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Method of making mechanical and chemi-mechanical papermaking pulp. EP 0413736 A1
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering. (FSCN - High Yield Pulping Research Profile)
STFI.
Innventia (STFI).
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering. (High Yield Pulping Research Profile)
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1991 (English)Patent (Other (popular science, discussion, etc.))
Abstract [en]

The invention relates to a mechanical manufacturing process and chemical mechanical pulp with low energy input by disintegrating and refining material wood pile in at least two stages. According to the invention, the material undergoes a coarse disintegration in a first step at a concentration exceeding 20%, neutralized acid groups in the wood material, said material then diluted until a concentration of 1 to 10% and is refined in one or more steps.

Place, publisher, year, edition, pages
1991.
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:miun:diva-29422OAI: oai:DiVA.org:miun-29422DiVA: diva2:1051896
Patent
EP 0413736 A1 (1991-02-27)
Available from: 2016-12-05 Created: 2016-12-05 Last updated: 2016-12-13Bibliographically approved

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Engstrand, Per

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