A Study on the Production of Isophthalic Acid from M-xylene under the Catalysis of Cobalt and H3PW12O40/Carbon Modified by HNO3 Solution
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Zhi-hao Wang
Abstract
The oxidation of m-xylene(MX) to isophthalic acid(IPA) catalyzed by phosphotungstic acid(HPW) supported on modified activated carbon was investigated. The activated carbon loading with HPW is modified by HNO3 solution to ameliorate its catalytic capability in the oxidation of MX to IPA. Experiments have been carried out to study the effects of modification conditions, such as HNO3 concentration, impregnation time, impregnation temperature, activation temperature and activation time, on the catalytic performance of activated carbon. The experimental results demonstrate that the carbon sample impregnated in 10%(vol) HNO3 solution at 45°C for 8 h followed by calcined at 700°C for 4 h has the best catalytic capability. The characterization results imply that the specific surface area and micropores of the carbon samples decrease after being treated with HNO3 solution. But the acidic functional groups on the activated carbon surface increase, which play a vital role in improving the catalytic ability of the HPW/C catalyst in the oxidization of m-xylene to IPA.
Funding statement: Funding: The present work is supported by the NSFC (No. 21176081).
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©2015 by De Gruyter
Articles in the same Issue
- Frontmatter
- Reviews
- Fischer–Tropsch Synthesis in Slurry Bubble Column Reactors: Experimental Investigations and Modeling – A Review
- Computational Fluid Dynamics-Based Hydrodynamics Studies in Packed Bed Columns: Current Status and Future Directions
- Research Articles
- Optimized Modular Design and Experiment for Staggered Herringbone Chaotic Micromixer
- Effects of the Types and Addition Amounts of Sludge on the True Rheological Properties of Petroleum Coke Slurry Flowing in Pipelines
- Stabilization of Fast Pyrolysis Oil Derived from Wood through Esterification
- CO2 Sorption by Hydrotalcite-Like Compounds in Dry and Wet Conditions
- Experimental Tests with Rice Straw on a Conical Square-Based Spouted Bed Reactor
- Kinetics for an Optimized Biosynthesis of Silver Nanoparticles Using Alfalfa Extracts
- Assessing the Feasibility of Optical Probe in Phase Holdup Measurements and Flow Regime Identification
- Modeling Study of Crude Oil Enhanced Removal in a Two-Liquid Phase Partitioning Bioreactor
- Application of Deep Eutectic Solvent (DES) as a Reaction Media for the Esterification of Acrylic Acid with n-Butanol
- Transesterification of Degummed Jatropha curcas Oil Using Tri-potassium Phosphate as Base Catalyst
- Process Intensification for Production of Ethyl Lactate from Fermentation-Derived Magnesium Lactate: A Preliminary Design
- A Study on the Production of Isophthalic Acid from M-xylene under the Catalysis of Cobalt and H3PW12O40/Carbon Modified by HNO3 Solution
- Statistical Medium Optimization for the Increased Production of Recombinant Phytase in the Fed-Batch Cultivation of Pichia pastoris
- Catalytic Degradation of Pyrrole in Aqueous Solution by Cu/SBA-15
Articles in the same Issue
- Frontmatter
- Reviews
- Fischer–Tropsch Synthesis in Slurry Bubble Column Reactors: Experimental Investigations and Modeling – A Review
- Computational Fluid Dynamics-Based Hydrodynamics Studies in Packed Bed Columns: Current Status and Future Directions
- Research Articles
- Optimized Modular Design and Experiment for Staggered Herringbone Chaotic Micromixer
- Effects of the Types and Addition Amounts of Sludge on the True Rheological Properties of Petroleum Coke Slurry Flowing in Pipelines
- Stabilization of Fast Pyrolysis Oil Derived from Wood through Esterification
- CO2 Sorption by Hydrotalcite-Like Compounds in Dry and Wet Conditions
- Experimental Tests with Rice Straw on a Conical Square-Based Spouted Bed Reactor
- Kinetics for an Optimized Biosynthesis of Silver Nanoparticles Using Alfalfa Extracts
- Assessing the Feasibility of Optical Probe in Phase Holdup Measurements and Flow Regime Identification
- Modeling Study of Crude Oil Enhanced Removal in a Two-Liquid Phase Partitioning Bioreactor
- Application of Deep Eutectic Solvent (DES) as a Reaction Media for the Esterification of Acrylic Acid with n-Butanol
- Transesterification of Degummed Jatropha curcas Oil Using Tri-potassium Phosphate as Base Catalyst
- Process Intensification for Production of Ethyl Lactate from Fermentation-Derived Magnesium Lactate: A Preliminary Design
- A Study on the Production of Isophthalic Acid from M-xylene under the Catalysis of Cobalt and H3PW12O40/Carbon Modified by HNO3 Solution
- Statistical Medium Optimization for the Increased Production of Recombinant Phytase in the Fed-Batch Cultivation of Pichia pastoris
- Catalytic Degradation of Pyrrole in Aqueous Solution by Cu/SBA-15
