A method for heterogeneous catalytic hydrolysis of melamine, cyanuric acid or melamine oat waste residue
A heterogeneous catalysis, melamine technology, applied in the field of solid waste treatment and circular economy, can solve the problems of low effective components of products, complex process, large consumption of acid and alkali, etc., achieve green environmental protection recovery and utilization, reduce reaction temperature, The effect of reducing energy consumption
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Embodiment 1
[0012] The initial concentration of melamine is 0.67g / L, the mass ratio of activated alumina is 3.8%, the reaction temperature is 220°C, and the reaction time is 5 hours. After the reaction, the solution is detected, and the degradation rate of melamine is 99.8%. Ammonia and carbon dioxide The yield was 96.1%.
Embodiment 2
[0014] The initial concentration of melamine is 2.4g / L, the mass ratio of adding pseudo-boehmite is 4.6%, the reaction temperature is 200°C, and the reaction time is 7 hours. After the reaction, the solution is detected. The degradation rate of melamine is 93.2%. And the yield of carbon dioxide is 91.7%.
Embodiment 3
[0016] The initial concentration of cyanuric acid is 0.67g / L, the mass ratio of adding activated alumina is 3.8%, the reaction temperature is 220°C, and the reaction time is 2 hours. After the reaction, the solution is detected, and the degradation rate of cyanuric acid is 98.4%, and the yield of ammonia and carbon dioxide is 97.5%.
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