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ANALISIS PENGGUNAAN LIMBAH B3 SPENT BLEACHING EARTH SEBAGAI BAHAN BAKAR ALTERNATIF DI PT. SEMEN BATURAJA (PERSERO) TBK: Limbah B3, Spent Bleaching Earth (SBE), Bahan Bakar Alternatif, Rotary Kiln, Clinker Robiansyah; Mustain; Martha Aznury; Safaruddin
KINETIKA Vol. 13 No. 03 (2022): KINETIKA 01112022
Publisher : Politeknik Negeri Sriwijaya

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Hazardous waste of Spent Bleaching Earth (SBE) which is processed by PT. Semen Baturaja (Persero) Tbk is used asan alternative fuel to replace coal, whose price continues to rise, because SBE still contains oil in it. However, the useof hazardous waste of SBE can affect the specific heat consumption needed in the operation of the rotary kiln machineand the ash content in it can affect the quality of the clinker produced. With the percentage of SBE alternative fuelmixture to coal fuel of 0%, 1,12%, 2,07%, 3,13%, 4,09%, 4,93%, 6,13% and 6,88%, the analysis carried out on ofspecific heat consumption, fuel cost efficiency, rotary kiln machine operation and its effect on the quality of the clinkerproduct produced. From the results of this case study, with an increase in the percentage of the SBE mixture, the ashvalue of the mixed fuel trend to increase but is not significant, while the calorific value of this fuel mixture trend todecrease. The conclusion that can be drawn from the use of hazardous waste of SBE as an alternative fuel with amixture percentage of 0% to 6.88% is that as the fuel mixture ratio increases, specific heat consumption decreases,fuel cost efficiency increases, fuel requirements become lower, compared to not using hazardous waste of SBEalternative fuel and has no significant effect on the quality of the clinker product produced.Key words: Hazardous waste, Spent Bleaching Earth (SBE), Alternative fuel, Rotary kiln, Clinker
ANALISA KERUSAKAN BELT CONVEYOR DAN PROSES PENYAMBUNGAN BELT CONVEYOR 23BC-04 LIMESTONE RAW MILL DI PT. SEMEN BATURAJA (PERSERO) TBK. Fath Nurrahmat; Safaruddin
Jurnal Multidisipliner Bharasumba Vol 1 No 04 October (2022): Jurnal Multidisipliner Bharasumba
Publisher : Pusat Studi Ekonomi, Publikasi Ilmiah dan Pengembangan SDM

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PT. Semen Baturaja (Persero) Tbk is a State-Owned Enterprise of the Republic of Indonesia which was established on November 14, 1974 which is engaged in the cement industry sector. In the process of making cement, it cannot be separated from the means of material transportation to facilitate the process of moving materials at each stage of existing production. At PT. Semen Baturaja (Persero) Tbk, the means of transportation used for materials, one of which is a conveyor belt. Maintenance on the Belt Conveyor needs to be done so as not to tear or break the belt, and if it occurs, to deal with the problem, the Belt Conveyor is connected, namely by the method of Splicing and Mechanical Joint. The splicing method is splicing by gluing on both sides of the belt to be spliced, there are two methods in splicing, namely cold splicing and hot splicing, while the mechanical joint method is splicing by uniting the two sides of the belt with steel belt fasteners.
Co-Authors Fath Nurrahmat Martha Aznury Mustain Robiansyah