Výsledky vyhledávání - "Enginyeria paperera::Pasta paperera [Àrees temàtiques de la UPC]"

A straightforward bioprocess for a cleaner paper decolorization

Autor: Antonio L. Torres, Cristina Valls, Teresa Vidal, Oriol Cusola, M. Blanca Roncero

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname

A new biotechnological sequence for decolorizing red and black colored paper was developed to reduce the environmental impact of the chemicals used in paper recycling processes. Commercially available low-redox potential laccase from Myceliophthora t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6c52f71bc74baffcfee69321a295114

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Facilitating the selection of raw materials: evaluation of the effects of TCF and ECF bleaching sequences on different wood and non-wood pulps

Autor: Beltramino, F., M.Blanca Roncero, Vidal, T., Valls, C.

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Scopus-Elsevier
Afinidad. Revista de química teórica y aplicada; Vol. 75, Núm. 582 (2018)
Afinidad; Vol. 75, Núm. 582 (2018)
Recercat. Dipósit de la Recerca de Catalunya
instname
Publons

Properties of cellulosic raw materials are known to vary widely among different sources. The interest in the usage of non-conventional fibers makes necessary a better knowledge of the peculiarities of each source and their behavior under different bl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::3dd8a41c24b955a3ca38c6fbe11e491e
http://hdl.handle.net/2117/119134

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Wet strength development in sisal cellulose fibers by effect of a laccase–TEMPO treatment

Autor: Elisabetta Aracri, Teresa Vidal, Arthur J. Ragauskas

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname

The aim of this study was to investigate the oxidation of sisal pulp fibers by laccase–TEMPO system which had never previously been examined. High cellulose content sisal fibers were treated with laccase from Trametes villosa and a varying amount o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5c71426dddea7a69ff17340152638756
https://doi.org/10.1016/j.carbpol.2011.01.046

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Estudi de la modificació de suports cel·lulòsics per a l'obtenció de dispositius microfluídics

Autor: Brañes Hipolito, Joan Carles

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname

Els dispositius microfluídics en suport cel·lulòsic ofereixen un nou sistema per al maneig de fluids i anàlisi de l’analit per a una gran varietat d'aplicacions, incloent el diagnòstic de salut, la vigilància ambiental i la qualitat dels alim

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::8952507266e75e909a94aea324a6423d
https://hdl.handle.net/2117/174721

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Effects of a cellulase treatment on the preparation process and final properties of nanocrystalline cellulose

Autor: Beltramino Heffes, Facundo, Roncero Vivero, María Blanca, Vidal Lluciá, Teresa, Torres López, Antonio Luis, Valls Vidal, Cristina

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname

In this work, we introduced an enzymatic treatment with a cellulase prior to NCC isolation from fibers via sulfuric acid hydrolysis, combining biotechnological and chemical procedures. NCC isolation process has typically presented low yields, and bec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::84df425687c37ca4d4e06edb61766b0e
http://hdl.handle.net/2117/78413

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Comparative evaluation of the action of two different endoglucanases. Part II: on a biobleached acid sulphite pulp

Autor: Elisabet Quintana, M. Blanca Roncero, Teresa Vidal, Cristina Valls

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
Universitat Jaume I

A TCF sulphite pulp, bleached at the laboratory scale with a laccase–violuric acid system and complemented with a pressurized hydrogen peroxide stage, was treated with two endoglucanases, one obtained from Paenibacillus barcinonensis (B) and the ot

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::abfd8dd05b7fe3b574e71918ff761093
http://hdl.handle.net/2117/27934

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Endoglucanase treatments for improving pulp reactivity in biobleached and commercial dissolving pulps

Autor: Quintana, Elisabet, Valls Vidal, Cristina, Vidal Lluciá, Teresa, Roncero Vivero, María Blanca

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname

In this study, a bleached commercial dissolving pulp and a TCF sulphite pulp, bleached at the laboratory scale with a laccase–violuric acid system and complemented with a pressurized hydrogen peroxide stage (LVAPO), were treated with two endoglucan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::f2cc81a15a8cf7f13c392dd5985307f0
http://hdl.handle.net/2117/79389

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Structural insights on laccase biografting of ferulic acid onto lignocellulosic fibers

Autor: Antonio L. Torres, Ana Gutiérrez, José C. del Río, Teresa Vidal, Ángel T. Martínez, Jorge Rencoret, Elisabetta Aracri

Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
Universitat Jaume I
Digital.CSIC. Repositorio Institucional del CSIC
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

8 páginas.-- 4 figuras.-- 1 tabla.-- 37 referencias.-- Un archivo en pdf. de datos suplementarios (3 páginas.-- 1 figura.-- 1 tabla)
Treatment of high-kappa sisal pulp with Trametes villosa laccase and ferulic acid resulted in strong increases

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cbc51a18a949631a0a496346519b02b2
https://hdl.handle.net/2117/23217

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Enzymatic strategies to improve removal of hexenuronic acids and lignin from cellulosic fibers

Autor: M. Blanca Roncero, Cristina Valls, Teresa Vidal

Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
Universitat Jaume I
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

Different enzymatic strategies were applied to improve lignin and hexenuronic acid (HexA) removal. Three laccases (L) with different redox potentials were applied in combination with 1-hydroxybenzotriazole or methyl syringate to softwood sulfite and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a937f58607c0252a3373c084ff4e4d67
https://hdl.handle.net/2117/21412

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Xylanase treatment of eucalyptus pulps in different chemical bleaching stages

Autor: Ariza, María, Barneto, A. G., Vidal Lluciá, Teresa, Ariza, J.

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
Universitat Jaume I

Xylanase significantly reduces the kappa number but almost not modifies brightness and viscosity in studied pulps. On average, xylanase decreases the kappa number of chemical pulps 25 %. This intense effect on the kappa number can be explained by enz

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::c7996a37505a6a8faa47bcaf58afeb25
https://hdl.handle.net/2117/23463

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