Production of iso-Amyl Acetate: Heterogeneous Kinetics and Techno-feasibility Evaluation for Catalytic Distillation
-
B. Saha
Esterification reactions are typically equilibrium limited, and face challenges with product purification. They are carried out commercially using either large excess of one of the reactants, or by removing one of the products continuously in a reactive distillation column (RDC). In the present work, we studied the kinetics of esterification reactions of dilute acetic acid with iso-amyl alcohol to produce a value added ester (iso-amyl acetate) using ion-exchange resins, Purolite® CT-175 and CT-275 as catalysts in a batch reactor. The effect of agitation speed, catalyst particle size, reaction temperature, acetic acid concentration, acetic acid to iso-amyl alcohol molar ratio and catalyst loadings were investigated to optimise the reaction conditions. The non-ideality of each species in the reacting mixture was accounted for by using the activity coefficient via the use of the UNIFAC group contribution method. The kinetic data were correlated with Langmuir-Hinshelwood-Hougen-Watson (LHHW) and Eley-Rideal (E-R) models. The detailed kinetic data and a reliable rate expression for the esterification of acetic acid with an aliphatic alcohol (iso-amyl alcohol) would be useful for the simulation and design of an RDC for removing dilute acetic acid from aqueous streams. Another objective of this work was to evaluate the techno-feasibility of this operation through a systematic procedure of residue curve map (RCM). RCM gives a design engineer an idea of the existence of any separation boundaries imposed by the singular points corresponding to the reactive or kinetic azeotropes and thereby provide an insight into the feasibility of the desired operation. In the present study, RCM was generated for the quaternary system (acetic acid - iso-amyl alcohol - iso-amyl acetate - water) under different conditions to work out the feasibility of the operation. This map also suggests possible column sequencing or configurations to achieve a desired duty in an RDC.
©2011 Walter de Gruyter GmbH & Co. KG, Berlin/Boston
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Articles in the same Issue
- Review
- A Review of Short Residence Time Cracking Processes
- Microchannel Reactors: Applications and Use in Process Development
- Carbon Nanotube Synthesis: A Review
- Modelling the Hydrodynamics of Gas-Liquid Packed Beds via Slit Models: A Review
- Article
- Heat Transfer in a Membrane Assisted Bubbling Fluidized Bed with Immersed Horizontal Tubes
- Simulation of the Storage of Molten Poly(Ethylene Terephthalate)
- Optimal Non-isothermal Reactor Network for Van de Vusse Reaction
- Dodecane Decomposition in a Radio-Frequency (RF) Plasma Reactor
- Glucose Diffusion on Support for Solid State Fermentation and its Influence on Tannase Production Profiles
- A Kinetic Model for Toluene Oxidation Comprising Benzylperoxy Benzoate Ester as Reactive Intermediate in the Formation of Benzaldehyde
- A Computational Study of Gas-solid Flow in an Enhanced Solid Entrainment (ESE) Nozzle System
- A Neural Network Approach for Prediction of the CuO-ZnO-Al2O3 Catalyst Deactivation
- Modeling and Simulation of a Multistage Agitated Contactor for Hydrogenation of Nitrile Butadiene Rubber
- Experimental and Model Based Study of the Hydrogenation of Acrolein to Allyl Alcohol
- iso-Amyl Acetate Synthesis by Catalytic Distillation
- A Reverse Flow Catalytic Membrane Reactor for the Production of Syngas: An Experimental Study
- Comparative Study of Two-Phase Gas-Liquid Flow in the Ejector Induced Upflow and Downflow Bubble Column
- Hydrogenation of Acetylene: Kinetic Studies and Reactor Modeling
- Acceleration of Chemical Reactions Using a Supercritical Water Microreaction System
- Effect of Temperature on Solids Mixing in a Bubbling Fluidized Bed Reactor
- Optimal Operation of Semi-Batch Processes with a Single Reaction
- Scale Effects on Fluidized Bed Hydrodynamics
- Ultrasonic Investigation of Hydrodynamics and Mass Transfer in a Gas-Liquid(-Liquid) Stirred Vessel
- Hydrodynamic and Mass Transfer Parameters in Agitated Reactors Part II: Gas-Holdup, Sauter Mean Bubble Diameters, Volumetric Mass Transfer Coefficients, Gas-Liquid Interfacial Areas, and Liquid-Side Mass Transfer Coefficients
- Numerical and Experimental Studies of Air Bubbles Coalescence in a Quiescent Water Column
- Mixing Time Studies in Bubble Column Reactor with and without Internals
- Alkylation of Bromobenzene with Allyl Acetate on Zeolite H-USY: Catalytic Testing and Reaction Modeling
- Compact Direct Methanol Fuel Cells for Portable Applications: A Modeling Study
- Hydrogenation of Citral Over Ni on Monolith
- First Steps in the Adsorption of C5H8 on Pt(111)
- The Effect of Solvent on the Kinetics and Mass Transfer Resistances for 4,6 DMDBT HDS
- Solvent Effects During Oxidation-Extraction Desulfurization Process of Aromatic Sulfur Compounds from Fuels
- Kinetics Study on Heterogeneous Catalytic Wet Air Oxidation of Phenol using Copper/Activated Carbon Catalyst
- Production of iso-Amyl Acetate: Heterogeneous Kinetics and Techno-feasibility Evaluation for Catalytic Distillation
- On the Performance of Metal Supported Catalysts Prepared by Microemulsion: Sol Gel and Precipitation of the Support Precursor
- The Influence Of The Support On The Deactivation Behaviour of Pt-Sn Reforming Catalysts
- Redox Stabilization Effect of TiO2 in Co3O4 as Oxygen Carrier for the Production of Hydrogen through POX and Chemical Looping Processes
- Kinetics of Adiponitrile Hydrogenation Over Rhodium-Alumina Catalysts
- Mixing Characteristics of an Axial-Flow Rotor: Experimental and Numerical Study
- CFD Simulation of Heat Transfer in a Circular Channel: Effect of the Pe Number
- An Approximate Analytical Solution for the Diffusion and Reaction Problem in a Catalyst Pellet in the Presence of Coke Formation
- Catalytic Gasification of Biomass in a CREC Fluidized Riser Simulator
- The Optimisation of Pressure Measurements for the Control of Bubbling Fluidised Beds
- The Applicability Of Activities In Kinetic Expressions: a More Fundamental Approach To Represent the Kinetics Of the System CO2-OH- In Terms Of Activities
- Hydrogen Production in Fluidized Beds with In-Situ Membranes
- Modeling of Solid Acid Catalyzed Alkylation Reactors
- Hydrolysis of Lactose in a Fluidized Bed of Zeolite Pellets Supporting Adsorbed ß - Galactosidase
- Direct Synthesis of Dimethyl Ether From (H2+CO) and (H2+CO2) Feeds. Effect of Feed Composition
- Photocatalytic Inactivation of Bioaerosols by TiO2 Coated Membrane
- Use of CFD for Wastewater Disinfection Process Analysis: E.coli Inactivation with Peroxyacetic Acid (PAA)
- Industrial Development and Operation of an Efficient Riser Separation System for FCC Units
- Phenomenological Kinetics of Isothermal Wet Air Oxidation: Operating Severity Factor and Recalcitrance Index
- A Study of Fermentation for Human Interleukin-11 with Recombinant E. Coli
- Modelling a Biochemical Reaction with Computational Fluid Dynamics
- Innovative Reactors for Determining Kinetics of Highly Exothermic Heterogeneous Catalytic Reactions
- Hydrodynamics of High-Density Downer Reactors Using a Novel Solids Feeder
- Prediction of the Gas Holdup in Industrial-Scale Bubble Columns and Slurry Bubble Column Reactors Using Back-Propagation Neural Networks
- Characterization of Homogeneity of Bubble Flows in Bubble Columns Using RPT and Fibre Optics
- Experiments and CFD Modelling of Fast Chemical Reaction in Turbulent Liquid Flows
- Light Intensity Distribution in a Dual-Lamp Photoreactor
- Modeling of Chemical Vapor Deposition in a Fluidized Bed Reactor Based on Discrete Particle Simulation
- Hydrogen from an Internally Circulating Fluidized Bed Membrane Reactor
- Activity and Selectivity of Novel Structured Pd-Catalysts: Kinetics Modeling of Vegetable Oils Hydrogenation
- Mathematical Modeling of the Transient Behaviour of a Chemostat Undergoing Bio-Desulfurization of Model Organosulfur Compounds and Diesel Using Pure and Isolated Bacterial Strains
- Modeling and Experimental Study of a Stirred Tank Reactor
- Stability Analysis of an Activated Sludge Bioreactor at a Petrochemical Plant at Different Temperatures
- Towards Bifurcation Detection in Kinetic Monte Carlo Simulations: Robust Identification with Artificial Neural Networks and Nonlinear Kalman Filters
- Conference Presentation
- Modeling Hydrocarbon Processing
- Short Communication or Note
- Alternate Co-Catalysts For Ziegler-Natta High Temperature Olefin Polymerization