Condebelt press drying and sustainable paper cycle

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)

Abstract

The Condebelt process is based on the condensing belt principle and it is a very promising method, offering several advantages over conventional cylinder drying. At the moment, it is best suited to board grades, but it has also a considerable potential with paper grades. In this process drying shrinkage of the web is eliminated, and even stiff fibers can effectively be plasticized and bonded to each other. Compared to cylinder drying, this results in improved strength properties, especially in the cross-machine direction. This drying process offers opportunities for lowering the grammage of board, reducing the weight of corrugated boxes, increasing the use of recycled furnishes and high-yield pulps. The disintegration of condensing belt dried board needs slightly more energy than cylinder-dried board. However, the recyclability of the board is good, especially when the re-made web is dried using the condensing belt process. The deterioration of board properties after multiple recycling and condensing belt drying is quite moderate. This shows that condensation belt drying can form part of a ecologically sustainable paper cycle.
Original languageEnglish
Pages (from-to)329-333
Number of pages5
JournalPaperi ja puu
Volume85
Issue number6
Publication statusPublished - 2003
MoE publication typeA1 Journal article-refereed

Fingerprint

belts (equipment)
Drying
drying
boxes (containers)
Disintegration
shrinkage
recycling
Pulp
pulp
Deterioration
press
Recycling
condensation
Condensation
deterioration
Fibers
energy

Cite this

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title = "Condebelt press drying and sustainable paper cycle",
abstract = "The Condebelt process is based on the condensing belt principle and it is a very promising method, offering several advantages over conventional cylinder drying. At the moment, it is best suited to board grades, but it has also a considerable potential with paper grades. In this process drying shrinkage of the web is eliminated, and even stiff fibers can effectively be plasticized and bonded to each other. Compared to cylinder drying, this results in improved strength properties, especially in the cross-machine direction. This drying process offers opportunities for lowering the grammage of board, reducing the weight of corrugated boxes, increasing the use of recycled furnishes and high-yield pulps. The disintegration of condensing belt dried board needs slightly more energy than cylinder-dried board. However, the recyclability of the board is good, especially when the re-made web is dried using the condensing belt process. The deterioration of board properties after multiple recycling and condensing belt drying is quite moderate. This shows that condensation belt drying can form part of a ecologically sustainable paper cycle.",
author = "Elias Retulainen",
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Condebelt press drying and sustainable paper cycle. / Retulainen, Elias.

In: Paperi ja puu, Vol. 85, No. 6, 2003, p. 329-333.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Condebelt press drying and sustainable paper cycle

AU - Retulainen, Elias

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AB - The Condebelt process is based on the condensing belt principle and it is a very promising method, offering several advantages over conventional cylinder drying. At the moment, it is best suited to board grades, but it has also a considerable potential with paper grades. In this process drying shrinkage of the web is eliminated, and even stiff fibers can effectively be plasticized and bonded to each other. Compared to cylinder drying, this results in improved strength properties, especially in the cross-machine direction. This drying process offers opportunities for lowering the grammage of board, reducing the weight of corrugated boxes, increasing the use of recycled furnishes and high-yield pulps. The disintegration of condensing belt dried board needs slightly more energy than cylinder-dried board. However, the recyclability of the board is good, especially when the re-made web is dried using the condensing belt process. The deterioration of board properties after multiple recycling and condensing belt drying is quite moderate. This shows that condensation belt drying can form part of a ecologically sustainable paper cycle.

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VL - 85

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EP - 333

JO - Paperi ja puu

JF - Paperi ja puu

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