Research Article
Jan 1975
Chemical Sludge Dewatering on Sand Beds
Publication: Journal of the Environmental Engineering Division
Volume 101, Issue 1
Abstract
In this study the draining and drying rates of chemical sludges applied to sand beds were related to several sludge characteristics. It was found that the time to drain was related to the sludge specific resistance, applied depth, and solids concentration. Air drying occurred in two distinct phases. The initial or slow drying phase was governed by the sludge cake depth and drained solids concentration while the rapid drying rate was found to approximate the free surface water evaporation rate. Sludges with a coefficient of compressibility less than 0.7 were found to penetrate into the sand bed.
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Information
Published In
Journal of the Environmental Engineering Division
Volume 101 • Issue 1 • January 1975
Pages: 1 - 14
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Jan 1975
Published online: Feb 11, 2021
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John T. Novak, AM.ASCE
Assoc. Prof., Dept. of Civ. Engr., Univ. of Missouri-Columbia, Columbia, Mo.
Gail E. Montgomery, AM.ASCE
Engr., Black and Veatch, Consulting Engrs., Kansas City, Mo.; formerly, Grad. Student, Dept. of Civ. Engrg., Univ. of Missouri-Columbia, Columbia, Mo.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.