Tungsten Oxides-Containing Titanium Silicalite for Liquid Phase Epoxidation of 1-octene with Aqueous Hydrogen Peroxide

Prasetyoko, Didik; Fansuri, Hamzah; Ramli, Zainab; Endud, Salasiah; Nur, Hadi

doi:10.1007/s10562-008-9727-7

Cited by 14 publications

(8 citation statements)

References 20 publications

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“…The absorption bands at around 1100, 800 and 450/cm were lattice modes associated with internal linkages in [SiO 4 ] tetrahedral [29]. The absorption bands at around 1230 and 547/cm were characteristic peaks of the MFI type zeolite structure [30], which were consistent with the XRD characteristic MFI structure. The vibrational modes at around 970/cm are commonly believed to be the stretching mode of the [SiO 4 ] tetrahedral bond with Ti atoms and the fingerprint of framework titanium [31][32][33][34].…”

Section: Ft-ir Spectrasupporting

confidence: 63%

Epoxidation of Butadiene Over Nickel Modified TS-1 Catalyst

Chou

Song

2012

Catal Lett

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Nickel modified Titanium silicalite 1 (TS-1) catalysts provided an environmentally benign and effective method for butadiene epoxidation. Certain loading of modified Ni in our system significantly promoted TS-1 catalytic activity. The product vinyloxirane (VO) was obtained with high yield of 0.49 mol/L (theoretic equilibrium value 0.52 mol/L). The turnover number (TON, determined as the molar VO obtained per molar Ti atom) reached 1,140. Besides, the catalyst kept high activity during five runs of reusability test. XRD, N 2 adsorption and desorption, TPR, XPS, FT-IR and DR UV-Vis were employed to characterize the specific Ni role to Ti-site in Ni/TS-1 catalysts.

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Section: Ft-ir Spectrasupporting

confidence: 63%

Epoxidation of Butadiene Over Nickel Modified TS-1 Catalyst

Chou

Song

2012

Catal Lett

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“…Prasetyoko et al 161 studied the performances of WO 3 supported on the titanium silicates (TS-1) by impregnation method for epoxidation of 1-octene in H 2 O 2 and acetone medium at 70 °C. All samples show good activity (WO 3 /TS-1: 930 h −1 ).…”

Section: Acs Sustainable Chemistry and Engineeringmentioning

confidence: 99%

Liquid-Phase Epoxidation of Light Olefins over W and Nb Nanocatalysts

Yan

Zhang

Liu

et al. 2018

ACS Sustainable Chem. Eng.

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Epoxides are among the most important essential building blocks with wide downstream applications in the chemical industry. In this context, rational design of cost-effective catalysts is critical to achieve high atom efficiency during epoxidation processes. Therefore, in this perspective, recent research progress on heterogeneous W and Nb nanocatalysts for facile liquid-phase epoxidation will be critically reviewed in terms of catalyst synthesis, surface characterization and structure–function relationship. Furthermore, plausible mechanisms for liquid-phase epoxidation of ethylene, propylene, hexene, octene and other light olefins, as well as deactivation mechanism of W and Nb catalysts will be systematically discussed with the aim to provide insights into fundamental understanding on novel epoxidation chemistry and improving activity, selectivity, and stability nanocatalytic materials.

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“…Since a group at Enichem rst reported the synthesis of TS-1 zeolite in 1983, 1 many researchers have tried to understand the properties of this microporous catalyst. [2][3][4][5] TS-1 zeolite is a redox molecular sieve with a MFI structure which is usually used in the selective oxidation of various organic compounds with hydrogen peroxide as oxidant under mild conditions, such as the epoxidation of olens, [6][7][8][9] the hydroxylation of aromatic compounds, [10][11][12][13] the ammoximation of ketones, 14,15 and the oxidation of alkanes, alcohols and sulfur-containing compounds. [16][17][18][19][20][21] It is indicated that TS-1 is capable of catalyzing the hydroxylation reaction of aromatics in the presence of hydrogen peroxide.…”

Section: Introductionmentioning

confidence: 99%

The preparation and properties of Cu doped TS-1 zeolite

Zhang

Sheng

et al. 2013

RSC Adv.

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A modified hydrothermal method was used to synthesize Cu doped TS-1 zeolite (Cu-TS-1) from TEOS, TBOT and Cu(CH 3 COO) 2 with TPAOH as the template. The impregnation of TS-1 with aqueous solution of Cu(NO 3 ) 2 was also carried out to introduce Cu species onto TS-1 to obtain Cu/TS-1 catalyst. The TS-1, Cu/TS-1 and Cu-TS-1 samples were characterized by XRD, XPS, SEM, UV-VIS, FT-IR, Raman and NH 3 -TPD-MS to reveal the effect of the preparation procedure and Cu contents on the properties of Cu-TS-1 zeolite samples. Cu species doped via the modified hydrothermal method made the crystal shape of the samples change from round to polygon, however, the crystal shape was almost unchanged when Cu species was doped via wet impregnation. A proper amount of Cu species in the Cu-TS-1 zeolite could promote the crystallization of MFI structure and limit the formation of extra-framework TiO 2 . The Cu-TS-1 zeolite was employed as a catalyst in the nitration of benzene with ammonium acetate as the nitrating agent and hydrogen peroxide as the oxidizing agent under mild conditions. The synergetic effect of doped Cu and TS-1 zeolite with MFI structure restrained the hydroxylation reaction, and increased the yield and selectivity to nitrobenzene. 47.8 mmol (about 0.4%) yield and 57.0% selectivity to nitrobenzene with a I TOF ¼ 9.6 h À1 and a II TOF ¼ 38.3 h À1 were obtained on Cu-TS-1 (1.76 wt% Cu content) catalyst under optimized reaction conditions.

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Tungsten Oxides-Containing Titanium Silicalite for Liquid Phase Epoxidation of 1-octene with Aqueous Hydrogen Peroxide

Cited by 14 publications

References 20 publications

Epoxidation of Butadiene Over Nickel Modified TS-1 Catalyst

Epoxidation of Butadiene Over Nickel Modified TS-1 Catalyst

Liquid-Phase Epoxidation of Light Olefins over W and Nb Nanocatalysts

The preparation and properties of Cu doped TS-1 zeolite

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