Eka® ClO₂ is chlorine dioxide; it is generally produced, stored and typically fed as an 8-11 grams per liter aqueous solution to the desired application point.
Brand
Eka®
Chemical family
Oxides of chlorine
CAS number
10049-04-4
Physical form
Gas or Aqueous solution
Molecular Weight
67.45
Chemical name
Chlorine Dioxide
Applications
Eka® ClO₂ (chlorine dioxide) is the main bleaching agent used in modern environmentally compatible paper pulp manufacturing. Chlorine dioxide is the main component in ECF (Elemental Chlorine-Free) bleaching. Up to 99 percent of all chlorine dioxide produced worldwide is consumed by the Pulp Industry. Other common applications for chlorine dioxide include use as a broad-spectrum biocide and primary disinfectant for potable and cooling water. In water treatment, appropriate chlorine dioxide solution concentrations are metered directly from an on-site generator to the application point.
Chlorine dioxide is metered to the application point in a weak (~10 g/l) aqueous solution. In aqueous solution chlorine dioxide is slightly green in color. Chlorine dioxide should be generated at the point of use and strict regulations control its transportation.
Functions
Oxidant,
Oxygen source
Applications
Bleaching and delignification of cellulose kraft and sulfite pulp
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