Method for promoting Bunsen reaction in thermochemical iodine-sulfur cycle for hydrogen manufacturing
A thermochemical and reaction technology, applied in the production of hydrogen, etc., can solve the problems of low HI concentration and slow reaction kinetic rate in HIx phase, and achieve the effect of improving kinetic rate and omitting the HI concentration step
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specific Embodiment 1
[0022] 0.78mol I 2 and 4.2mol H 2 O was added to the reactor, and the reaction solution was heated to a set temperature of 30°C while stirring the reaction solution at a constant speed; SO 2 Pass the above reaction solution at a flow rate of 60NmL / min, at this time, the Bunsen reaction will proceed spontaneously to generate H 2 SO 4 and HI; in the presence of excess iodine, the resulting mixed solution undergoes liquid-liquid phase separation at a certain moment, forming a layered H 2 SO 4 phase (upper layer) and HIx phase (lower layer), the reaction reaches a liquid-liquid equilibrium state after a period of time.
specific Embodiment 2
[0023] 0.78mol I 2 , 0.117mol HI and 4.2mol H 2 O is added to the reactor, the reaction solution is heated to a set temperature of 30°C, and the reaction solution is stirred at a constant speed to ensure that I 2 Fully dissolved; SO 2 Pass the above reaction solution at a flow rate of 60NmL / min, at this time, the Bunsen reaction will proceed spontaneously to generate H 2 SO 4 and HI; in the presence of excess iodine, the resulting mixed solution undergoes liquid-liquid phase separation at a certain moment, forming a layered H 2 SO 4 phase (upper layer) and HIx phase (lower layer), the reaction reaches a liquid-liquid equilibrium state after a period of time.
specific Embodiment 3
[0024] 0.78mol I 2 , 0.233mol HI and 4.2mol H 2 O is added to the reactor, the reaction solution is heated to a set temperature of 30°C, and the reaction solution is stirred at a constant speed to ensure that I 2 Fully dissolved; SO 2 Pass the above reaction solution at a flow rate of 60NmL / min, at this time, the Bunsen reaction will proceed spontaneously to generate H 2 SO 4 and HI; in the presence of excess iodine, the resulting mixed solution undergoes liquid-liquid phase separation at a certain moment, forming a layered H 2 SO 4 phase (upper layer) and HIx phase (lower layer), the reaction reaches a liquid-liquid equilibrium state after a period of time.
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