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1. Advanced Materials Research Vols. 608-609 (2013) pp 281-285
Fuel ethanol production from lignocellulosic biomass using a recombinant yeast strain

2. Advanced Materials Research Vols. 610-613 (2013) pp 9-14
Decolorization of Reactive Brilliant Blue KN-R by immobilized cells of
Rhodocyclus gelatinosus

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Accession number:  20130215879093

  Title:  Fuel ethanol production from lignocellulosic biomass using a recombinant yeast strain
  Authors:  Chen, Ming1 ; Zu, Guoren1 ; Zhang, Chunzhi1   
  Author affiliation:  1 College of Bioengineering, Dalian Polytechnic University, Dalian 116034, China  
  Corresponding author:  Chen, M. (chenmingok230@sohu.com)  
  Source title:  Advanced Materials Research
  Abbreviated source title:  Adv. Mater. Res.
  Volume:  608-609
  Monograph title:  Progress in Renewable and Sustainable Energy
  Issue date:  2013
  Publication year:  2013
  Pages:  281-285
  Language:  English
  ISSN:  10226680  
  ISBN-13:  9783037855492  
  Document type:  Conference article (CA)
  Conference name:  2nd International Conference on Energy, Environment and Sustainable Development, EESD 2012
  Conference date:  October 12, 2012 - October 14, 2012
  Conference location:  Jilin, China
  Conference code:  94737  
  Publisher:  Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany
  Abstract:  Fuel ethanol production from lignocellulosic biomass corn stover was investigated. Compared with acid pretreatment and ammonia steeping pretreatment, alkali pretreatment with 2% NaOH markedly enhanced lignin removal and thereby improved the enzymatic hydrolysis yield to 81.2% by 48 h. Fed-batch hydrolysis was started with a batch hydrolysis containing 80 g/l substrate, with cellulosic residue added at 6 and 12 h twice to get a final substrate concentration of 110 g/l. After 72 h of hydrolysis, the reducing sugar concentration reached 89.5 g/l with a hydrolysis yieldof 83.3%. Further fermentation of the cellulosic hydrolysate containing 56.7 g/l glucose and 23.6 g/l xylose was performed using a recombinant yeast strain Saccharomyces cerevisiae ZU-10, and 36.3 g/l ethanol was produced within 72 h. The research results are meaningful in fuel ethanol production from renewable lignocellulosic biomass. © (2013) Trans Tech Publications, Switzerland.
  Number of references:  9
  Main heading:  Cellulosic ethanol  
  Controlled terms:  Biomass  -  Enzymatic hydrolysis  -  Ethanol  -  Fermentation  -  Glucose  -  Sustainable development  -  Yeast  
  Uncontrolled terms:  Acid pretreatment  -  Alkali pretreatment  -  Corn stover  -  Fed batches  -  Fuel ethanol  -  Lignin removal  -  Lignocellulosic biomass  -  Pre-Treatment  -  Recombinant yeast  -  Reducing sugars  -  Research results  -  Substrate concentrations  
  Classification code:  523 Liquid Fuels -  525.1 Energy Resources and Renewable Energy Issues -  801.2 Biochemistry -  802.2 Chemical Reactions -  804.1 Organic Compounds -  911.2 Industrial Economics
  DOI:  10.4028/www.scientific.net/AMR.608-609.281
  Database:  Compendex
   Compilation and indexing terms, © 2012 Elsevier Inc.

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Accession number:  20130215884490

  Title:  Decolorization of reactive brilliant blue KN-R by immobilized cells of rhodocyclus gelatinosus
  Authors:  Chen, Ming1 ; Zhang, Chunzhi1 ; Shen, Yan1; Zu, Guoren1  
  Author affiliation:  1 College of Bioengineering, Dalian Polytechnic University, Dalian 116034, China  
  Corresponding author:  Chen, M. (chenmingok230@sohu.com)  
  Source title:  Advanced Materials Research
  Abbreviated source title:  Adv. Mater. Res.
  Volume:  610-613
  Monograph title:  Progress in Environmental Science and Engineering
  Issue date:  2013
  Publication year:  2013
  Pages:  9-14
  Language:  English
  ISSN:  10226680  
  ISBN-13:  9783037855508  
  Document type:  Conference article (CA)
  Conference name:  2nd International Conference on Energy, Environment and Sustainable Development, EESD 2012
  Conference date:  October 12, 2012 - October 14, 2012
  Conference location:  Jilin, China
  Conference code:  94737  
  Publisher:  Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany
  Abstract:  Reactive Brilliant Blue KN-R is a typical kind of anthraquinone dye and in common use in textile, dyeing, and printing industries in China, which is difficult to degrade because of its conjugated structure. The decolorization of KN-R was investigated using Ca-alginate immobilized cells of Rhodocyclus gelatinosus XL-1 under anaerobic conditions. For KN-R decolorization by immobilized cells, the suitable pH is 5-8 and the suitable temperature is 25-40 ¡ãC. Immobilized cells could decolorize KN-R by co-metabolism in the presence of peptone, and the enhancement of peptone concentration was beneficial for anaerobic decolorization. Metal ions affected the metabolic activity of immobilized cells of R. gelatinosus XL-1. The activity of KN-R decolorization was appreciably increased by Mg2+ and Cr3+, but severely inhibited by Cu2+ and Ag+. The maximum absorption peak in visible spectrum shifted from 595 to 453 nm during KN-R decolorization, indicating the formation of the intermediate product. © (2013) Trans Tech Publications, Switzerland.
  Number of references:  8
  Main heading:  Cells  
  Controlled terms:  Absorption spectroscopy  -  Aromatic compounds  -  Cell immobilization  -  Ketones  -  Metabolism  -  Metal ions  -  Radioactive waste vitrification  
  Uncontrolled terms:  Absorption peaks  -  Anaerobic conditions  -  Anthraquinone dye  -  Brilliant Blue  -  Ca-alginate  -  Conjugated structures  -  Decolorization  -  Immobilized cells  -  Intermediate product  -  Metabolic activity  -  Printing industry  -  Rhodocyclus gelatinosus  -  Visible spectra  
  Classification code:  804.1 Organic Compounds -  801.2 Biochemistry -  801 Chemistry -  741 Light, Optics and Optical Devices -  533 Ore Treatment and Metal Refining -  461 Bioengineering and Biology -  452.4 Industrial Wastes Treatment and Disposal
  DOI:  10.4028/www.scientific.net/AMR.610-613.9
  Database:  Compendex
   Compilation and indexing terms, © 2012 Elsevier Inc.
2Â¥2013-01-26 10:56:27
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Accession number:       
20130215879093
        Title:        Fuel ethanol production from lignocellulosic biomass using a recombinant yeast strain
        Authors:         Chen, Ming1 ; Zu, Guoren1 ; Zhang, Chunzhi1
        Author affiliation:        1 College of Bioengineering, Dalian Polytechnic University, Dalian 116034, China
        Corresponding author:         Chen, M. (chenmingok230@sohu.com)
        Source title:        Advanced Materials Research
        Abbreviated source title:        Adv. Mater. Res.
        Volume:        608-609
        Monograph title:        Progress in Renewable and Sustainable Energy
        Issue date:        2013
        Publication year:        2013
        Pages:        281-285
        Language:        English
        ISSN:         10226680
        ISBN-13:         9783037855492
        Document type:        Conference article (CA)
        Conference name:        2nd International Conference on Energy, Environment and Sustainable Development, EESD 2012
        Conference date:        October 12, 2012 - October 14, 2012
        Conference location:        Jilin, China
        Conference code:         94737
        Publisher:        Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany
        Abstract:        Fuel ethanol production from lignocellulosic biomass corn stover was investigated. Compared with acid pretreatment and ammonia steeping pretreatment, alkali pretreatment with 2% NaOH markedly enhanced lignin removal and thereby improved the enzymatic hydrolysis yield to 81.2% by 48 h. Fed-batch hydrolysis was started with a batch hydrolysis containing 80 g/l substrate, with cellulosic residue added at 6 and 12 h twice to get a final substrate concentration of 110 g/l. After 72 h of hydrolysis, the reducing sugar concentration reached 89.5 g/l with a hydrolysis yieldof 83.3%. Further fermentation of the cellulosic hydrolysate containing 56.7 g/l glucose and 23.6 g/l xylose was performed using a recombinant yeast strain Saccharomyces cerevisiae ZU-10, and 36.3 g/l ethanol was produced within 72 h. The research results are meaningful in fuel ethanol production from renewable lignocellulosic biomass. © (2013) Trans Tech Publications, Switzerland.
        Number of references:        9
        Main heading:         Cellulosic ethanol
        Controlled terms:         Biomass  -  Enzymatic hydrolysis  -  Ethanol  -  Fermentation  -  Glucose  -  Sustainable development  -  Yeast
        Uncontrolled terms:         Acid pretreatment  -  Alkali pretreatment  -  Corn stover  -  Fed batches  -  Fuel ethanol  -  Lignin removal  -  Lignocellulosic biomass  -  Pre-Treatment  -  Recombinant yeast  -  Reducing sugars  -  Research results  -  Substrate concentrations
        Classification code:         523 Liquid Fuels -  525.1 Energy Resources and Renewable Energy Issues -  801.2 Biochemistry -  802.2 Chemical Reactions -  804.1 Organic Compounds -  911.2 Industrial Economics
        DOI:        10.4028/www.scientific.net/AMR.608-609.281
        Database:        Compendex
                Compilation and indexing terms, © 2012 Elsevier Inc.
4Â¥2013-01-26 19:39:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÓãÔÚË®ÐÄ

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

Accession number:       
20130215884490
        Title:        Decolorization of reactive brilliant blue KN-R by immobilized cells of rhodocyclus gelatinosus
        Authors:         Chen, Ming1 ; Zhang, Chunzhi1 ; Shen, Yan1; Zu, Guoren1
        Author affiliation:        1 College of Bioengineering, Dalian Polytechnic University, Dalian 116034, China
        Corresponding author:         Chen, M. (chenmingok230@sohu.com)
        Source title:        Advanced Materials Research
        Abbreviated source title:        Adv. Mater. Res.
        Volume:        610-613
        Monograph title:        Progress in Environmental Science and Engineering
        Issue date:        2013
        Publication year:        2013
        Pages:        9-14
        Language:        English
        ISSN:         10226680
        ISBN-13:         9783037855508
        Document type:        Conference article (CA)
        Conference name:        2nd International Conference on Energy, Environment and Sustainable Development, EESD 2012
        Conference date:        October 12, 2012 - October 14, 2012
        Conference location:        Jilin, China
        Conference code:         94737
        Publisher:        Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany
        Abstract:        Reactive Brilliant Blue KN-R is a typical kind of anthraquinone dye and in common use in textile, dyeing, and printing industries in China, which is difficult to degrade because of its conjugated structure. The decolorization of KN-R was investigated using Ca-alginate immobilized cells of Rhodocyclus gelatinosus XL-1 under anaerobic conditions. For KN-R decolorization by immobilized cells, the suitable pH is 5-8 and the suitable temperature is 25-40 ¡ãC. Immobilized cells could decolorize KN-R by co-metabolism in the presence of peptone, and the enhancement of peptone concentration was beneficial for anaerobic decolorization. Metal ions affected the metabolic activity of immobilized cells of R. gelatinosus XL-1. The activity of KN-R decolorization was appreciably increased by Mg2+ and Cr3+, but severely inhibited by Cu2+ and Ag+. The maximum absorption peak in visible spectrum shifted from 595 to 453 nm during KN-R decolorization, indicating the formation of the intermediate product. © (2013) Trans Tech Publications, Switzerland.
        Number of references:        8
        Main heading:         Cells
        Controlled terms:         Absorption spectroscopy  -  Aromatic compounds  -  Cell immobilization  -  Ketones  -  Metabolism  -  Metal ions  -  Radioactive waste vitrification
        Uncontrolled terms:         Absorption peaks  -  Anaerobic conditions  -  Anthraquinone dye  -  Brilliant Blue  -  Ca-alginate  -  Conjugated structures  -  Decolorization  -  Immobilized cells  -  Intermediate product  -  Metabolic activity  -  Printing industry  -  Rhodocyclus gelatinosus  -  Visible spectra
        Classification code:         804.1 Organic Compounds -  801.2 Biochemistry -  801 Chemistry -  741 Light, Optics and Optical Devices -  533 Ore Treatment and Metal Refining -  461 Bioengineering and Biology -  452.4 Industrial Wastes Treatment and Disposal
        DOI:        10.4028/www.scientific.net/AMR.610-613.9
        Database:        Compendex
                Compilation and indexing terms, © 2012 Elsevier Inc.
5Â¥2013-01-26 19:40:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mchen6760

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6Â¥2013-01-27 08:31:49
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