Theory of Sand Filtration
A set of nonlinear partial differential equations with dimensionless variables, for filtration of dilute unisized suspension in water through homogeneous sand beds under constant rates...

Submarine Spring Discharge Using Radioactive Tracers
A new method of measuring the discharge rates of submarine springs is described. The method is based on a dilution analysis of radioactive slug within a fixed volume dilution cell. The...

Physical Interpretation of Jet Dilution Parameters
The curves commonly used to predict the dilution of a horizontal jet of fresh water discharged into saline water are studied. Physical reasons are given for the shape of these curves and,...

Coliform Aftergrowths in Chlorinated Storm Overflow
Laboratory tests were conducted on the possible bacteriological effects of combined sewer storm overflows into a tidal estuary. A standard overflow mixture was diluted with 3 to 25 volumes...

Diatomite Filtration Equations for Various Septa
Previously developed diatomite filtration equations have been found to be invalid for use with cylindrical septa because they fail to describe the significant effect of the increasing...

Hydrology of Water Quality Dilution Requirements
A comparison is presented between six commonly used methods of evaluating uncontrolled low flows for the determination of dilution requirements for water quality control. These algorithms...

Engineering Aspects of the Reclamation of Sodic Soils
Laboratory data show that sodic, fine-textured soils are impossible to reclaim by applying gypsum to the surface, and that the high-salt-water dilution method is effective within limits....

Environmental Hazard of Radioactive Wastes
Radioactive wastes may be disposed of by dilution to acceptable environmental levels, by storage for decay (maybe hundreds of years), or by reclamation to useful products. Storage for...

Water Purification by Forced-Flow Electrophoresis
The capabilities of an electrophoretic apparatus for water treatment are reported. Forced-flow electrophoresis—a modification of electrodecantation by Bier—provides two potential areas...

Equilibria and Capacities for Adsorption on Carbon
Laboratory investigations show that the ultimate capacity of granular carbon for adsorption of biochemically-resistant organic substances from dilute solution after a sufficient period...

Analysis of Thickener Operation
A rational theory of thickener operation, based on the Kynch analysis of sedimentation, is used to develop a design method for thickeners using gravity settling of suspensions. Kynch has...

An Improved Dilution Method for Flow Measurements
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Coagulation and Sedimentation
By assuming initially monodisperse system of particles or nuclei, chance of collisions leading to 1, 2, 3, etc, aggregated particles is computed according to procedure used by Smoluchowski;...

An Improved Dilution Method for Flow Measurements
Procedure for measuring flow in sewers containing industrial wastes by manganese dilution method; inexpensive technical grade of manganous sulphate was injected into sewers and degree...

Stream Pollution and Sewage Disposal: A Symposium: The Dilution Factor
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Stream Pollution and Sewage Disposal: A Symposium: The Dilution Factor
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