Works (32)

2008 journal article

Soda-AQ delignification of poplar wood. Part 1: Reaction mechanism and pulp properties

Holzforschung, 62(6), 627–636.

By: A. Venica, C. Chen & J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

Soda-AQ delignification of poplar wood. Part 2: Further degradation of initially dissolved lignins

Holzforschung, 62(6), 637–644.

By: A. Venica, C. Chen & J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

2006 journal article

Oxidative ammonolysis of technical lignins. Part 4. Effects of the ammonium hydroxide concentration and pH

Journal of Wood Chemistry and Technology, 26(1), 95–109.

By: E. Capanema, M. Balakshin, C. Chen & J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Dechlorination of chlorophenols found in pulp bleach plant E-1 effluents by advanced oxidation processes

Bioresource Technology, 96(8), 897–906.

By: R. Wang, C. Chen & J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Dechlorination of pulp bleaching plant E-1 effluent by ArF* and KrF* excirner laser photolysis. Part 1. Dechlorination of chlorophenols identified in E-1 effluent

Journal of Photochemistry and Photobiology. A, Chemistry, 172(3), 222–230.

By: T. Xie, C. Chen & J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Dechlorination of pulp bleaching plant E-1 effluent by ArF* and KrF* excirner laser photolysis. Part 2. Dechlorination of polychlorinated oxylignins

Journal of Photochemistry and Photobiology. A, Chemistry, 172(3), 231–240.

By: T. Xie, C. Chen & J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Dechlorination and decolorization of chloro-organics, in pulp bleach plant E-1 effluents, by advanced oxidation processes

Bioresource Technology, 94(3), 267–274.

By: R. Wang, C. Chen & J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Ozonation of pine kraft lignin in alkaline solution. Part 1: Ozonation, characterization of kraft lignin and its ozonated preparations

Holzforschung, 58(6), 622–630.

By: R. Wang, C. Chen & J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Ozonation of pine kraft lignin in alkaline solution. Part 2: Surface active properties of the ozonated kraft lignins

Holzforschung, 58(6), 631–639.

By: R. Wang, C. Chen & J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Comparative studies on oxidation of lignin model compounds with hydrogen peroxide using Mn(IV)-Me(3)TACN and Mn(IV)-Me4DTNE as catalyst

Journal of Molecular Catalysis. A, Chemical, 206(02-Jan), 37–51.

By: V. Alves, E. Capanema, C. Chen & J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Oxidative ammonolysis of technical lignins - Part 3. Effect of temperature on the reaction rate

Holzforschung, 56(4), 402–415.

Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Biobleaching of pulp with dioxygen in laccase-mediator system - effect of variables on the reaction kinetics

Journal of Molecular Catalysis. B, Enzymatic, 16(3-4), 205–215.

By: M. Balakshin, C. Chen, J. Gratzl, A. Kirkman & H. Jakob

Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Biobleaching of pulp with dioxygen in the laccase-mediator system - reaction mechanisms for degradation of residual lignin

Journal of Molecular Catalysis. B, Enzymatic, 13(1-3), 1–16.

By: M. Balakshin, E. Capanema, C. Chen, J. Gratzl, A. Kirkman & H. Gracz

Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Oxidative ammonolysis of technical lignins - Part 1. Kinetics of the reaction under isothermal condition at 130 degrees C

Holzforschung, 55(4), 397–404.

Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Oxidative ammonolysis of technical lignins - Part 2. Effect of oxygen pressure

Holzforschung, 55(4), 405–412.

Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Structural analysis of residual and technical lignins by H-1-C-13 correlation 2D NMR-spectroscopy

Holzforschung, 55(3), 302–308.

By: E. Capanema, M. Balakshin, C. Chen, J. Gratzl & H. Gracz

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Biobleaching of pulp with dioxygen in the laccase-mediator system. Part 1. Kinetics of delignification

Holzforschung, 54(4), 390–396.

By: M. Balakskin, C. Chen, J. Gratzl, A. Kirkman & H. Jakob

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Chemistry of pulping: Lignin reactions

Lignin: Historical, Biological, and Materials Perspectives, 742, 392–421.

By: J. Gratzl & C. Chen

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Confirmation of the presence of formaldehyde and N- (methylene)morpholinium cations as reactive species in the cellulose/NMMO/water system by trapping reactions

Holzforschung, 54(1), 101–103.

By: A. Potthast, T. Rosenau, P. Kosma, C. Chen & J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Kinetic studies on oxidation of veratryl alcohol by laccase- mediator system - Part 1. Effects of mediator concentration

Holzforschung, 54(2), 165–170.

By: M. Balakshin, C. Chen, J. Gratzl, A. Kirkman & H. Jakob

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Kinetic studies on oxidation of veratryl alcohol by laccase- mediator system. Part 2. The kinetics of dioxygen uptake

Holzforschung, 54(2), 171–175.

By: M. Balakshin, C. Chen, J. Gratzl, A. Kirkman & H. Jakob

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Kinetic study on delignification of kraft-AQ pine pulp with hydrogen peroxide catalyzed by Mn(IV)-Me4DTNE

Holzforschung, 54(4), 413–419.

By: Y. Cui, P. Puthson, C. Chen, J. Gratzl & A. Kirkman

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Laccase-catalyzed oxidation of 1-(3,4-dimethoxyphenyl)-1- propene using ABTS as mediator

Journal of Molecular Catalysis. B, Enzymatic, 8(4-6), 213–219.

By: C. Chen, A. Potthast, T. Rosenau, J. Gratzl, A. Kirkman, D. Nagai, T. Miyakoshi

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

A A Mn(IV)-Me4DTNE complex catalyzed oxidation of lignin model compounds with hydrogen peroxide

Journal of Molecular Catalysis. A, Chemical, 144(3), 411–417.

By: Y. Cui, C. Chen, J. Gratzl & R. Patt

Source: NC State University Libraries
Added: August 6, 2018

1999 personal communication

Autocatalytic decomposition of N-methylmorpholine N-oxide induced by Mannich intermediates

Journal of Organic Chemistry.

By: T. Rosenau, A. Potthast, P. Kosma, C. Chen & J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

1999 patent

Selective enzymatic oxidation of aromatic methyl groups to aldehydes by oxygen in the presence of a laccase-mediator catalyst

Washington, DC: U.S. Patent and Trademark Office.

By: C. Chen, J. Gratzl, A. Kirkman, A. Potthast & T. Rosenau

Source: NC State University Libraries
Added: August 6, 2018

1998 journal article

Reactions of lignin with cyanamide activated hydrogen peroxide Part 1. The degradation of lignin model compounds

Holzforschung, 52(5), 506–512.

By: J. Kadla, H. Chang, C. Chen & J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

1998 journal article

Reactions of lignin with cyanamide activated hydrogen peroxide Part 2. The degradation mechanism of phenolic lignin model compounds

Holzforschung, 52(5), 513–520.

By: J. Kadla, H. Chang, C. Chen & J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

Sonolysis of chloro organics in bleach plant E 1 effluents

Holzforschung, 51(5), 452–458.

By: Y. Uraki, C. Chen & J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

1991 patent

Two stage process for the oxygen delignification of lignocellulosic fibers with peroxide reinforcement in the first stage

Washington, DC: U.S. Patent and Trademark Office.

By: V. Parthasarathy, M. Sundaram, H. Jameel, J. Gratzl & R. Klein

Source: NC State University Libraries
Added: August 6, 2018

1989 patent

Process for delignification of cellulosic substances by pretreating with a complexing agent followed by peroxide prior to kraft digestion

Washington, DC: U.S. Patent and Trademark Office.

By: J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018

1989 patent

Process for the delignification of cellulosic substances by pretreating with a complexing agent followed by hydrogen peroxide

Washington, DC: U.S. Patent and Trademark Office.

By: J. Gratzl

Source: NC State University Libraries
Added: August 6, 2018