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All Journal EKSAKTA: Journal of Sciences and Data Analysis Bulletin of Chemical Reaction Engineering & Catalysis AJIE (Asian Journal of Innovation and Entrepreneurship) IJCR (Indonesian Journal of Chemical Research) Bulletin of Chemical Reaction Engineering & Catalysis
Nurcahyo Iman Prakoso
Progran Studi Kimia, Universitas Islam Indonesia
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Materials Science & Nanotechnology

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Journal : Bulletin of Chemical Reaction Engineering

 1 
ZnO-Porous Clay Heterostructure from Saponite as Green Catalyst for Citronellal Cyclization Dwiarso Rubiyanto; Nurcahyo Iman Prakoso; Imam Sahroni; Rico Nurillahi; Is Fatimah
Bulletin of Chemical Reaction Engineering & Catalysis 2020: BCREC Volume 15 Issue 1 Year 2020 (April 2020)
Publisher : Department of Chemical Engineering - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1278.164 KB) | DOI: 10.9767/bcrec.15.1.5800.137-145

Abstract

Green conversion in organic synthesis is one of the interesting and important topics in green chemistry. The use of heterogeneous catalysis instead of homogeneous catalysis offers some advantages, such as easy separation and reusability. In this research, a heterogeneous acid catalyst was prepared from saponite by immobilizing ZnO in the form of a pillared clay (Zn/PILS) and Zn supported on porous clay heterostructure (Zn/PCH). Physicochemical studies involving X-ray diffraction measurement, surface analysis using a gas sorption analyzer, and surface acidity measurement were performed. Results indicated that the increasing surface acidity and the high specific surface area of the material were the relevant physicochemical properties that facilitate environment-friendly citronellal cyclization. The higher values for both parameters in Zn/PCH than in Zn/PILS linearly affected citronellal conversion and the selectivity for isopulegol production. Zn/PCH demonstrated a conversion rate of 98.9% for a 3-hour reaction and a selectivity of 100% for isopulegol production, and it exhibited reusability properties. Copyright © 2020 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0). 
Co-Authors Allwar Allwar Arida Liyanita Dwiarso Rubiyanto Imam Sahroni Is Fatimah Lukman Hakim Mila Tria Nita Nuri Hidayati Rico Nurillahi Rochmadi Rochmadi Soni Laksono Suputa Suputa Suryo Purwono Umul Azizah Zahrah Nur Zakiyah