ADSORPTION OF METHYLENE BLUE USING ZEOLITE X SYNTHETIZED FROM KAOLIN BANGKA-NEFI

Authors

  • NEFI MARNI Universitas Bung Hatta
  • MARIA ULFAH Universitas Bung Hatta

Keywords:

Bangka Kaolin, adsorption, Methylene Blue, and zeolite-X

Abstract

Zeolite is a micro porous aluminosilicate mineral that has a wide spesific surface area. Its wide surface area causes zeolite to be commonly used as an adsorbent. Zeolite synthesis was carried out using a dealumination process, namely mixing metakaolin resulting from kaolin calcination at a temperature of 750°C for 2 hours, with HCl then mixed with NaOH solution with various concentrations of NaOH 1.3 N, 1.5 N and 1.7 N. The NaOH concentration might determine the type of zeolite obtained. The adsorption of methylene blue using zeolite-X synthesized kaolin from Bangka Belitung with initial concentration variations between 20, 30, 40, and 50 mg/L and contact time 90 min. The analysis of the kinetics adsorption equation shows that the adsorption process of methylene blue follows Freundlich isothermal equation.and Langmuir.

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Published

2024-11-29