C - Chemistry – Metallurgy – 12 – Q
Patent
C - Chemistry, Metallurgy
12
Q
C12Q 1/02 (2006.01) C02F 3/30 (2006.01) C12Q 3/00 (2006.01) G01N 33/18 (2006.01) C12Q 1/25 (2006.01)
Patent
CA 2243190
A method of monitoring a microbiological process in a fluid supply involving isolation of a fluid sample from a fluid supply, measuring the pH of the fluid sample at selected time intervals, then analyzing changes in pH, if any, to determine a pH variation rate for the sample. The dissolved oxygen in the sample is also measured at selected time intervals substantially synchronously with the pH measurements, and changes in dissolved oxygen, if any, are analyzed to determine a biological oxygen consumption rate for the sample.
L'invention porte sur un procédé de surveillance de l'activité biologique dans des fluides consistant à isoler un échantillon du fluide, à en mesurer le pH à intervalles données, à analyser les variations éventuelles du pH pour en déterminer le taux pour l'échantillon. On mesure également la quantité d'oxygène dissous dans l'échantillon à intervalles donnés, de manière sensiblement synchrone par rapport aux mesures du pH, et les variations éventuelles de l'oxygène dissous sont analysées pour déterminer le taux biologique de consommation d'oxygène de l'échantillon.
Lee Jaw Fang
Mah Terrance J.
Maneshin Sergey K.
Yang Xin
Biochem Technology Inc.
Goudreau Gage Dubuc
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