Stabilization of Potentially Sticky Substances in Pulp Mill Process Water with Polysaccharides
Characterization of the dissolved and colloidal substances (DCS) in the process water of a bleached chemithermomechanical pulp (BCTMP) production line showed that the major lipophilic substances (wood resins) were dehydroabietic acid, linoleic acid, oleic acid, and palmitic acid. Model compound expe...
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North Carolina State University
2015-06-01
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doaj-c4de056df50946ebbd9a9bdcb3b2834e2020-11-24T23:52:05ZengNorth Carolina State UniversityBioResources1930-21261930-21262015-06-011034922493210.15376/biores.10.3.4922-4932Stabilization of Potentially Sticky Substances in Pulp Mill Process Water with PolysaccharidesBingyun Li0Chunhui Zhang1Shiyu Fu2Yu Liu3State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, 510640, China; ChinaState Key Lab. of Pulp and Paper Engineering, South China University of Technology; ChinaState Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, 510640, China; ChinaKey Laboratory of Pulp and Paper Science and Technology of Ministry of Education, Qilu University of Technology, Jinan, 250353, China; ChinaCharacterization of the dissolved and colloidal substances (DCS) in the process water of a bleached chemithermomechanical pulp (BCTMP) production line showed that the major lipophilic substances (wood resins) were dehydroabietic acid, linoleic acid, oleic acid, and palmitic acid. Model compound experiments indicated that polysaccharides contained in DCS had significant effects on the stability of the system. Effects of neutral and acidic polysaccharides on the stability of wood resins (model resin acid R and fatty acid O) in the presence of metal ions were then investigated. No calcium-induced aggregation occurred when the concentration ratio of added neutral polysaccharide to R and O exceeded 0.2 and 1.0, respectively. Acidic polysaccharide could further degrade the stability of resin dispersions in the presence of calcium ions and yet have a positive effect in the presence of only sodium ions.http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_10_3_4922_Li_Stabilization_Sticky_Substance_Pulp_MillMetal ionProcess waterStabilizationPolysaccharide |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Bingyun Li Chunhui Zhang Shiyu Fu Yu Liu |
spellingShingle |
Bingyun Li Chunhui Zhang Shiyu Fu Yu Liu Stabilization of Potentially Sticky Substances in Pulp Mill Process Water with Polysaccharides BioResources Metal ion Process water Stabilization Polysaccharide |
author_facet |
Bingyun Li Chunhui Zhang Shiyu Fu Yu Liu |
author_sort |
Bingyun Li |
title |
Stabilization of Potentially Sticky Substances in Pulp Mill Process Water with Polysaccharides |
title_short |
Stabilization of Potentially Sticky Substances in Pulp Mill Process Water with Polysaccharides |
title_full |
Stabilization of Potentially Sticky Substances in Pulp Mill Process Water with Polysaccharides |
title_fullStr |
Stabilization of Potentially Sticky Substances in Pulp Mill Process Water with Polysaccharides |
title_full_unstemmed |
Stabilization of Potentially Sticky Substances in Pulp Mill Process Water with Polysaccharides |
title_sort |
stabilization of potentially sticky substances in pulp mill process water with polysaccharides |
publisher |
North Carolina State University |
series |
BioResources |
issn |
1930-2126 1930-2126 |
publishDate |
2015-06-01 |
description |
Characterization of the dissolved and colloidal substances (DCS) in the process water of a bleached chemithermomechanical pulp (BCTMP) production line showed that the major lipophilic substances (wood resins) were dehydroabietic acid, linoleic acid, oleic acid, and palmitic acid. Model compound experiments indicated that polysaccharides contained in DCS had significant effects on the stability of the system. Effects of neutral and acidic polysaccharides on the stability of wood resins (model resin acid R and fatty acid O) in the presence of metal ions were then investigated. No calcium-induced aggregation occurred when the concentration ratio of added neutral polysaccharide to R and O exceeded 0.2 and 1.0, respectively. Acidic polysaccharide could further degrade the stability of resin dispersions in the presence of calcium ions and yet have a positive effect in the presence of only sodium ions. |
topic |
Metal ion Process water Stabilization Polysaccharide |
url |
http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_10_3_4922_Li_Stabilization_Sticky_Substance_Pulp_Mill |
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1725474981618384896 |