Abstract
In this paper, a heterogeneous catalytic system consisting of Co/Mn/Br/activated carbon is used to catalyze 2-nitro-4-methylsulfonyl benzoic acid (NMSBA) production from the oxidation of 2-nitro-4-methylsulfonyltoluene (NMST) by oxygen. The activated carbon (AC) is made from coconut shell with acetic acid as an activator. The experiments indicate that the best AC is made by immersing coconut shell in 12 mol L−1 HAc solution at 50 °C for 32 h with a liquid/solid ratio (mL/g) of 5:1 and then being heated in nitrogen at 800 °C for 6 h. Compared with the Co/Mn/Br/H3PMo12O40@CAC (CAC, commercial activated carbon originated from coconut shell) catalytic system, the Co/Mn/Br/AC catalytic system is able to gain much higher NMSBA selectivity. In spite of holding smaller surface and less acidic groups, the AC owns much more carboxyl than CAC, which is the main reason for its better performance in the preparation of NMSBA.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: None declared.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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Articles in the same Issue
- Frontmatter
- Articles
- Numerical study of post-combustion characteristic in a smelting reduction furnace
- Experimental study and modeling of denitrification in an MBBR reactor
- Experimental study on the influence of fuel-rich and fuel-lean coal/airflow ratio on aerodynamic characteristics of a 300MWe foster wheeler down-fired boiler
- Effect of La on the catalytic performance of mesoporous Ni/γ-Al2O3 catalysts for dry reforming of methane
- Adsorption of paratoluic acid on MIL-53 (Al) metal-organic framework, and response surface methodology optimization
- An intelligent dynamic setting control framework for a multimode impurity removal process
- Optimization of microwave-assisted synthesis process for water-soluble ammonium polyphosphate from urea phosphate and urea
- Oxidation of NMST to NMSBA catalyzed by Co/Mn/Br together with porous carbon made from coconut shell with acetic acid as an activator
- Influence of blast volume on hot blast distribution rule around the hearth circumferentially
Articles in the same Issue
- Frontmatter
- Articles
- Numerical study of post-combustion characteristic in a smelting reduction furnace
- Experimental study and modeling of denitrification in an MBBR reactor
- Experimental study on the influence of fuel-rich and fuel-lean coal/airflow ratio on aerodynamic characteristics of a 300MWe foster wheeler down-fired boiler
- Effect of La on the catalytic performance of mesoporous Ni/γ-Al2O3 catalysts for dry reforming of methane
- Adsorption of paratoluic acid on MIL-53 (Al) metal-organic framework, and response surface methodology optimization
- An intelligent dynamic setting control framework for a multimode impurity removal process
- Optimization of microwave-assisted synthesis process for water-soluble ammonium polyphosphate from urea phosphate and urea
- Oxidation of NMST to NMSBA catalyzed by Co/Mn/Br together with porous carbon made from coconut shell with acetic acid as an activator
- Influence of blast volume on hot blast distribution rule around the hearth circumferentially