Muslihah, Siti (2012) Pengaruh penambahan urea dan lama fermentasi yang berbeda terhadap kadar bioetanol dari sampah organik. Undergraduate thesis, Universitas Islam Negeri Maulana Malik Ibrahim.
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Abstract
INDONESIA:
Bioetanol merupakan satu diantara bahan bakar nabati yang berpotensi digunakan sebagai alternatif pengganti bahan bakar fosil. Bahan baku bioetanol yang telah berkembang di Indonesia umumnya berasal dari bahan pangan. Hal ini tentunya akan menimbulkan masalah baru terkait dengan pemenuhan kebutuhan pangan. Oleh karena itu perlu bahan baku pengganti selain dari bahan pangan. Sampah organik mengandung karbohidrat (pati, selulosa, hemiselulosa dan gula sederhana) sehingga berpotensi digunakan sebagai bahan baku bioetanol. Dengan dihasilkannya bioetanol diharapkan dapat meningkatkan daya guna sampah organik menjadi sesuatu yang jauh lebih bermanfaat. Penelitian ini bertujuan untuk mengetahui pengaruh penambahan urea dan lama fermentasi yang berbeda terhadap kadar bioetanol dari sampah organik.
Penelitian dilaksanakan pada bulan Juni sampai dengan November 2011 di Laboratorium Biokimia Jurusan Biologi dan Laboratorium Kimia Organik Jurusan Kimia Fakultas Sains dan Teknologi Universitas Islam Negeri Maulana Malik Ibrahim Malang. Rancangan penelitian yang digunakan dalam penelitian ini adalah rancangan acak kelompok (RAK) pola faktorial dengan 16 perlakuan dan 3 kali ulangan sehingga diperoleh 48 unit percobaan. Faktor pertama adalah lama fermentasi yang terdiri dari 4 taraf perlakuan yaitu: lama fermentasi 48, 96, 144 dan 192 jam. Faktor kedua adalah kadar urea yang terdiri dari 4 taraf perlakuan yaitu: tanpa urea, urea 2 g/l, urea 4 g/l dan urea 6 g/l. Data yang diperoleh di análisis dengan anava dua arah (Two Way), jika ada perbedaan pada lama fermentasi dan variasi kadar urea maka dilakukan uji DMRT dengan taraf alpha 5 %.
Hasil penelitian menunjukkan penambahan urea dan lama fermentasi yang berbeda berpengaruh nyata terhadap kadar bioetanol dari sampah organik. Kadar bioethanol tertinggi yaitu 2,01 % diperoleh pada lama fermentasi 96 jam dengan penambahan urea 4 g/l.
ENGLISH:
Bioethanol is one of the biofuels that could potentially be used as an alternative to fossil fuels. The raw material of bioethanol that has grown in Indonesia is generally derived from foodstuffs. This is certainly going to raise new problems related to the fulfillment of food needs. Therefore it is necessary to substitute raw materials aside from foodstuffs. Organic waste consist of carbohydrates (starch, cellulose, hemicellulose and simple sugar) that could potentially be used as raw material for bioethanol. The production of bioethanol is expected to increase the usability of organic waste into something much more useful. This research aims at determining the influence of addition of urea and different fermentation periods on levels of bioethanol from organic waste.
This research was conducted in June to November 2011 in the Laboratory of Biochemistry of Biology Department and Laboratory of Organic Chemistry Department of Chemistry Faculty of Science and Technology of State Islamic University of Maulana Malik Ibrahim Malang. The research design used in this study is a randomized design group (RAK) factorial pattern with 16 treatments and 3 replications in order to obtain 48 units of the experiment.The first factor is the fermentation period that consists of four standard of treatments: 48, 96, 144 and 192 hours. The second factor is the level of urea which consists of four standard of treatment: without urea, urea 2 g / l, urea 4 g / l and urea 6 g / l. The data obtained were analyzed by two-way anava, if there is a difference in the fermentation period and urea levels of variation then it was continued with DMRT test with alpha level of 5%.
The research results showed that the addition of urea and different fermentation period significantly affect toward levels of bioethanol from organic waste. The highest levels of bioethanol is 2,01% it is at 96 hours fermentation period with the addition of urea 4 g/ l.
Item Type: | Thesis (Undergraduate) | |||||||||
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Supervisor: | Suheriyanto, Dwi and Romaidi, Romaidi | |||||||||
Contributors: |
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Keywords: | Bioetanol; Sampah Organik; Urea; Fermentasi; Bioethanol; Organic Waste; Urea; Fermentation | |||||||||
Subjects: | 06 BIOLOGICAL SCIENCES > 0602 Ecology > 060203 Ecological Physiology | |||||||||
Departement: | Fakultas Sains dan Teknologi > Jurusan Biologi | |||||||||
Location: | 060203 | |||||||||
Depositing User: | Imam Rohmanu | |||||||||
Date Deposited: | 07 Jun 2016 20:13 | |||||||||
Last Modified: | 07 Jun 2016 20:13 | |||||||||
URI: | http://etheses.uin-malang.ac.id/id/eprint/2545 |
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