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Dwi Indarti
Jurusan Kimia Fakultas MIPA, Universitas Jember
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The Influence of Cellulose Acetate Concentration for Ultrafiltration Membranes Apriliasari, Yekti; Indarti, Dwi; Oktavianawati, Ika; Piluharto, Bambang
Indonesian Chimica Letters Vol. 2 No. 2 (2023)
Publisher : Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/icl.v2i2.5618

Abstract

Separation process using a membrane is a common method used in many fields. The objective of this research is to find out the influence of polymer concentration on the physical properties and performance of cellulose acetate as an ultrafiltration membrane. The cellulose acetate membrane is made by phase inversion technique. This technique is carried at by dissolving cellulose acetate in a range of concentration (18%, 19%, 20%, 21%, and 22%) in the solvent (acetone/DMSO = 15%/60%) and DMP as additives (3% mL). Then the mixtures homogenized and added PEG400 for 10% of cellulose acetate concentration (% w/w), strired ± 12 hours left in place until the buble disappeared. Then the dope solution is printed the glass plate, evaporated for 3 minutes, and immersed in a coagulation bath containing 5% acetone. The results suggest that the greater the concentration of cellulose acetate membrane increase the number density while the swelling degree decrease. The performance of the membrane showed that the greater concentration of cellulose acetate will water of flux the membrane decrease and rejection coefficient increase. Cellulose acetate membrane by varying the concentration of 21% and 22% included in the classification of ultrafiltration membranes for rejection coefficient value (90,37% and 91,43%) 90% may rejection by a membrane.
Co-Authors A Asnawati Agus Wedi Pratama Ahmad Turidi Amiyati, Dewi Rara Anak Agung Istri Ratnadewi Apriliana, Gepsa Apriliasari, Yekti Asnawati Asnawati Asnawati Asnawati Asnawati Asnawati, A. Badrut Tamam Ibnu Ali Bambang Bambang Ahmad Indarto Bambang Piluharto Bambang Piluharto Busroni, Busroni Christine Manara D. Iwan Setiawan Denny Trias Utomo, Denny Trias Dharmawan, Aditya Dwiki Diah Ayu Nur Sholehah Dwi Jayanti, Denik DWI SURYANTO Eka Surya Buana, Eka Surya Elis Nur Farida, Elis Nur Fatwa, Muhammad Iqbal Fauziyah, Kamelia Rizqi Firmanto, Hendy Fitri Dwi Jayanti Gembong Kesuma B HARDIAN SUSILO ADDY Henry Adi Syahputra Sidabutar Heny Yunita Novianti I Nyoman Adi Winata Ika Oktavianawati Irmawati, Nurisda Eva Khofifah, Marhamatul Komsiyah, Komsiyah Kristi, Maganda Ananda Marahayu, Mustika Muhammad Firdaus Muhammad Reza Nanda Widayanti Neran Neran Novita Andarini Novitasari Novitasari Nurlia, Vera Priza Pandunata Purwatiningsih Purwo Handoko, Donatus Setyawan Putri, Sella August Putri, Sella August Rizqon Rizqon S. Purwo Handoko, Donatus Siti Nur Jannah Siti Rofiqoh, Siti Sudarko Sulistyo, Yudi Aris Sulistyowati, Fitri Tanti Haryati Tinok Dwi Ananda Tri Mulyono Tri Mulyono Ula, Mohammad Munal Wuryanti Handayani Yeni Maulidah Muflihah Yudi Aris Sulistiyo, Yudi Aris Zulfikar Zulfikar