Multiple charge chlorine bleaching to reduce formation of...

Details Multiple charge chlorine bleaching to reduce formation of... Multiple charge chlorine bleaching to reduce formation of...

D - Textiles, Paper

21

C

9/27, 8/79

D21C 9/12 (2006.01) D21C 3/18 (2006.01) D21C 9/10 (2006.01) D21C 9/14 (2006.01)

Patent

CA 2001188

MULTIPLE CHARGE CHLORINE BLEACHING TO REDUCE FORMATION OF CHLORINATED DIOXINS AND FURANS Abstract of the Invention In the method of chemical pulping of wood including a chlorination stage pulp bleaching step, a method of reducing the amount of dioxins and furans produced thereby is disclosed wherein the chlorine is introudced to the pulp in a series of multiple charges in the chlorination stage pulp without reducing the total molecular chlorine.

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