Browsing Staff publications (SAS) by Author "Jarvis, Peter"

Browsing Staff publications (SAS) by Author "Jarvis, Peter"

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  • Ballasted flotation with glass microspheres for removal of natural organic matter 
    Jarvis, Peter; Martin, John; Winspear, Tracey; Jefferson, Bruce (Taylor & Francis Inc., 2013-01-23)
    Low density microspheres were used to float flocs formed from the coagulation of natural organic matter (NOM) using ferric sulphate coagulant. Microspheres were visually observed to be incorporated into the floc structure ...
  • Comparison of coagulation performance and floc properties using a novel zirconium coagulant against traditional ferric and alum coagulants 
    Jarvis, Peter; Sharp, Emma; Pidou, Marc; Molinder, Roger; Parsons, Simon A.; Jefferson, Bruce (Elsevier Science B.V., Amsterdam., 2012-09-03)
    Coagulation in drinking water treatment has relied upon iron (Fe) and aluminium (Al) salts throughout the last century to provide the bulk removal of contaminants from source waters containing natural organic matter ...
  • The impact of barley straw conditioning on the inhibition of Scenedesmus using chemostats 
    Murray, Daniel; Parsons, Simon A.; Jarvis, Peter; Jefferson, Bruce (Elsevier Science B.V., Amsterdam., 2010-03-31)
    The current paper investigates the role of barley straw conditioning on inhibiting the alga Scenedesmus. Fresh, pre-rotted and white rot fungi (WRF) augmented straw was tested in a series of chemostat experiments over ...
  • Kinetic study of adsorption and photo-decolorization of Reactive Red 198 on TiO2 surface 
    Dutta, S.; Parsons, Simon A.; Bhattacharjee, C.; Jarvis, Peter; Datta, S.; Bandyopadhyay, S. (Elsevier, 2009-12-15)
    Recycling and reuse of wastewater after purification will reduce the environmental pollution as well as fulfill the increasing demand of water. Adsorption-based water treatment process is very popular for dye-house wastewater ...
  • Low energy ballasted flotation 
    Jarvis, Peter; Buckingham, P.; Holden, B.; Jefferson, Bruce (Elsevier Science B.V., Amsterdam., 2009-08-01)
    A novel process which involves the replacement or supplementation of bubbles in the dissolved air flotation process with low density beads is presented. The work comprised a series of bench-scale flotation trials treating ...
  • Magnetic ion-exchange resin treatment: Impact of water type and resin use 
    Mergen, Maxime Rodolphe Denis; Jefferson, Bruce; Parsons, Simon A.; Jarvis, Peter (Elsevier Science B.V., Amsterdam., 2008-04-30)
    Three raw waters of fundamentally different natural organic matter (NOM) character were treated by magnetic resin using a bench-scale method designed to mimic how the resin is used in continuous operation. Increasing ...
  • Measuring Floc Structural Characteristics 
    Jarvis, Peter; Jefferson, Bruce; Parsons, Simon A. (Springer, 2005-05)
    A review is presented of a range of techniques for the structural characterisation of flocs. Flocs may be considered as highly porous aggregates composed of smaller primary particles. The irregular size and shape of flocs ...
  • Modeling bromate formation during ozonation 
    Jarvis, Peter; Parsons, Simon A.; Smith, Rosie (Taylor & Francis, 2007-12-31)
    Bromate formation has been identified as a significant barrier in the application of ozone during water treatment for water sources that contain high levels of bromide. Bromate has been identified as a possible human ...
  • Natural organic matter - The relationship between character and treatability 
    Parsons, Simon A.; Jefferson, Bruce; Goslan, Emma Harriet; Jarvis, Peter; Fearing, David Andrew (Iwa Publishing, 2004-12-31)
    The characterisation and treatment of natural organic matter are becoming more important to the water utilities in the UK and around the world. This paper looks at the relationship between bulk and fractionated organic ...
  • The practical application of fractal dimension in water treatment practice-the impact of polymer dosing 
    Jarvis, Peter; Parsons, Simon A.; Henderson, Rita Kay; Nixson, Nicholas; Jefferson, Bruce (Taylor & Francis Inc., 2008-07-01)
    The application of floc fractal dimension has been investigated in this work to determine if this parameter can have operational significance in water treatment. Natural organic matter suspensions were coagulated with ...
  • A review of floc strength and breakage 
    Jarvis, Peter; Jefferson, Bruce; Gregory, J.; Parsons, Simon A. (Elsevier, 2005-09)
    The main focus of the paper is to review current understanding of floc structure and strength. This has been done by reviewing current theoretical understanding of floc growth and breakage and an analysis of different ...

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