Pembuatan Membran PET-Pebax/Zeolit-NaY Untuk Pemisahan Gas

Nareswari, Cininta (2022) Pembuatan Membran PET-Pebax/Zeolit-NaY Untuk Pemisahan Gas. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

Text 01211840000037-Undergraduate_Thesis.pdf - Accepted Version Restricted to Repository staff only until 1 April 2024. Download (1MB) | Request a copy

Abstract

Polyethylene terephthalate (PET) merupakan salah satu jenis polimer yang banyak digunakan sebagai produk kemasan, akibatnya jutaan botol PET dibuang sebagai limbah setiap harinya. Masalah lingkungan yang serius dari limbah PET yang non-biodegradabel menjadi tantangan untuk dimanfaatkan. Limbah botol plastik PET ini berpotensi untuk dimanfaatkan menjadi membran lapisan tipis yang digunakan untuk pemisahan gas. Pada penelitian ini dilakukan preparasi membran PET-Pebax/Zeolit-NaY dengan modulasi membran datar (flat-sheet) dan karakterisasinya menggunakan FTIR dan Scanning Electron Microscopy (SEM), serta dipelajari mekanisme transport gas, kinerja permeasi dan selektivitasnya. Hasil analisa SEM menunjukkan morfologi permukaan yang lebih halus dan berkurangnya retakan pada permukaan membran PET. Namun, semakin banyak Pebax, pori penampang lintang membran menjadi membesar. Mekanisme kinerja membran menggunakan prinsip adsorpsi dan difusi. Penambahan berat optimum variasi 9% (b/b) memiliki potensi pada gas H2 dengan dan penambahan Zeolit-NaY berpotensi pada gas CO2. Penambahan Pebax meningkatkan selektivitas gas CO2./CH4 , CO2./N2 dan H2/N2 masing-masing yaitu 1,31±0,04; 1,71±0,06 dan 5±0,26. Penambahan Zeolit-NaY pada membran PET-Pebax menurunkan permeabilitas gas, tetapi meningkatkan selektivitas terutama pada pemisahan gas CO2/CH4, CO2/N2 dan N2/CH4 yaitu ,34±0,45; 2,77±0,2 dan 3,37±0,31
===================================================================================================
Polyethylene terephthalate (PET) is one type of polymer that is widely used as packaging products, as a result millions of PET bottles are disposed as waste every day. The serious environmental problem of non-biodegradable PET waste is a challenge to exploit. This PET plastic bottle waste has the potential to be used as a thin layer membrane used for gas separation. In this study, a PET-Pebax/Zeolite-NaY membrane was prepared with flat-sheet modulation and its characterization using FTIR and Scanning Electron Microscopy (SEM), and the gas transport mechanism, permeation performance and selectivity were studied. The results of the SEM analysis showed a smoother surface morphology and reduced cracks on the PET membrane surface. However, the more Pebax, the larger the cross-sectional pores of the membrane. The membrane performance mechanism uses the principles of adsorption and diffusion. The addition of optimum weight variation of 9% (w/w) has potential for H2 gas and the addition of Zeolite-NaY has potential for CO2 gas. The addition of Pebax increased membrane selectivity for CO2./CH4, CO2./N2 and H2/N2 gases, namely 1.31±0.04; 1.71±0.06 and 5±0.26, respectively. The addition of Zeolite-NaY to the PET-Pebax membrane decreased gas permeability, but increased selectivity, especially in the separation of CO2/CH4, CO2/N2 and N2/CH4 gases, namely ,34±0.45; 2.77±0.2 and 3.37±0.3, respectively.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	polyethylene terephthalate, Pebax, Zeolite-NaY, Pemisahan gas, membran datar polyethylene terephthalate, Pebax, Zeolite-NaY, Separation gas, flat-sheet
Subjects:	T Technology > TP Chemical technology > TP248.25.M46 Membrane separation
Divisions:	Faculty of Science and Data Analytics (SCIENTICS) > Chemistry > 47201-(S1) Undergraduate Thesis
Depositing User:	Cininta Nareswari
Date Deposited:	17 Feb 2022 08:42
Last Modified:	17 Feb 2022 08:42
URI:	http://repository.its.ac.id/id/eprint/94487

Actions (login required)

View Item