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Geothermal solid waste derived Ni/Zeolite catalyst for waste cooking oil processing.

Hantoro Satriadi1, Isdayana Yogi Pratiwi1, Malikhatul Khuriyah1

  • 1Chemical Engineering Department, Faculty of Engineering, Diponegoro University, Semarang, 50275, Indonesia.

Chemosphere
|August 4, 2021
PubMed
Summary
This summary is machine-generated.

A novel nickel/zeolite catalyst from geothermal waste efficiently converts waste cooking oil into biodiesel. This sustainable catalyst achieved an 89.4% yield under optimal conditions, demonstrating its potential for green fuel production.

Keywords:
BiodieselGeothermal wasteNi/ZeoliteTransesterificationWaste cooking oil

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Area of Science:

  • Chemical Engineering
  • Materials Science
  • Environmental Science

Background:

  • Waste cooking oil presents a significant environmental challenge.
  • Developing sustainable catalysts is crucial for green chemistry and renewable energy.
  • Geothermal solid waste is an underutilized resource with potential for catalyst development.

Purpose of the Study:

  • To synthesize a sustainable nickel/zeolite (Ni/Zeolite) catalyst from geothermal solid waste.
  • To optimize the transesterification process for biodiesel production from waste cooking oil.
  • To evaluate the catalyst's performance, including yield and reusability.

Main Methods:

  • Synthesis of Ni/Zeolite catalyst from geothermal solid waste.
  • Characterization of the catalyst's physical properties (surface area, pore volume).
  • Investigation of transesterification reaction parameters (catalyst concentration, temperature).

Main Results:

  • The synthesized Ni/Zeolite catalyst exhibited increased surface area (80.661 m²/g) and pore volume (0.123 cc/g).
  • Optimal biodiesel yield of 89.4% was achieved using 3% w/w catalyst at 60°C.
  • Catalyst reusability showed a yield decrease to 73.3% after three cycles.

Conclusions:

  • A sustainable Ni/Zeolite catalyst can be effectively produced from geothermal solid waste.
  • The catalyst demonstrates high efficiency in converting waste cooking oil to biodiesel.
  • Further research may focus on enhancing catalyst stability for improved reusability.