Browsing School of Applied Sciences (SAS) (2006-July 2014) by Author "Jefferson, Bruce"

Browsing School of Applied Sciences (SAS) (2006-July 2014) by Author "Jefferson, Bruce"

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  • 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 ...
  • Natural organic matter coagulation 
    Sharp, Emma (Cranfield University, 2005-10)
    The removal of natural organic matter (NOM) is one of the main challenges facing water utilities in both the UK and the US. As a consequence of changes in land management and an increased carbon loss from solids, a greater ...
  • Optimising powdered activated carbon dosing procedures for removal of natural organic matter 
    Carroll, Stuart (Cranfield University, 2009-06)
    The performance of three different types of PAC was analysed for the efficiency at which they remove natural organic matter (NOM) from untreated (raw) water, with the objective of ultimately reducing disinfection ...
  • Phosphorus removal in passive treatment technologies for tertiary wastewater treatment 
    Letshwenyo, Moatlhodi Wise (Cranfield University, 2014-01)
    The treatment of phosphorus at small sewage works requires alternative approaches to the traditional chemical precipitation and biological removal pathways, as such approaches do not align well to the requirements at ...
  • PosiDAF for algae removal 
    Henderson, Rita Kay (Cranfield University, 2007-10)
    During algac blooms, coagulation is frequently unsuccessful resulting in poor flotation duc to complex algal character. 11iis thesis cxplorcs tlic link between algal character and conventional treatment and the potential ...
  • The potential of barley straw as an algal and cyanobacterial growth control 
    Murray, Daniel (Cranfield University, 2009)
    Algal and cyanobacterial1 blooms are increasingly becoming a problem to water utilities in the UK and around the world. Conditions such as increasing eutrophication and poor management of water bodies are consequently ...
  • 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 ...
  • Removal and recovery of phosphorus from municipal wastewaters using a ferric nanoparticle adsorbent 
    Martin, Benjamin David (Cranfield University, 2010-11)
    Phosphorus is removed from wastewater streams to prevent the ecologically harmful effects of eutrophication in receiving natural systems. Current chemical and biological techniques for removing phosphorus from wastewater ...
  • 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 ...
  • Sludge free and energy neutral treatment of sewage 
    Martin Garcia, Ignacio. (Cranfield University, 2010-07)
    Anaerobic biological processes have been recognized as the most suitable pathway towards sustainable wastewater treatment due to the lower energy required and the lower amounts of biosolids generated when compared to ...
  • Small-scale constructed wetland for onsite light grey water treatment and recycling 
    Kadewa, Wilfred William (Cranfield University, 2010-05)
    This study focused on the investigation of the impact of household cleaning and personal care products on the quality of grey water and the assessment and optimisation of grey water treatment by a novel constructed wetland ...
  • Struvite crystallisation and recovery using a stainless steel structure as a seed material. 
    Le Corre, Kristell S.; Valsami-Jones, Eugenia; Hobbs, Phil; Jefferson, Bruce; Parsons, Simon A. (Elsevier Science B.V., Amsterdam., 2007-06-01)
    A metallic system acting as a seed substrate has been designed and developed in order to assess its efficiency in recovering phosphorus as struvite. The device, consisting of two concentric stainless steel meshes, was ...
  • Technologies and multi-barrier systems for sustainable groundwater recharge and irrigation 
    Besancon, Axelle (Cranfield University, 2010-06)
    Managed aquifer recharge (MAR) consists of artificially replenishing groundwater to facilitate reuse and/or the associated environmental benefits. Meanwhile, soil aquifer treatment (SAT) is a process of geo-purificatio ...
  • Treatment of disinfection by-product precursors 
    Bond, Tom (Cranfield University, 2009-03)
    Natural organic matter (NOM) in drinking water forms disinfection byproducts (DBPs) through reactions with disinfectants, typically chlorine. Many DBPs are harmful to human health. Potentially the most effective means ...
  • The use of artificial aeration in horizontal sub-surface flow constructed wetlands for tertiary nitrification 
    Butterworth, Eleanor (Cranfield University, 2014-03)
    Increased treatment capability is required on small sewage treatment works to meet ammonium consents that are tightening to effluent concentrations of below 5 mg[Ammonical nitrogen (mg/L)] and in some cases as low as ...
  • Zirconium as a coagulant for enhanced natural organic matter removal 
    Molinder, Roger (Cranfield University, 2009)
    Coagulation is the most common way to remove the bulk of natural organic matter (NOM) from moorland source waters during drinking water treatment. Deteriorating water quality and tightening regulations have created the ...

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