INVESTIGATION ON SODA OXYGEN DELIGNIFICATION REACTION KINETICS OF OLD CORRUGATED CONTAINER (OCC) PULPING

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KARBELAEIESMAEL MOHAMMAD HOSSEIN; JAHAN LATIBARI AHMAD; SEPIDEHDAM SEYED MOHAMMAD JAVAD; ROOHNIA MEHRAN

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Journal: Journal of Forest and Wood Products Year:2016 | Volume:69 | Issue:1 Page(s): 215-224

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Information Journal Paper

Title

INVESTIGATION ON SODA OXYGEN DELIGNIFICATION REACTION KINETICS OF OLD CORRUGATED CONTAINER (OCC) PULPING

Author(s)

KARBELAEIESMAEL MOHAMMAD HOSSEIN | JAHAN LATIBARI AHMAD | SEPIDEHDAM SEYED MOHAMMAD JAVAD | ROOHNIA MEHRAN | Issue Writer Certificate

Keywords

BULK PHASEQ1

DELIGNIFICATIONQ1

KAPPA NUMBERQ3

KINETICQ1

RESIDUAL PHASEQ1

SODA-OXYGENQ2

Abstract

The reaction KINETICs of old corrugated container (OCC) SODA-OXYGEN pulping was investigated. Two levels of alkali (16 and 18% based on oven dry weigth of the OCC) and three DELIGNIFICATION temperatures (145, 165 and 175ºC) were applied. The pulping duration was adjusted at 150 min and the measurements were conducted at 15 minutes intervals. The pulping consistency and oxygen pressure were constant at 10%, and 6 bar, respectively, in all pulping trails. At the end of each pulping interval, the KAPPA NUMBER of the pulp was measured, and the KAPPA NUMBER reduction trend was plotted against pulping time. Then DELIGNIFICATION rates and coefficients of DELIGNIFICATION reaction KINETICs were calculated. It was revealed that the DELIGNIFICATION proceeded in two different phases, called bulk and residual DELIGNIFICATION. Based on the coordinates of both sections, the intersction point was determined as the transition point from bulk to residual DELIGNIFICATION. Rate constant coefficient of both bulk and residual DELIGNIFICATION were also calculated. The results of the KINETIC study showed that when SODA-OXYGEN DELIGNIFICATION is applied to the OCC, the initial phase of the reaction was very fast, but as the DELIGNIFICATION proceeds, the rate of DELIGNIFICATION was reduced indicating the residual DELIGNIFICATION phase. The results showed most of the lignin was removed in the initial 45 min of the reaction.

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APA: Copy

KARBELAEIESMAEL, MOHAMMAD HOSSEIN, JAHAN LATIBARI, AHMAD, SEPIDEHDAM, SEYED MOHAMMAD JAVAD, & ROOHNIA, MEHRAN. (2016). INVESTIGATION ON SODA OXYGEN DELIGNIFICATION REACTION KINETICS OF OLD CORRUGATED CONTAINER (OCC) PULPING. JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES), 69(1), 215-224. SID. https://sid.ir/paper/162963/en

Vancouver: Copy

KARBELAEIESMAEL MOHAMMAD HOSSEIN, JAHAN LATIBARI AHMAD, SEPIDEHDAM SEYED MOHAMMAD JAVAD, ROOHNIA MEHRAN. INVESTIGATION ON SODA OXYGEN DELIGNIFICATION REACTION KINETICS OF OLD CORRUGATED CONTAINER (OCC) PULPING. JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2016;69(1):215-224. Available from: https://sid.ir/paper/162963/en

IEEE: Copy

MOHAMMAD HOSSEIN KARBELAEIESMAEL, AHMAD JAHAN LATIBARI, SEYED MOHAMMAD JAVAD SEPIDEHDAM, and MEHRAN ROOHNIA, “INVESTIGATION ON SODA OXYGEN DELIGNIFICATION REACTION KINETICS OF OLD CORRUGATED CONTAINER (OCC) PULPING,” JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 69, no. 1, pp. 215–224, 2016, [Online]. Available: https://sid.ir/paper/162963/en

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