Drying of foam-formed mats from virgin pine fibers

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

Abstract

The purpose of this work was to select an efficient drying technique for drying of highly porous thick fiber foam mats with minimum impact on their structure after forming and drainage. Thick fiber mats were produced from wood fibers using foam-forming technology and dried using several different drying methods. The mixture of pine fibers and surfactant (foaming agent) in water was blended using a high-speed blender. After fiber foam generation, a sample mold was filled with wet fiber foam, and after drainage, drying experiments were performed. For comparison, experiments were carried out in an oven, an impingement dryer assisted with a vacuum, and a combined impingement-infrared dryer. At low moisture contents, through-air drying experiments were also carried out. Drying curves, temperature profiles, and shrinkage were measured from the produced mat structures. The most promising drying technique in this study was the combined impingement-infrared drying, used until the fiber mat became permeable, followed by through-air drying until the desired final moisture content was achieved.
Original languageEnglish
Pages (from-to)1210-1218
JournalDrying Technology
Volume34
Issue number10
DOIs
Publication statusPublished - 2016
MoE publication typeA1 Journal article-refereed

Fingerprint

foams
drying
Foams
Drying
fibers
Fibers
impingement
drying apparatus
Drainage
drainage
moisture content
Infrared drying
Moisture
Driers (materials)
Blowing agents
Experiments
foaming
Ovens
Air
air

Keywords

  • drying kinetics
  • drying methods
  • drying rate
  • foam-formed mat
  • shrinkage

Cite this

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title = "Drying of foam-formed mats from virgin pine fibers",
abstract = "The purpose of this work was to select an efficient drying technique for drying of highly porous thick fiber foam mats with minimum impact on their structure after forming and drainage. Thick fiber mats were produced from wood fibers using foam-forming technology and dried using several different drying methods. The mixture of pine fibers and surfactant (foaming agent) in water was blended using a high-speed blender. After fiber foam generation, a sample mold was filled with wet fiber foam, and after drainage, drying experiments were performed. For comparison, experiments were carried out in an oven, an impingement dryer assisted with a vacuum, and a combined impingement-infrared dryer. At low moisture contents, through-air drying experiments were also carried out. Drying curves, temperature profiles, and shrinkage were measured from the produced mat structures. The most promising drying technique in this study was the combined impingement-infrared drying, used until the fiber mat became permeable, followed by through-air drying until the desired final moisture content was achieved.",
keywords = "drying kinetics, drying methods, drying rate, foam-formed mat, shrinkage",
author = "Timofeev, {Oleg N.} and Petri Jetsu and Kiiskinen, {Harri T.} and Ker{\"a}nen, {Janne T.}",
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language = "English",
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pages = "1210--1218",
journal = "Drying Technology",
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}

Drying of foam-formed mats from virgin pine fibers. / Timofeev, Oleg N. (Corresponding Author); Jetsu, Petri; Kiiskinen, Harri T.; Keränen, Janne T.

In: Drying Technology, Vol. 34, No. 10, 2016, p. 1210-1218.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Drying of foam-formed mats from virgin pine fibers

AU - Timofeev, Oleg N.

AU - Jetsu, Petri

AU - Kiiskinen, Harri T.

AU - Keränen, Janne T.

PY - 2016

Y1 - 2016

N2 - The purpose of this work was to select an efficient drying technique for drying of highly porous thick fiber foam mats with minimum impact on their structure after forming and drainage. Thick fiber mats were produced from wood fibers using foam-forming technology and dried using several different drying methods. The mixture of pine fibers and surfactant (foaming agent) in water was blended using a high-speed blender. After fiber foam generation, a sample mold was filled with wet fiber foam, and after drainage, drying experiments were performed. For comparison, experiments were carried out in an oven, an impingement dryer assisted with a vacuum, and a combined impingement-infrared dryer. At low moisture contents, through-air drying experiments were also carried out. Drying curves, temperature profiles, and shrinkage were measured from the produced mat structures. The most promising drying technique in this study was the combined impingement-infrared drying, used until the fiber mat became permeable, followed by through-air drying until the desired final moisture content was achieved.

AB - The purpose of this work was to select an efficient drying technique for drying of highly porous thick fiber foam mats with minimum impact on their structure after forming and drainage. Thick fiber mats were produced from wood fibers using foam-forming technology and dried using several different drying methods. The mixture of pine fibers and surfactant (foaming agent) in water was blended using a high-speed blender. After fiber foam generation, a sample mold was filled with wet fiber foam, and after drainage, drying experiments were performed. For comparison, experiments were carried out in an oven, an impingement dryer assisted with a vacuum, and a combined impingement-infrared dryer. At low moisture contents, through-air drying experiments were also carried out. Drying curves, temperature profiles, and shrinkage were measured from the produced mat structures. The most promising drying technique in this study was the combined impingement-infrared drying, used until the fiber mat became permeable, followed by through-air drying until the desired final moisture content was achieved.

KW - drying kinetics

KW - drying methods

KW - drying rate

KW - foam-formed mat

KW - shrinkage

U2 - 10.1080/07373937.2015.1103254

DO - 10.1080/07373937.2015.1103254

M3 - Article

VL - 34

SP - 1210

EP - 1218

JO - Drying Technology

JF - Drying Technology

SN - 0737-3937

IS - 10

ER -