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ITS » Undergraduate Theses » Teknik Kimia
Posted by yeni at 27/03/2009 11:46:12  •  4335 Views


SIMULASI PEMBUATAN MONOETHANOLAMIDE (MEA) DENGAN REAKSI ANTARA MONOETHANOLAMINE DAN ESTER DARI MINYAK KELAPA SAWIT

SIMULATION OF MONOETHANOLAMIDE (MEA) FORMING REACTION BY MONOETHANOLAMINE AND ESTER FROM CRUDE PALM OIL

Created by :
Afia, Nurul;Dahnum, Deliana 



SubjectChemical kinetics
Kimia kinetik
Keywordkinetika reaksi
CFD
reaktor alir tangki berpengaduk
reaksi reversible
disc turbine
GFRF
mikromixing

Description:

Penelitian ini bertujuan untuk mengetahui pengaruh hidrodinamika dan pencampuran terhadap reaksi reversible di dalam tangki berpengaduk yang dilengkapi dengan impeller single disc turbin six blade. Reaksi yang dipelajari adalah reaksi fase cair antara monoethanolamine dengan ester untuk membentuk monoethanolamide, dimana reaksi tersebut berjalan lambat oleh sebab itu yield produk reaksi akan tergantung pada kinetika reaksinya selain pada laju pengadukan. Sistem yang akan dipelajari dalam penelitian ini adalah tangki silindris berdasar datar yang dilengkapi dengan 4 buah baffle (lebar =0.03 m) dipasang pada arah vertical secara simetris dengan ukuran T =30 cm dan H =30 cm. Impeller yang digunakan adalah disc turbine dengan diameter impeller (D) = 0.05 m. Simulasi kinetika reaksi ini dilakukan dengan menggunakan Computational Fluid Dynamics (CFD) FLUENT 6.2 dengan permodelan aliran fluida yang disertai reaksi kimia Generalized Finite Rate Formulation (GFRF) , turbulensi aliran k-ε satndart.. Hasil–hasil simulasi yang akan didapatkan yaitu berupa variasi yield reaksi berdasarkan perubahan kecepatan putaran impeller dan perubahan flowrate (residence time). Dari data-data tersebut dapat diketahui bahwa laju reaksi tergantung pada laju reaksi Arrheniusnya daripada laju reaksi turbulensinya. Pada kecepatan rendah, yield reaksi meningkat jika kecepatan putar impeller ditingkatkan. Pada kondisi ini yang mempengaruhi adalah tingkat micromixing. Namun pada saat titik tertentu, kecepatan putar tidak berpengaruh lagi terhadap yield reaksi. Kenaikan kecepatan putar pada kecepatan tinggi, akan menurunkan yield reaksi. Pada saat kecepatan tinggi, yang lebih berperan adalah makromixing.


Alt. Description

This research was used to know hydrodynamic and mixing influence by reversible reaction in the agitated vessel single impeller six blade disc turbine. The reaction was studied is liquid phase between monoethanolamine and ester to monoethanolamide, that the reaction run slowly therefore the yield of product will depend on kinetic reaction beside the rate of reaction. The system was studied in the research is cylinder vessel flat base which is completed with four baffle (width = 0.03 m) and placed in vertical direction symmetrically with T = 0.3 m and H = 0.3 m. Disc turbine was used by impeller with 0.05 m for diameter. This Simulation of kinetic reaction was done by Computational Fluid Dynamics (CFD) FLUENT 6.2 with chemical reaction flow fluid models Generalized Finite Rate Formulation (GFRF), k-e standard turbulence and Large Eddy Simulation (LES). The result of this simulation is about variation yield reaction based on variety of impeller rotation velocity and flow rate (residence time). From that data, could be known that velocity rate depend on arrhenius rate than turbulence rate. In low velocity, yield reaction increase if velocity impeller increases. But, at the certain point, velocity impeller is not influence again with yield reaction. That is show that reaction is slow reaction, and only influence with micromixing level.

Contributor:
  1. Prof. Dr. Ir. Sugeng Winardi, M.Eng.
    Tantular Nurtono, ST., M.Eng.
Date Create:27/03/2009
Type:Text
Format:pdf.
Language:Indonesian
Identifier:ITS-Undergraduate-3100009034464
Collection ID:3100009034464
Call Number:RSK 660.299 4 Afi s


Source :
Undergraduate Theses,Chemical Engineering,RSK 660.299 4 Afi s,2008

Coverage :
ITS Community only

Rights :
Copyright @2008 by ITS Library. This publication is protected by copyright and permission should be obtained from the ITS Library prior to any prohibited reproduction, storage in a retrievel system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to ITS Library


Publication URL :
http://digilib.its.ac.id/simulasi-pembuatan-monoethanolamide-mea-dengan-reaksi-antara-monoethanolamine-dan-ester-dari-minyak-kelapa-sawit-3803.html




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  1. ITS-Undergraduate-3803-2304100082-judul.pdf - 205 KB
  2. ITS-Undergraduate-3803-2304100082-bab1.pdf - 155 KB
  3. ITS-Undergraduate-3803-2304100082-bab2.pdf - 272 KB
  4. ITS-Undergraduate-3803-2304100082-bab3.pdf - 277 KB
  5. ITS-Undergraduate-3803-2304100082-bab4.pdf - 400 KB
  6. ITS-Undergraduate-3803-2304100082-kesimpulan.pdf - 150 KB
  7. ITS-Undergraduate-3803-2304100082-lampiran.pdf - 214 KB



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CFD , GFRF , alir , berpengaduk , disc , disc turbine , kinetika , kinetika reaksi , mikromixing , reaksi , reaksi reversible , reaktor , reaktor alir tangki berpengaduk , reversible , tangki , turbine



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