© 2019, Pleiades Publishing, Ltd. Abstract: It has been shown that the hydrothermal–catalytic conversion of solid natural asphaltite of the Spiridonovskoe oilfield (Republic of Tatarstan) at 250°C in the presence of hematite ...

© 2017 Taylor & Francis Group, LLC. This work is devoted to studying the possibility of producing bitumen for road construction by using vacuum residue > 420°C of heavy oil of the Ashal'chinskoe field in and natural ...