N-Acryloyl morpholine, NAM, was grafted onto chitosan utilizing homogeneous conditions with 1% acetic acid as the solvent, and potassium persulfate and sodium sulfite as the redox initiator. The effects of various reaction parameters, such as time, temperature, and monomer and initiator concentr...

Recently, sulfur dioxide (SO2) fluorescent detection and bioimaging become popular because the fluorescent probes field development and the importance of sulfur dioxide in biological systems. The development of high selectivity and high effient detection sulfur dioxide in biosystem is still a ch...

There is a reversible reaction (sec-butyl acetate + water ⇔ sec-butyl alcohol + acetic acid) catalyzed by acetic acid in the quaternary system water + sec-butyl alcohol + sec-butyl acetate + acetic acid. In this work, the liquid-liquid equilibrium (LLE) data for this quaternary system were deter...

Isobaric vapor–liquid equilibrium (VLE) data were measured for the binary systems sec-butyl alcohol + dimethyl sulfoxide (DMSO), sec-butyl acetate + DMSO and the ternary system sec-butyl alcohol + sec-butyl acetate + DMSO at 101.3 kPa using a vapor–liquid equilibrium still. The thermodynamic c...

Isobaric vapor–liquid equilibrium (VLE) data for the quaternary system sec-butyl alcohol + sec-butyl acetate + N, N-dimethyl formamide (DMF) + dimethyl sulfoxide (DMSO) and the constituent binary system DMF + DMSO were determined at 101.3 kPa with a modified Othmer still. The measured experimen...

Three kinds of imidazolide basic ionic liquids were prepared and employed as efficient catalysts for the synthesis of sec-butanol from the transesterification of sec-butyl acetate and methanol. The effect of anions and cations of basic ionic liquids on the catalytic activity were explored, and t...

Quaternary Cu/B/Ca/Al2O3 catalyst extrudates were prepared and optimized for hydrogenation of sec-butyl acetate (SBA) to 2-butanol and ethanol. The rationally designed catalyst with a B/Cu molar ratio of 3/1 exhibited an extraordinary resistance to Cu sintering during the reaction over 1000 h, d...

Isobaric vapor–liquid equilibrium (VLE) for the binary system N, N-dimethyl formamide (DMF) + N, N-dimethyl acetamide (DMAC) and the quaternary system sec-butyl alcohol (SBA) + sec-butyl acetate (SBAC) + DMF + DMAC were determined at 101.3 kPa using a vapor–liquid equilibrium still. The thermo...

Isobaric vapor–liquid equilibrium (VLE) data were determined for the binary systems sec-butyl alcohol + N,N-dimethyl formamide (DMF), sec-butyl acetate + DMF and the ternary system sec-butyl alcohol + sec-butyl acetate + DMF at 101.3 kPa using a vapor–liquid equilibrium still. The thermodynami...

Isobaric vapor–liquid equilibrium (VLE) data were measured for the binary systems sec-butyl alcohol + N,N-dimethyl acetamide (DMAC), sec-butyl acetate + DMAC and the ternary system sec-butyl alcohol + sec-butyl acetate + DMAC at 101.3 kPa using a vapor–liquid equilibrium still. The thermodynam...

Isobaric vapour-liquid equilibrium (VLE) data for the binary system of {N, N-dimethyl acetamide (DMAC) + dimethyl sulfoxide (DMSO)} and the quaternary system of {sec-butyl acetate (SBAC) + sec-butyl alcohol (SBA) + DMAC + DMSO} were measured at 101.3 kPa using a modified Othmer still. The thermo...

The efficient oxidation of alcohols remains a challenge, especially when using solid heterogeneous catalysts. Herein, the catalytic activity of mechanochemically prepared iron and palladium particles on various supports are compared for the oxidation of cinnamyl alcohol to cinnamaldehyde and ben...

In this work, hierarchical ZSM-5 zeolites featured by different Si/Al ratio and mesoporosity were prepared via soft template. The hierarchical zeolites supported iron catalysts were prepared by incipient impregnation and their properties were studied by XRD, XRF, BET, SEM, TEM and NH3-TPD. The r...

A series of porphyrin type catalysts with the metal active sites of Fe were prepared and investigated in aerobic oxidation of biomass-based furfural to maleic acid (MAD) in aqueous phase. The catalytic performance of meso-tetrakis(4-bromophenyl)porphyrin iron (III) chloride (FeT(p-Br)PPCl) immob...

In this paper twelve TiO2:Fe powders prepared by sol–gel method were analyzed being into consideration the kind of iron compound applied. As a precursor titanium (IV) isopropoxide (TIPO) was used, while as source of iron Fe(NO3)3 or FeCl3 were tested. Fe doped TiO2 was obtained using two method...

The goal of the work is to verify which properties of TiO2-based materials, influenced by small amounts of Fe, Co, Ga, Bi, W, Mo, V and Ni species used as modifiers, play the predominant role in changing the photoactivity of TiO2. Two groups of materials were studied: TiO2 synthesized in the pre...

The present work deals with synthesis of Fe (III) doped TiO2 catalyst using the ultrasound assisted approach and conventional sol-gel approach with an objective of establishing the process intensification benefits. Effect of operating parameters such as Fe doping, type of solvent, solvent to pre...

The formation of a new hybrid material based on titanium dioxide as inorganic support and containing an iron organochelator (ICL670) is described. An organophosphorous coupling agent was used to graft the organic molecule on the oxide surface. The attachment of the organic substrate was well-con...

Herein a simple approach is proposed to greatly improve the photocatalytic performance of a porphyrinic metal organic framework (PCN-224) by implantation of coordinatively unsaturated Fe(III) sites into the porphyrin unit. Taking the photooxidation of isopropanol (IPA) as a model reaction, the n...

Powders of porous titanium dioxide doped with iron (III) ions having several iron contents were synthesized, and an ilmenite as source of iron and titanium was used. The synthesis was directly performed starting from a natural ilmenite under conditions (temperature and acid concentrations) softe...