Publications
410 results found
Pullket S, Smith KM, Fowler GD, et al., 2009, Influence of Source and Treatment Method on the Properties of Activated Carbons Produced from Sewage Sludge, European Conference on Sludge Management, Publisher: DESTECH PUBLICATIONS, INC, Pages: 43-49, ISSN: 1544-8053
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- Citations: 8
Tsang DCW, Lo IMC, Graham NJD, 2009, Physicochemical Characteristics of Humic Acid Aggregates Formed in Zero-Valent Iron Systems, International Symposium on Environmental Science and Technology, Publisher: SCIENCE PRESS BEIJING, Pages: 313-319
Huang J, Graham N, Templeton MR, et al., 2009, A comparison of the role of two blue-green algae in THM and HAA formation, Water Research, Vol: 43, Pages: 3009-3018
Huang J, Graham N, Templeton MR, et al., 2009, IMPACT OF SEASONAL VARIATIONS AND BROMIDE ON CHARACTERISTICS OF HALOACETIC ACID PRECURSORS, 1st International Postgraduate Conference on Infrastructure and Environment, Publisher: HONG KONG POLYTECHNIC UNIV, Pages: 105-110
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- Citations: 1
Tsang DCW, Lo IMC, Graham NJD, 2009, Perchloroethene and Chromium Removal from Humic Acid-containing Groundwater by Zero-Valent Iron Systems, 2009 3RD INTERNATIONAL CONFERENCE ON BIOINFORMATICS AND BIOMEDICAL ENGINEERING, VOLS 1-11, Pages: 6211-+
Ning B, Graham NJD, Lickiss PD, 2009, A comparison of ultrasound-based advanced oxidation processes for the removal of X-ray contrast media, WATER SCIENCE AND TECHNOLOGY, Vol: 60, Pages: 2383-2390, ISSN: 0273-1223
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- Citations: 12
Graham N, Fang G, Fowler G, et al., 2009, Evaluation of a tannin-based cationic polymer as a coagulant for coloured humic water, JOURNAL OF WATER SUPPLY RESEARCH AND TECHNOLOGY-AQUA, Vol: 58, Pages: 75-84, ISSN: 0003-7214
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- Citations: 8
Huang J, Graham N, Templeton MR, et al., 2008, Evaluation of Anabaena flos-aquae as a precursor for trihalomethane and haloacetic acid formation, Water Science and Technology: Water Supply, Vol: 8, Pages: 653-662
Ning B, Graham NJD, 2008, Ozone Degradation of Iodinated Pharmaceutical Compounds, JOURNAL OF ENVIRONMENTAL ENGINEERING-ASCE, Vol: 134, Pages: 944-953, ISSN: 0733-9372
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- Citations: 42
Graham N, Gang F, Fowler G, et al., 2008, Characterisation and coagulation performance of a tannin-based cationic polymer: A preliminary assessment, COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, Vol: 327, Pages: 9-16, ISSN: 0927-7757
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- Citations: 110
Sharma VK, Li XZ, Graham N, et al., 2008, Ferrate(VI) oxidation of endocrine disruptors and antimicrobials in water, JOURNAL OF WATER SUPPLY RESEARCH AND TECHNOLOGY-AQUA, Vol: 57, Pages: 419-426, ISSN: 0003-7214
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- Citations: 56
Li XZ, Yuan BL, Graham N, 2008, Degradation of dibutyl phthalate in aqueous solution by a combined ferrate and photocatalytic oxidation process, ACS Symposium Series, Vol: 985, Pages: 364-377, ISSN: 0097-6156
The aim of the present work was to study the interaction of ferrate oxidation and photocatalytic oxidation in terms of dibutyl phthalate (DBP) degradation in aqueous solution, in which three sets of experiments were carried out, including (1) ferrate oxidation alone, (2) photocatalytic oxidation alone, and (3) the combination of ferrate oxidation and photocatalytic oxidation. Laboratory experiments demonstrated that ferrate oxidation and phtotocatalytic oxidation of DBP in aqueous solution are relatively slow processes. However, the presence of TiO2 and ferrate together under UV illumination accelerated the DBP degradation significantly. Since ferrate was reduced quickly due to the presence of TiO2 and UV irradiation, the DBP degradation reaction can be divided into two phases. During the first 30 min (Phase 1) the DBP was degraded by both photocatalytic oxidation and ferrate oxidation, and by interactive reactions. After 30 min (Phase 2), the ferrate residual had declined to a very low level and the photocatalytic reaction was the dominant mechanism of further DBP degradation. The influence of three main factors, ferrate dosage, TiO2 dosage and pH, on the DBP degradation were investigated in order to understand the reaction mechanism and kinetics. © 2008 American Chemical Society.
Tien KT, Graham N, Jiang JQ, 2008, Evaluating the coagulation performance of ferrate: A preliminary study, ACS Symposium Series, Vol: 985, Pages: 292-305, ISSN: 0097-6156
Ferrate is cited as having a dual role in water treatment, both as oxidant and coagulant. Few studies have considered the coagulation effect in detail, mainly because of the difficulty of separating the oxidation and coagulation effects. This paper summarises some preliminary results from an ongoing laboratory-based project that is investigating the coagulation reaction, dynamically via a PDA instrument, between ferrate and a suspension of kaolin powder at different doses and pH values, and comparing the observations with the use of ferric chloride. The PDA output gives a comparative measure of the rate of floe growth and the magnitude of floe formation. The results of the tests show some similarities and significant differences in the pattern of behaviour between ferrate and ferric chloride. This paper presents and discusses these observations and provides some comparative information on the strength of floes formed. © 2008 American Chemical Society.
Yuan B-L, Li X-Z, Graham N, 2008, Reaction pathways of dimethyl phthalate degradation in TiO<sub>2</sub>-UV-O<sub>2</sub> and TiO<sub>2</sub>-UV-Fe(VI) systems, CHEMOSPHERE, Vol: 72, Pages: 197-204, ISSN: 0045-6535
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- Citations: 86
Yuan B-L, Li X-Z, Graham N, 2008, Aqueous oxidation of dimethyl phthalate in a Fe(VI)-TiO<sub>2</sub>-UV reaction system, WATER RESEARCH, Vol: 42, Pages: 1413-1420, ISSN: 0043-1354
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- Citations: 92
Li C, Li XZ, Graham N, et al., 2008, The aqueous degradation of bisphenol A and steroid estrogens by ferrate, WATER RESEARCH, Vol: 42, Pages: 109-120, ISSN: 0043-1354
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- Citations: 186
Ning B, Graham NJD, Lickiss PD, 2007, Degradation of X-ray contrast media compounds by combined ozone and ultrasound, WATER ENVIRONMENT RESEARCH, Vol: 79, Pages: 2427-2436, ISSN: 1061-4303
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- Citations: 10
Jankovic-Nisic B, Graham NJD, Maksimovic C, et al., 2007, Cost-effective leakage reduction through district metering, PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS-WATER MANAGEMENT, Vol: 160, Pages: 181-187, ISSN: 1741-7589
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- Citations: 1
Ning B, Graham NJD, Zhang Y, 2007, Degradation of octylphenol and nonylphenol by ozone - Part I: Direct reaction, CHEMOSPHERE, Vol: 68, Pages: 1163-1172, ISSN: 0045-6535
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- Citations: 59
Ning B, Graham NJD, Zhang Y, 2007, Degradation of octylphenol and nonylphenol by ozone - Part II: Indirect reaction, CHEMOSPHERE, Vol: 68, Pages: 1173-1179, ISSN: 0045-6535
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- Citations: 39
Lau TK, Chu W, Graham N, 2007, Reaction pathways and kinetics of butylated hydroxyanisole with UV, ozonation, and UV/O<sub>3</sub> processes, WATER RESEARCH, Vol: 41, Pages: 765-774, ISSN: 0043-1354
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- Citations: 34
Lau TK, Chu W, Graham NJD, 2007, The aqueous degradation of butylated hydroxyanisole by UV/S<sub>2</sub>O<sub>8</sub><SUP>2-</SUP>:: Study of reaction mechanisms via dimerization and mineralization, ENVIRONMENTAL SCIENCE & TECHNOLOGY, Vol: 41, Pages: 613-619, ISSN: 0013-936X
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- Citations: 386
Lau TK, Chu W, Graham NJD, 2007, The aqueous degradation of butylated hydroxyanisole by UV/S <inf>2</inf>O<inf>8</inf><sup>2-</sup>: Study of reaction mechanisms via dimerization and mineralization, Environmental Science and Technology, Vol: 41, Pages: 613-619, ISSN: 0013-936X
Three distinctive phases of BHA reactivity toward UV/S2O 82- at acidic, neutral, and basic pH range were examined, where 80-100% mineralization has been observed within an hour of irradiation under 254 nm. A reduction in solution pH during the reaction was observed mainly due to the complete conversion of S2O82- to sulfate ion together with proton generation. Seven measurable intermediates were found via an oxidation and dimerization process at all tested pH levels. The BHA decay mechanisms are quite different in acidic condition and at other pH levels. There are three unique intermediates that are only detectable at pH 3 via two additional pathways. This is due to the generation of weaker oxidants or radicals which results in a slower degradation of the BHA, and therefore, the accumulation of these intermediates to detectable levels. The rate of BHA decay generally increases from low to high pH levels; however, the corresponding mineralization at higher pH is retarded due to the futile process of recombining radicals and involvement of intermediates. Therefore, neutral pH was suggested to be the optimum condition in terms of mineralization and moderate efficiency in removing BHA. © 2007 American Chemical Society.
Ning B, Graham N, Zhang Y, et al., 2007, Degradation of endocrine disrupting chemicals by ozone/AOPs, OZONE-SCIENCE & ENGINEERING, Vol: 29, Pages: 153-176, ISSN: 0191-9512
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- Citations: 89
Lau TK, Chu W, Graham N, 2007, Degradation of the endocrine disruptor carbofuran by UV, O<sub>3</sub> and O<sub>3</sub>/UV, 4th International Conference on Oxidation Technologies for Water and Wastewater Treatment, Publisher: IWA PUBLISHING, Pages: 275-280, ISSN: 0273-1223
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- Citations: 25
Stoianov I, Graham N, Madden S, et al., 2007, WaterSense : Integrating Sensor Nets with Enterprise Decision Support, London, International Conference of Computing and Control for the Water Industry; Water Management Challenges in Global Change, Publisher: Taylor & Francis, Pages: 123-130
San Miguel G, Lambert SD, Graham NJD, 2006, A practical review of the performance of organic and inorganic adsorbents for the treatment of contaminated waters, JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY, Vol: 81, Pages: 1685-1696, ISSN: 0268-2575
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- Citations: 54
Li XZ, Yuan BL, Graham N, 2006, Degradation of di-butyl phthalate in aqueous solution by a combined ferrate and photocatalytic oxidation process, ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, Vol: 232, Pages: 586-586, ISSN: 0065-7727
Graham NJD, Khoi TT, Jiang J, 2006, Evaluating the coagulation performance of ferrate: A preliminary study, ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, Vol: 232, Pages: 639-639, ISSN: 0065-7727
Campos LC, Smith SR, Graham NJD, 2006, Deterministic-based model of slow sand filtration. II: Model application, JOURNAL OF ENVIRONMENTAL ENGINEERING, Vol: 132, Pages: 887-894, ISSN: 0733-9372
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- Citations: 10
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