Question

used in preaping of wood pulp
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Answer 1

Answer:

Chemical wood pulp is made by cooking wood chips with chemical solutions in digesters operated at elevated temperature and pressure. The chemicals used are sulfite salts with an excess of sulfur dioxide and caustic soda and sodium sulfide (the kraft process).

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Answer 2

Chemical wood pulp is made by cooking wood chips with chemical solutions in digesters operated at elevated temperature and pressure.

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