Research Article
Mar 1975
Limestone Barriers to Neutralize Acidic Streams
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VIEW THE REPLYPublication: Journal of the Environmental Engineering Division
Volume 101, Issue 3
Abstract
Water samples were taken for analysis and measurements were made to determine the effect of each installation on water quality at four prototype limestone barriers that had been constructed to neutralize acidic streams. The pH of stream water was increased by up to 3 pH units at low streamflow, to pH 7 or above. This demonstrates that limestone barriers are capable of renovating acidic streams to the point that normal aquatic life can be restored, rendering the stream water suitable for a number of uses that are otherwise precluded. A mathematical model of limestone barriers was constructed, based on hydraulic laws and on the chemical kinetics of the rate limiting reactions between crushed limestone and acidic water. Model predictions matched the observed performance of the barriers. A procedure was developed to determine the design of a barrier of crushed limestone to neutralize a given streamflow.
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Published In
Journal of the Environmental Engineering Division
Volume 101 • Issue 3 • March 1975
Pages: 425 - 440
Copyright
© 1975 American Society of Civil Engineers.
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Published in print: Mar 1975
Published online: Feb 11, 2021
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Authors
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Frank H. Pearson, AM.ASCE
Research Asst., Land and Water Research Inst., Pennsylvania State Univ., University Park, Pa.
Archie J. McDonnell, AM.ASCE
Prof. of Civ. Engrg. and Dir., Water Center, Land and Water Research Inst., Pennsylvania State Univ., University Park, Pa.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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.