OPTIMASI PROSES DELIGNIFIKASI KILANG PULP DENGAN PERMODELAN CFD ANSYS FLUENT 19.2

SUDRAJAT, AMRAN and Novia, Novia and Hadiah, Fitri (2020) OPTIMASI PROSES DELIGNIFIKASI KILANG PULP DENGAN PERMODELAN CFD ANSYS FLUENT 19.2. Master thesis, Sriwijaya University.

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Abstract

The delignification process in this study produced the stdanart of Kappa number pulp (lignin content) of about 19-22 %. The production data of pulp refinery used in this research were taken on September 2, 2019 at the maximum capacity of 4220.6 ADT / D, with tank volume of 5140 m³ dan a height of 68,295 m2. The optimization was conducted by a software application of CFD Ansys Fluent 19.2 with various dosages of White Liquor (NaOH) of 18, 19, 20, 21, 22 g / l and the temperature of 141, 142, 143, 144, 145 0C based on the pulp mill cooking control parameters. The optimun condition was obtained at NaOH of 20 g/L and temperature of 142 oC with lignin kontent of 19,92 %. The simulation result of each variable displayed the contour of mass fractions (lignin, NaOH, Na-Lignate, H2O), reaction kinetics rate, and temperature distribution in digester. The simulation results also were compared with the plant actual data with an error of 3.92%.

Item Type:	Thesis (Master)
Uncontrolled Keywords:	Ansys Fluent 19.2, Delignification, Digester, Lignin
Subjects:	T Technology > TP Chemical technology > TP155-156 Chemical engineering
Divisions:	03-Faculty of Engineering > 24101-Chemical Engineering (S2)
Depositing User:	Users 10438 not found.
Date Deposited:	27 Jan 2021 07:46
Last Modified:	27 Jan 2021 07:46
URI:	http://repository.unsri.ac.id/id/eprint/41196

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