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Discussion of “Effects of Solid Levels and Chemical Additives on Removal of Solids and Phosphorus in Swine Manure” by Pius M. Ndegwa, Jun Zhu, and Ancheng Luo
Publisher: American Society of Civil Engineers
Discussion of “<i>Analytical Approach for Evaluation of Settling Column Data</i>” by Hasan Ali San (April, 1989, Vol. 115, No. 2)
Publisher: American Society of Civil Engineers
Discussion of “<i>New Activated Sludge Theory: Steady State</i>” by Ritchie D. Mikesell (February, 1984)
Publisher: American Society of Civil Engineers
Discussion of “Unified Analysis of Thickening” by Don E. Baskin and Makram T. Suidan (February, 1985)
Publisher: American Society of Civil Engineers
Closure to “<i>Specific Resistance Measurements: Nonparabolic Data</i>” by G. Lee Christensen and Richard I. Dick (June, 1985, Vol. 111, No. 3)
Publisher: American Society of Civil Engineers
Mechanisms of Compressible Sludge Cake Shrinkage
Publisher: American Society of Civil Engineers
Abstract: Shrinkage can effect significant consolidation of saturated filter cakes, and results in production of filtrate that must be omitted from specific resistance calculations. Shrinkage results when curved air/liquid interfaces ...
Specific Resistance Measurements: Nonparabolic Data
Publisher: American Society of Civil Engineers
Abstract: A computer‐aided data acquisition system was developed for the generation of slurry filtration data. The system has some advantages over the traditional Buchner funnel apparatus, including: (1) Operation at pressure ...
Specific Resistance Measurements: Methods and Procedures
Publisher: American Society of Civil Engineers
Abstract: A computer‐aided data acquisition system was used with three sludges, two chemical‐conditioning systems and nine support media to investigate the effect of slurry solids concentration on specific resistance, the effect of ...
Synchrotron Radiation Measurements of Degree of Saturation in Porous Matrix
Publisher: American Society of Civil Engineers
Abstract: An experimental technique is developed using synchrotron radiation to determine changes in the degree of saturation in a drying porous matrix. Analyses of the drying characteristics of two synthetic slurries, kaolin and ...
Enhanced Ripening of Slow Sand Filters
Publisher: American Society of Civil Engineers
Abstract: While successful in removing turbidity and pathogens from drinking water, slow sand filters require ripening periods at the beginning of each filter run. The premise of this research was that it should be possible to enhance ...