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    Pemanfaatan Limbah Oil Sludge Pertamina sebagai Bahan Baku dalam Pembuatan Keramik Konstruksi

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    Fulltext (592.0Kb)
    Date
    2009
    Author
    Daulay, Abdul Halim
    Advisor(s)
    Sembiring, Anwar Dharma
    S, Perdamean
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    Abstract
    The making of ceramics for construction material based on sludge powder (from Pertamina’s oil sludge) and kaolin (as a binder) has been done. Composition of sludge powder varies from 50, 55, 60, to 95 % (in percent of mass) and that of kaolin from 5, 10, 15, to 50 % (in percent of mass). The temperature of sintering is 1200 0C with 1, 2, and 3 hours holding time. The dimension of sample test was made in two types of bodies that are rigid cylinder and beam. The test parameters are consist of density, water absorption, compressive strength, vicker’s hardness, flexural strength, impact strength, and microstructure analysis by X-ray diffractometer (XRD). The result indicates that the ceramics with the composition of variation of 50 % mass of sludge powder, 50 % mass of kaolin, the temperature of sintering of 1200 0C, and 3 hours holding time is the optimum result. At that composition, the ceramics has the following characteristics: density = 1,13 g/cm3, porosity = 34,48 %, compressive strength = 662,32 kgf/cm2, vicker’s hardness = 111,4 kgf/mm2, flexural strength = 326,44 kgf/cm2, and impact strength = 1,70 J/cm2. The microstructure analysis by XRD indicates that the major formed-phases are sodium-calcium-silicate and sillimanite, and the minor formed-phases are cordierite, arsenic-oxide, sodium-cadmium-phosphate, and indialite.
     
    Telah dilakukan pembuatan keramik untuk material konstruksi dengan bahan baku serbuk sludge yang berasal dari limbah oil sludge Pertamina dan kaolin sebagai bahan pengikat. Variasi komposisi serbuk sludge antara lain: 50, 55, 60, s.d. 95 % (dalam % massa) serta penambahan kaolin: 5, 10, 15, s.d. 50 % (dalam % massa), temperatur sinter adalah 1200 0C dengan variasi waktu penahanan selama 1, 2, dan 3 jam. Dimensi sampel uji yang dibuat dalam dua bentuk, yaitu silinder rigid dan balok. Parameter pengujian yang dilakukan meliputi: densitas, porositas, kuat tekan, kekerasan vickers, kuat patah, kuat impak, dan analisis mikrostruktur dengan X-ray diffractometer (XRD). Hasil pengujian menunjukkan bahwa keramik yang dihasilkan pada komposisi 50 % (massa) serbuk sludge, 50% (massa) kaolin, temperatur sinter 1200 0C, dan waktu penahanan selama 3 jam merupakan hasil yang optimum. Pada komposisi tersebut, keramik yang dihasilkan memiliki karakteristik sebagai berikut: densitas = 1,13 g/cm3, porositas = 34,48 %, kuat tekan = 662,32 kgf/cm2, kekerasan vickers = 111,4 kgf/mm2, kuat patah = 326,44 kgf/cm2, dan kuat impak = 1,70 J/cm2. Hasil analisis mikrostruktur dengan XRD menunjukkan bahwa phasa dominan yang terbentuk adalah sodium-calcium-silicate dan sillimanite, dan phasa minor: cordierite, arsenic-oxide, sodium-cadmium-phosphate, dan indialite.

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    http://repositori.usu.ac.id/handle/123456789/35195
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    Repositori Institusi Universitas Sumatera Utara (RI-USU)
    Universitas Sumatera Utara | Perpustakaan | Resource Guide | Katalog Perpustakaan
    DSpace software copyright © 2002-2016  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    Atmire NV