Operation and Maintenance of Rapid Sand and Mixed‐Media Filters in a Lime Softening Plant: Fid-Bau Portal

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Operation and Maintenance of Rapid Sand and Mixed‐Media Filters in a Lime Softening Plant

Tuepker, J. L. / Buescher, C. A. Jr.

At the St. Louis Water Company, a study demonstrated that water receiving proper pretreatment can be successfully filtered at rates of 5‐6 gpm/sq ft, with either a rapid sand filter or a dual‐media filter. Pretreatment requirements will vary with the quality of the raw water and should be determined on this basis. The pretreatment facilities utilized for this study had detention times based on a 3 gpm/sq ft filtration rate. The water treated had widely varying characteristics. Statistics show the range of raw‐water characteristics, turbidity of water applied to dual‐media filters, and turbidity of the filter effluent during 1967. The unit dosage of chemicals to achieve these results is also presented.

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Operation and Maintenance of Rapid Sand and Mixed‐Media Filters in a Lime Softening Plant

Tuepker, J. L. / Buescher, C. A. Jr.

At the St. Louis Water Company, a study demonstrated that water receiving proper pretreatment can be successfully filtered at rates of 5‐6 gpm/sq ft, with either a rapid sand filter or a dual‐media filter. Pretreatment requirements will vary with the quality of the raw water and should be determined on this basis. The pretreatment facilities utilized for this study had detention times based on a 3 gpm/sq ft filtration rate. The water treated had widely varying characteristics. Statistics show the range of raw‐water characteristics, turbidity of water applied to dual‐media filters, and turbidity of the filter effluent during 1967. The unit dosage of chemicals to achieve these results is also presented.

Operation and Maintenance of Rapid Sand and Mixed‐Media Filters in a Lime Softening Plant

Tuepker, J. L. / Buescher, C. A. Jr.

At the St. Louis Water Company, a study demonstrated that water receiving proper pretreatment can be successfully filtered at rates of 5‐6 gpm/sq ft, with either a rapid sand filter or a dual‐media filter. Pretreatment requirements will vary with the quality of the raw water and should be determined on this basis. The pretreatment facilities utilized for this study had detention times based on a 3 gpm/sq ft filtration rate. The water treated had widely varying characteristics. Statistics show the range of raw‐water characteristics, turbidity of water applied to dual‐media filters, and turbidity of the filter effluent during 1967. The unit dosage of chemicals to achieve these results is also presented.

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Title:

Operation and Maintenance of Rapid Sand and Mixed‐Media Filters in a Lime Softening Plant

Contributors:

Tuepker, J. L. (author) / Buescher, C. A. Jr. (author)

Published in:

Journal ‐ American Water Works Association ; 60 ; 1377-1388

Publication date:

1968-12-01

Size:

12 pages

ISSN:

1551-8833 , 0003-150X

DOI:

https://doi.org/10.1002/j.1551-8833.1968.tb03688.x

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Statistics , Dual Media Filters , Turbidity , Filters , Rapid Sand Filters , Pretreatment , Dosage

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