Teaser Bleaching Pulp & Paper

revised_Customer process bleach Plant in the Pulp & Paper sector

Bleaching with ozone

Pulp & Paper industry

PROCESS DESCRIPTION

The washed pulps still contain a certain amount of lignin, which would cause a brownish colour of the paper. To obtain white paper, the pulp must be bleached. Whereas the lignin used to be removed from the pulp with elemental chlorine, today's paper industry uses other bleaching agents such as hydrogen peroxide, oxygen, chlorine dioxide, ozone and others. Chlorine dioxide bleached pulp is also referred to as ECF (elementary chlorine free) pulp. Pulp bleached without chlorine is called TCF (totally chlorine free).

 

revised_Application technology bleach plant in the Pulp & Paper sector

Bleaching with ozone

Use oxygen for ozone generation

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