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Synthesis of Carbon Nano Materials Originated from Waste Cooking Oil Using a Nebulized Spray Pyrolysis

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In this present study, carbon nanomaterials were synthesized by a nebulized spray pyrolysis processs using waste cooking oil and ferrocene as carbon precursor and catalyst, respectively. The precursor solution was formed into droplets by a nebulization process under nitrogen gas flow through inside the furnace tube. Simultaneously, the oil was decomposed as nano carbons by heating mechanism onto the surface of activated carbons used as substrate. By varying the catalyst concentration dissolved in the oil (0.015, 0.02 and 0.025 g/ml) and operating temperature (650, 700 and 750 °C), the structure or morphology of the as-prepared nano carbons can be controlled. The structure and morphology of the carbon samples were observed using scanning electron microscopy (SEM). Their graphite and crystal structure was characterized by Raman spectroscopy and X-ray diffraction (XRD). The experimental results showed that carbon nanotubes (CNTs) were formed at a high catalyst concentration (0.025 g/ml), whereas carbon spheres (CNSs) were found at a lower concentration (0.015 and 0.02 g/ml) for the synthesis process conducted at 650 °C. Similarly, agglomerated CNSs were also obtained for the deposition conducted at high operating temperature of 700 and 750 °C and catalyst concentration of 0.025 g/ml.
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Keywords: CNSs; CNTs; Spray Pyrolysis; Waste Cooking Oil

Document Type: Research Article

Affiliations: 1: Department of Chemical Engineering, Parahyangan University, Ciumbuleuit 94 Bandung, 40141, Indonesia 2: Department of Chemical Engineering, Institut Teknologi Bandung, Ganesha 4 Bandung, 40132, Indonesia 3: Advanced Energy Material Processing Laboratory, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu, Seoul 136-791, Republic of Korea

Publication date: August 1, 2017

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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