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All Journal JURNAL SELULOSA Kinetika JUSTE (Journal of Science and Technology)
Martha Aznury
Politeknik Negeri Sriwijaya
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Energy Engineering Materials Science & Nanotechnology

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Journal : Kinetika

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Review Artikel VARIASI PRODUKSI BIOETANOL DARI AMPAS TEBU Rizki Nurjanah; Martha Aznury
KINETIKA Vol. 12 No. 2 (2021): KINETIKA 01072021
Publisher : Politeknik Negeri Sriwijaya

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Abstract

Bioethanol is ethanol made from plants that contain starch, sugar and other cellulosic plants. The general methods used are hydrolysis and anaerobic fermentation methods. This review aims to compare the results of several studies on the manufacture of bioethanol from various raw materials and the treatment of variations in fermentation pH, type of yeast, and fermentation time. Based on the studies that have been carried out, it can be concluded that the largest yield of bioethanol yields is found in research conducted by Guiherme et al. (2019) showing that the yield of bioethanol from bagasse is 88% w / v with. with alkaline pretreatment hydrolysis and anaerobic fermentation methods using the enzymes Kluyveromyces marxianus and Saccharomyces cerevisiae. Then the second largest result was found in research according to Goshandrou et al. (2014) which produced a percent ethanol of 81% v / v from bagasse. with hydrolysis and anaerobic fermentation methods through the Zygomicetes enzyme.
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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Abstract

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
Co-Authors Ahmad Zikri Chintia Oktariyensi Marieska Lupikawaty Muhammad Daffa Fadlurrahman Muhammad Delika Maulidi Mustain Rizki Nurjanah Robert Junaidi Robiansyah Safaruddin Selastia Yuliati