Standard: PAPTAC - J.14P

CHLORINE DIOXIDE PLANT ANALYSES

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Scope:

Chlorine dioxide is widely used in the pulp and paper industry as a bleaching agent. It is manufactured as a gas on site from sodium chlorate in a strongly acidic solution by reduction with sulphur dioxide, methanol, hydrochloric acid or alkali metal chloride. The chlorine dioxide gas is stripped from the solution with air and dissolved in water for storage and use.

The following methods cover all the necessary tests for a chlorine dioxide plant regardless of the manufacturing process used.

1. Generator Feed Solution Concentrations

a) Chlorate

b) Chloride

2. Generator Liquor Concentrations

a) Chlorate

b) Acid and chloride

c) Chlorine dioxide and chlorine

d) Catalysts

3. Generator Gas Volume and Chlorine Dioxide Concentrations

4. Chlorine Dioxide Solution Concentrations

a) Chlorine dioxide and chlorine

b) Hydrochloric and sulphuric acid

Organization: Pulp and Paper Technical Association of Canada, Formerly CPPA
Document Number: j.14p
Publish Date: 2006-06-01
Page Count: 6
Available Languages: EN
DOD Adopted: NO
ANSI Approved: NO
Most Recent Revision: YES
Current Version: YES
Status: Active

Document History

Document # Change Type Update Date Revision Status
J.14P Change Type: Update Date: 1984-05-01 Status: INAC

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