A comparative study of dispersed catalysts obtained in-situ on the based of Mo and Fe-Co in the process of catalytic steam cracking of vacuum residue in the slurry-reactor was conducted (water : vacuum residue = 0,1 : 1 ratio, temperature – 450 °C, pressure – 2,0 MPa, feed rate – 0.1 kg/h). Samples of the semisynthetic oil were obtained and characterized. In the rectification process the gasoline, diesel, oil and residual fractions were allocated. A complex of physicоchemical methods was applied to the analysis of light and dark petroleum products. Based on the obtained data the performance properties of the studied fractions were compared. The relationship between the redistribution of components within the fractions and the catalytic properties of dispersed catalysts was established. The efficiency of using Fe-Co catalysts to produce semisynthetic oil with an increased content of light fractions in the process of catalytic steam cracking of vacuum residue is shown

Al применяется в качестве легирующего материала (лигатура АМТ ТУ-48-4-366) при вакуумно-дуговой выплавке титановых сплавов конструкционного назначения. Такой лигатурный сплав получают методом внепечного алюминотермического восстановления смеси оксидов молибдена и титана. Процесс его выплавки протекает при температуре выше 2500 °С, а кристаллизацияв медной изложнице при высоких скоростях ох

In this paper the influence of dispersed catalysts obtained in situ based on various metals (Mo, Ni, Fe, Co) has been studied on the yield and properties of liquid products in a slurry-reactorat a temperature of 425 °С and a pressure of 20 MPa. The most active catalytic compositions for the process of catalytic steam cracking of oil (Mo and Mo-Fe) were selected. In the presence of dispersed Mo and Mo-Fe catalysts the samples of the semisynthetic oils were produced. In the rectification process the gasoline, diesel, oil and residual fractions were allocated. The selected fractions were analyzed by physicochemical methods for a wide range of performance in comparison with the initial heavy oil. The efficiency of Mo-Fe catalysts for obtaining semisynthetic oil with an increased content of light fractions (i.b.p. – 360 °С) during the catalytic steam cracking of heavy oil was shown