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Moh. Ainul Fais
Universitas WR Supratman Surabaya
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Nursing Physics Public Health Social Sciences Transportation Other

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Journal : journal of chemical process engineering

 1 
Aspen Plus Simulation-based Thermodynamic Assessment of Multistage Coffee Oil Extraction from Arabica Spent Coffee Ground Amani Salsabil Husodo; Nur Ikhtiarini; Yuyun Yuniati; Moh. Ainul Fais
Journal of Chemical Process Engineering Vol. 11 No. 1 (2026): Journal of Chemical Process Engineering
Publisher : Fakultas Teknologi Industri - Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/jcpe.v11i1.2234

Abstract

The potential source of lipid material is spent coffee grounds (SCG). However, simultaneously, polar co-compounds (e.g., caffeine, chlorogenic acid, and cafestol) can be leached using ethanol-based processing, which must be separated in stages. The article is a thermodynamic study on an equilibrium-based multistage coffee-oil separation flowsheet with ethanol solvent (treated as 96 %(w/w) ethanol in this study) and a dry-basis definition of the feed. The flowsheet was adjusted to represent a sequential mixer-separator with solids proceeding stage-to-stage and fresh solvent contacts, with the first and second stages intended to demonstrate the leaching process, and the rest performed the purification process. Stagewise results indicate that cumulative elimination of the three monitored polar compounds is over 97% at Stage 3 and over 99.9% at Stage 4, and there is a plateau in the impurity removal; additionally, Stage 5 provides only slight further elimination. At the fifth level, oil recovery drops beyond the 69% (S/F 1:1, 40 C) to 58 (S/F 5:1, 60 °C), where an equilibrium-based trade-off between separation ability and lipid retention is shown. Varying binary interaction parameters (BIP) by 10% values resulted in slight alterations of recovery and never affected the qualitative stagewise inferences. Since this work is only done with the simulations of equilibrium, all the performance values are to be understood as the thermodynamic tendencies and the upper-bound signal; engineering design is to be suggested with an explicit experiment and with the separation/solvent-recovery studies on the laboratory level.
Co-Authors Agung Rasmito Agus Rahmanto Agus Rahmanto Agus Rahmanto Agus Rahmanto Agus Rasmito Amani Salsabil Husodo Azwanda Bambang Purwoko Bambang Sutejo Bambang Sutejo Bambang Sutejo Bambang Sutejo, Bambang Chusaini, Achmad Clora Widya Brilliana Dedy Kunhadi Desak Gede Suasridewi Devi Susiati Deviyanti , I Gusti Ayu Sri Deviyanti I Gusti Ayu Sri Deviyanti, I. G. A. Sri Dian Retno Sari Dewi Djaffar Sodiq Febihapsari Firdaus, Aqfi Nur Habibi, Zidan Rifdi Hunta, Moh Fahrizan I Gusti Ayu Sri Deviyanti I Gusti Ayu Sri Deviyanti I Gusti Ayu Sri Deviyanti I Gusti Ayu Sri, Deviyanti I. G. A. Sri Deviyanti I.G.A Sri Deviyanti Idham Halid Lahay IGA Sri Deviyanti Indung Sudarso Julius Mulyono Lapai, Yolanda LM Fandy Prayogo Mahardani Febrihapsari Mahmud Basuki Mamonto, Nisfa Mardjun, Muh Khairullah Mira Gayatri Kartika Mohamad Tsaqif Apta Laksono Mohamad, Firmansyah Muh Ilal Sarifudin Muthowif Muthowif Muthowif Novid Hidayat Nur Ikhtiarini Nyoman Sri Widari Nyoman Sri Widari Nyoman Sri Widari Pomalingo, Muhariyanto Pramitha, Asti Rizkiana Prayogo, LM Fandy Prihartanti, Wiwik Rahmanto , Agus Rahmanto, Agus Rapa, Imelda Cenda Rasmito, Agus Rini Oktavera Rusli Yusuf Ryan Adi Pratama Shodiq , Djaffar Shodiq, Djaffar Silvana Mohamad Siti Lailatus Sofiyah Sofiyanurriyanti Sri Widari, Nyoman Suhatati Tjandra Sutejo , Bambang Syahrir H, Muhammad Tabuni, Nuas Wahyu Eko Cahyono Wahyu Eko cahyono Widari, Nyoman Sri Wiwik Prihartanti Wiwik Prihartanti Wiwik Prihartanti Wiwik Prihartanti Yuni Krida Sakti Yuyun Yuniati