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Oil Sands Environmental Management Bibliography

The Cumulative Environmental Management Association (CEMA)partnered with the Oil Sands Research and Information Network (OSRIN) to create the new Oil Sands Environmental Management Bibliography, which includes documents relevant to the environmental management of oil sands development in Alberta. The majority of the documents focus on the mineable oil sands in the Athabasca deposit, though some documents relate to in-situ developments. This bibliography was last updated in November 2014.

Proceedings of the Northern River Basins Study instream flow needs workshop October 14-15, 1993 and January 6-7, 1994

Authors Walder, G. L.
Year of Publication: 1996

Abstract:
The need to address instream flow needs (IFN) in the Northern River Basins Study arises primarily from issues related to flow regulation on the Peace River. Flow regulation may have effects on fish habitats and has clearly affected riparian habitats in the study area. This report presents proceedings of a workshop held to review methods and approaches for conducting IFN analyses, to consider their applicability to the northern river basins, and to develop recommendations for undertaking IFN investigations as part of the Study. The workshop included two sessions, one on IFN related to fisheries and aquatic habitats and one on IFN related to riparian and delta habitats. Topics of presentations and papers include river hydrology, water quality considerations, vegetation studies, instream flow assessment, winter habitat, implications of river impoundment, modelling of wildlife habitat, channel morphology, sediment transport, and wetland vegetation management.

Proceedings: Technical seminar for the Expert Advisory Group to Aquatic Fauna Committee AOSERP

Authors Wallace, R. R.
Year of Publication: 1975

Abstract:
Oil Sands Environmental Study Group realized that one of the better ways to create an atmosphere in which the industrial and environmental research worker could engage in constructive dialogue would be the provision of as much technical information as time would permit. We have learned from previous disagreements that the main obstacle to mutual appreciation and understanding resides in an insufficient appreciation of the technical aspects of oil sands resource extraction technology and development on the environmental side, and a lack of comprehension of desirable environmental protection objectives on the industrial side. You may place this seminar in the larger context of our belief that through provision of adequate technical information, industry can assist environmental researchers in the identification of the environmental problems attending oil sands development that require resolution.

Proceedings: Workshop on native shrubs in reclamation

Year of Publication: 1979

Abstract:
The workshop recorded in these proceedings was organized by the Alberta Reclamation Research Technical Advisory Committee as the first step in developing a Native Shrub Research Program for reclamation. While the importance of a detailed literature survey was recognized and is presently underway; the Committee also understood that a great deal of valuable information was of a practical nature and was not recorded in the literature. The workshop provided a forum for the exchange of information and experiences on three major topics: propagation, outplanting and species section. The discussions were very productive in helping the Committee identify areas for future research and those areas where sufficient knowledge already exists.

Process assessment of wetland reclamation criteria and indicator frameworks for surface mines

Authors Poscente, M.
Year of Publication: 2011

Abstract:
This document contains a review and evaluation of the legislation and policy for reclamation criteria in Nova Scotia, Michigan, Florida and Alberta.

Process water treatment in Canada's oil sands industry: I. Target pollutants and treatment objectives

Authors Allen, E. W.
Year of Publication: 2008

Abstract:
Process water treatment has become a critical issue for Canada’s oil sands industry. Continuous recycling of tailings pond water (TPW) has contributed to a decline in water quality that has consequences for bitumen recovery, water consumption, and reclamation efforts. Potential roles for water treatment were assessed through a review of process water quality and toxicity data from two long-term oil sands operations. Target pollutants were identified according to exceedances of environmental and industrial water quality guidelines. From 1980 to 2001, the salinity of TPW increased at a rate of 75 mg/L per year. Recent increases in hardness, sulphate, chloride, and ammonia have raised concerns over scaling and corrosion. Naphthenic acids released during bitumen extraction are the primary source of toxicity in TPW. Biodegradation of naphthenic acids has been demonstrated in pond experiments; however, recalcitrant compounds may contribute to chronic toxicity in reclaimed environments. Water treatment objectives established in this review provide benchmarks for the selection of candidate water treatment technologies.

Process water treatment in Canada's oil sands industry: II. A review of emerging technologies

Authors Allen, E. W.
Year of Publication: 2008

Abstract:
Canada’s oil sands industry uses large volumes of freshwater to extract bitumen from surface-mined ore. With oil production expected to increase 3-fold over the next decade, process water treatment has become a critical issue for oil sands operators, both in terms of sustaining bitumen recovery and protecting freshwater resources. To identify candidate treatment technologies, a review was conducted on the state-of-the-art of water treatment in the oil industry. Significant developments include (i) chemical modifications to adsorbents and membranes to improve pollutant removal and reduce fouling; (ii) hybridization of adsorbent, membrane, and bioreactor technologies to enhance the biological treatment of toxic feedwaters; (iii) advances in photocatalytic oxidation of organic compounds; and (iv) implementation of large-scale treatment wetlands to treat hydrocarbon-contaminated wastewaters. In adapting treatment technologies to the oil sands, operators will need to consider the fouling potential of bitumen and fine clays, the effect of process water alkalinity on treatment performance, and the biodegradability of toxic organic compounds.

Processes for retrenching logics: The Alberta oil sands case 2008-2011

Year of Publication: 2013

Abstract:
Why do significant cultural anomalies frequently fail to generate change in institutional logics? Current process models offer a number of direct ways to enable the creation and diffusion of ideas and practices, but the resistance to adoption and diffusion, something so emphasized by the old institutionalism, has not been incorporated as directly in those models in a way that allows us to answer this question. Therefore, we theorize three retrenchment processes that impede innovation: cultural positioning, behavioral resistance, and feedback shaping. The ways in which these processes work are detailed in a case study of one high profile cultural anomaly: oil production and environmental management in Alberta’s oil sands from 2008 to 2011. Implications for the institutional logics perspective and understanding logics in action are discussed.

Processing Athabasca tar sands - tailings disposal

Authors Camp, F. W.
Year of Publication: 1976

Abstract:
Public awareness and concern over the tailings disposal aspects of tar sand development are increasing. This paper describes why the hot water extraction process can lead to an accumulation of tailings sludge. A theory is proposed to predict tailings accumulation rate; predictions are compared with GCOS' operating experience. Using this theory, future projects can be evaluated on their merits without extrapolating GCOS' experience, which may or may not be applicable. Several unsuccessful approaches to reducing sludge accumulation are described to encourage others to seek new approaches.

Processing of 13C glucose in mineral soil from aspen spruce and novel ecosystems in the Athabasca oil sands region

Year of Publication: 2013

Abstract:
Microbial composition is known, on similar soil types, to vary based on differing organic matter inputs, or stand composition. Fine-textured luvisolic soils, which dominate the upland boreal forests of Western Canada, support a canopy cover of aspen (Populus tremuloides Michx.), white spruce (Picea glauca (Moench) Voss) or a mixture of the two. These soils then reflect different belowground biogeochemical processing of organic matter. Novel, anthropogenic soils formed from a combination of peat litter and fine textured mineral soil, are now also a part of the landscape in the western boreal. This study set out to determine if a simple labeled compound (13 C glucose) was processed differently by soils from the two dominant stand types (aspen and spruce) and from an anthropogenic (newly reclaimed) site. Results indicate that while all three soils rapidly incorporated and respired the labeled carbon, each maintained a distinct microbial community structure (as evidenced by phospholipid fatty acid analysis) throughout the 300 hour experiment. Therefore soils with different microbial communities from varied organic matter inputs decompose organic carbon by different processes, even in the case of simple labile compounds.

Production scheduling and waste disposal planning for oil sands mining using goal programming

Year of Publication: 2012

Abstract:
In oil sands mining, timely provisions of ore and tailings containment with less environmental footprints are the main drivers of profitability and sustainability. The recent Alberta Energy Resources Conservation Board Directive 074 requires oil sands waste disposal planning to be an integral part of mine planning. This requires the development of a well integrated strategy of directional mining and tailings dyke construction for in-pit and ex-pit tailings storage management. The objectives of this paper are to: 1) determine the order and time of extraction of ore, dyke material and waste that maximizes the net present value; 2) determine the destination of dyke material that minimizes construction cost; and 3) minimize deviations from the production goals of the mining operation. We have developed, implemented, and verified a theoretical optimization framework based on mixed integer linear goal programming (MILGP) to address these objectives. This study presents an integration of mixed integer linear programming and goal programming in solving large scale mine planning optimization problems using clustering and pushback techniques. Application of the MILGP model was presented with an oil sands mining case. The MILGP model generated a smooth and uniform mining schedule that generates value and provides a robust framework for effective waste disposal planning. The results show that mining progresses with an ore to waste ratio of 1:1.5 throughout the mine life, generating an overall net present value of $14,237M. This approach improves the sustainable development of oil sands through better waste management.

Productivity and carbon accumulation potential of transferred biofilms in reclaimed oil sands-affected wetlands

Year of Publication: 2011

Abstract:
Biofilms are significant contributors to primary production, nutrient cycling, bio-stabilization and the food web of wetland ecosystems. Photoautotrophic biomass (PB) and primary production (PP) were determined for biofilms exposed to various treatments and materials in wetlands near Fort McMurray. Biofilm additions and oil sands process-affected materials were expected to increase the microbial colonization rates on treated substrates and subsequently PB and PP of biofilms over time as compared to controls and unaffected materials. Biofilms survived the transfers and colonized new substrates immediately. Oil sands process affected materials were found to increase PB and PP throughout the first year. A strong decreasing trend for both PB and PP in treatment microcosms occurred in year two, eventually coalescing with control conditions at a lower equilibrium. Transferred biofilms and treatment materials, therefore, increased overall wetland productivity during the initial stages of wetland development when growing conditions are most limiting.

Productivity of Chironomid larvae exposed to oil sands process water: In situ vs. lab bioassay results

Year of Publication: 2011

Abstract:
Productivity of wetland biota is one of the key criteria that the Alberta government uses to determine if land leased to oil sands mining companies is restored. Oil sands process water (OSPW) is enriched to contain potentially toxic concentrations of salts and napthenic acids, compromising its value in wetland reclamation procedures. We determined how Chironomid productivity is affected by the water from oil sands process material (OSPM)‐affected wetlands in 10‐d in situ and laboratory bioassays that used water from three OSPM‐affected wetlands compared to or mixed with water from three reference wetlands of similar age. Parallel studies were conducted with Chironomus riparius lab‐cultured larvae and Chironomus sp larvae cultured from egg masses collected from an OSPW‐affected wetland. In situ, Chironomids were housed in 10 cm (ID) 30 cm tall cylinders with fine‐mesh netting windows that allowed water exchange and contact with the sediment. Production of Chironomids emerging from study wetlands was estimated by collecting exuvia in floating hoop traps and adults alighting on sticky traps. Preliminary results suggest that native and lab cultured Chironomids are not equally sensitive to OSPW.

Professional judgment in mineable oil sands reclamation certification: Workshop summary

Authors Creasey, R.
Year of Publication: 2012

Abstract:
On June 18, 2012, the Oil Sands Research Information Network (OSRIN) convened a workshop to solicit the expert views from about 50 technical specialists from a variety of disciplines representing about 850 years of experience. The workshop, entitled Information That Professionals Would Look for in Mineable Oil Sands Reclamation Certification sought to document the field experience and “common sense” that a seasoned field specialist brings to the reclamation certification decision process. The workshop was coordinated with the Reclamation Working Group (RWG) of the Cumulative Environmental Management Association (CEMA) to provide additional information in support of their Criteria and Indicators Framework project. With some basic information on the hypothetical lands subject to a reclamation certificate application being considered, the groups were given three different scenarios to analyze from the viewpoint of their professional experience and technical knowledge: Session One: You are going to visit a reclaimed oil sands mine site and decide if a reclamation certificate should be issued. You have only your five senses, experience and common sense to guide your decision. • What positive and negative features do you look for? • How confident (%) would you be that your decision is correct (i.e., mean and range)? Session Two: Next, when you go onto the site you can bring one piece of equipment or one tool. • What would you bring? • What additional information will it provide for your assessment of the site? • How much extra time (and time consuming logistics) would it add to your assessment of the site? • Now how confident are you (%) in your assessment decisions (mean and range)? Session Three: Next, in addition to your senses, experience, and the additional equipment you brought, you can ask for a report(s) regarding the site before the field assessment. • What information would you want to see in the report/documents? • Now, how confident are you (%) in your decision (mean and range)? Session Four: For the final session in the workshop, the groups were asked to provide their comments on one of seven questions: 1. What do we need to know about contamination and remediation? 2. What advice can you give CEMA on criteria and the certification process? 3. Do expectations and process needs change depending on the reclamation goal(s)? 4. Do expectations and process needs change depending on when the site was reclaimed (i.e., older sites, currently reclaimed sites, sites reclaimed in the future)? 5. How long do we monitor for before applying for a reclamation certificate? 6. Do expectations and process needs change based on landform type (e.g., dump, tailings pond, Dedicated Disposal Area, plant site)? 7. What disciplines are missing from the discussion today? The original intent of the workshop was to supplement the science-based reclamation certification criteria and indicators being developed by the Reclamation Working Group of the Cumulative Environmental Management Association with the knowledge and experience used by people with significant field experience. Although valuable suggestions about criteria were received, the discussions seemed to focus more on the information needs and process for assessing certification, suggesting the need for a Guide to the Reclamation Certification Process. The workshop also sought to determine how confidence in decision making is affected by the use of field equipment/tools, and the value of background data and reports in increasing confidence. Given the extensive experience of the workshop participants, it was surprising to see how little confidence they had in using only their knowledge and experience to make reclamation certification decisions. Their confidence in making decisions increased somewhat if they were able to bring a piece of equipment into the field with them. If they were able to review a high quality report and supporting data from the site’s historical file prior to going into the field their confidence increased substantially. This confirms the need for the CEMA RWG Criteria and Indicators work and suggests the need for a Guide to Reclamation Certification Application Content.

Profiling oil sands mixtures from industrial developments and natural groundwaters for source identification

Year of Publication: 2014

Abstract:
The objective of this study was to identify chemical components that could distinguish chemical mixtures in oil sands process-affected water (OSPW) that had potentially migrated to groundwater in the oil sands development area of northern Alberta, Canada. In the first part of the study, OSPW samples from two different tailings ponds and a broad range of natural groundwater samples were assessed with historically employed techniques as Level-1 analyses, including geochemistry, total concentrations of naphthenic acids (NAs) and synchronous fluorescence spectroscopy (SFS). While these analyses did not allow for reliable source differentiation, they did identify samples containing significant concentrations of oil sands acid-extractable organics (AEOs). In applying Level-2 profiling analyses using electrospray ionization high resolution mass spectrometry (ESI-HRMS) and comprehensive multidimensional gas chromatography time-of-flight mass spectrometry (GC × GC-TOF/MS) to samples containing appreciable AEO concentrations, differentiation of natural from OSPW sources was apparent through measurements of O2:O4 ion class ratios (ESI-HRMS) and diagnostic ions for two families of suspected monoaromatic acids (GC × GC-TOF/MS). The resemblance between the AEO profiles from OSPW and from 6 groundwater samples adjacent to two tailings ponds implies a common source, supporting the use of these complimentary analyses for source identification. These samples included two of upward flowing groundwater collected <1 m beneath the Athabasca River, suggesting OSPW-affected groundwater is reaching the river system.

Profiling stable isotopes of water signatures to define mass transport mechanisms from water capped fluid fine tailings in the oil sands industry

Year of Publication: 2014

Abstract:
Thirty End Pit Lakes (EPLs) are planned for remediation of open pit oil sands mines in the Athabasca Oil Sands region, however their feasibility as a reclamation feature has yet to be fully evaluated. End Pit Lakes are constructed within mined-out pits and many will contain fluid fine tailings (FFT). The main objectives of these lakes are to: (1) provide an effective means of isolating these soft, consolidating tailings within the closure landscape; (2) passively treat mine site water, including expressed FFT pore water; and (3) support the development of a sustainable biological system. Mass transport processes from the FFT to the overlying lake will have considerable influence on EPL performance. Physical mass transport from the FFT to the lake will occur due to diffusion, but will also be affected by advective transport due to tailings self-weight consolidation. Defining physical mass transport mechanisms and rates through the FFT provides insight on geochemical conditions at the FFT – lake water interface, and offers a better understanding of mass balance in the EPL. Syncrude Canada Ltd. has initiated the first full-scale EPL (Base Mine Lake), and established a monitoring program to characterize the physical, geochemical, and biological processes occurring in this new system. The stable isotopes of water (δ2H and δ18O) signature of oil sands process affected water has been shown to be highly distinct from that of freshwater associated with snow melt or rainfall (Baer, 2014). As a result, the isotope composition of the lake water and FFT pore-water can potentially be used as a conservative tracer for mass transport. Samples were collected every 0.1 m across the FFT – lake water interface (2 m above, to 2 m below), at three locations in Base Mine Lake. Water from each sample was analyzed with a Picarro L-2120-i Cavity Ring Down Spectrometer based on the vapour equilibration technique used by Wassenaar et al. (2008) to determine δ2H and δ18O concentrations. These results were compared to δ2H and δ18O concentrations of the lake at multiple locations, as well as inflow and outflow water. Numerical modelling was used to interpret the measured isotope profiles across the FFT – lake water interface and elucidate mass transport mechanisms from the FFT to the lake water.

Progresive land reclamation as the design and operational basis for the Kearl Oil Sands Mine

Authors Neufeld, L. R.
Year of Publication: 2014

Abstract:
Problem Statement: Development of the oil sands in northeastern Alberta is an important contributor to the economies of both Alberta and Canada, but this type of hydrocarbon resource is often perceived as representing daunting environmental challenges. One area of particular stakeholder focus is the nature of the surface land footprint associated with mineable oil sands developments. Objectives and Scope of Study: This paper will provide the facts and context of progressive reclamation in Canada’s mineable oil sands industry with a focus on the Kearl Oil Sands Mine operated by Imperial Oil Resources Ventures Limited. It will demonstrate how progressive land reclamation has been integrated into the mine planning process for Kearl from the outset of project planning and how the soil, overburden, groundwater, surface water, vegetation and wildlife resources are considered throughout the life of the mine from a reclamation perspective Method: The role of progressive reclamation as the design and operational basis for the Kearl Oil Sands Mine is highlighted. Conclusions: •Up to 21,608 ha of land will be disturbed over 40+ years of operation of the Kearl Oil Sands Mine. Imperial Oil is committed to progressive reclamation of the disturbed land throughout the life of the mine. • As part of Kearl’s long-term vision for reclamation success, Imperial Oil is currently salvaging, segregating and storing soil and collecting and banking native seeds so that these valuable reclamation materials are readily available in the future. • Prior to the start-up of operations of the Kearl Oil Sands Mine in April 2013, over 25 ha of land was permanently reclaimed, 15 million cubic meters of reclamation material was salvaged and seeds from over 30 boreal forest plant species were banked. Applications: This paper will contribute to the ongoing discussion regarding the environmental sustainability of Canada’s mineable oil sands. Innovations or Technical Contributions: Ongoing mine closure planning and integration of progressive reclamation from the outset of the mine planning process has identified opportunities, vulnerabilities and technical constraints to mine closure

Progress report for 1982: Pinus banksiana-dominated permanent plots in the Athabasca oil sands

Year of Publication: 1983

Abstract:
Of the 16 permanent plots established in 1981, four of these, Nos. 1,6,11, and 13 were destroyed by fire shortly after they were surveyed. In 1982, four new plots were established to replace the burned ones. They were selected to represent the same impingement zones as the burned plots. Other criteria used in selecting the new stands were the same as used in the original establishment of the permanent plot array in 1981. The new stands are statistically and subjectively within the range of variation found in Pinus banksiana-dominated forest and woodland growing on light textured soils in the Athabasca Oil Sands area. Comparisons of 1981 and 1982 data reveal no obvious trends in relation to the impingement zones. Differences between the two years could in the main be attributed to the more favorable growing conditions in 1982. Stand No. 16 shows an anomalous bryophyte cover change which may be related to successional change and may point to an area of considerable significance in the interpretation of large or sudden changes in the flora of a community.

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