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Countercurrent gas-solid trickle flow reactor with structured packing: Hydrodynamics and CaO-CO2 reaction

机译:规整填料的逆流气固滴流反应器:流体力学和CaO-CO2反应

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The sorption reaction CaO-CO2 was examined in a countercurrent gas-solid trickle flow reactor with regularly stacked packing at T=500-600 degrees C, p(CO2)=40-50 kPa, solid-phase fluxes S=0.3-0.5 kg m(-2) s(-1), and CaO particles of 500-710 m in size. Sorption kinetics was evaluated by thermogravimetric (TG) technique. The random pore model was used for the description of the carbonization reaction. Hydrodynamic characteristics of gas-solid trickle flow were estimated at room temperature and ambient pressure. Plug flow model of both gas and solid-phase, with the parameters obtained from TG and hydrodynamics experiments, satisfactorily described the sorption process in countercurrent gas-solid trickle flow reactor. (c) 2015 American Institute of Chemical Engineers AIChE J, 61: 1601-1612, 2015
机译:在T = 500-600摄氏度,p(CO2)= 40-50 kPa,固相通量S = 0.3-0.5 kg的逆流气固滴流反应器中,用规则堆积的填料检查了吸附反应CaO-CO2 m(-2)s(-1)和500-710 m的CaO颗粒。通过热重(TG)技术评估吸附动力学。随机孔模型用于描述碳化反应。在室温和环境压力下估计了气固滴流的水动力特性。气相和固相塞流模型,以及通过TG和流体力学实验获得的参数,令人满意地描述了逆流气固滴流反应器中的吸附过程。 (c)2015美国化学工程师学会AIChE J,61:1601-1612,2015

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