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The term TCF in chlorine bleaching stands for_________bleaching.

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The term TCF in chlorine bleaching stands for_________bleaching.

(a) Total chlorine free

(b) Total cadmium free

(c) Total chromium free

(d) Total calcium free

The question was posed to me in an online interview.

Query is from Pulping, Digestion and Bleaching in section Paper and Paper Based Packaging Materials of Food Packaging Technology

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The correct option is (a) Total chlorine free

The best explanation: The term TCF in chlorine bleaching stands for total chlorine free bleaching. This  has been introduced to enable pulp and paper mills to meet tough new antipollution laws and regulations, and to conserve wood, chemicals and energy.

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