On-Site Recovery of Hemicelluloses from Thermomechanical Pulp Mill Process Water by Microfiltration and Ultrafiltration
Thuvander, Johan LU ; Lipnizki, Frank LU
and Jönsson, Ann Sofi
LU
(2019)
In Journal of Wood Chemistry and Technology
39(3).
p.214-223
- Abstract
During mechanical defibration of wood, a minor fraction of the wood mass is dissolved in the process water. These dissolved substances represent an extra energy demand when they are treated in the mill’s wastewater treatment plant. Galactoglucomannan, the main hemicellulose in spruce, can be recovered from thermomechanical pulp mill process water by a process based on microfiltration (MF) and ultrafiltration (UF). The purpose of this work was to study the scale-up of the process from laboratory scale to continuous industrial scale. MF was first studied in the laboratory, and then combined with UF in a continuous pilot process on-site at a pulp mill. The data obtained were used to estimate the cost of the membrane processes for... (More)
During mechanical defibration of wood, a minor fraction of the wood mass is dissolved in the process water. These dissolved substances represent an extra energy demand when they are treated in the mill’s wastewater treatment plant. Galactoglucomannan, the main hemicellulose in spruce, can be recovered from thermomechanical pulp mill process water by a process based on microfiltration (MF) and ultrafiltration (UF). The purpose of this work was to study the scale-up of the process from laboratory scale to continuous industrial scale. MF was first studied in the laboratory, and then combined with UF in a continuous pilot process on-site at a pulp mill. The data obtained were used to estimate the cost of the membrane processes for galactoglucomannan recovery which was found to be about €1160 per ton hemicelluloses.
(Less)
- author
- Thuvander, Johan
LU
; Lipnizki, Frank
LU
and Jönsson, Ann Sofi
LU
- organization
- publishing date
- 2019-02-26
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- galactoglucomannan, hemicelluloses, Microfiltration, thermomechanical pulp, ultrafiltration
- in
- Journal of Wood Chemistry and Technology
- volume
- 39
- issue
- 3
- pages
- 214 - 223
- publisher
- Taylor & Francis
- external identifiers
-
- scopus:85062342681
- ISSN
- 0277-3813
- DOI
- 10.1080/02773813.2019.1565865
- language
- English
- LU publication?
- yes
- id
- 2947f1e4-f1e8-49df-9033-b4df5a8166df
- date added to LUP
- 2019-03-14 08:21:33
- date last changed
- 2023-11-18 16:22:52
@article{2947f1e4-f1e8-49df-9033-b4df5a8166df,
abstract = {{<p>During mechanical defibration of wood, a minor fraction of the wood mass is dissolved in the process water. These dissolved substances represent an extra energy demand when they are treated in the mill’s wastewater treatment plant. Galactoglucomannan, the main hemicellulose in spruce, can be recovered from thermomechanical pulp mill process water by a process based on microfiltration (MF) and ultrafiltration (UF). The purpose of this work was to study the scale-up of the process from laboratory scale to continuous industrial scale. MF was first studied in the laboratory, and then combined with UF in a continuous pilot process on-site at a pulp mill. The data obtained were used to estimate the cost of the membrane processes for galactoglucomannan recovery which was found to be about €1160 per ton hemicelluloses.</p>}},
author = {{Thuvander, Johan and Lipnizki, Frank and Jönsson, Ann Sofi}},
issn = {{0277-3813}},
keywords = {{galactoglucomannan; hemicelluloses; Microfiltration; thermomechanical pulp; ultrafiltration}},
language = {{eng}},
month = {{02}},
number = {{3}},
pages = {{214--223}},
publisher = {{Taylor & Francis}},
series = {{Journal of Wood Chemistry and Technology}},
title = {{On-Site Recovery of Hemicelluloses from Thermomechanical Pulp Mill Process Water by Microfiltration and Ultrafiltration}},
url = {{http://dx.doi.org/10.1080/02773813.2019.1565865}},
doi = {{10.1080/02773813.2019.1565865}},
volume = {{39}},
year = {{2019}},
}