EVALUATION OF THE POSSIBILITY OF THE PRODUCTION A SOLVENT WITH A LOW CONTENT OF AROMATIC HYDROCARBONS IN JSC «ANHK»

. In connection with the emerging demand for gasoline solvent with a low content of aromatic hydrocarbons we carrier out the analysis of intermediate products obtained in JSC " ANHK " suitable for the producing of the solvent. The most suitable for the separation of the fraction are gaso line fractions producing from the hydrogenation product of the hydrocracking of light vacuum gas oil and the hydrogenation product of high conversion hydrogenation of the heavy middle distillate frac tions. We performed work on the recovery of a narrow fraction of gasoline solvent and its tests for compliance with the requirements.

A sustainable synthetic route for biobased 6-hydroxyhexanoic acid, adipic acid and ε-caprolactone by integrating bio- and chemical catalysis

A green synthetic route and possible utilization of biobased 6-carbon polymer building blocks 6-hydroxyhexanoic acid, adipic acid and ε-caprolactone from biomass via 1,6-hexanediol, a hydrogenation product of biobased 5-hydroxymethylfurfural.

Effective Hydrogenation of p-Chloronitrobenzene over Iridium Nanoparticles Entrapped in Aluminum Oxy-Hydroxide under Mild Conditions

The Ir/AlO(OH) catalyst was prepared by sol-gel method and used for selective hydrogenation of p-chloronitrobenzene (p-CNB) to p-chloroniamine (p-CAN). The mechanism of p-CNB hydrogenation over the catalyst was discussed. The hydrogen bond between the surface hydroxyl groups of the catalyst and the nitrogen present in p-CNB facilitated the hydrogenation of nitro group. On the other hand, the formation of hydrogen bond between the hydrogenation product and water promotes the rapid desorption of the hydrogenation product on the surface of the catalyst. Thus the activity and selectivity were greatly promoted.

Hydrocracking of Di(1-Naphthyl)methane over Acid Solid Catalyst

As a model reaction for coal liquefaction, the hydrocraking of di(1-naphthyl)methane (DNM) was investigated using acid solid catalyst (ASC) under different reaction conditions. The results show that acid solid catalyst selectively catalyzes DNM hydrocraking to give 1-methylnaphthalene and naphthalene, without hydrogenation product. The rate of DNM hydrocraking strongly depended on reaction temperature, reaction time and the catalyst feed, whereas effect of hydrogen pressure was not serious. The effects of acid solid catalyst is to make Car-Calk bond cleavage.

THE STEREOCHEMISTRY EFFECT OF EUGENOL, CIS-ISOEUGENOL AND TRANS-ISOEUGENOL ON THEIR CATALYTIC HIDROGENATION

The stereochemistry effect of eugenol, cis-isoeugenol and trans-isoeugenol on their catalytic hydrogenation by Ni/g-Al2O3 catalyst was investigated. In this investigation, the catalyst is prepared by impregnation of Nickel into solid of γ-Al2O3 in methanol as a solvent. The calcination process, which is followed by reduction, is performed on Muchalal reactor at 400 oC. After that, the catalytic hydrogenation is carried out under hydrogen gas atmosphere by mixing 10 mL sample and 0.5 g Ni/g-Al2O3 catalyst at 200 oC for 3 hours. The stereochemistry effect of reactants is evaluated by computer modelling using PM3 semiempirical methods. The mass spectrum of catalytic hydrogenation product from those compounds shows a molecular ion at m/z 164, which proves the existence of 2 -methoxy-4-propylphenol. The eugenol gives the highest conversion (99%), followed by cis-isoeugenol (81%) and trans-isoeugenol (67%). It was found that there is a correlation between the stereochemistry of those compounds and catalytic reactivity. Keywords: stereochemistry effects, 2-methoxy-4-propylphenol