Factors affecting pH change in alkaline waste water treatment - I

L. Lijklema

Research output: Contribution to journalArticleAcademic

11 Citations (Scopus)
84 Downloads (Pure)

Abstract

The pH of wastewater in various stages of its purification depends mainly upon the equilibria of carbonic acid. Thus relations between pH and the concentrations of carbon dioxide, bicarbonate and carbonate can be formulated. Corrections for the non-ideal character of the sewage are necessary. With some restrictions the concept of alkalinity can be used for these pH relations. Several (bio)chemical and physical processes occurring in biological purification affect the concentrations of carbon dioxide and (bi)carbonate. Processes studied are carbon dioxide desorption, oxidation of organic matter and nitrification. Models are proposed for the calculation of the effluent pH and the values so obtained are compared with the available experimental results.
Original languageUndefined
Pages (from-to)913-930
JournalWater research
Volume3
Issue number12
DOIs
Publication statusPublished - 1969
Externally publishedYes

Keywords

  • IR-68102

Cite this

Lijklema, L. / Factors affecting pH change in alkaline waste water treatment - I. In: Water research. 1969 ; Vol. 3, No. 12. pp. 913-930.
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Factors affecting pH change in alkaline waste water treatment - I. / Lijklema, L.

In: Water research, Vol. 3, No. 12, 1969, p. 913-930.

Research output: Contribution to journalArticleAcademic

TY - JOUR

T1 - Factors affecting pH change in alkaline waste water treatment - I

AU - Lijklema, L.

PY - 1969

Y1 - 1969

N2 - The pH of wastewater in various stages of its purification depends mainly upon the equilibria of carbonic acid. Thus relations between pH and the concentrations of carbon dioxide, bicarbonate and carbonate can be formulated. Corrections for the non-ideal character of the sewage are necessary. With some restrictions the concept of alkalinity can be used for these pH relations. Several (bio)chemical and physical processes occurring in biological purification affect the concentrations of carbon dioxide and (bi)carbonate. Processes studied are carbon dioxide desorption, oxidation of organic matter and nitrification. Models are proposed for the calculation of the effluent pH and the values so obtained are compared with the available experimental results.

AB - The pH of wastewater in various stages of its purification depends mainly upon the equilibria of carbonic acid. Thus relations between pH and the concentrations of carbon dioxide, bicarbonate and carbonate can be formulated. Corrections for the non-ideal character of the sewage are necessary. With some restrictions the concept of alkalinity can be used for these pH relations. Several (bio)chemical and physical processes occurring in biological purification affect the concentrations of carbon dioxide and (bi)carbonate. Processes studied are carbon dioxide desorption, oxidation of organic matter and nitrification. Models are proposed for the calculation of the effluent pH and the values so obtained are compared with the available experimental results.

KW - IR-68102

U2 - 10.1016/0043-1354(69)90075-X

DO - 10.1016/0043-1354(69)90075-X

M3 - Article

VL - 3

SP - 913

EP - 930

JO - Water research

JF - Water research

SN - 0043-1354

IS - 12

ER -