2007
DOI: 10.1016/j.cej.2006.10.034
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Kinetic modelling of phenol hydroxylation using titanium and tin silicalite-1s: Effect of tin incorporation

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Cited by 24 publications
(7 citation statements)
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“…The analytical methods for phenol and dihydric phenols include ultravioletvisible (UV) spectrophotometry [7], thin-layer chromatography (TLC) [8], and fluorescence [9][10][11][12], while the most frequently used methods are gas chromatography (GC) [13][14][15][16], high-performance liquid chromatography (HPLC) [17][18][19][20], and electrochemical methods [21][22][23][24]. The UV spectra of phenol, catechol, and hydroquinone overlap with one another when using spectrophotometry, so software analysis such as the successive approximation method [25], multi-wavelength linear Fig.…”
Section: Introductionmentioning
confidence: 99%
“…The analytical methods for phenol and dihydric phenols include ultravioletvisible (UV) spectrophotometry [7], thin-layer chromatography (TLC) [8], and fluorescence [9][10][11][12], while the most frequently used methods are gas chromatography (GC) [13][14][15][16], high-performance liquid chromatography (HPLC) [17][18][19][20], and electrochemical methods [21][22][23][24]. The UV spectra of phenol, catechol, and hydroquinone overlap with one another when using spectrophotometry, so software analysis such as the successive approximation method [25], multi-wavelength linear Fig.…”
Section: Introductionmentioning
confidence: 99%
“…There are many reports [48][49][50][51] on the use of TS-1 zeolite as catalyst for phenol hydroxylation reaction to hydroquinone and catechol as shown in the reaction Scheme 1. In this reaction, dihydroxybenzenes and benzoquinone are the desired product and byproduct.…”
Section: Phenol Hydroxylation Reactionmentioning
confidence: 98%
“…Titanium silikalit mikro pori (TS-1) telah terbukti dapat mengoksidasi fenol dengan sangat bagus dan telah secara komersial digunakan oleh Enichem untuk mengkatalisis reaksi hidroksilasi fenol menghasilkan campuran hidroquinon dan katekol dengan hasil dan selektifitas tinggi [2]. Berbagai penelitian telah dilakukan untuk menyelidiki struktur dan sifat katalitik material yang mengandung titanium, seperti TS-1 [1], [3], TS-2 , Ti-MCM-41 [4], Ti-Sn-S-1 [5]. Aktivitas katalitik dan selektifitas produk menggunakan katalis oksida logam seperti TS-1 bergantung pada ukuran pori, dimana produknya (hidroquinon dan katekol) dapat terbentuk baik di dalam maupun di luar pori, serta sifat-sifat seperti keasaman dan hidrofilisitas.…”
Section: Pendahuluanunclassified
“…Sedangkan referensi [12] membuktikan bahwa dispersi MoO 3 pada komposit Ti-Si dapat meningkatkan aktivitas katalitik reaksi transesterifikasi dimetil oksalat, dengan adanya penambahan sisi asam Bronsted pada permukaan Ti-Si. Katalis bimetalik titanium silikalit-1 (Ti-Sn-S-1) menunjukkan aktivitas katalitik yang lebih tinggi pada reaksi hidroksilasi fenol dibandingkan dengan TS-1 [5]. Hal ini disebabkan kandungan Sn yang optimal dapat meningkatkan adsorpsi reaktan, H 2 O 2 , adanya penambahan sisi asam Lewis oleh Sn.…”
Section: Pendahuluanunclassified