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Articles 1 - 6 of 6
Full-Text Articles in Physical Sciences and Mathematics
Improving Urban Run-Off Quality Using Iron Oxide Nanoparticles With Magnetic Field, Mehdi Khiadani, Mohammad Mehdi Foroughi, Mohammad Mehdi Amin
Improving Urban Run-Off Quality Using Iron Oxide Nanoparticles With Magnetic Field, Mehdi Khiadani, Mohammad Mehdi Foroughi, Mohammad Mehdi Amin
Research outputs 2013
Run-off from road surfaces is a major source of pollution in the environment. The aim of this study was to investigate the efficiency of nano iron oxide under a magnetic field to improve urban run-off quality. Experiments were conducted in a 50mm diameter column made of Plexiglass in which 20 cm deep stainless steel wool was used as the medium bed. A pair of magnets, each with 0.7 T magnetic charge density, was installed around the column. The particle size of the iron oxide was determined by X-ray diffraction (XRD) analysis. Atomic absorption spectroscopy, spectrophotometer, turbidimeter, and pH meter were …
Evaluating Residential Satisfaction With An Innovative Dual Water Supply System In Water Sensitive Urban Development, Raju S. Dhakal
Evaluating Residential Satisfaction With An Innovative Dual Water Supply System In Water Sensitive Urban Development, Raju S. Dhakal
Theses: Doctorates and Masters
The Australian water industry is facing two major challenges: a rise in water demand due to a growing population and a decrease in rainfall availability due to a drying climate. This situation has triggered a re-evaluation of traditional water schemes and promoted consideration of alternatives for sustainable urban water management. One possibility is to replace drinking water usage in garden and outdoor irrigation with non-potable groundwater. This could save almost half of the water supplied in the residential sector, which is the biggest consumer of scheme water in most Australian cities. A major hurdle for the success of such fit-for-purpose …
Mine Closure Of Pit Lakes As Terminal Sinks: Best Available Practice When Options Are Limited?, Clinton D. Mccullough, G. Marchand, J Unseld
Mine Closure Of Pit Lakes As Terminal Sinks: Best Available Practice When Options Are Limited?, Clinton D. Mccullough, G. Marchand, J Unseld
Research outputs 2013
In an arid climate, pit lake evaporation rates can exceed influx rates, causing the lake to function as a hydraulic terminal sink, with water levels in the pit remaining below surrounding groundwater levels. We present case studies from Western Australia for two mines nearing closure. At the first site, modelling indicates that waste dump covers for the potentially acid forming (PAF) material would not be successful over the long term (1,000 years or more). The second site is a case study where PAF management is limited by the current waste rock dump location and suitable cover materials. Pit lake water …
Removal Of Turbidity From Water By Dissolved Air Flotation And Conventional Sedimentation Systems Using Poly Aluminum Chloride As Coagulant, Mehdi Khiadani, Reza Kolivand, Matin Ahooghalandari, Maral Mohajer
Removal Of Turbidity From Water By Dissolved Air Flotation And Conventional Sedimentation Systems Using Poly Aluminum Chloride As Coagulant, Mehdi Khiadani, Reza Kolivand, Matin Ahooghalandari, Maral Mohajer
Research outputs 2013
Flotation is a method in which particles in liquid phase are transported to the surface by air bubbles. In this experimental study, a comparison has been made between conventional sedimentation and dissolved air flotation (DAF) systems to remove turbidity from water. Initially, optimal operational conditions for each system utilized using water artificially turbid with Kaolin. For each system, samples were taken at 20-min interval after the system reached its optimal operational conditions. Parameters, such as turbidity, alkalinity, temperature, pH, and total suspended solids, were measured. For 20, 30–50 and 90–110 NTU, turbidity average removal efficiencies in DAF system were 14.7, …
The Relationship Between The Meaning Of Water And Sense Of Place : A Grounded Theory Study From Northern Thailand, Katesuda Sitthisuntikul
The Relationship Between The Meaning Of Water And Sense Of Place : A Grounded Theory Study From Northern Thailand, Katesuda Sitthisuntikul
Theses: Doctorates and Masters
The literature suggests that a subtle relationship exists for communities between the meaning of water and sense of place, making fertile ground for systematic investigation. The relationship has obvious importance in today’s world, where people’s reliance on water, and the need for reliable supplies, form part of a common discourse in natural resource management. Yet, there has been much less discussion of what water means to people, how it connects with peoples’ sense of place, and what that might mean for the way people interact with their surroundings. The methodology of constructivist grounded theory was therefore appropriate to investigate this …
Inorganic Hydrogeochemical Responses To Fires In Wetland Sediments On The Swan Coastal Plain, Western Australia, David Blake
Inorganic Hydrogeochemical Responses To Fires In Wetland Sediments On The Swan Coastal Plain, Western Australia, David Blake
Theses: Doctorates and Masters
In the past decade the wetlands of the Swan Coastal Plain (SCP) region of Western Australia have been subject to increasing fire frequency and intensity. Whilst wetland sediment fires (also known as peat fires) on the SCP are not new phenomena, the increased frequency, duration and extent of combustion have been concomitant with an increase in urbanisation and reduction in average annual rainfall for the region. This has led to a decrease in ground- and surface-water levels which, in turn, has increased the susceptibility of the wetland sediments to ignition and combustion events. Increased wetland fire severity has resulted in …