Talk:Pulp (paper)

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Untitled

what trees make the best paper — Preceding unsigned comment added by 206.176.108.132 (talk) 15:12, 1 December 2005 (UTC)[reply]

Does this page merit mentio of handling wood pulp in sheets? I've read the idea originated by Joseph Stewart Hughes at Chesley Corner, NS, in 1902. Trekphiler 05:12, 8 December 2005 (UTC)[reply]

merge proposal

I think that this article is covering most of the same topic as pulping and these should be merged. — Preceding unsigned comment added by Langbein Rise (talk • contribs) 07:58, 2 February 2011 (UTC) Done[reply]

Since noone objected to this, I took the liberty to do it. --Langbein Rise (talk) 10:32, 11 April 2011 (UTC)[reply]

Maaike Kroon's process

I'm not sure bu is the chemical pulping the process that uses Maaike Kroon's seperation agent, or is this simply not mentioned yet in the article (in which case it needs adding). See http://www.tue.nl/en/university/news-and-press/news/06-02-2014-tue-signs-agreement-with-paper-industry-for-research-into-revolutionary-solvent/ — Preceding unsigned comment added by Genetics4good (talk • contribs) 09:12, 24 November 2014 (UTC)[reply]

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the general definition of "pulp" is too specific

Sixta reference, 'The wood fiber sources required for pulping are "45% sawmill residue, 21% logs and chips, and 34% recycled paper" (Canada, 2014)' just doesn't belong at the head. The rest is general enough, and covers the concept of paper pulp from its inception until current times. I'm fixin' to figure out where to put the Sixta quote, which is also unclear. Is it the sources for pulp currently, worldwide? for ALL pulp? if it pretends to include cardboard, I feel the logs and chips number is low... YamaPlos talk 13:42, 14 July 2017 (UTC)[reply]

also added rags as a source for pulp, very minor today, it's true, but used to be 100% the source for medieval and early modern paperYamaPlos talk 13:52, 14 July 2017 (UTC)[reply]

When was it

There seems to be an internal contradiction in the History section. It's possible I'm misinterpreting it, but if so other readers may do the same. Perhaps this could be either corrected or at least clarified.

"Pulp for papermaking was produced by macerating mulberry bark as early as the 2nd century in Han dynasty China...."

"Using wood pulp to make paper is a fairly recent innovation, that was almost concurrent to the invention of automatic papermaking machines...."

Alden Loveshade (talk) 02:12, 3 April 2018 (UTC)[reply]

Perhaps some clarification is necessary on the term "wood pulp", as it refers to a different raw source material than kozo (mulberry) which has been used in China since the 2nd century.

On a similar note, this article is labeled generally as "Pulp (paper)" but seems to have a significant post-industrial wood pulp focused, even promoting, tone. Perhaps a more objective survey and rewrite is in order for the future.

I'll revise the mulberry/wood pulp sections for clarity.

MeeshKapiche (talk) 19:10, 15 April 2020 (UTC)[reply]

Contradictions

Some statements in the Alternatives to wood pulp section look contradictory to me. It says, "That means agricultural-based paper uses less energy, less water and fewer chemicals," and "Non-wood pulp processing requires a high use of water and energy." I couldn't check the source of the latter statement because my security software said it is a dangerous site to visit. Also, the title for the source is in Chinese; if the source is in Chinese, I won't be able to read it. Nine hundred ninety-nine (talk) 18:49, 7 July 2018 (UTC)[reply]

Eucalyptus

The article states:

"coniferous trees are preferred because the cellulose fibers in the pulp of these species are longer, and therefore make stronger paper. Some of the most commonly used softwood trees for paper making include spruce, pine, fir, larch and hemlock, and hardwoods such as eucalyptus, aspen and birch"

Eucalyptus has short fibres. 79.106.203.67 (talk) 08:28, 11 May 2024 (UTC)[reply]