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Pulp to be used for white paper is bleached
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∙ 13y ago
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What is Pulp yield?
There are two type of pulp yield . Cooking Yield and Bleached Yield. Cooking yield = Bleached Yield/Total loss ( Blow tank to Final stage) Bleached Yield = Pulp produced in ADT X 0.9/Chip consumed (ODT)
What does Parsons and Whittemore make?
Parsons and Whittemore is a world leader in the production of both market pulp and bleached kraft pulp
What is NBSK?
NBSK is short for northern bleached softwood kraft market pulp
How is pulp washed?
Pulp is washed at two different junctures in a chemical pulping process The Brown Stock is washed following the digester and the Bleached Stock is washed with multi stage bleach.
Cellulose content of bleaching pulp?
Bleached chemical pulps consists of more than 90% cellulose. The balance are hemicellulose.
What is color paper?
Paper pulp is grayish or brownish-gray when first made. If left untreated, it will remain that same grayish color. To alter the color, the pulp is bleached, and then to make the finished product in the myriad of colors that are available, dies are added.
What material is in a tea bag?
They can be paper, silk or plastic. They can be a blend of wood and vegetable fibers. The vegetable fiber is bleached pulp abaca hemp, a small tree grown for its fiber.
Why is tissue white?
"Tissue" is a little ambiguous here. If you mean "tissues like for example Kleenex", they're white because the wood pulp used to make them is bleached so that it will be white (the natural color would be a sort of brownish, but that looks "dirty", so they're usually bleached first and then re-tinted if desired).
What has the author Wendy Jane Lyn written?
Wendy Jane Lyn has written: 'The influence of nutrients on the removal of chlorinated organic compounds from bleached kraft pulp mill effluent in activated sludge treatment'
Can you still get DNA from bleached hair?
Depends how bleached it is. If it's bleached out completely, no.
What is writing materials especially paper and envelopes consist of?
Writing materials like paper and envelopes are typically made from wood pulp obtained from trees. The pulp is processed, bleached, and pressed into sheets for paper and envelopes. Sometimes, recycled materials or alternative fibers like cotton or hemp may also be used in the production of these items.
Is solid white board used for hardback books?
Yes. A high quality cardboard made from quality bleached wood pulp. It is the best card for printing onto and consequently used for hard back books and more expensive items. (:
