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Sang Kompiang Wirawan
Chemical Engineering Department, Faculty Of Engineering, Universitas Gadjah Mada, Jalan Grafika No. 2, Yogyakarta 55281, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Social Sciences Other

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Journal : ASEAN Journal on Science and Technology for Development

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Problem Solving of Isopropyl Alcohol – Water Azeotropic Characteristics Using Packed (Natural Zeolite) Bed Adsorber Laras Prasakti; Muhammad Hartono; Pandu Prabowo Jati; Muhammad Fajar Setiaji; Sang Kompiang Wirawan; Hanifrahmawan Sudibyo
ASEAN Journal on Science and Technology for Development Vol. 37 No. 1 (2020): Earth, Water & Fire
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29037/ajstd.611

Abstract

The adsorption kinetics of water from an azeotropic mixture of isopropyl alcohol and water using chemically activated natural zeolites with and without a binder (starch) was investigated. In addition, an investigation of the compressive strength of zeolite pellets was conducted to ascertain the performance of the adsorbent for long-term operation. Three parameters were applied in the zeolite-making process: the particle size of zeolite (20, 30, 50, and 80 mesh), the sintering temperature (550, 750, and 1,000°C), the compaction pressure (2, 4, and 6 tonnes), and the starch-to-zeolite weight ratio (0, 1:3, 1:5, and 1:7). Initial screenings indicated that the strongest zeolite pellet was 80-mesh zeolite powder (without starch addition) that was compacted using 6 tonnes pressure and was sintered at 750°C. The adsorption tests using the strongest zeolite were conducted in a packed-bed column for three cycles, followed by compressive strength tests on the zeolite pellets after each cycle. According to the experimental data, zeolite pellets made without the addition of starch could adsorb up to 98.4% of the initial water in the mixture. From the four models proposed to describe the kinetics of adsorption of water from the mixture, the Freundlich model turned out to be the best model.
Co-Authors Afrizal Luthfi Anggara Agus Prasetya Ari Diana Susanti Arif Rahman Hakim Asdi Restana Aswanti Mindaryani Bakti Berlyanto Sedayu Budhijanto Budhijanto Budhijanto Budhijanto Cahyono, Rochim Bakti Chandra Wahyu Purnomo Daniel Timotius Derek Creaser Derek Creaser Dian Ika Nugraha Dian Ika Nugraha Endang Tri Wahyuni Endhy Kesuma Ernie Ernie Hirofumi Hinode I Made Bendiyasa I Wayan Warmada Ihda Novia Indrajati Ivone Marselina Nugraha Jayanudin Jayanudin Martin Petersson Moh. Fahrurrozi Moh. Fahrurrozi Mohammad Fahrurrozi Muhammad Fajar Setiaji Muhammad Hartono Natalia Anasta Pandu Prabowo Jati Panut Mulyono Prasakti, Laras Rochmadi Rochmadi Rochmadi Rochmadi Rochmadi Rochmadi Sayoga Hidayatullah Sudibyo, Hanifrahmawan Suryo Purwono Venitalitya A. S. Augustia Venitalitya A. S. Augustia Wahyu Tri Handoyo Wahyudi Budi Sediawan Wahyudi Budi Sediawan Wahyudi Budi Sediawan Wahyudi Budi Sediawan Widra Putri Juwita Wiratni Budhijanto Yusmardhany Yusuf Zuliyana