PoplarV1, Main, Exploration, bibRecord, 002806

Adsorption of lignocelluloses of pre-hydrolysis liquor on calcium carbonate to induce functional filler.

Identifieur interne : 002806 ( Main/Exploration ); précédent : 002805; suivant : 002807

Adsorption of lignocelluloses of pre-hydrolysis liquor on calcium carbonate to induce functional filler.

Auteurs : Pedram Fatehi [Canada] ; Fadia C. Hamdan ; Yonghao Ni

Source :

Carbohydrate polymers [ 1879-1344 ] ; 2013.

RBID : pubmed:23544571

Descripteurs français

KwdFr :
- Acer (composition chimique), Adsorption (MeSH), Betula (composition chimique), Bois (composition chimique), Carbonate de calcium (composition chimique), Cinétique (MeSH), Concentration en ions d'hydrogène (MeSH), Hydrolyse (MeSH), Lignine (composition chimique), Populus (composition chimique), Résines acryliques (composition chimique), Température (MeSH).
MESH :
- composition chimique : Acer, Betula, Bois, Carbonate de calcium, Lignine, Populus, Résines acryliques.
- Adsorption, Cinétique, Concentration en ions d'hydrogène, Hydrolyse, Température.

English descriptors

KwdEn :
- Acer (chemistry), Acrylic Resins (chemistry), Adsorption (MeSH), Betula (chemistry), Calcium Carbonate (chemistry), Hydrogen-Ion Concentration (MeSH), Hydrolysis (MeSH), Kinetics (MeSH), Lignin (chemistry), Populus (chemistry), Temperature (MeSH), Wood (chemistry).
MESH :
- chemical , chemistry : Acrylic Resins, Calcium Carbonate, Lignin.
- chemistry : Acer, Betula, Populus, Wood.
- Adsorption, Hydrogen-Ion Concentration, Hydrolysis, Kinetics, Temperature.

Abstract

In this work, we aimed at adsorbing the oligo-sugars of prehydrolysis liquor on precipitated calcium carbonate (PCC) to produce modified PCC. The results showed that the adsorptions of oligo-sugars, lignin and furfural were greater on porous PCC (PCC2) than on nano-sized PCC (PCC1) due to the larger surface area of PCC2. The adsorption reached its maximum in 5 h on PCC1, but it gradually increased on PCC2 due to the diffusion of oligo-sugars and lignin into the pores of PCC2. Also, the experimental isotherm and kinetic results were well fitted into Langmuir and pseudo-second order models, respectively. The adsorption was greater at a lower temperature (i.e. 40°C) and pH (i.e. 7). Alternatively, cationic poly acrylamide (CPAM) was added to the PHL/PCC system, which led to more promising results (than that to PHL/PCC system) with the maximum lignocelluloses adsorption of 0.36 g/g on PCC2, among which 0.22 g/g was oligo-sugars.

DOI: 10.1016/j.carbpol.2013.01.081
PubMed: 23544571

Affiliations:

Canada

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Le document en format XML

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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acer (chemistry)</term>
<term>Acrylic Resins (chemistry)</term>
<term>Adsorption (MeSH)</term>
<term>Betula (chemistry)</term>
<term>Calcium Carbonate (chemistry)</term>
<term>Hydrogen-Ion Concentration (MeSH)</term>
<term>Hydrolysis (MeSH)</term>
<term>Kinetics (MeSH)</term>
<term>Lignin (chemistry)</term>
<term>Populus (chemistry)</term>
<term>Temperature (MeSH)</term>
<term>Wood (chemistry)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Acer (composition chimique)</term>
<term>Adsorption (MeSH)</term>
<term>Betula (composition chimique)</term>
<term>Bois (composition chimique)</term>
<term>Carbonate de calcium (composition chimique)</term>
<term>Cinétique (MeSH)</term>
<term>Concentration en ions d'hydrogène (MeSH)</term>
<term>Hydrolyse (MeSH)</term>
<term>Lignine (composition chimique)</term>
<term>Populus (composition chimique)</term>
<term>Résines acryliques (composition chimique)</term>
<term>Température (MeSH)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Acrylic Resins</term>
<term>Calcium Carbonate</term>
<term>Lignin</term>
</keywords>
<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Acer</term>
<term>Betula</term>
<term>Populus</term>
<term>Wood</term>
</keywords>
<keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Acer</term>
<term>Betula</term>
<term>Bois</term>
<term>Carbonate de calcium</term>
<term>Lignine</term>
<term>Populus</term>
<term>Résines acryliques</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Adsorption</term>
<term>Hydrogen-Ion Concentration</term>
<term>Hydrolysis</term>
<term>Kinetics</term>
<term>Temperature</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Adsorption</term>
<term>Cinétique</term>
<term>Concentration en ions d'hydrogène</term>
<term>Hydrolyse</term>
<term>Température</term>
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<front><div type="abstract" xml:lang="en">In this work, we aimed at adsorbing the oligo-sugars of prehydrolysis liquor on precipitated calcium carbonate (PCC) to produce modified PCC. The results showed that the adsorptions of oligo-sugars, lignin and furfural were greater on porous PCC (PCC2) than on nano-sized PCC (PCC1) due to the larger surface area of PCC2. The adsorption reached its maximum in 5 h on PCC1, but it gradually increased on PCC2 due to the diffusion of oligo-sugars and lignin into the pores of PCC2. Also, the experimental isotherm and kinetic results were well fitted into Langmuir and pseudo-second order models, respectively. The adsorption was greater at a lower temperature (i.e. 40°C) and pH (i.e. 7). Alternatively, cationic poly acrylamide (CPAM) was added to the PHL/PCC system, which led to more promising results (than that to PHL/PCC system) with the maximum lignocelluloses adsorption of 0.36 g/g on PCC2, among which 0.22 g/g was oligo-sugars.</div>
</front>
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<Title>Carbohydrate polymers</Title>
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<ArticleTitle>Adsorption of lignocelluloses of pre-hydrolysis liquor on calcium carbonate to induce functional filler.</ArticleTitle>
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<Abstract><AbstractText>In this work, we aimed at adsorbing the oligo-sugars of prehydrolysis liquor on precipitated calcium carbonate (PCC) to produce modified PCC. The results showed that the adsorptions of oligo-sugars, lignin and furfural were greater on porous PCC (PCC2) than on nano-sized PCC (PCC1) due to the larger surface area of PCC2. The adsorption reached its maximum in 5 h on PCC1, but it gradually increased on PCC2 due to the diffusion of oligo-sugars and lignin into the pores of PCC2. Also, the experimental isotherm and kinetic results were well fitted into Langmuir and pseudo-second order models, respectively. The adsorption was greater at a lower temperature (i.e. 40°C) and pH (i.e. 7). Alternatively, cationic poly acrylamide (CPAM) was added to the PHL/PCC system, which led to more promising results (than that to PHL/PCC system) with the maximum lignocelluloses adsorption of 0.36 g/g on PCC2, among which 0.22 g/g was oligo-sugars.</AbstractText>
<CopyrightInformation>Copyright © 2013 Elsevier Ltd. All rights reserved.</CopyrightInformation>
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<NameOfSubstance UI="D000180">Acrylic Resins</NameOfSubstance>
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<Chemical><RegistryNumber>11132-73-3</RegistryNumber>
<NameOfSubstance UI="C036909">lignocellulose</NameOfSubstance>
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<Chemical><RegistryNumber>9003-05-8</RegistryNumber>
<NameOfSubstance UI="C016679">polyacrylamide</NameOfSubstance>
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<Chemical><RegistryNumber>9005-53-2</RegistryNumber>
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Adsorption of lignocelluloses of pre-hydrolysis liquor on calcium carbonate to induce functional filler.

Adsorption of lignocelluloses of pre-hydrolysis liquor on calcium carbonate to induce functional filler.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki