Sintesis Dietil Karbonat Dari CO2, Ethylene Oxide, Dan Ethanol

Paembong, Lukas Rudy and Natanael, Yesaya Reuben (2017) Sintesis Dietil Karbonat Dari CO2, Ethylene Oxide, Dan Ethanol. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Penelitian ini behasil disintesis dietil karbonat dari karbon dioksida (CO2), etanol, dan etilen oksida, menggunakan katalis potassium iodide (KI) dan cerium oxide (CeO2). Eksperimen dilakukan dengan peralatan yang telah dikembangkan, di laboratorium Termodinamika, berupa reaktor silindris dengan volume 34,577 cm3, panjang 20 cm, dan diameter 1,905 cm yang dilengkapi jaket pemanas, indikator tekanan, controller temperatur, dan buffer tank. Waktu reaksi terhitung setelah memasukan reaktan (etanol, etilen oksida, dan CO2) dan katalis (KI dan CeO2) ke dalam reaktor sesuai variable yang ditetapkan. Komposisi dari sampel liquid dianalisa secara kualitatif menggunakan Gas Chromatography-Mass Spectrofotometry dan secara kuantitatif menggunakan Gas Chromatography. Pengaruh terhadap hasil reaksi, dari rasio molar etanol terhadap etilen oksida, waktu reaksi, jenis katalis (KI CeO2 / KI), dan pengadukan telah dikaji pada tekanan reaktor 30 ± 5 bar dan temperatur 170 ± 5oC. Hasil eksperimen menunjukan bahwa dietil karbonat telah terbentuk dengan yield tertinggi sebesar 1,8%, dicapai pada rasio molar etilen oksida terhadap etanol sebesar 1:5 dengan katalis Pottasium Iodide (KI) dan waktu reaksi tiga jam. ================================================================= Diethyl carbonate (DEC) was successfully synthesized from ethylene oxide, carbon dioxide, and ethanol using catalyst potassium iodide (KI) and cerium oxide (CeO2) in this work. The experiment was conducted on 34.577 cm3 cylindrical reactor, 20 cm on length and 1.905 on diameter equipped with heat exchanger jacketed, pressure gauge, temperature controller and buffer tank. The reaction time was recorded when all of the reactants (ethylene oxide, carbon dioxide, ethanol) and catalyst (KI and CeO2) were added to the reactor. The synthesized DEC, in liquid phases, was analyzed quantitatively using Gas Chromatography-Mass Spectrophotometry and qualitatively using Gas Chromatography. The effect of molar ratio of ethylene oxide and ethanol, reaction time, type of catalysts (KI and KI/CeO2), and the existence of stirring process were investigated. The reaction was operated at pressure of (30 ± 5) bar and temperature of (170 ± 5) oC. The highest yield of diethyl carbonate product obtained was found to be 1.8%, at 1:5 molar ratio of ethylene oxide and ethanol using Potassium Iodide (KI), and three hours of reaction time.

Item Type: Thesis (Undergraduate)
Additional Information: RSK 660.294 2 Pae s
Uncontrolled Keywords: CO2; Dietil Karbonat; Etanol; Etilen Oksida; Diethyl Carbonate; Ethanol; Ethylene Oxide
Subjects: T Technology > TP Chemical technology
Divisions: Faculty of Industrial Technology > Chemical Engineering > (S1) Undergraduate Theses
Depositing User: Yesaya Reuben Natanael
Date Deposited: 25 Sep 2017 06:13
Last Modified: 27 Dec 2017 06:55
URI: http://repository.its.ac.id/id/eprint/43996

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