Dual-functionalized large pore mesoporous silica as an efficient catalyst for bisphenol-A synthesis

Chen, Chin-Chang; Cheng, Sheng-Tzong; Jang, Ling‐Yun

doi:10.1016/j.micromeso.2007.04.053

Cited by 39 publications

(31 citation statements)

References 39 publications

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“…Investigations by Cheng and co-workers has also confirmed these results [181]. [186], p-TsOH/SiO 2 [187], and mesoporous mixed metal oxide nano-crystals [188] was also investigated in this reaction.…”

Section: Cyclisationsupporting

confidence: 58%

Sulfonic acid-functionalized mesoporous silica (SBA-Pr-SO3H) as solid acid catalyst in organic reactions

Ziarani

Lashgari

Badiei

2015

Journal of Molecular Catalysis A: Chemical

150

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Section: Cyclisationsupporting

confidence: 58%

Sulfonic acid-functionalized mesoporous silica (SBA-Pr-SO3H) as solid acid catalyst in organic reactions

Ziarani

Lashgari

Badiei

2015

Journal of Molecular Catalysis A: Chemical

150

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“…Three well resolved peaks were indexed according to the two dimensional P6m hexagonal symmetry. [ [32][33][34][35] Similar FTIR spectra were obtained for the different samples. Although solubility of MPTMS in scCO 2 is very high, pressure and CO 2 density also have a positive effect on the process probably helping in the dissolution process.…”

Section: Resultsmentioning

confidence: 99%

Thiol group functionalization of mesoporous SiO 2 SBA-15 using supercritical CO 2

Tenorio

Morère

Carnerero

et al. 2018

Microporous and Mesoporous Materials

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“…2,2‐bis(4‐hydroxyphenyl)propane, more commonly known as bisphenol‐A (BPA), is an important raw material for the production of epoxy resins and polycarbonates . Currently, BPA is mainly manufactured by condensation reaction of acetone and phenol with cation exchange resin as catalyst in fixed‐bed reactor.…”

Section: Introductionmentioning

confidence: 99%

Hybrid soft sensor modeling for bisphenol‐A synthesis reaction process

Cang

Yang

2019

Asia-Pacific J Chem Eng

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To online estimate the concentrations of key components at the outlet of bisphenol‐A (BPA) synthesis reactor, a hybrid modeling approach is proposed in this paper. First, the simplified mechanism model for the synthesis of BPA in an industrial fixed‐bed reactor is deduced on the basis of mass and energy balance. Second, considering that the initial concentrations of reactants at the inlet of BPA synthesis reactor cannot be measured in real‐time, the modified stochastic gradient boosting‐Gaussian process regression approach previously proposed by the authors is employed to online estimate the initial concentrations of reactants. Furthermore, modified stochastic gradient boosting‐Gaussian process regression method is also adopted to model the nonlinear influence of the reaction factors ( i.e., initial concentrations of reactants and inlet temperature) on the reaction rate constants in the simplified mechanism model. Finally, the hybrid modeling approach for BPA synthesis process is achieved by integrating the simplified mechanism model with the estimation models of initial concentrations and reaction rate constants. The feasibility and validity of the proposed hybrid model is verified through an industrial BPA synthesis process. On the basis of the hybrid model, the sensitivity analyses of the initial concentrations and inlet temperature are conducted, which can provide theoretical guidance for the operation optimization study in future work.

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Dual-functionalized large pore mesoporous silica as an efficient catalyst for bisphenol-A synthesis

Cited by 39 publications

References 39 publications

Sulfonic acid-functionalized mesoporous silica (SBA-Pr-SO3H) as solid acid catalyst in organic reactions

Sulfonic acid-functionalized mesoporous silica (SBA-Pr-SO3H) as solid acid catalyst in organic reactions

Thiol group functionalization of mesoporous SiO 2 SBA-15 using supercritical CO 2

Hybrid soft sensor modeling for bisphenol‐A synthesis reaction process

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