Research Article
Oct 1973
Design of High-Rate Settlers
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VIEW THE REPLYPublication: Journal of the Environmental Engineering Division
Volume 99, Issue 5
Abstract
The result of a comparison indicates that downflow settlers may have better performance provided the effluent collection system presents no problem. If the design criteria on overflow rate for conventional settling tanks are used for designing high-rate settlers, the latter will give better performance within the normal range of practical design. It appears that a high-rate settler system can handle considerable overloading without serious reduction in its turbidity removal efficiency. A settler with its flow through velocity less than 0.6 fpm (18.3 cm/min) tends to perform better than that with a higher flow through velocity even though the design overflow rate is kept the same. The theoretical design equation is found to incorporate the effects of angle of inclination and relative settler length reasonably well.
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Published In
Journal of the Environmental Engineering Division
Volume 99 • Issue 5 • October 1973
Pages: 621 - 637
Copyright
© 1973 American Society of Civil Engineers.
History
Published in print: Oct 1973
Published online: Feb 11, 2021
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Authors
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Kuan M. Yao, M.ASCE
World Health Organization Prof. of Sanitary Engrg.; Inst. of Public Health Engrg. Res., West Pakistan Univ. of Engrg. and Tech., Lahore, Pakistan
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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.
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