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Water Science & Technology

Volume 20 Number 8-9

Contents

Preface
Per-Edvin Persson, Frank B. Whitfield and Terushige Motohiro ..........ix–x
Development of the Flavor Profile Analysis Method into a Standard Method for Sensory Analysis of Water
I. H. Suffet, B. M. Brady, J. H. M. Bartels, G. Burlingame, J. Mallevialle and T. Yohe ..........1–9
The Relationship between Concentration and Sensory Properties of 2-Methylisoborneol and Geosmin in Drinking Water
T. Ito, T. Okumura and M. Yamamoto ..........11–17
Threshold Detection Values of Potential Fish Tainting Substances from Oil Sands Wastewaters
C. G. Jardine and Steve E. Hrudey ..........19–25
Correlation between Threshold Odor Numbers and the Concentration of Odorous Substances in Water
M. Tomita, N. Ichikawa and T. Goda ..........27–30
Flavor-Profile Analysis: An Objective Sensory Technique for the Identification and Treatment of Off-Flavors in Drinking Water
Stuart W. Krasner ..........31–36
The Detection of Taste and Odor in Osaka’s Drinking Water
H. Sano ..........37–42
Structure and Sensory Analyses of Tainting Substances in Finnish Freshwater Environments
A. Veijanen, J. Paasivirta and M. Lahtiperä ..........43–48
Petroleum-Like Off-Flavour in Seasoned Herring Roe
T. Sato, N. Matsuoka, H. Sugihara, H. Akazawa and T. Motohiro ..........49–53
Potent Odour-Causing Chemicals Arising from Drinking Water Disinfection
Steve E. Hrudey, Alina Gac and Susan A. Daignault ..........55–61
Chemistry of Off-Flavours in Marine Organisms
F. B. Whitfield ..........63–74
Water Blooms of Uroglena americana and the Identification of Odorous Compounds
H. Yano, M. Nakahara and H. Ito ..........75–80
The Efficiency and Relevance of Different Concentration Methods for the Analysis of Off-Flavours in Water
B. V. Lundgren, H. Borén, A. Grimvall, R. Sävenhed and B. Wigilius ..........81–89
A Simple Extraction Procedure for Moderately Volatile Taste and Odor Compounds Such as Geosmin and 2-Methylisoborneol — Method and Applications
B. G. Brownlee, L. Gammie, Wm. D. Gummer and G. A. MacInnis ..........91–97
Off-Flavor in the Channel Catfish (Ictalurus punctatus) Due to 2-Methylisoborneol and Its Dehydration Products
J. F. Martin, L. W. Bennett and W. H. Graham ..........99–105
Biochemistry of Biogenic Off-Flavour Compounds in Surface Waters
F. Jüttner ..........107–116
Blue-Green Algae in Lake Biwa Which Produce Earthy-Musty Odors
T. Negoro, M. Ando and N. Ichikawa ..........117–123
Factors Influencing Geosmin Production by the Cyanobacterium Oscillatoria brevis
H. Naes, H. C. Utkilen and A. F. Post ..........125–131
Musty Odour Problems in Lake Biwa 1982-1987
Masakazu Yagi ..........133–142
Effect of Environmental Factors on Geosmin Production by Fischerella muscicola
J. T. Wu and F. Jüttner ..........143–148
Identification of Volatile Metabolites Produced by Blue-Green Algae
Y. Tsuchiya and A. Matsumoto ..........149–155
Odor Decomposition by the Yeast Candida
H. Sumitomo ..........157–162
Odor Decomposition by an Immobilized Crude Enzyme
H. Sumitomo, Y. Ohmura, S. Ito and R. Takaya ..........163–166
Chemical Ecology and Off-Flavour Substances
O. M. Skulberg ..........167–178
Earthy-Musty Odor-Producing Cyanophytes Isolated from Five Water Areas in Tokyo
A. Matsumoto and Y. Tsuchiya ..........179–183
Nitrogen and the Threshold Odor Number Produced by an Actinomycete Isolated from Lake Sediments
Owen T. Lind and Samuel D. Katzif ..........185–191
Occurrence of Musty Odor in the Yodo River
Y. Hishida, K. Ashitani and K. Fujiwara ..........193–196
Effect of Chelating Agents on the Growth of Blue-Green Algae and the Release of Geosmin
M. Miwa and K. Morizane ..........197–203
Bacterial Degradation of 2-Methylisoborneol
G. Izaguirre, R. L. Wolfe and E. G. Means ..........205–210
Odorous Algal Cultures in Culture Collections
Per-Edvin Persson ..........211–213
Overview of Technology for Controlling Off-Flavors in Drinking Water
Michael J. McGuire and John M. Gaston ..........215–228
Pilot Scale Studies of Geosmin and 2-Methylisoborneol Removal
E. A. Vik, R. Storhaug, H. Naes and H. C. Utkilen ..........229–236
Water Treatment Systems and Technology for the Removal of Odor Compounds
K. Hattori ..........237–244
Formation and Removal of Off-Flavour Compounds during Ozonation and Filtration through Biologically Active Sand Filters
B. V. Lundgren, A. Grimvall and R. Sävenhed ..........245–253
Biological Degradation of Musty Odor Compounds, 2-Methylisoborneol and Geosmin, in a Bio-Activated Carbon Filter
Masakazu Yagi, Susumu Nakashima and Shigeki Muramoto ..........255–260
Behavior of Musty Odorous Compounds during the Process of Water Treatment
K. Ashitani, Y. Hishida and K. Fujiwara ..........261–267
Offensive Tastes and Odors Occurring after Chlorine Addition in Water Treatment Processes
Y. Levi and J. M. Jestin ..........269–274
Reduction of Musty Odor Substances in Drinking Water — A Pilot Plant Study
K. Terashima ..........275–281
Aquatic Off-Flavours — Past, Present and Future
Per-Edvin Persson ..........283–288
Subject Index ..........289–292