Lime coagulation and stabilization of total oil sands tailings
The first step in developing a solution to the sludge disposal problem for oil sands tailings is to identify the parameters which are significant to the behavior of clay particles in water and to their separation from it. Several of the most critical properties of oil sands clay sludge particles are identified and discussed. A knowledge of these properties illustrates why many schemes which have been tried have failed or are very expensive. The same properties point the way to several methods of alleviating the problem by chemically modifying the clay properties and improving the separation efficiency by using the sand to offset the separation problems of the clay fines. Parallels from solutions developed for other worldwide mining waste slimes and sludge disposal situations are examined for suggestions on how oil sands tailings can be handled. 10 references.
- OSTI ID:
- 6141594
- Journal Information:
- Annual CIM Petroleum Society; (), Vol. 83-34-33; Conference: 34. annual CIM Petroleum Society and Canada Associated drilling engineering tech. mtg., Banff, Canada, 10-13 May 1983
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
OIL SAND TAILINGS
WASTE DISPOSAL
SLUDGES
FLOCCULATION
SEPARATION PROCESSES
CLAYS
LIMING
OIL SANDS
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
ENERGY SOURCES
FOSSIL FUELS
FUELS
MANAGEMENT
MATERIALS
PRECIPITATION
SOLID WASTES
TAILINGS
WASTE MANAGEMENT
WASTES
040900* - Oil Shales & Tar Sands- Waste management