Abstract
Heavy oil is considered as a multipurpose complex mineral, and the processing of heavy oils as a “complex problem”, aimed both at increasing the yield of light fractions and “transport” ability of oil, and at extracting metals from heavy asphaltene resinous fraction. The recovery of heavy metals (such as vanadium, nickel, titanium, iron, etc.) from heavy oil was performed by cavitation extraction technology with the use of light hydrocarbon solvents and chemical extractants, including a stage of extraction in an ultrasonic field with separation of insoluble fraction of asphaltenes in which a significant part of initial heavy metals and sulfur is concentrated, followed by re-extraction of metals and magnetic separation of metal aggregates.
Highlights
The problem of the depletion of traditional deposits of liquid and solid extractable resources has resulted in the necessity for search and implementation of new technologies for their complex processing
The Yaregskiy oil was selected to study the possibility of extracting heavy metals from heavy oil
·s at an initial temperature of 8 ◦ C), low-sulfur and low-paraffin, and a significant amount of heavy metals, e.g., vanadium, nickel, iron, titanium, noble and it contains a significant amount of heavy metals, e.g., vanadium, nickel, iron, titanium, rare-earth
Summary
The problem of the depletion of traditional deposits of liquid and solid extractable resources has resulted in the necessity for search and implementation of new technologies for their complex processing The adoption of such technologies will count for a great deal for both the environment and the economy in terms of the principles of sustainable development [1,2,3,4,5]. Apart from coal and hydrogen, this oil contains a wide range of different chemical elements, including various metals (vanadium (V), nickel (Ni), titanium (Ti), gold (Au), chromium (Cr), manganese (Mn), iron (Fe), etc.) [6,7,8,9,10,11]. Each ton of heavy oil of Athabasca oil sands (Canada) contains 250 g of vanadium, 100 g of nickel [8].
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