Method for determining a level of treatment with ozone of a liquid to be treated

US6451612B1 · kind B1 · utility

Assignee

• L'Air Liquide, Société Anonyme à Directoire et Conseil de Surveillance pour l'Étude et l'Exploitation des Procédés Georges Claude · FR

Inventors

• Philippe Campo · Montigny-le-Bretonneux, FR
• Aurelie Grimberg · Rostock, DE
• Jean-Marc Rabillier · Guyancourt, FR
• Maurice Rignon · Chalon-sur-Saône, FR

Key dates

• Filing date: Jun 28, 2000
• Grant date: Sep 17, 2002
• Expiry date: Jun 28, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T436/25
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

Method for the determination of a level of treatment with ozone of a liquid to be treated, comprising the steps of:a) storing the liquid to be treated, the liquid having at least one of an initial dissolved oxidant and ozone content of Ci;b) manufacturing an ozonized water mother solution with a given and constant content of dissolved ozone Cm;c) withdrawing a volume Vm of the mother solution and admixing it with a sample of the stored liquid with a volume of Vi;d) measuring at least one of the content Cf of dissolved residual oxidants and dissolved ozone in the sample after admixture with the volume Vm of the mother solution, immediately after at least one of addition and at predetermined, regular or irregular time intervals after the addition;e) determining the level of treatment to be applied to the liquid as a function of the value of the quantity Cf-Ci.