Peningkatan Kemurnian Bioetanol Menggunakan Dehidrasi Adsorpsi

Syafira, Ayu and Zulaikha, Zulaikha (2021) Peningkatan Kemurnian Bioetanol Menggunakan Dehidrasi Adsorpsi. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Bioetanol adalah etanol yang dihasilkan dari fermentasi glukosa (gula) yang dilanjutkan dengan proses distilasi. Proses produksi dilakukan menggunakan proses fermentasi dengan pemurnian distilasi dan adsorpsi. Pabrik bioetanol dengan kapasitas 24.000 ton bioetanol/tahun akan didirikan di Kawasan Industri Kediri, Jawa Timur pada tahun 2021 dengan pertimbangan kemudahan akses bahan baku dan distribusi produk. Bahan baku yang digunakan adalah molase. Proses produksi bioetanol dibagi menjadi tiga tahap. Tahap propagasi yaitu proses aerob bertujuan untuk perkembangbiakan yeast yaitu dilakukan pada temperatur 60 °C. Tahap fermentasi yang berlangsung pada temperature 32 °C terjadi proses anaerob dilanjutkandengan anaerob dengan tujuan agar yeast dapat mengkonversi gula menjadi etanol. Tahap pemurnian yang bertujuan untuk mendapatkan produk bioethanol dengan grade fuel grade terdiri dari proses evaporasi,distilasi, dan adsorpsi. Proses evaporasi menggunakan backward feed- quadruple effect evaporator dengan arah aliran co-current. Proses distilasi menghasilkan kadar etanol sebesar 90%. Sedangkan proses dehidrasi bertujuan untuk mendapatkan kadar etanol 99,5%. Pabrik ini direncanakan beroperasi secara kontinyu selama 300 hari/tahun dengan basis 1 hari. Bahan baku molase yang dibutuhkan sebanyak 168.541,631 kg molase/hari dengan bahan baku pendukung berupa Process Water, Ammonium Sulfate, dan yeast Saccharomyces Cerevisiae.
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Bioethanol is the ethanol produced from the fermentation of glucose (sugar) followed by the distillation process. The production process is carried out using a fermentation process with purification of distillation and adsorption. The bioethanol plant with a capacity of 24,000 tons of bioethanol / year will be established in Industrial region at Kediri, East Java in 2021 with consideration of ease of raw material access and product distribution. The raw materials used are molasses. The bioethanol production process is divided into three stages. Propagation stage is aerobic process aimed for yeast breeding that is done at temperature 60 ° C. Fermentation stage that takes place at 32 ° C occurs anaerobic process followed by anaerobic with the aim that yeastcan convert sugar to ethanol. Purification stage aimed to get bioethanol product with grade fuel grade consist of evaporation, distillation, and adsorption process. The evaporation process uses a backward feed- quadruple effect evaporator with co-current flow direction. The distillation process yields ethanol content of 90%. While the dehydrationprocess aims to get ethanol 99.5%. The plant is planned to operate continuously for 300 days / year ona 1 day basis. The required raw material of molasses is 168.541,631 kg of molasses / day with supporting materials such as Process Water, Ammonium Sulfate and yeast Saccharomyces Cerevisiae.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Bioetanol, molase, fermentasi, dehidrasi, Bioethanol, molasses, fermentation, dehidration
Subjects: T Technology > TP Chemical technology > TP155.5 Chemical plants--Design and construction
T Technology > TP Chemical technology > TP159.M6 Zeolites
T Technology > TP Chemical technology > TP339 Ethanol as fuel. Biomass energy.
T Technology > TS Manufactures > TS176 Manufacturing engineering. Process engineering (Including manufacturing planning, production planning)
Divisions: Faculty of Vocational > 24305-Industrial Chemical Engineering
Depositing User: Zulaikha Zulaikha
Date Deposited: 08 Sep 2021 12:07
Last Modified: 08 Sep 2021 12:07
URI: http://repository.its.ac.id/id/eprint/88610

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