Determination of toxic elements in the ecological evaluation of metalliferous deposits of heavy oil and natural bitumens
Elements such as vanadium, nickel, zinc, arsenic, selenium, and mercury are present in highly toxic compounds in many workable deposits of heavy oil and natural bitumens. Refining this raw material and, especially, using the heavy residues as furnace fuel and as binding material for road paving, can lead to contamination of the environment unless measures are taken to remove the metals. Various investigations of the rare and disseminated elements in heavy oil and natural bitumens have encompassed a broad range of problems: (1) In refining, assessing the role of rare elements in technological processes in order to choose the optimal schemes for refining and improving the quality of petroleum products. (2) In protecting the environment and, in particular, identifying toxic compounds in fuel oils which, when burned at power stations, emit a substantial number of harmful substances into the atmosphere. (3) In determining commercial by-products, such as vanadium and nickel, in the petroleum and bitumen raw material.
- OSTI ID:
- 229650
- Report Number(s):
- CONF-9502114-Vol.2; TRN: 96:000932-0083
- Resource Relation:
- Conference: 6. UNITAR international conference on heavy crude and tar sands on fueling for a clean and safe environment, Houston, TX (United States), 12-17 Feb 1995; Other Information: PBD: [1995]; Related Information: Is Part Of Heavy crude and tar sands -- Fueling for a clean and safe environment. Proceedings: Volume 2; Meyer, R.F. [ed.]; PB: 733 p.
- Country of Publication:
- United States
- Language:
- English
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