Pulp bleaching using laccase from Trametes versicolor under high temperature and alkaline conditions
Kraft pulp was delignified using laccase produced by the white rot fungus Trametes versicolor immobilized in solid support under specific conditions. The stability tests showed that this enzyme was stable for 6 h at 55 degrees C and pH 8.0, allowing its use under pH and temperature conditions very c...
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| Veröffentlicht in: | Applied biochemistry and biotechnology 1998-03, Vol.70 (1), p.983-993 |
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| container_title | Applied biochemistry and biotechnology |
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| creator | Monteiro, M.C. (Faculdade de Engenharia Quimica de Lorena, Lorena, SP, Brazil.) Carvalho, M.E.A. de |
| description | Kraft pulp was delignified using laccase produced by the white rot fungus Trametes versicolor immobilized in solid support under specific conditions. The stability tests showed that this enzyme was stable for 6 h at 55 degrees C and pH 8.0, allowing its use under pH and temperature conditions very close to those used in industrial bleaching. In this work, unbleached hardwood Kraft pulp was submitted to prebleaching using 2 U laccase/g pulp basis. Reaction time, temperature, and pH of the enzymatic treatment were investigated. Good results regarding Kappa number reduction, selectivities, and high viscosities were obtained when prebleaching was performed for 1 h at temperature of 55 degrees C and pH 8.0 followed by alkaline extraction and ECF bleaching sequences |
| doi_str_mv | 10.1007/BF02920208 |
| format | Article |
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(Faculdade de Engenharia Quimica de Lorena, Lorena, SP, Brazil.) ; Carvalho, M.E.A. de</creator><creatorcontrib>Monteiro, M.C. (Faculdade de Engenharia Quimica de Lorena, Lorena, SP, Brazil.) ; Carvalho, M.E.A. de</creatorcontrib><description>Kraft pulp was delignified using laccase produced by the white rot fungus Trametes versicolor immobilized in solid support under specific conditions. The stability tests showed that this enzyme was stable for 6 h at 55 degrees C and pH 8.0, allowing its use under pH and temperature conditions very close to those used in industrial bleaching. In this work, unbleached hardwood Kraft pulp was submitted to prebleaching using 2 U laccase/g pulp basis. Reaction time, temperature, and pH of the enzymatic treatment were investigated. Good results regarding Kappa number reduction, selectivities, and high viscosities were obtained when prebleaching was performed for 1 h at temperature of 55 degrees C and pH 8.0 followed by alkaline extraction and ECF bleaching sequences</description><identifier>ISSN: 0273-2289</identifier><identifier>EISSN: 1559-0291</identifier><identifier>DOI: 10.1007/BF02920208</identifier><identifier>PMID: 18576061</identifier><identifier>CODEN: ABIBDL</identifier><language>eng</language><publisher>Heidelberg: Springer</publisher><subject>Biological and medical sciences ; Biophysics ; Biotechnology ; BLANCHISSEMENT ; BLANQUEADURA ; BLEACHING ; CALOR ; CHALEUR ; CORIOLUS VERSICOLOR ; Enzyme engineering ; Enzymes ; EUCALYPTUS ; Fundamental and applied biological sciences. Psychology ; Fungi ; Hardwoods ; HEAT ; High temperature ; Kinetics ; Kraft pulp ; LACASA ; LACCASE ; Methods. Procedures. Technologies ; Miscellaneous ; PASTA ; PATE CELLULOSIQUE ; pH effects ; PULP ; Stability tests ; TRAMETES ; Trametes versicolor ; White rot</subject><ispartof>Applied biochemistry and biotechnology, 1998-03, Vol.70 (1), p.983-993</ispartof><rights>1998 INIST-CNRS</rights><rights>Humana Press Inc. 1998</rights><rights>Humana Press Inc. 1998.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c354t-ba1baf9fb4643773d5d5acdfca668f17ee3f18c9efd9a476a384eacbcd301e8c3</citedby><cites>FETCH-LOGICAL-c354t-ba1baf9fb4643773d5d5acdfca668f17ee3f18c9efd9a476a384eacbcd301e8c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>309,310,314,780,784,789,790,23930,23931,25140,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2337724$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18576061$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Monteiro, M.C. (Faculdade de Engenharia Quimica de Lorena, Lorena, SP, Brazil.)</creatorcontrib><creatorcontrib>Carvalho, M.E.A. de</creatorcontrib><title>Pulp bleaching using laccase from Trametes versicolor under high temperature and alkaline conditions</title><title>Applied biochemistry and biotechnology</title><addtitle>Appl Biochem Biotechnol</addtitle><description>Kraft pulp was delignified using laccase produced by the white rot fungus Trametes versicolor immobilized in solid support under specific conditions. The stability tests showed that this enzyme was stable for 6 h at 55 degrees C and pH 8.0, allowing its use under pH and temperature conditions very close to those used in industrial bleaching. In this work, unbleached hardwood Kraft pulp was submitted to prebleaching using 2 U laccase/g pulp basis. Reaction time, temperature, and pH of the enzymatic treatment were investigated. 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Technologies</subject><subject>Miscellaneous</subject><subject>PASTA</subject><subject>PATE CELLULOSIQUE</subject><subject>pH effects</subject><subject>PULP</subject><subject>Stability tests</subject><subject>TRAMETES</subject><subject>Trametes versicolor</subject><subject>White rot</subject><issn>0273-2289</issn><issn>1559-0291</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqF0d9rFDEQB_Agir1WX3xXggqCsJofu5vkUYtVoaBg-7zMJpO7rdnNNdkV_O-b5Q4LgviSIeTDMPkOIc84e8cZU-8_XjBhBBNMPyAb3jSmKnf-kGyYULISQpsTcprzDWNc6EY9Jie8lJa1fEPc9yXsaR8Q7G6YtnTJ6xnAWshIfYojvUow4oyZ_sKUBxtDTHSZHCa6G7Y7OuO4xwTzkpDC5CiEnxCGCamNkxvmIU75CXnkIWR8eqxn5Pri09X5l-ry2-ev5x8uKyubeq564D144_u6raVS0jWuAeu8hbbVnitE6bm2Br0zUKsWpK7L3L11knHUVp6RN4e--xRvF8xzNw7ZYggwYVxyp0s4suXG_FcquTrVrvLVX_ImLmkq3-iE0oqpmrG6qJf_UqUN53VTs4LeHpBNMeeEvtunYYT0u-OsWzfZ3W-y4BfHjks_orunx9UV8PoIIFsIPsFkh_zHCVkiFOtkzw_MQ-xgmwq5_lEiKJMbU97vAHIHrk4</recordid><startdate>19980301</startdate><enddate>19980301</enddate><creator>Monteiro, M.C. 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(Faculdade de Engenharia Quimica de Lorena, Lorena, SP, Brazil.) ; Carvalho, M.E.A. de</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c354t-ba1baf9fb4643773d5d5acdfca668f17ee3f18c9efd9a476a384eacbcd301e8c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Biological and medical sciences</topic><topic>Biophysics</topic><topic>Biotechnology</topic><topic>BLANCHISSEMENT</topic><topic>BLANQUEADURA</topic><topic>BLEACHING</topic><topic>CALOR</topic><topic>CHALEUR</topic><topic>CORIOLUS VERSICOLOR</topic><topic>Enzyme engineering</topic><topic>Enzymes</topic><topic>EUCALYPTUS</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Fungi</topic><topic>Hardwoods</topic><topic>HEAT</topic><topic>High temperature</topic><topic>Kinetics</topic><topic>Kraft pulp</topic><topic>LACASA</topic><topic>LACCASE</topic><topic>Methods. Procedures. Technologies</topic><topic>Miscellaneous</topic><topic>PASTA</topic><topic>PATE CELLULOSIQUE</topic><topic>pH effects</topic><topic>PULP</topic><topic>Stability tests</topic><topic>TRAMETES</topic><topic>Trametes versicolor</topic><topic>White rot</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Monteiro, M.C. 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In this work, unbleached hardwood Kraft pulp was submitted to prebleaching using 2 U laccase/g pulp basis. Reaction time, temperature, and pH of the enzymatic treatment were investigated. Good results regarding Kappa number reduction, selectivities, and high viscosities were obtained when prebleaching was performed for 1 h at temperature of 55 degrees C and pH 8.0 followed by alkaline extraction and ECF bleaching sequences</abstract><cop>Heidelberg</cop><pub>Springer</pub><pmid>18576061</pmid><doi>10.1007/BF02920208</doi><tpages>11</tpages></addata></record> |
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| identifier | ISSN: 0273-2289 |
| ispartof | Applied biochemistry and biotechnology, 1998-03, Vol.70 (1), p.983-993 |
| issn | 0273-2289 1559-0291 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_815536199 |
| source | SpringerLink Journals |
| subjects | Biological and medical sciences Biophysics Biotechnology BLANCHISSEMENT BLANQUEADURA BLEACHING CALOR CHALEUR CORIOLUS VERSICOLOR Enzyme engineering Enzymes EUCALYPTUS Fundamental and applied biological sciences. Psychology Fungi Hardwoods HEAT High temperature Kinetics Kraft pulp LACASA LACCASE Methods. Procedures. Technologies Miscellaneous PASTA PATE CELLULOSIQUE pH effects PULP Stability tests TRAMETES Trametes versicolor White rot |
| title | Pulp bleaching using laccase from Trametes versicolor under high temperature and alkaline conditions |
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