Search Results - "Colodette, J L"

POST-O₂ EUCALYPTUS PULP IN A/D(EP)DP BLEACHING SEQUENCE WASHED WITH RECIRCULATION OF THE ALKALINE FILTRATE by Souza, LC, Zanuncio, AJV, Colodette, JL, Carvalho, AG, de Castro, VR

“…Circuit closure in the pulp manufacturing process may mitigate water scarcity. This work aimed to analyse the feasibility of reusing the alkaline filtrate…”
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TCF bleaching sequence in kraft pulping of olive tree pruning residues by Requejo, A., Rodríguez, A., Colodette, J.L., Gomide, J.L., Jiménez, L.

“…► Chemically characterization and Kraft pulping of olive tree pruning residues. ► TCF bleaching with the following sequence of stages: OZQPOZQPO. ► Obtaining a…”
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An Empirical Mathematical Model for the Predictive Analysis of the Chemical Absorption of Hydroxide in Eucalyptus Wood by Costa, M. M, Gomide, J. L, Colodette, J. L, Lucia, L. A, Mutjé, P

“…Chip steaming, heating, impregnation, and sugar acid neutralization of wood chips by an alkaline kraft liquor during the pretreatment and initial phase of…”
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Effect of hot acid hydrolysis and hot chlorine dioxide stage on bleaching effluent biodegradability by Gomes, C M, Colodette, J L, Delantonio, N R N, Mounteer, A H, Silva, C M

“…The hot acid hydrolysis followed by chlorine dioxide (A/D*) and hot chlorine dioxide (D*) technologies have proven very useful for bleaching of eucalyptus…”
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Isolation and characterization of acetylated glucuronoarabinoxylan from sugarcane bagasse and straw by Morais de Carvalho, Danila, Martínez-Abad, Antonio, Evtuguin, Dmitry V., Colodette, Jorge Luiz, Lindström, Mikael E., Vilaplana, Francisco, Sevastyanova, Olena

“…•Acetylated glucuronoarabinoxylans (GAX) were successfully isolated from sugarcane bagasse and straw.•Empirical model for the molecular structure of GAX’s in…”
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Investigation of eucalyptus kraft pulp brightness stability by EIRAS, K. M. M, COLODETTE, J. L

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Eucalyptus kraft pulp bleaching with chlorine dioxide at high temperature by EIRAS, K. M. M, COLODETTE, J. L

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S/G ratio and lignin structure among Eucalyptus hybrids determined by Py-GC/MS and nitrobenzene oxidation by Ohra-aho, T., Gomes, F.J.B., Colodette, J.L., Tamminen, T.

“…► Structure of lignin among several Eucalyptus hybrids was studied by Py-GC/MS. ► The S/G ratio comparison between Py-GC/MS and nitrobenzene oxidation methods…”
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Carbohydrate composition in Eucalyptus wood and pulps – Comparison between Py-GC/MS and acid hydrolysis by Ohra-aho, T., Gomes, F.J.B., Colodette, J.L., Tamminen, T.

“…[Display omitted] •Carbohydrate composition in Eucalyptus wood and pulps.•Comparison among acid hydrolysis followed by HPLC and Py-GC/MS.•Better correlation…”
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Recirculation of treated effluent in the bleaching of kraft pulp by Nascimben Santos, Erika, Silva, Claudia Mudadu, Colodette, Jorge Luiz, de Almeida, Samilly B. Zanith, Zanuncio, Antonio José Vinha, de Souza, Thiago Oliveira, Menezes, Karyna da Silva, da Silveira, Bruna Luíza Pesso, Paucar, Yesenia Belén Llumiquinga

“…The bleaching plant of a kraft pulp mill is the sector that consumes water and generates effluent with the highest volume. Water recycling is an attractive…”
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In situ determination of the syringyl/guaiacyl ratio of residual lignin in pre-bleached eucalypt kraft pulps by analytical pyrolysis by Lima, C.F., Barbosa, L.C.A., Silva, Marcela N.N., Colodette, J.L., Silvério, F.O.

“…•A new method for S/G ratio analyses in lignin in pre-bleached pulp was developed.•S/G ratio in residual lignin in pre-bleached pulp can be measured by…”
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Impact of Ceratocystis wilt on eucalyptus tree growth and cellulose pulp yield by Mafia, R. G., Ferreira, M. A., Zauza, E. A. V., Silva, J. F., Colodette, J. L., Alfenas, A. C.

“…Summary In this study, we determined the effects of Ceratocystis fimbriata wilt on volumetric growth and cellulose pulp yield of eucalyptus. Seven‐year‐old…”
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Characterization of three non-product materials from a bleached eucalyptus kraft pulp mill, in view of valorising them as a source of cellulose fibres by Silva, M.C., Lopes, O.R., Colodette, J.L., Porto, A.O., Rieumont, J., Chaussy, D., Belgacem, M.N., Silva, G.G.

“…This paper is a contribution of scientific knowledge on the characteristics of several by-product materials from a bleached eucalyptus kraft pulp mill. In…”
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Effect of pulp delignification degree on fiber line performance and bleaching effluent load by Colodette, Jorge L., Gomide, Jose L., Júnior, Dalton L., Pedrazzi, Cristiane

“…Industrially made kraft pulps obtained by a modified cooking process may contain 60-75 mmol/kg of hexenuronic acids (HexAs), which represents 6-7.5 kappa…”
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Factors affecting hydrogen peroxide stability in the brightening of mechanical and chemimechanical pulps. Part III: Hydrogen peroxide stability in the presence of magnesium and combinations of stabilizers by Colodette, J L, Rothenberg, S, Dence, C W

“…The mechanism of hydrogen peroxide stabilization by magnesium was evaluated. Magnesium stabilizes alkaline hydrogen peroxide solutions by interrupting free…”
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Factors affecting hydrogen peroxide stability in the brightening of mechanical and chemimechanical pulps, part IV: The effect of transition metals in Norway Spruce TMP on hydrogen peroxide stability by Colodette, J L, Dence, C W

“…The effect of transition metals strongly attached to TMP on hydrogen peroxide decomposition was assessed. The origin of transition metals such as iron, copper,…”
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Factors affecting ambient thermal reversion of high-yield pulps by MCLELLAN, F, COLODETTE, J. L, FAIRBA K, M. G, WHITING, P

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Factors affecting hydrogen peroxide stability in the brightening of mechanical and chemimechanical pulps. IV: The effect of transition metals in Norway spruce TMP on hydrogen peroxide stability by COLODETTE, J. L, DENCE, C. W

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Factors affecting hydrogen peroxide stability in the brightening of mechanical and chemimechanical pulps. II: Hydrogen peroxide stability in the presence of sodium silicate by COLODETTE, J. L, ROTHENBERG, S, DENCE, C. W

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Factors affecting hydrogen peroxide stability in the brightening of mechanical and chemimechanical pulps. III: Hydrogen peroxide stability in the presence of magnesium and combinations of stabilizers by COLODETTE, J. L, ROTHENBERG, S, DENCE, C. W

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