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Geotextile Bags for Enhanced Dewatering and Accelerated Consolidation of Oil Sands Mature Fine Tailings
The accumulation of large volumes of mature fine tailings (MFT) has been a major concern for the oil sands industry for decades. There are significant challenges involved in the conversion of MFT into trafficable deposits within a reasonable timeframe in order to facilitate reclamation. This paper presents the results of a laboratory pilot experimental study that was carried out to evaluate the use of geotextile bags as a potential technology to enhance dewatering and accelerate consolidation of MFT. The success of tailings disposal in geotextile bags requires prior physicochemical treatment of the MFT by combining coagulation and flocculation. The use of geotextile bags as a dewatering aid significantly decreases the time it takes to remove water from the treated MFT, which can be recycled as process water in the extraction plant. This technology allows geotechnically stable thick layer deposits by simply stacking the bags.
Geotextile Bags for Enhanced Dewatering and Accelerated Consolidation of Oil Sands Mature Fine Tailings
The accumulation of large volumes of mature fine tailings (MFT) has been a major concern for the oil sands industry for decades. There are significant challenges involved in the conversion of MFT into trafficable deposits within a reasonable timeframe in order to facilitate reclamation. This paper presents the results of a laboratory pilot experimental study that was carried out to evaluate the use of geotextile bags as a potential technology to enhance dewatering and accelerate consolidation of MFT. The success of tailings disposal in geotextile bags requires prior physicochemical treatment of the MFT by combining coagulation and flocculation. The use of geotextile bags as a dewatering aid significantly decreases the time it takes to remove water from the treated MFT, which can be recycled as process water in the extraction plant. This technology allows geotechnically stable thick layer deposits by simply stacking the bags.
Geotextile Bags for Enhanced Dewatering and Accelerated Consolidation of Oil Sands Mature Fine Tailings
Silva, Fernando Da (author) / Thompson, Adam (author) / Scott, J. Don (author) / Wilson, G. Ward (author)
Geosynthetics, Geosynthetics Conference, 2015 ; 1130-1139
2015
10 Seiten, Bilder, Tabellen, Quellen
Conference paper
Storage medium
English
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