Enzymes improve ECF bleaching of pulp

The delignification efficiency of different laccase enzymes was examined on the eucalyptus Kraft pulp. The laccase enzyme from Trametes versicolor showing the highest delignification efficiency was selected and used in the elemental chlorine-free bleaching sequence for improving the pulp bleachabili...
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Autor*in:	Lachenal, D. [verfasserIn] Bajpai, P. K. [verfasserIn] Mishra, S. P. [verfasserIn] Sharma, N. [verfasserIn] Anand, A. [verfasserIn] Bajpai, P. [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2006

Schlagwörter:	Laccase Mediator Delignification ECF bleaching Xylanase Chlorine dioxide

Übergeordnetes Werk:	In: BioResources - North Carolina State University, 2018, 1(2006), 1, Seite 34-44
Übergeordnetes Werk:	volume:1 ; year:2006 ; number:1 ; pages:34-44

Links:	Link aufrufen Link aufrufen Journal toc

Katalog-ID:	DOAJ009055681

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allfields	(DE-627)DOAJ009055681 (DE-599)DOAJ663b8c52974f4b2d9b01422e37ee52e6 DE-627 ger DE-627 rakwb eng TP248.13-248.65 Lachenal, D. verfasserin aut Enzymes improve ECF bleaching of pulp 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The delignification efficiency of different laccase enzymes was examined on the eucalyptus Kraft pulp. The laccase enzyme from Trametes versicolor showing the highest delignification efficiency was selected and used in the elemental chlorine-free bleaching sequence for improving the pulp bleachability. An appreciable reduction in chlorine dioxide consumption was also obtained. Further reduction in chlorine dioxide consumption was obtained when the same laccase treated pulp was subjected to an acid treatment after the extraction stage followed by the DEPD sequence. Elemental-chlorine free bleaching was also performed using the xylanase-laccase treated pulp. Xylanase treatment was incorporated to the laccase mediator system in the elemental-chlorine free bleaching both sequentially and simultaneously. The bleaching sequence DEPD followed and in both the cases, the reduction in chlorine dioxide consumption was greater in comparison to the control. The chlorine dioxide consumption was reduced further when xylanase-laccase treated pulp was given an additional acid treatment. The final pulp properties of the treated pulps were comparable to the control pulp. Laccase Mediator Delignification ECF bleaching Xylanase Chlorine dioxide Biotechnology Bajpai, P. K. verfasserin aut Mishra, S. P. verfasserin aut Sharma, N. verfasserin aut Anand, A. verfasserin aut Bajpai, P. verfasserin aut In BioResources North Carolina State University, 2018 1(2006), 1, Seite 34-44 (DE-627)513216707 (DE-600)2238238-0 19302126 nnns volume:1 year:2006 number:1 pages:34-44 https://doaj.org/article/663b8c52974f4b2d9b01422e37ee52e6 kostenfrei http://ojs.cnr.ncsu.edu/index.php/BioRes/article/viewFile/BioRes_01_1_034_044_Bajpai_ASMBL_Enzymes_ECF_Bleaching/8 kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 1 2006 1 34-44
spelling	(DE-627)DOAJ009055681 (DE-599)DOAJ663b8c52974f4b2d9b01422e37ee52e6 DE-627 ger DE-627 rakwb eng TP248.13-248.65 Lachenal, D. verfasserin aut Enzymes improve ECF bleaching of pulp 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The delignification efficiency of different laccase enzymes was examined on the eucalyptus Kraft pulp. The laccase enzyme from Trametes versicolor showing the highest delignification efficiency was selected and used in the elemental chlorine-free bleaching sequence for improving the pulp bleachability. An appreciable reduction in chlorine dioxide consumption was also obtained. Further reduction in chlorine dioxide consumption was obtained when the same laccase treated pulp was subjected to an acid treatment after the extraction stage followed by the DEPD sequence. Elemental-chlorine free bleaching was also performed using the xylanase-laccase treated pulp. Xylanase treatment was incorporated to the laccase mediator system in the elemental-chlorine free bleaching both sequentially and simultaneously. The bleaching sequence DEPD followed and in both the cases, the reduction in chlorine dioxide consumption was greater in comparison to the control. The chlorine dioxide consumption was reduced further when xylanase-laccase treated pulp was given an additional acid treatment. The final pulp properties of the treated pulps were comparable to the control pulp. Laccase Mediator Delignification ECF bleaching Xylanase Chlorine dioxide Biotechnology Bajpai, P. K. verfasserin aut Mishra, S. P. verfasserin aut Sharma, N. verfasserin aut Anand, A. verfasserin aut Bajpai, P. verfasserin aut In BioResources North Carolina State University, 2018 1(2006), 1, Seite 34-44 (DE-627)513216707 (DE-600)2238238-0 19302126 nnns volume:1 year:2006 number:1 pages:34-44 https://doaj.org/article/663b8c52974f4b2d9b01422e37ee52e6 kostenfrei http://ojs.cnr.ncsu.edu/index.php/BioRes/article/viewFile/BioRes_01_1_034_044_Bajpai_ASMBL_Enzymes_ECF_Bleaching/8 kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 1 2006 1 34-44
allfields_unstemmed	(DE-627)DOAJ009055681 (DE-599)DOAJ663b8c52974f4b2d9b01422e37ee52e6 DE-627 ger DE-627 rakwb eng TP248.13-248.65 Lachenal, D. verfasserin aut Enzymes improve ECF bleaching of pulp 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The delignification efficiency of different laccase enzymes was examined on the eucalyptus Kraft pulp. The laccase enzyme from Trametes versicolor showing the highest delignification efficiency was selected and used in the elemental chlorine-free bleaching sequence for improving the pulp bleachability. An appreciable reduction in chlorine dioxide consumption was also obtained. Further reduction in chlorine dioxide consumption was obtained when the same laccase treated pulp was subjected to an acid treatment after the extraction stage followed by the DEPD sequence. Elemental-chlorine free bleaching was also performed using the xylanase-laccase treated pulp. Xylanase treatment was incorporated to the laccase mediator system in the elemental-chlorine free bleaching both sequentially and simultaneously. The bleaching sequence DEPD followed and in both the cases, the reduction in chlorine dioxide consumption was greater in comparison to the control. The chlorine dioxide consumption was reduced further when xylanase-laccase treated pulp was given an additional acid treatment. The final pulp properties of the treated pulps were comparable to the control pulp. Laccase Mediator Delignification ECF bleaching Xylanase Chlorine dioxide Biotechnology Bajpai, P. K. verfasserin aut Mishra, S. P. verfasserin aut Sharma, N. verfasserin aut Anand, A. verfasserin aut Bajpai, P. verfasserin aut In BioResources North Carolina State University, 2018 1(2006), 1, Seite 34-44 (DE-627)513216707 (DE-600)2238238-0 19302126 nnns volume:1 year:2006 number:1 pages:34-44 https://doaj.org/article/663b8c52974f4b2d9b01422e37ee52e6 kostenfrei http://ojs.cnr.ncsu.edu/index.php/BioRes/article/viewFile/BioRes_01_1_034_044_Bajpai_ASMBL_Enzymes_ECF_Bleaching/8 kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 1 2006 1 34-44
allfieldsGer	(DE-627)DOAJ009055681 (DE-599)DOAJ663b8c52974f4b2d9b01422e37ee52e6 DE-627 ger DE-627 rakwb eng TP248.13-248.65 Lachenal, D. verfasserin aut Enzymes improve ECF bleaching of pulp 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The delignification efficiency of different laccase enzymes was examined on the eucalyptus Kraft pulp. The laccase enzyme from Trametes versicolor showing the highest delignification efficiency was selected and used in the elemental chlorine-free bleaching sequence for improving the pulp bleachability. An appreciable reduction in chlorine dioxide consumption was also obtained. Further reduction in chlorine dioxide consumption was obtained when the same laccase treated pulp was subjected to an acid treatment after the extraction stage followed by the DEPD sequence. Elemental-chlorine free bleaching was also performed using the xylanase-laccase treated pulp. Xylanase treatment was incorporated to the laccase mediator system in the elemental-chlorine free bleaching both sequentially and simultaneously. The bleaching sequence DEPD followed and in both the cases, the reduction in chlorine dioxide consumption was greater in comparison to the control. The chlorine dioxide consumption was reduced further when xylanase-laccase treated pulp was given an additional acid treatment. The final pulp properties of the treated pulps were comparable to the control pulp. Laccase Mediator Delignification ECF bleaching Xylanase Chlorine dioxide Biotechnology Bajpai, P. K. verfasserin aut Mishra, S. P. verfasserin aut Sharma, N. verfasserin aut Anand, A. verfasserin aut Bajpai, P. verfasserin aut In BioResources North Carolina State University, 2018 1(2006), 1, Seite 34-44 (DE-627)513216707 (DE-600)2238238-0 19302126 nnns volume:1 year:2006 number:1 pages:34-44 https://doaj.org/article/663b8c52974f4b2d9b01422e37ee52e6 kostenfrei http://ojs.cnr.ncsu.edu/index.php/BioRes/article/viewFile/BioRes_01_1_034_044_Bajpai_ASMBL_Enzymes_ECF_Bleaching/8 kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 1 2006 1 34-44
allfieldsSound	(DE-627)DOAJ009055681 (DE-599)DOAJ663b8c52974f4b2d9b01422e37ee52e6 DE-627 ger DE-627 rakwb eng TP248.13-248.65 Lachenal, D. verfasserin aut Enzymes improve ECF bleaching of pulp 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The delignification efficiency of different laccase enzymes was examined on the eucalyptus Kraft pulp. The laccase enzyme from Trametes versicolor showing the highest delignification efficiency was selected and used in the elemental chlorine-free bleaching sequence for improving the pulp bleachability. An appreciable reduction in chlorine dioxide consumption was also obtained. Further reduction in chlorine dioxide consumption was obtained when the same laccase treated pulp was subjected to an acid treatment after the extraction stage followed by the DEPD sequence. Elemental-chlorine free bleaching was also performed using the xylanase-laccase treated pulp. Xylanase treatment was incorporated to the laccase mediator system in the elemental-chlorine free bleaching both sequentially and simultaneously. The bleaching sequence DEPD followed and in both the cases, the reduction in chlorine dioxide consumption was greater in comparison to the control. The chlorine dioxide consumption was reduced further when xylanase-laccase treated pulp was given an additional acid treatment. The final pulp properties of the treated pulps were comparable to the control pulp. Laccase Mediator Delignification ECF bleaching Xylanase Chlorine dioxide Biotechnology Bajpai, P. K. verfasserin aut Mishra, S. P. verfasserin aut Sharma, N. verfasserin aut Anand, A. verfasserin aut Bajpai, P. verfasserin aut In BioResources North Carolina State University, 2018 1(2006), 1, Seite 34-44 (DE-627)513216707 (DE-600)2238238-0 19302126 nnns volume:1 year:2006 number:1 pages:34-44 https://doaj.org/article/663b8c52974f4b2d9b01422e37ee52e6 kostenfrei http://ojs.cnr.ncsu.edu/index.php/BioRes/article/viewFile/BioRes_01_1_034_044_Bajpai_ASMBL_Enzymes_ECF_Bleaching/8 kostenfrei https://doaj.org/toc/1930-2126 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 1 2006 1 34-44
language	English
source	In BioResources 1(2006), 1, Seite 34-44 volume:1 year:2006 number:1 pages:34-44
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authorswithroles_txt_mv	Lachenal, D. @@aut@@ Bajpai, P. K. @@aut@@ Mishra, S. P. @@aut@@ Sharma, N. @@aut@@ Anand, A. @@aut@@ Bajpai, P. @@aut@@
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callnumber-first	T - Technology
author	Lachenal, D.
spellingShingle	Lachenal, D. misc TP248.13-248.65 misc Laccase misc Mediator misc Delignification misc ECF bleaching misc Xylanase misc Chlorine dioxide misc Biotechnology Enzymes improve ECF bleaching of pulp
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topic_title	TP248.13-248.65 Enzymes improve ECF bleaching of pulp Laccase Mediator Delignification ECF bleaching Xylanase Chlorine dioxide
topic	misc TP248.13-248.65 misc Laccase misc Mediator misc Delignification misc ECF bleaching misc Xylanase misc Chlorine dioxide misc Biotechnology
topic_unstemmed	misc TP248.13-248.65 misc Laccase misc Mediator misc Delignification misc ECF bleaching misc Xylanase misc Chlorine dioxide misc Biotechnology
topic_browse	misc TP248.13-248.65 misc Laccase misc Mediator misc Delignification misc ECF bleaching misc Xylanase misc Chlorine dioxide misc Biotechnology
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title	Enzymes improve ECF bleaching of pulp
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title_full	Enzymes improve ECF bleaching of pulp
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author_browse	Lachenal, D. Bajpai, P. K. Mishra, S. P. Sharma, N. Anand, A. Bajpai, P.
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title_sort	enzymes improve ecf bleaching of pulp
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title_auth	Enzymes improve ECF bleaching of pulp
abstract	The delignification efficiency of different laccase enzymes was examined on the eucalyptus Kraft pulp. The laccase enzyme from Trametes versicolor showing the highest delignification efficiency was selected and used in the elemental chlorine-free bleaching sequence for improving the pulp bleachability. An appreciable reduction in chlorine dioxide consumption was also obtained. Further reduction in chlorine dioxide consumption was obtained when the same laccase treated pulp was subjected to an acid treatment after the extraction stage followed by the DEPD sequence. Elemental-chlorine free bleaching was also performed using the xylanase-laccase treated pulp. Xylanase treatment was incorporated to the laccase mediator system in the elemental-chlorine free bleaching both sequentially and simultaneously. The bleaching sequence DEPD followed and in both the cases, the reduction in chlorine dioxide consumption was greater in comparison to the control. The chlorine dioxide consumption was reduced further when xylanase-laccase treated pulp was given an additional acid treatment. The final pulp properties of the treated pulps were comparable to the control pulp.
abstractGer	The delignification efficiency of different laccase enzymes was examined on the eucalyptus Kraft pulp. The laccase enzyme from Trametes versicolor showing the highest delignification efficiency was selected and used in the elemental chlorine-free bleaching sequence for improving the pulp bleachability. An appreciable reduction in chlorine dioxide consumption was also obtained. Further reduction in chlorine dioxide consumption was obtained when the same laccase treated pulp was subjected to an acid treatment after the extraction stage followed by the DEPD sequence. Elemental-chlorine free bleaching was also performed using the xylanase-laccase treated pulp. Xylanase treatment was incorporated to the laccase mediator system in the elemental-chlorine free bleaching both sequentially and simultaneously. The bleaching sequence DEPD followed and in both the cases, the reduction in chlorine dioxide consumption was greater in comparison to the control. The chlorine dioxide consumption was reduced further when xylanase-laccase treated pulp was given an additional acid treatment. The final pulp properties of the treated pulps were comparable to the control pulp.
abstract_unstemmed	The delignification efficiency of different laccase enzymes was examined on the eucalyptus Kraft pulp. The laccase enzyme from Trametes versicolor showing the highest delignification efficiency was selected and used in the elemental chlorine-free bleaching sequence for improving the pulp bleachability. An appreciable reduction in chlorine dioxide consumption was also obtained. Further reduction in chlorine dioxide consumption was obtained when the same laccase treated pulp was subjected to an acid treatment after the extraction stage followed by the DEPD sequence. Elemental-chlorine free bleaching was also performed using the xylanase-laccase treated pulp. Xylanase treatment was incorporated to the laccase mediator system in the elemental-chlorine free bleaching both sequentially and simultaneously. The bleaching sequence DEPD followed and in both the cases, the reduction in chlorine dioxide consumption was greater in comparison to the control. The chlorine dioxide consumption was reduced further when xylanase-laccase treated pulp was given an additional acid treatment. The final pulp properties of the treated pulps were comparable to the control pulp.
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title_short	Enzymes improve ECF bleaching of pulp
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