Secondary Treatment Alternatives: Suspended Growth
All suspended growth bio-oxidation systems can be viewed as modifications of the conventional activated-sludge process. Extensive use of several operational…
Cost-Effectiveness of On-Site and Community Sewerage Alternatives
Some research and development work has taken place, over many years, on individual on-site treatment and disposal systems as well…
Initial Dilution with Deepwater Diffusers
Wastewaters generated in many coastal communities are discharged into the ocean through deepwater diffusers. There are several factors of interest…
Water Softening and Conditioning Problems Solution by Chemical Equilibrium Methods
In recent years, the equilibrium methods of physical chemistry have found increasing application in the solution of problems of applied…
Pragmatic Approaches to Regulation and Control
The recent mandates of the State of California regarding solid waste management have caused counties to assume, among other responsibilities,…
Chemical Sewer Grouting for Infiltration Reduction
Infiltration of groundwater into sewer lines has long plagued the operation of sewage collection and treatment facilities by greatly increasing…
The Use of a Novel Gas Chromatographic Detection System for the Analysis of Trace Halo-Organics
A novel ionization (electron capture) gas chromatographic detector is described. The new design features an open cell, an anode-to-cathode gas…
Energy From Solid Waste for Wastewater Treatment
Construction is nearly complete on a 1.3- m3/s (30-mgd) water reclamation plant for the Central Contra Costa Sanitary District (CCCSD)…
Pyrolysis Gas from Solid Waste Will Provide Total Power Demand for a Major Wastewater Reclamation Plant
The background and process description of a 40 million gallon per day wastewater reclamation plant is reviewed as a prelude…
The Formation of Volatile Halogenated Organic Compounds in Wastewater Chlorination
Recently, there has been considerable interest and concern over the presence of halogenated organic compounds in potable water. The carcinogenic…
Classification of Models of Tidal Waters
To develop and direct a water quality program for estuaries and tidal inlets, a model is required to predict the…
Peak Sludge Loads at a Municipal Treatment Plant
Sludge facilities for municipal wastewater plants are usually designed for average expected load, not peak load. Sludge peak loads, however,…