多功能原位空间分辨反应器德国REACNOSTICS公司推出的新型多功能催化反应器,可实现测量和/或模拟反应器内的浓度、温度和流场,可视化呈现出物质在反应器不同位置的实时状态,并通过原位即时空间分辨光谱(Operando Spectroscopy)实现对催化反应动力学的监测与控制。该技术解决了传统“黑匣子”式反应器内部动态无法监测的难题,使得催化反应各项性能指标“透明”。该催化反应器可以与拉曼光谱、质谱、气/液相色谱等联用,达到不断优化催化反应的目的。REACNOSTICS方法与传统方法对比左:传统反应器“黑匣子”;右:REACNOSTICS原位空间分辨反应器应用领域&bull 原位即时空间分辨光谱(Operando Spectroscopy)&bull 传热研究&bull 铑/铂催化甲烷部分氧化制合成气&bull 镍上甲烷的干法重整&bull 氧化钼上乙烷氧化脱氢制乙烯&bull 甲烷选择性氧化&bull 铂网上甲烷催化燃烧&bull 泡沫铂催化剂上的一氧化碳氧化&bull 焦磷酸钒催化氧化正丁烷制马来酸酐&bull 铂网催化剂上的氨氧化(Ostwald工艺)&bull 钛硅沸石上丙烯环氧化生成环氧丙烷(HPPO 工艺)&bull 单颗粒分析反应器型号紧凑型反应器 - CPR(Compact Profile Reactors)多种用途、小巧紧凑的设计、带光学接口特点&bull 带光学通道的紧凑型固定床催化反应器&bull 适合在拉曼显微镜下观察&bull 催化剂床等温区为60 mm&bull 催化剂床直径 4mm&bull 最高温度 550 °C&bull 最大压强 20 bar(高压版本 50 bar)&bull 通过加热反应区外的所有路径,不会使产物冷凝&bull 可与外部分析设备(质谱、气相色谱、拉曼)互联&bull 控制单元&bull 软件 选件&bull 供气&bull 分析软件&bull 采样毛细管内部用于拉曼光谱的光纤和耦合器&bull 带采集光纤的高温计小型台式反应釜(Bench Scale Profile Reactors)适合实验室工作台/通风橱、根据客户流程量身定制、高温/高压特点&bull 中型刨面反应釜&bull 适合放在实验室工作台上或通风橱&bull 可定制催化剂床的尺寸&bull 可定制气体供应和压力控制&bull 最高温度1000 °C&bull 最大压强50 bar&bull 采样毛细管的平移和旋转&bull 通过加热反应区外的所有路径,不会使产物冷凝&bull 可与外部分析设备(质谱、气相色谱、拉曼)互联&bull 控制单元&bull 软件&bull 全自动可控,可实现无人值守的长期运行 选件&bull 分析软件&bull 废气处理&bull 采样毛细管内部用于拉曼光谱的光纤和耦合器&bull 带采集光纤的高温计中试规模反应器根据客户流程量身定制、催化剂床长度长达100 cm、工业管径特点&bull 带通风机架的独立式反应器&bull 可定制催化剂床的尺寸&bull 可定制气体供应和压力控制&bull 最高温度500 °C&bull 最大压强50 bar&bull 取样毛细管的平移和旋转&bull 通过加热反应区外的所有路径,不会使产物冷凝&bull 可与外部分析设备(质谱、气相色谱、拉曼)互联&bull 控制单元&bull 软件&bull 全自动可控,可长期无人值守运行&bull 尾气处理 选件&bull 多个加热/冷却区&bull 分析软件&bull 采样毛细管内部用于拉曼光谱的光纤和耦合器&bull 带采集光纤的高温计&bull 用于快速测量温度曲线的光纤布拉格光栅&bull 液体汽化应用案例反应器中的温度、浓度和光谱曲线测量MoOx/Al3O2催化剂将乙烷氧化脱氢为乙烯的反应中,在 1 bar 反应器压力下,在固定床反应器中测量物质和温度曲线。利用拉曼光谱观测到随着氧分压的降低,MoO3含量逐渐降低。详细信息请参阅:Geske, M. Korup, O. Horn, R. Catal. Sci. Technol. 3 (2013) 169-175.反应器中的空间分辨光谱应用案例1:对涂有 Pt 纳米颗粒的氧化铝泡沫进行空间分辨拉曼光谱分析,Pt颗粒在甲烷催化部分氧化制合成气的反应器中使用过。拉曼光谱显示 Pt 颗粒上形成的 sp2 杂化碳的 D 和 G 带导致催化剂失活。详情请参阅: Korup, O. Goldsmith, C. F. Weinberg, G. Geske, M. Kandemir, T. Schlö gl, R. Horn, R. J. Catal. 297 (2013) 1-16.应用案例2:富甲烷条件下,气相甲烷氧化的空间剖面反应器研究。甲醛是甲烷氧化成一氧化碳过程中所形成的一种低浓度中间物质,通过空间分辨 LIF 光谱进行测量。详情请参阅:Schwarz, H. Geske, M. Goldsmith, C. F. Schlö gl, R. Horn, R. Combust. Flame 161 (2014) 1688-1700. 催化剂本征动力学测量具有沙浴加热、原料气供应和气相色谱产物分析的三重平行等温动力学试验反应器。反应过程的测量和优化应用案例1:利用高分辨率轴向温度分布测量,来确定球体和空心圆柱体填充床的有效轴向导热率。详情请参阅: Sosna, B. Dong, Y. Chromow, L. Korup, O. Horn, R. Chem. Ing. Tech. 88 (2016) 1676-1683.应用案例2: 模拟高温、高流速应用中,用作催化剂载体的开孔泡沫的流动轨迹。中间的圆柱体表示用于空间剖面测量的采样毛细管。反应器建模对壁加热催化固定床反应器内,基于颗粒解析的CFD模拟速度场和温度场。催化剂颗粒形状为空心圆柱体。详情请参阅:Dong, Y. Sosna, B. Korup, O. Rosowski, F. Horn, R. Chem. Eng. J. 317 (2017) 204-214.用户单位获得奖项已发表文章(按应用分类)&bull 原位即时空间分辨光谱(Operando Spectroscopy)Exploring catalyst dynamics in a fixed bed reactor by correlative operando spatially-resolved structure-activity profiling. Wollak, B. Doronkin, D.E. Espinoza,D. Sheppard, T. Korup, O. Schmidt, M. Alizadefanaloo, S. Rosowski, F. Schroer, C. Grunwaldt, J.-D. Horn, R. Journal of Catalysis&bull 传热研究Investigation of Radial Heat Transfer in a Fixed-Bed Reactor: CFD Simulations and Profile Measurements. Dong, Y. Sosna, B. Rosowski, F. Horn, R. Chemical Engineering Journal, Volume 317, (2017), Pages 204-214.Effective Axial Thermal Conductivity in Catalyst Packings from High Resolution Temperature Profiles. Sosna, B. Dong, Y. Chromow, L. Korup, O. Horn, R. Chemie Ingenieur Technik, Volume 88, Issue 11, (2016), Pages 1676-1683.&bull 铑/铂催化甲烷部分氧化制合成气Catalytic Partial Oxidation of Methane on Platinum Investigated by Spatial Reactor Profiles, Spatially Resolved Spectroscopy, and Microkinetic Modeling. Korup, O. Goldsmith, C. F. Weinberg, G. Geske, M. Kandemir, T. Schloegl, R. Horn, R. Journal of Catalysis, Volume 297, Year 2013, Pages 1-16.Measurement and Analysis of Spatial Reactor Profiles in High Temperature Catalysis Research. Korup, O. Mavlyankariev, S. Geske, M. Goldsmith, C. F. Horn, R. Chemical Engineering and Processing, Volume 50, Issue 10, Year 2011, Pages 998-1009.Modeling Spatially Resolved Data of Methane Catalytic Partial Oxidation on Rh Foam Catalyst at Different Inlet Compositions and Flow Rates. Nogare, D. D. Degenstein, N. J. Horn, R. Canu, P. Schmidt, L. D. Journal of Catalysis, Volume 277, Issue 2, Year 2011, Pages 134-148.Catalytic Partial Oxidation of Methane on Rhodium and Platinum: Spatial Profiles at Elevated Pressure. Bitsch-Larsen, A. Horn, R. Schmidt, L. D. Applied Catalysis A-General, Volume 348, Issue 2, Year 2008, Pages 165-172.Modeling Spatially Resolved Profiles of Methane Partial Oxidation on a Rh Foam Catalyst with Detailed Chemistry. Nogare, D. D. Degenstein, N. J. Horn, R. Canu, P. Schmidt, L. D. Journal of Catalysis, Volume 258, Issue 1, Year 2008, Pages 131-142.Performance of Mechanisms and Reactor Models for Methane Oxidation on Rh. Williams, K. A. Horn, R. Schmidt, L. D.AIChE Journal, Volume 53, Issue 8, Year 2007, Pages 2097-2113.Methane Catalytic Partial Oxidation on Autothermal Rh and Pt Foam Catalysts: Oxidation and Reforming Zones, Transport Effects, and Approach to Thermodynamic Equilibrium. Horn, R. Williams, K. A. Degenstein, N. J. Bitsch-Larsen, A. Nogare, D. D. Tupy, S. A. Schmidt, L. D. Journal of Catalysis, Volume 249, Issue 2, Year 2007, Pages 380-393.Mechanism of H2 and CO Formation in the Catalytic Partial Oxidation of CH4 on Rh Probed by Steady-State Spatial Profiles and Spatially Resolved Transients. Horn, R. Williams, K. A. Degenstein, N. J. Schmidt, L. D. Chemical Engineering Science, Volume 62, Issue 5, Year 2007, Pages 1298-1307.Spatial and Temporal Profiles in Millisecond Partial Oxidation Processes. Horn, R. Degenstein, N. J. Williams K. A. Schmidt L. D. Catalysis Letters, Volume 110, Issue 3-4, Year 2006, Pages 169-178.Syngas by Catalytic Partial Oxidation of Methane on Rhodium: Mechanistic Conclusions from Spatially Resolved Measurements and Numerical Simulations. Horn, R. Williams K. A. Degenstein, N. J. Schmidt L. D. Journal of Catalysis, Volume 242, Issue 1, Year 2006, Pages 92-102.&bull 镍上甲烷的干法重整Investigating Dry Reforming of Methane with Spatial Reactor Profiles and Particle-Resolved CFD Simulations. Wehinger, G. D. Kraume, M. Berg, V. Korup, O. Mette, K. Schlö gl, R. Behrens, M. Horn, R. AIChE Journal, Volume 62, Year 2016, Pages 4436-4452.&bull 氧化钼上乙烷氧化脱氢制乙烯Resolving Kinetics and Dynamics of a Catalytic Reaction inside a Fixed Bed Reactor by Combined Kinetic and Spectroscopic Profiling. Geske, M. Korup, O. Horn, R. Catalysis Science and Technology, Volume 3, Year 2013, Pages 169-175.&bull 甲烷选择性氧化Fuel-Rich Methane Oxidation in a High-Pressure Flow Reactor Studied by Optical-Fiber Laser-Induced Fluorescence, Multi-Species Sampling Profile Measurements and Detailed Kinetic Simulations. Schwarz, H. Geske, M. Goldsmith, C. F. Schlö gl, R. Horn, R. Combustion and Flame, Volume 161, Year 2014, Pages 1688-1700.&bull 铂网上甲烷催化燃烧Catalytic Methane Combustion on a Pt Gauze: Laser-Induced Fluorescence Spectroscopy, Species Profiles and Simulations. Schwarz, H. Dong, Y. Horn, R. Chemical Engineering Technology, Volume 39, Year 2016, Pages 2011-2019.&bull 泡沫铂催化剂上的一氧化碳氧化Catalytic Methane Combustion on a Pt Gauze: Laser-Induced Fluorescence Spectroscopy, Species Profiles and Simulations. Schwarz, H. Dong, Y. Horn, R. Chemical Engineering Technology, Volume 39, Year 2016, Pages 2011-2019&bull 焦磷酸钒催化氧化正丁烷制马来酸酐Catalytic Methane Combustion on a Pt Gauze: Laser-Induced Fluorescence Spectroscopy, Species Profiles and Simulations. Schwarz, H. Dong, Y. Horn, R. Chemical Engineering Technology, Volume 39, Year 2016, Pages 2011-2019.&bull 铂网催化剂上的氨氧化(Ostwald工艺)Catalytic Methane Combustion on a Pt Gauze: Laser-Induced Fluorescence Spectroscopy, Species Profiles and Simulations. Schwarz, H. Dong, Y. Horn, R. Chemical Engineering Technology, Volume 39, Year 2016, Pages 2011-2019.&bull 钛硅沸石上丙烯环氧化生成环氧丙烷(HPPO 工艺)Work in progress. Coming soon...&bull 单颗粒分析Probing local diffusion and reaction in a porous catalyst pellet. Sosna B. Korup O. Horn, R. Journal of Catalysis
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