Results 161 to 170 of about 68,877 (274)

Solvent extraction process for recovering bitumen from tar sand

open access: yes, 1987
patentBitumen recovered from tar sand by direct solvent extraction followed by washing of the sand tailings with countercurrent solvent flow and a solvent/aqueous phase separation step to recover solvent and residual ...
Hsieh, C. Richard; Clifford, Roger K.
core  

Performance and Interaction Mechanisms of Bitumen Modified with Devulcanized Rubber-Recycled Polymer Composites. [PDF]

open access: yesPolymers (Basel)
Bussurmanova A   +12 more
europepmc   +1 more source

Recovery of heavy crude oil or tar sand oil or bitumen from underground formations

open access: yes, 1989
patentHeavy crude oil or tar sand oil or bitumen is recovered from an underground formation containing the same by introducing into said formation via an injection well or conduit a hot alkaline aqueous fluid so as to bring about the movement or ...
McKay, Alex S.
core  

Development and Field Evaluation of a Sustainable Polymer-Mineral Modified Bitumen Binder for Asphalt Pavements. [PDF]

open access: yesMaterials (Basel)
Kengesbekov A   +5 more
europepmc   +1 more source

Analysis of asphaltenes and maltenes before and after long-term aging of bitumen

open access: yes, 2021
Xiao-Hu Lu   +3 more
semanticscholar   +1 more source

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