Category: 97-99-4

Yan, Houchun; Han, Yuanyuan; Sun, Shiwei; Han, Mai; Fan, Wenyang; Li, Qingsong published the artcile< Liquid-liquid equilibrium for ternary systems of water + tetrahydrofurfuryl alcohol + isopentanol/1-hexanol at 303.2, 313.2, 323.2 K>, Recommanded Product: (Tetrahydrofuran-2-yl)methanol, the main research area is water tetrahydrofurfuryl alc isopentanol hexanol liquid equilibrium.

In 101.3 kPa, Liquid-liquid equilibrium (LLE) data of water + tetrahydrofurfuryl alc. (THFA) + isopentanol/1-hexanol were measured at 303.2, 313.2, and 323.2 K. The distribution coefficient and separation coefficient of THFA extracted from water were used to assess the utility. The measured data were connected through the NRTL and UNIQUAC models to regress the binary interaction parameters. The GUI-MATLAB was used to check the consistency of the calculated binary interaction parameters and LLE data. The RMSD of both models were less than 0.0077 to prove their consistency with the exptl. data.

Journal of Chemical Thermodynamics published new progress about Liquid-liquid equilibrium. 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, Recommanded Product: (Tetrahydrofuran-2-yl)methanol.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Tran, Luc-Sy; Carstensen, Hans-Heinrich; Foo, Kae Ken; Lamoureux, Nathalie; Gosselin, Sylvie; Gasnot, Laurent; El-Bakali, Abderrahman; Desgroux, Pascale published the artcile< Experimental and modeling study of the high-temperature combustion chemistry of tetrahydrofurfuryl alcohol>, SDS of cas: 97-99-4, the main research area is tetrahydrofurfuryl alc high temperature combustion chem.

In the present study, the high-temperature (HT) combustion chem. of tetrahydrofurfuryl alc. (THFA), a THF based biofuel, was investigated using a comprehensive exptl. and numerical approach.Representative chem. species profiles in a stoichiometric premixed methane flame doped with ∼20% (molar) THFA at 5.3 kPa were measured using online gas chromatog. The flame temperature was obtained by NO laser-induced fluorescence (LIF) thermometry. More than 40 chem. products were identified and quantified. Many of them such as ethylene, formaldehyde, acrolein, allyl alc., 2,3-dihydrofuran, 3,4-dihydropyran, 4-pentenal, and tetrahydrofuran-2-carbaldehyde are fuel-specific decomposition products formed in rather high concentrations In the numerical part, as a complement to kinetic modeling, high-level theor. calculations were performed to identify plausible reaction pathways that lead to the observed products. A detailed kinetic model for high-temperature combustion of THFA was developed, which reasonably predicts the exptl. data. Subsequent rate anal. showed that THFA is mainly consumed by H-abstraction reactions yielding several fuel radicals that in turn undergo either β-scission reactions or intramol. radical addition that effectively leads to ring enlargement. Along THFA reaction routes, the derived species with cis configuration were found to be thermodynamically more stable than their corresponding trans configuration, which differs from usual observations for hydrocarbons.

Proceedings of the Combustion Institute published new progress about Biofuels. 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, SDS of cas: 97-99-4.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Byun, Mi Yeon; Lee, Man Sig published the artcile< Effect of carboxylate stabilizers on the performance of Pt/C catalysts for furfural hydrogenation>, Related Products of 97-99-4, the main research area is platinum carbon furfural hydrogenation catalyst.

Highly dispersed carbon-supported Pt (Pt/C) catalysts with various carboxylate stabilizers were prepared by deposition-reduction and characterized. The Pt complexes surrounded by stabilizer retard the aggregation of Pt nanoparticles during the precipitation and reduction process. Increasing the carbon chain length of the stabilizer from one to two resulted in nanosized Pt particles, which afforded more stable nucleation and growth of the Pt. However, increasing the alkyl chain length of the stabilizer to five produced aggregated Pt particles because the particles became entangled during the interaction between the Pt complexes and the carbon support. The Pt/C catalyst prepared by using sodium succinate dibasic as the stabilizer has the highest Pt dispersion at 68%. The Pt/C catalysts with carboxylate stabilizers were evaluated for use in aqueous-phase furfural hydrogenation. Catalysts with a higher Pt dispersion exhibited higher furfural conversion and higher selectivity for furfuryl alc. Using sodium succinate as the stabilizer, the optimum conditions afforded 100% furfural conversion and 86.6% furfuryl alc. selectivity.

Journal of Environmental Chemical Engineering published new progress about Adsorption. 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, Related Products of 97-99-4.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Koley, Paramita; Rao, B. Srinivasa; Sabri, Ylias M.; Bhargava, Suresh K.; Tardio, James; Lingaiah, N. published the artcile< Selective conversion of furfural into tetrahydrofurfuryl alcohol using a heteropoly acid-based material as a hydrogenation catalyst>, Recommanded Product: (Tetrahydrofuran-2-yl)methanol, the main research area is vanadium palladium molybdophosphoric acid catalyst preparation furfural hydrogenation.

Tetrahydrofurfuryl alc. (THFAL) is a green solvent as well as a significant platform chem. which can be obtained from biomass derived furfural. In this study, new palladium exchanged vanadium incorporated supported heteropoly molybdate (PdMPAV2) catalysts were synthesized using a simple wet impregnation method and studied for selective hydrogenation of furfural. Six different catalysts were investigated: PdMPAV2/Al2O3, PdMPAV2/TiO2, PdMPAV2/SiO2, PdMPAV2/ZrO2, PdMPAV2/Nb2O5 and Pd/Al2O3. Of the catalysts studied the PdMPAV2/Al2O3 catalyst was able to achieve the highest selectivity of THFAL (95%) under moderate reaction conditions (150°C, 2.5 MPa, 6 h) using isopropanol as a solvent and the weight percentage of palladium is only 0.5% which is the least among all the previously reported catalysts. The other catalysts investigated achieved yields of 50-75% under the same reaction conditions. The higher selectivity obtained using the alumina supported catalyst was explained using a range of physicochem. methods: XRD, temperature programmed reduction (H2-TPR), CO pulse chemisorption, BET surface area anal. and SEM. The H2-TPR results showed that PdMPAV2/Al2O3 contained a significant amount of Pd that was reduced at the lowest temperature (~100°C) observed for all the materials investigated, which indicated that this catalyst most likely contained a significantly greater amount of more highly dispersed/higher surface area Pd than the other catalysts investigated which is also supported by CO pulse chemisorption results. XPS results supported the presence of Pd(0) which is stabilized by a heteropoly acid framework, and TEM and CO chemisorption results illuminated the fact that the well dispersed and smaller palladium cluster is one of the crucial factors for the better activity of PdMPAV2/Al2O3. The effects of the variation of temperature, pressure, time and catalyst concentration were investigated for the best performing catalyst (PdMPAV2/Al2O3).

Sustainable Energy & Fuels published new progress about Chemisorption. 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, Recommanded Product: (Tetrahydrofuran-2-yl)methanol.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Ramos, Ruben; Peixoto, Andreia F.; Arias-Serrano, Blanca I.; Soares, O. Salome G. P.; Pereira, Manuel F. R.; Kubicka, David; Freire, Cristina published the artcile< Catalytic Transfer Hydrogenation of Furfural over Co3O4-Al2O3 Hydrotalcite-derived Catalyst>, SDS of cas: 97-99-4, the main research area is transfer hydrogenation furfural cobalt alumina hydrotalcite catalyst.

The hydrogenation of furfural by catalytic hydrogen transfer to produce furfuryl alc. has been investigated over a series of mixed oxides derived from hydrotalcite catalysts. Three different catalysts containing Ni, Co and Zn phases on an Al-rich amorphous support were synthesized and characterized. The catalytic performances were evaluated in a batch stirred reactor using 2-propanol as a solvent and hydrogen donor, with Co3O4-Al2O3 showing the highest activity and selectivity to FA (74% yield; 97% selectivity). The effects of temperature (T=120-180°C) and reaction time (t=30 min-24 h) were also studied, reaching a FA maximum yield of 92% at 150°C after 24 h. The Co3O4-Al2O3 catalyst showed a loss of activity after the first run, which can be easily restored by a simple calcination treatment. The results establish a catalytic route to produce valuable furfuryl alc. over 3d-transition metal-based catalysts without any external hydrogen supply.

ChemCatChem published new progress about Biomass. 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, SDS of cas: 97-99-4.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Taylor, Martin J.; Beaumont, Simon K.; Islam, Mohammed J.; Tsatsos, Sotirios; Parlett, Christopher A. M.; Issacs, Mark A.; Kyriakou, Georgios published the artcile< Atom efficient PtCu bimetallic catalysts and ultra dilute alloys for the selective hydrogenation of furfural>, Reference of 97-99-4, the main research area is atom PtCu bimetallic catalyst dilute alloy hydrogenation furfural.

A range of Pt:Cu bimetallic nanoparticles were investigated for the liquid-phase selective hydrogenation of furfural, an important platform biomass feedstock. Alloying of the two metals had a profound effect on the overall catalytic activity, providing superior rates of reaction and achieving the needed high selectivity towards furfuryl alc. Furthermore, we investigated the catalytic activity of an Ultra Dilute Alloy (UDA) formed via the galvanic replacement of Cu atoms by Pt atoms on dispersed host Cu nanoparticles (at. ratio Pt:Cu 1:20). This UDA, after overcoming an induction period, exhibits exceptionally high initial rates of hydrogenation under modest hydrogen pressures of 10 and 20 bar, rivalling the catalytic turnover for the monometallic Pt (containing 12 times more Pt), and outdoing the pure Cu or other compositions of bimetallic nanoparticle alloy catalysts. These atom efficient catalysts are ideal candidates for the valorization of furfural due to their activity and vastly greater economic viability.

Applied Catalysis, B: Environmental published new progress about Hydrogenation catalysts. 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, Reference of 97-99-4.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Byun, Mi Yeon; Lee, Man Sig published the artcile< Pt supported on hierarchical porous carbon for furfural hydrogenation>, HPLC of Formula: 97-99-4, the main research area is furfural hydrogenation hierarchical porous carbon platinum catalyst.

Hierarchical porous carbon (HPC) was prepared using colloidal silica of different sizes as a template, and used as a support for Pt nanoparticles. The Pt dispersion varied with the pore size and structure of the HPC supports. However, the measured Pt dispersions (70%-76%) suggested that this characteristic was not affected by the pore size distribution above a certain size. The activities of the prepared Pt/HPC catalysts for furfural hydrogenation were then investigated. The HPC supports with large pores allowed for greater contact between the Pt nanoparticles and reactants due to the high mass transfer rate, resulting in the highest furfural conversion and 1-pentanol selectivity. In contrast, the HPC supports with small pores exhibited higher furfuryl alc. selectivities. The effect of the solvent on furfural hydrogenation was also investigated, and it was found that the solubility of H2 in the solvent affected the furfural conversion and product selectivity.

Journal of Industrial and Engineering Chemistry (Amsterdam, Netherlands) published new progress about Catalyst supports. 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, HPLC of Formula: 97-99-4.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Popov, Yu. V.; Mokhov, V. M.; Nebykov, D. N.; Shirkhanyan, P. M.; Gendler, T. A.; Shemet, V. V. published the artcile< Colloidal and Nanosized Catalysts in Organic Synthesis: XXIV. Study of Hydrogenation of Furan and Its Derivatives in the Presence of MgO-Supported Nickel and Cobalt Nanoparticles>, Category: tetrahydrofurans, the main research area is furan hydrogenation nickel nanocatalyst plug flow reactor.

The processes of hydrogenation of furan and its derivatives (2-methylfuran, furfuryl alc., and furfural) in plug-flow type reactor under atm. hydrogen pressure at 20-220°C in the presence of supported nickel nanoparticles prepared via chem. reduction have been investigated. It has been found that nickel nanoparticles supported on magnesium oxide surface are the most reactive and stable under the considered conditions. This catalyst allows the corresponding hydrogenation products with 100% yield and complete conversion of the substrate.

Russian Journal of General Chemistry published new progress about Furans Role: RCT (Reactant), RACT (Reactant or Reagent). 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, Category: tetrahydrofurans.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Salnikova, Ksenia E.; Larichev, Yurii V.; Sulman, Esther M.; Bykov, Alexey V.; Sidorov, Alexander I.; Demidenko, Galina N.; Sulman, Mikhail G.; Bronstein, Lyudmila M.; Matveeva, Valentina G. published the artcile< Selective Hydrogenation of Biomass-Derived Furfural: Enhanced Catalytic Performance of Pd-Cu Alloy Nanoparticles in Porous Polymer>, Application of C5H10O2, the main research area is biomass derived furfural hydrogenation palladium copper nanoparticle polymer catalyst; Pd−Cu alloys; furfural; hydrogenation; hypercrosslinked polystyrene; nanostructures.

Here, the development of a new catalyst is reported for the selective furfural (FF) hydrogenation to furfuryl alc. (FA) based on about 7 nm sized Pd-Cu alloy nanoparticles (NPs) formed in inexpensive, com. available micro/mesoporous hypercrosslinked polystyrene (HPS). A comparison of the catalytic properties of as-synthesized and reduced (denoted “”r””) catalysts as well as Pd-Cu alloy and monometallic palladium NPs showed a considerable enhancement of the catalytic performance of Pd-Cu/HPS-r compared to other catalysts studied, resulting in about 100% FF conversion, 95.2% selectivity for FA and a TOF of 1209 h-1. This was attributed to the enrichment of the NP surface with copper atoms, disrupting the furan ring adsorption, and to the presence of both zerovalent and cationic palladium and copper species, resulting in optimal hydrogen and FF adsorption. These factors along with exceptional stability of the catalyst in ten consecutive catalytic cycles make it highly promising in practical applications.

ChemPlusChem published new progress about Adsorption. 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, Application of C5H10O2.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem

Xu, Jiamin; Cui, Qianqian; Xue, Teng; Guan, Yejun; Wu, Peng published the artcile< Total Hydrogenation of Furfural under Mild Conditions over a Durable Ni/TiO2-SiO2 Catalyst with Amorphous TiO2 Species>, Reference of 97-99-4, the main research area is total hydrogenation furfural mild condition durable nickel titania silica.

One-step total hydrogenation of furfural (FAL) toward tetrahydrofurfuryl alc. in continuous flow using cheap transition metals still remains a great challenge. We herein reported the total hydrogenation of FAL over Ni (~5 nm) nanoparticles loaded on TiO2-SiO2 composites with long-term stability. The TiO2-SiO2 composites comprise amorphous TiOx which was grafted on the silica aerogel by acetyl acetone-aided controlled hydrolysis of tetra-Bu titanate. The catalysts were characterized by several techniques including Brunauer-Emmett-Teller, X-ray diffraction, transmission electron microscopy, H2-temperature-programmed reduction, and H2-temperature-programmed desorption. The hydrogenation performances were systematically explored in terms of TiO2 content, Ni loading, liquid hour space velocity, and so forth. Ni nanoparticles in contact with amorphous TiOx showed strengthened interaction with the C=O bond of FAL as well as enhanced hydrogen dissociation and desorption ability, hence benefiting the overall hydrogenation process.

ACS Omega published new progress about Adsorption. 97-99-4 belongs to class tetrahydrofurans, and the molecular formula is C5H10O2, Reference of 97-99-4.

Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem