Design of treatment process for phosphine containing waste gas
The emission standards for phosphine containing waste gas is introduced,the treatment and comprehensive utilization technologies for phosphine containing waste gas are briefly described,and their advantages and disadvantages are analyzed.A process for treating phosphine containing waste gas using an incinerator,primary water washing,and secondary chemical washing is provided.The main equipment,specifications,and engineering design features are introduced.The removal efficiency of phosphine using this method is 99.998％.The emission concentration of phosphine is 0.15 mg/m3,and the emission rate is 0.975 g/h,which is lower than the emission limit in DB 31/933-2015.
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