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Kinetic study of phenol hydroxylation by H2O2 in 3D Fe/SiC honeycomb monolithic reactors: Enabling the sustainable production of dihydroxybenzenes
Chemical Engineering Journal ( IF 13.3 ) Pub Date : 2021-07-05 , DOI: 10.1016/j.cej.2021.131128
Gonzalo Vega 1 , Asunción Quintanilla 1 , Manuel Belmonte 2 , José A. Casas 1
Chemical Engineering Journal ( IF 13.3 ) Pub Date : 2021-07-05 , DOI: 10.1016/j.cej.2021.131128
Gonzalo Vega 1 , Asunción Quintanilla 1 , Manuel Belmonte 2 , José A. Casas 1
Affiliation
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The chemical kinetics of phenol hydroxylation by hydrogen peroxide (HO) to produce dihydroxybenzenes was studied using a 3D printed monolithic reactor. The monoliths were manufactured by the Robocasting technique. They consisted on honeycomb-structured Fe/SiC nanoparticles (13.5 mm in diameter and 14.8 mm in length) with triangle cell geometry and staggered interconnected channels (71 cells per cm). The isothermal reactor was constituted by three stacked monoliths and was operated as an ideal plug flow reactor, according to the measured residence time distribution. The hydroxylation experiments were carried out at C = 0.33 M, phenol:HO molar ratio 1:1, τ(space time) = 0–254 g h L, T = 80, 85 and 90 °C and water as unique solvent.
中文翻译:
3D Fe/SiC 蜂窝整体式反应器中 H2O2 苯酚羟基化的动力学研究:实现二羟基苯的可持续生产
使用 3D 打印整体式反应器研究了过氧化氢 (H2O) 苯酚羟基化生成二羟基苯的化学动力学。这些巨石是通过机器人铸造技术制造的。它们由蜂窝结构的 Fe/SiC 纳米粒子(直径 13.5 毫米,长度 14.8 毫米)组成,具有三角形细胞几何形状和交错互连通道(每厘米 71 个细胞)。等温反应器由三个堆叠的整料构成,根据测量的停留时间分布,作为理想的活塞流反应器运行。羟基化实验在 C = 0.33 M、苯酚:H2O 摩尔比 1:1、τ(时空)= 0–254 g h L、T = 80、85 和 90 °C 以及水作为唯一溶剂下进行。
更新日期:2021-07-05
中文翻译:
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3D Fe/SiC 蜂窝整体式反应器中 H2O2 苯酚羟基化的动力学研究:实现二羟基苯的可持续生产
使用 3D 打印整体式反应器研究了过氧化氢 (H2O) 苯酚羟基化生成二羟基苯的化学动力学。这些巨石是通过机器人铸造技术制造的。它们由蜂窝结构的 Fe/SiC 纳米粒子(直径 13.5 毫米,长度 14.8 毫米)组成,具有三角形细胞几何形状和交错互连通道(每厘米 71 个细胞)。等温反应器由三个堆叠的整料构成,根据测量的停留时间分布,作为理想的活塞流反应器运行。羟基化实验在 C = 0.33 M、苯酚:H2O 摩尔比 1:1、τ(时空)= 0–254 g h L、T = 80、85 和 90 °C 以及水作为唯一溶剂下进行。