Authors: Wahlberg, Eric J.; Keinath, Thomas M.

Source: Water Environment Research, Volume 67, Number 5, July/August 1995 , pp. 872-874(3)

Publisher: Water Environment Federation

Abstract:

An earlier paper by the authors (1988) introduced a correlation between the Vesilind settling parameters, V_o and K, and SVI performed in a stirred, 1-L graduated cylinder even though SVIs also were determined in more commonly used containers such as an unstirred, 1-L graduated cylinder and an unstirred, 2-L Mallory settlometer. Only the stirred graduated cylinder relationship was given because stirring increases the precision and decreases the variability of the SVI test, and Standard Methods (1975) has included stirring in the SVI test since 1975. Nonetheless, because the SVI test continues to be performed in unstirred containers, the correlations for the other SVI test methods measured during the study are presented herein so that they can be used by the wastewater treatment plant operations community.

Keywords: ACTIVATED SLUDGE; SECONDARY CLARIFIER; STATE POINT CONTROL; SOLIDS INVENTORY CONTROL; SLUDGE VOLUME INDEX

Document Type: Research article

DOI: http://dx.doi.org/10.2175/106143095X131817

Publication date: 1995-07-01

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• Water Environment Research® (WER®) publishes peer-reviewed research papers, research notes, state-of-the-art and critical reviews on original, fundamental and applied research in all scientific and technical areas related to water quality, pollution control, and management. An annual Literature Review provides a review of published books and articles on water quality topics from the previous year.
  
  Published as: Sewage Works Journal, 1928 - 1949; Sewage and Industrial Wastes, 1950 - 1959; Journal Water Pollution Control Federation, 1959 - Oct 1989; Research Journal Water Pollution Control Federation, Nov 1989 - 1991; Water Environment Research, 1992 - present.
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