AbstrakArtikel ini mendiskusikan karakterisasi pecahan genteng dan pemanfaatannya untuk memproduksi katalis. Tujuan penelitian ini adalah untuk mengetahui karakteristik pecahan genteng dan kemudian melakukan modifikasi untuk pembuatan katalis. Katalis dibuat dengan pilarisasi nikel ke dalam pecahan genteng, dan dikarakterisasi menggunakan x-ray diffractometer (XRD). Pirolisis dilakukan terhadap limbah plastik polipropilena hingga diperoleh cairan minyak. Minyak direforming menggunakan katalis pecahan genteng terpilarisasi nikel. Hasil karakterisasi menunjukkan bahwa pecahan genteng mempunyai kandungan logam oksida berdasarkan standar Fe2O3, NiO2, Al2O3, SiO2. Refinement dilakukan menggunakan program Rietica metode Le-Bail dan diperoleh hasil nilai keberterimaan Rp/Rwp <10. Setiap 1,3 kg sampel limbah polipropilena diperoleh hasil minyak sebanyak 1,7 L. Hasil reforming menunjukkan bahwa densitas minyak sebesar 745,919 kg/m 3 dan viskositas 0,720 cp. Berdasarkan analisis GC-MS diperoleh fraksi pembentukan terbesar dari katalis pecahan genteng terpilarisasi nikel adalah fraksi C10 -C12. Sehingga, pecahan genteng yang terpilarisasi nikel efektif dijadikan sebagai katalisator dalam proses pirolisis untuk mengubah limbah palstik polipropilena menjadi bahan bakar.Kata Kunci: katalis, pecahan genteng, reforming, XRD
AbstractThis article discusses the characterization of roof-tile fragments and its benefit to produce catalyst. The objective of this study was to determine the characteristic of the roof-tile fragment and its modification on the fabrication of catalyst. Catalyst was prepared by nickel pillarization into roof-tile fragments, and then characterized by x-ray diffractometer (XRD). The pyrolysis was carried out by heating up polypropylene plastics until the oil produced. The oil was reformed by using catalyst from roof-tile fragments nickel pillarized. The characterization results showed that the roof-tile fragment has metal oxide content as based on standard of Fe2O3, NiO2, Al2O3, and SiO2. Refinement was done by using Rietica program with Le-Bail method and the acceptance value obtained was Rp/Rwp <10. 1.7 L oil was attained for every 1.3 kg polypropylene waste sample. The result of reforming informed that the generated oil has a density of 745.919 kg/m 3 and viscosity of 0.720 cp. GC-MS result confirmed that the biggest fraction formed in the reaction using catalyst from roof-tile fragments nickel pillarized was C10 -C11. Therefore, roof-tile fragments pillarized by nickel was useful for a catalyst in pyrolysis process to convert polypropylene plastic waste into fuel.
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