Tag Archives: chemical bleaching

Chlorine dioxide bleaching

Posted on February 28, 2016 by admin

Chlorine dioxide is an oxidizing agent for pulp bleaching. The chemical formula of this chlorine dioxide bleach is ClO2. It is a yellowish-green gas, bad odor and liquefied in 11⁰C which is red in color. It is an ECF (elemental chlorine-free) bleaching process which is currently most Read more

Posted in pulp bleaching, Pulp Mill | Tagged , , , , , | 6 Comments

Oxygen delignification process

Posted on July 28, 2015 by admin

Oxygen Delignification is one of the most significant and well proven pulp bleaching process for ECF (elemental chlorine free) and TCF (total chlorine free) bleached pulp production. It is the first stage of the bleaching process; in this case oxygen and alkali are used to eliminate a Read more

Posted in Lignin, pulp bleaching, Pulp Mill | Tagged , , , , , , | 16 Comments