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., S., Islami, D. M., Saputra, Y., Seprianti, S., Wahyuni, S., Ramadhani, F., Arief, S., Tetra, O. N., Putri, Y. E., & Rilda, Y. (2019). Natural Zeolits and Its Modifications with Protons and Copper As the Catalyst for Esterification of Ethanol with Acetic Acid. KnE Engineering, 4(2), 296–306. https://doi.org/10.18502/keg.v1i2.4454

https://doi.org/10.18502/keg.v1i2.4454

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authors

  • Syukri .
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  • Dini M. Islami
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  • Yoni Saputra
    No author data available.
  • Salmi Seprianti
    No author data available.
  • Sry Wahyuni
    No author data available.
  • Fitria Ramadhani
    No author data available.
  • Syukri Arief
    No author data available.
  • Olly Norita Tetra
    No author data available.
  • Yulia Eka Putri
    No author data available.
  • Yetria Rilda
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Published Date

  • Apr 16, 2019

Natural Zeolits and Its Modifications with Protons and Copper As the Catalyst for Esterification of Ethanol with Acetic Acid

KnE Engineering / International Conference on Basic Sciences and Its Applications (ICBSA-2018) / Pages 296–306

Abstract

Natural zeolite from Cikalong, West Java has been modified by attaching protons and copper (II) to the framework. These materials are characterized by X-Ray Fluourescence (XRF), X-Ray Diffraction (XRD) and Fourier Transform Infra Red (FTIR). The results of the analysis with these tools show that the framework of the natural zeolite sample did not change significantly after modification. The catalytic activity of natural zeolite samples and their modified forms were tested as heterogeneous catalysts in esterification of ethanol with acetic acid. The chemical process was carried out at 75 ∘C for 4 hours with the presence of 5% catalyst weight and with the mole ratio of ethanol and acetic acid at 2: 1. Ethyl acetate products formed were analyzed by Gas Chromatography (GC). In the catalytic test it was found that natural zeolites were more active than those modified with acid and copper, although the latter were also slightly better at reuse.


 


Keywords: Natural Zeolite, Catalyst, Esterification, Modification, Reuse

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