Solid support stabilized Mn(III) and Mn(VII) and method of...

Details Solid support stabilized Mn(III) and Mn(VII) and method of... Solid support stabilized Mn(III) and Mn(VII) and method of...

2005-10-11

2005-10-11

Johnson, Christina (Department: 1725)

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

And additional al or si containing component

C502S064000, C502S080000, C502S084000, C502S074000, C423S605000

Reexamination Certificate

active

06953763

ABSTRACT:
The instant method produces Mn(III) and Mn(VII) in stabilized form. Stabilized Mn(II), Mn(III), Mn(IV), and Mn(VII) are also formed on solid supports. Solid supported Mn(VII) is prepared by first reacting an H-saturated support with Mn(II) in solution. Mn(III) substituted Fe oxide coated on natural zeolite (FMNZ) is prepared by reacting Mn(II) and Fe(III) to a natural zeolite equilibrated with 2 N NaoH. The resulting Mn(IV) and Mn(III) oxide is precipitated from solution and dried to give supported Mn(IV) or Mn(III). The Mn(IV) material is reacted with 1,4-phenylenediamine (PDA) to form supported Mn(VII). In another aspect of the invention, Mn(II) is synthesized by adding 1,2-phenylenediamine dihydrochloride to uncoated and clay and-zeolite coated MnO2. Mn(II) and Mn(III) are synthesized by adding 1,2-phenylenediamine dihydrochloride and 1,4-phenylenediamine dihydrochloride, respectively, to uncoated Mn containing clays, and clay and-zeolite coated MnO2.

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