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Citation: Qiu Fali, Lü Shoujie. STUDY ON THE DECOMPOSITION AND PARTIAL OXIDATION OF AMMONIA ON POROUS Ni/Al₂O₃ CATALYST PLATE[J]. Chinese Journal of Applied Chemistry, ;1988, 5(5): 39-43. shu

STUDY ON THE DECOMPOSITION AND PARTIAL OXIDATION OF AMMONIA ON POROUS Ni/Al₂O₃ CATALYST PLATE

Qiu Fali ,
Lü Shoujie

1.
Chengdu Institute of Organic Chemistry, Academia Sinica

Received Date: 3 April 1987
Available Online: 27 July 1987
Fund Project:

A porous Ni/Al₂O₃ catalyst plate was prepared.It gives NH₃ conversion more than 99.5% at 750℃ and space velocity of NH₃ 10000-40000h^1-.An internal heating type was adopted Which saves 30% energy in comparison with the external heating type.The results of reaction kinetics showed that the rate equation of ammonia decomposition on the catalyst plate is γ=kP²NH₃ and the apparent activation energy is 153.0kJ/mol. The partial oxidation of ammonia on the catalyst plate was also investigated at the con-ditions of 680-750℃,air/NH₃=1.7-1.0 and space velocity 10000-40000h^-1.The results showed that a gas mixture containing 30-43% of H₂ and less 0.1% of O₂ was obtained without external heating after NH₃ combustion.A duration test for 250h indicated that NH₃ conversion was over 99.5%.The reaction kinetics showed that the rate equation of partial oxidation of ammonia was of zero order and the apparent activation energy obtained was 37.2kJ/mol.
- NH₃-Decomposition of ammonia,
- NH₃-Partial,
- Oxidation of ammonia,
- Ni catalyst
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STUDY ON THE DECOMPOSITION AND PARTIAL OXIDATION OF AMMONIA ON POROUS Ni/Al₂O₃ CATALYST PLATE