Ammonia → HCID 178526028, compound

HRID 2229083Notes

Reaction equation

HRID 2229083 reaction equation
[NH3:1].[C:2]([OH:7])(=[O:6])[C:3]([OH:5])=[O:4].N.O[V:10](=O)=O.[V].O=O>O>[C:2]([O-:7])(=[O:6])[C:3]([O-:5])=[O:4].[NH4+:1].[V+5:10].[C:2]([O-:7])(=[O:6])[C:3]([O-:5])=[O:4].[C:2]([O-:7])(=[O:6])[C:3]([O-:5])=[O:4]

Participants

7

Reactant 5

HCID 222Ammonia2×HCID 971Oxalic AcidHCID 977OxygenHCID 23990Vanadium2×HCID 62684Ammonium metavanadate [UN2859] [Poison]

Product 1

HCID 178526028HCID 178526028, compound

Reagents, catalysts & solvents 1

HCID 962WaterSolvent2×

Procedure

A vanadium ammonium oxalate solution was prepared by adding ammonia and oxalic acid to ammonium polyvanadate suspended in water. The solution obtained contained 9.4% by weight of vanadium, measured as metal. The carriers obtained in Examples 1-3 were impregnated with the solution and subsequently calcined at 450° C. The catalysts obtained contained 4% by weight of vanadium, calculated as the metal, and contained the titania in the anatase form. The catalysts prepared from the carriers of Examples 1-3 are indicated as catalysts 1-3, respectively. Of the catalysts, 150 mg of the sieve fraction of 0.4-0.6 mm was tested at 140° C. and a pressure of 1 bar using a gas containing 900 ppm NO, 800 ppm NH3, 5% oxygen, 11% water and the remainder being argon. The gas flow was 45 ml/min. The products were analyzed with the help of a mass spectrometer.

Workup

  1. customThe solution obtained
  2. customThe carriers obtained in Examples 1-3
  3. customsubsequently calcined at 450° C
  4. customThe catalysts obtained
  5. customThe catalysts prepared from the carriers of Examples 1-3
  6. customwas tested at 140° C.
  7. additioncontaining 900 ppm NO

Sources & evidence

ORD record
ord-2dbb0bc02c9942da84dd05c877125f27
Source dataset
uspto-grants-2002_07
Patent number
US06419889B1

Reaction notes

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