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2014-11-21

Fraser, E., Marenholtz, E., Sobze, J-M., Schoonmaker, A., Mckenzie, M., Smreciu, A., Powter, C.B.

The purpose of this document is to review traditional and alternative systems of seed and nursery stock treatment and delivery for use in oil sands reclamation. Treatment systems are considered those activities conducted prior to delivery to the field site while delivery systems include those...

2014-12-04

Currie, R., Mian, H., Bansal, S., Khan, I.

The purpose of this report is to use a design of experiment (DOE) approach to examine the main factors affecting the determination of methylene blue index (MBI) values for oil sands samples. The methylene blue titration of clays has become a principle tool to assess extraction efficiency of oil...

2012-05-31

Mian, H., Currie, R., Zhao, B.

The purpose of this report is to identify challenges in analyzing naphthenic acids (NAs) associated with oil sands process water (OSPW). Naphthenic acids are present naturally in oil sands bitumen and have the classical formula CnH2n+ZO2. Within this formula n represents the carbon number and Z...

2012-06-21

Valera, E., Powter, C.B.

Environmental requirements for oil sands operations have increased over time and are likely to continue to do so. Oil sands operators are responsible for the costs associated with meeting environmental requirements prescribed by the government. However, the province’s oil sands royalty regime...

2013-06-20

Naeth, M.A., Wilkinson, S.R., Powter, C.B., Archibald, H.A., Mackenzie, D.D.

LFH salvaged with small amounts of upper horizon mineral soil for land reclamation (hereafter LFH mineral soil mix) has proven to be an important source of seeds and vegetative propagules for forest plant communities. Until recently in Canada, LFH mineral soil mix was not selectively salvaged...

2014-12-08

Mahdavi, H., Hepperle, S., Burkus, Z., Mian, H.

Naphthenic acids (NAs) are considered the main source of chronic and acute toxicity in oil sands process-affected water (OSPW). The purpose of this investigation is to establish elements of a standard procedure to determine and minimize the amount of NA loss during storage, sample preparation...

2013-04-09

Mian, H., Mukherjee, A., Fair, A., Fassina, N., Powter, C.B.

NAIT-CGCE, NAIT School of Sustainable Building and Environmental Management, and the NAIT JR Shaw School of Business, in collaboration with COSIA, AIEES, and the Oil Sands Research and Information Network (OSRIN), held a technology innovation workshop on March 19, 2013 at the NAIT campus to open...

2013-02-13

Vinge, T., Powter, C.B., Pyper, M.P.

Ecological resilience, first defined by Holling in 1973, can be broadly described as the capacity of an ecosystem to respond to a perturbation or disturbance by resisting damage and recovering quickly, but other authors have provided variations on this theme since 1973. Ecological resilience is...