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Water Science & Technology

Volume 17 Number 4-5

Contents

Epidemiological Evidence For Helminth And Cholera Transmission By Vegetables Irrigated with Wastewater: Jerusalem — A Case Study
Hillel I. Shuval, Perez Yekutiel and Badri Fattal ..........433–442
Wastewater Treatment by Artificial Wetlands
R. M. Gersberg,B. V. Elkins and C R Goldman..........443–450
Use of Peracetic Acid in Operational Sewage Sludge Disposal to Pasture
J. A. L. Fraser, A. F. Godfree and F. Jones ..........451–466
Considerations on Water, Oil and Air in Porous Media
H. O. Schiegg ..........467–476
Leachate Attenuation in the Unsaturated Zone Beneath Landfills: Instrumentation and Monitoring of a Site in Southern England
H. D. Robinson and J. L. Lucas ..........477–492
Settling of Nutrient Removal Activated Sludges
A. R. Pitman ..........493–504
Sludge Conditioning: Effects of Sludge Biochemical Composition
P. T. Bowen and T. M. Keinath ..........505–515
Floc-Forming Substances Extracted from Activated Sludge with Ammonium Hydroxide and EDTA Solutions
T. Sato and Y. Ose ..........517–528
Highly Efficient Anaerobic Digestion with Thermal Pretreatment
M. Hiraoka, N. Takeda, S. Sakai and A. Yasuda ..........529–539
Production of Liquid Alum from Aluminum-Anodizing Sludges
F. M. Saunders and C. B. Harmon ..........541–550
Sludge Treatment Technology and Ionizing Radiation
M. Sedláček, M. Koubík, K. Vacek and J. Rejholec ..........551–562
Sludge Stabilisation and Disinfection by Means of Autothermal Aerobic Digestion with Oxygen
B. C. Trim, and J. E. McGlashan ..........563–573
Decontaminating Biological Sludge for Agricultural Use
L. Wong and J. G. Henry ..........575–586
Fractionation of Heavy Metals in Sewage Sludges
R. J. Oake, C. S. Booker and R D Davis ..........587–598
Controlling Metal Uptake from Heat-Treated Sludge Applied to Grasslands
J. W. Vail and D. G. Devey ..........599–610
Disinfection of Drinking Water Rich in Bromide with Chlorine and Chlorine Dioxide, While Minimizing the Formation of Undesirable By-Products
Ch. Rav-Acha, A. Serri, E. (Goldstein) Choshen and B. Limoni ..........611–621
Sunlight Photooxidation of Organic Pollutants in Wastewater
A. J. Acher ..........623–632
Synthesis Modeling of Municipal Wastewater Treatment Systems
A. S. Câmara, C. W. Randall and L. C. Frair ..........633–644
F Specific RNA Bacteriophages in Sewage: Methodology and Occurrence
A. H. Havelaar, W. M. Hogeboom and R. Pot ..........645–655
Inactivation of Hepatitis a Virus, Other Enteric Viruses and Indicator Organisms in Water by Chlorination
W. O. K. Grabow, P. Coubrough, C. Hilner and B. W. Bateman ..........657–664
Effects of Water Quality on Microporous Filter Methods for Enteric Virus Concentration
M. D. Sobsey, T. Cromeans, A. R. Hickey and J. S. Glass ..........665–679
Factors Controlling the Survival of Viruses in Groundwater
Marylynn V. Yates and Charles P. Gerba ..........681–687
Occurrence of Viruses in Treated Drinking Water in the United States
Elmer W. Akin ..........689–700
Colloidal Stability of Particles in Lakes: Measurement and Significance
Waris Ali, Charles R. O’Melia, and James K. Edzwald ..........701–712
Sorption of Ammonia Nitrogen on River Borne Suspended Solids
R. F. Wukasch, and L. P. Moos ..........713–718
Mechanism and Kinetics of Cementation Processes
Boris Mikhail Khudenko ..........719–731
Phosphorus, Nitrogen and Chlorophyll-A Concentrations in a Typical Dutch Polder Lake, Tjeukemeer, in Relation to its Water Regime Between 1968 and 1982
H. De Haan, and J. R. Moed ..........733–743
The Role of Phytoplankton in the Dissolved Oxygen Budget of a Stratified Estuary
P. G. Soulsby, M. Mollowney, G. Marsh and D. Lowthion ..........745–756
Restoration of Lake Veluwe, The Netherlands, by Reduction of Phosphorus Loading and Flushing
S. H. Hosper ..........757–768
Water Quality Control of the Andelse Maas Basin, The Netherlands, by Iron Dosing
A. C. Hoekstra and K. D. Maiwald ..........769–780
Treatment of Agro-Industrial Wastes Using Water Hyacinth
C. K. John ..........781–790
The Selective Cultivation of Easily Harvestable Algae Using Crossflow-Microscreening
W. A. Pretorius and L. C. Hensman ..........791–802
Waste Water Recycling by Duckweed for Protein Production and Effluent Renovation
Gideon Oron, Louw R. Wildschut and Dan Porath ..........803–817
A Potential Treatment Alternative for Swine Wastewater in the Tropics
P. Y. Yang and S. Y. Nagano ..........819–831