silica, alumina, glass beads, functionalized polystyrene or organic polymers.

Assignees

• Univ Princeton

Inventors

• Groves John T
• Xiao Roy

Classifications

• C01B11/024 Primary

  from chlorites · CPC title

• A61L2/18

  Liquid substances · CPC title

• B01J31/2295

  Cyclic compounds, e.g. cyclopentadienyls · CPC title

• B01J31/26

  containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 · CPC title

• C07F15/025

  without a metal-carbon linkage · CPC title