Vol. 38 No. 5 (2012)

Published: 2012-11-06

Using multivariate statistical analysis to assess changes in water chemistry in sections of the Vaal Dam catchment between 1991 and 2008

TL Bird, MC Scholes

647-654

DOI:

10.4314/wsa.v38i5.1

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The performance of plant species in removing nutrients from stormwater in biofiltration systems in Cape Town

SG Milandri, KJ Winter, SBM Chimphango, NP Armitage, DN Mbui, GE Jackson, V Liebau

655-662

DOI:

10.4314/wsa.v38i5.2

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Seasonal variations of water and sediment quality parameters in endorheic reed pans on the Mpumalanga Highveld

AR de Klerk, LP de Klerk, J Chamier, V Wepener

663-672

DOI:

10.4314/wsa.v38i5.3

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Sorptive removal of ciprofloxacin hydrochloride from simulated wastewater using sawdust: Kinetic study and effect of pH

SK Bajpai, M Bajpai, N Rai

673-682

DOI:

10.4314/wsa.v38i5.4

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Aerobic biotransformation of 2, 4, 6–trichlorophenol by Penicillium chrysogenum in aqueous batch culture: Degradation and residual phytotoxicity

N Aranciaga, I Durruty, JF González, EA Wolski

683-688

DOI:

10.4314/wsa.v38i5.5

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Photocatalytic degradation of geosmin: Reaction pathway analysis

EE Bamuza-Pemu, EMN Chirwa

689-696

DOI:

10.4314/wsa.v38i5.6

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Natural organic matter (NOM) in South African waters: NOM characterisation using combined assessment techniques

TI Nkambule, RWM Krause, J Haarhoff, BB Mamba

697-706

DOI:

10.4314/wsa.v38i5.7

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A new spectrophotometric method for determination of residual polydiallyldimethylammonium chloride flocculant in treated water based on a diazotization-coupled ion pair

IW Mwangi, JC Ngila, P Ndungu

707-714

DOI:

10.4314/wsa.v38i5.8

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The distribution of inherent phosphorus in fifteen water treatment residues from South Africa

M Norris, LW Titshall

715-720

DOI:

10.4314/wsa.v38i5.9

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Point-of-use water purification using clay pot water filters and copper mesh

AJ Varkey, MD Dlamini

721-726

DOI:

10.4314/wsa.v38i5.10

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Field testing of polymeric mesh and ash-based ceramic membranes in a membrane bioreactor (MBR) for decentralised sewage treatment

PK Tewari, RK Singh, VS Batra, M Balakrishnan

727-730

DOI:

10.4314/wsa.v38i5.11

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Fluoride concentrations in groundwater and impact on human health in Siloam Village, Limpopo Province, South Africa

JO Odiyo, R Makungo

731-736

DOI:

10.4314/wsa.v38i5.12

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Assessment of in-situ abundance dynamics of enterobacteria and total heterotrophic aerobic bacteria in groundwater in the equatorial region of Central Africa

M Nola, JS Eheth, ME Nougang, ML Moungang, OVN Ewoti, F Krier, N-E Chihib, P Servais, J-P Hornez, T Njiné

737-746

DOI:

10.4314/wsa.v38i5.13

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Characteristics of local groundwater recharge cycles in South African semi-arid hard rock terrains: Rainfall–groundwater interaction

E van Wyk, GJ van Tonder, D Vermeulen

747-754

DOI:

10.4314/wsa.v38i5.14

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Vulnerability of wastewater infrastructure of coastal cities to sea level rise: A South African case study

E Friedrich, D Kretzinger

755-764

DOI:

10.4314/wsa.v38i5.15

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A short-range weather prediction system for South Africa based on a multi-model approach

S Landman, FA Engelbrecht, CJ Engelbrecht

765-774

DOI:

10.4314/wsa.v38i5.16

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Rainy season characteristics of the Free State Province of South Africa with reference to rain-fed maize production

ME Moeletsi, S Walker

775-782

DOI:

10.4314/wsa.v38i5.17

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A socio-economic impact assessment of a project to identify and implement best management practices at the Zanyokwe Irrigation Scheme at farm level

MC Tshuma, N Monde

783-792

DOI:

10.4314/wsa.v38i5.18

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An evaluation of the Contractor Development Model of Working for Water

A Coetzer, J Louw

793-802

DOI:

10.4314/wsa.v38i5.19

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Short communication: Dairy farm borehole water quality in the greater Mangaung region of the Free State Province, South Africa

L Esterhuizen, A Fossey, JFR Lues

803-806

DOI:

10.4314/wsa.v38i5.20

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Short communication: Rapid in vitro tests to determine the toxicity of raw wastewater and treated sewage effluents

R Hendricks, EJ Pool

807-812

DOI:

10.4314/wsa.v38i5.21

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Short communication: Use of calcium sulphate dihydrate as an alternative to the conventional use of aluminium sulphate in the primary treatment of wastewater

MC Vázquez-Almazán, E Ventura, E Rico, ME Rodríguez-García

813-818

DOI:

10.4314/wsa.v38i5.22

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Short communication: Isolation and identification of bacterial pollutants from the Berg and Plankenburg Rivers in the Western Cape, South Africa

AN Paulse, VA Jackson, S Khan, W Khan

819-824

DOI:

10.4314/wsa.v38i5.23

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Reduction of Langelier index of cooling water by electrolytic treatment with stainless steel electrode

R Rungvavmanee, C Phalakornkule

825-830

DOI:

10.4314/wsa.v38i5.24

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Technical note: Guide to groundwater monitoring for the coal industry

MR Barnes, PD Vermeulen

831-836

DOI:

10.4314/wsa.v38i5.25

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Comment on: Funke N and Nienaber S (2012) Promoting uptake and use of conservation science in South Africa by government (Water SA 38 (1) 105-113)

M Ngcobo, MC Mlambo

837-840

DOI:

10.4314/wsa.v38i5.26

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