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Bleaching improves the strength of the pulp.

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in Food Packaging Technology by (63.0k points)
Bleaching improves the strength of the pulp.

(a) True

(b) False

I got this question during an internship interview.

My question is taken from Pulping, Digestion and Bleaching in chapter Paper and Paper Based Packaging Materials of Food Packaging Technology

1 Answer

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The correct option is (b) False

Easy explanation: The given statement is false. Bleaching reduces the strength of the pulp. Bleaching involves both the oxidation of colored bodies and the removal of residual encrusting materials (the principal one being lignin) remaining from the digestion and washing stages. This also results in loss of strength.

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