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All Journal Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Journal of Sylva Indonesiana JURNAL AGROINDUSTRI HALAL Jurnal Agroindustri Berkelanjutan
Udin Hasanudin
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Engineering Environmental Science Industrial & Manufacturing Engineering Social Sciences

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POTENSI BIOGAS DARI PROSES REKAYASA AKLIMATISASI BIOREAKTOR AKIBAT PERUBAHAN SUBSTRAT PADA INDUSTRI BIOETHANOL Julfi Restu Amelia; Udin Hasanudin; Erdi Suroroso
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 8, No 3 (2019): September
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1268.862 KB) | DOI: 10.23960/jtep-l.v8i3.224-233

Abstract

Produksi etanol (bioetanol) dari bahan baku biomassa merupakan salah satu cara mengurangi polusi lingkungan dan konsumsi terhadap minyak mentah.  Salah satu bahan bakar yang dapat diperbaharui yakni bioethanol yang merupakan produk turunan dari singkong dan tetes tebu dengan menggunakan teknik proses multiple feedstock system. Industri bioethanol tidak hanya memproduksi produk utama berupa etanol, tetapi juga menghasilkan air limbah dalam jumlah besar. Air limbah bioethanol berbahan baku singkong disebut dengan thinslop, sedangkan air limbah bioethanol berbahan baku tetes tebu disebut dengan vinasse. Adanya proses perubahan substrat dari thinslop ke vinasse akan menyebabkan perubahan beban mikroorganisme dalam penguraian bahan organik . Tujuan dari penelitian yakni  untuk mengukur potensi produksi biogas dari proses rekayasa aklimatisasi perubahan substrat. Penelitian menggunakan tiga bioreaktor CSTR dengan kapasitas 50 L. Perlakuan setiap bioreaktor yakni 50% thinslop dan 50% vinasse; 25% thinslop dan 75% Vinasse, dan 100% Vinasse, dengan laju pembebanan berbeda setiap minggu (0,5 g / L hari, 1,0 g / L hari, 1,5 g / L hari, dan 2,0 g / L hari). Hasil penelitian menunjukkan bahwa nilai potensial biogas dari bioreaktor pertama (50% thinslop: 50% vinasse), bioreaktor kedua (25% thinslop: 75% vinasse), dan bioreaktor ketiga (100% vinasse) berturut-turut yakni 39,39 L/hari, 38,97 L/hari 27,23 L/hari. Hasil penelitian juga menunjukkan bahwa kandungan gas metana secara berturut-turut dari bioreaktor pertama, bioreaktor kedua, dan bioreaktor ketiga (100% vinasse) sekitar 32,67-52,81%, 40,29-67,29%, 20,46-57,33%. Kata kunci : bioethanol, singkong, tetes tebu, bireaktor, aklimatisasi
Karakteristik Kimia dan Fisik Beras Terserang Kutu (Sitophylus oryzae. sp): Chemical and physical characteristics of Rice Infested with lice (Sitophyllus oryzae. sp) Rani Juniarti; Samsu Udayana Nurdin; Siti Nurdjanah; Subeki; Udin Hasanudin
JURNAL AGROINDUSTRI HALAL Vol. 8 No. 2 (2022): Jurnal Agroindustri Halal 8(2)
Publisher : Lembaga Riset dan Pengabdian Kepada Masyarakat Universitas Djuanda Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/jah.v8i2.6741

Abstract

Rice (Oryza sativa) is susceptible to damage during storage including quantity and quality. Rice during storage for a long time will experience a decrease in quality both chemically and physically. This study was aims to determine the chemical and physical properties of rice attacked by lice (Sitophyllus oryzae sp). The experiment was arranged in a Randomized Completely Block Design (RCBD) with treatments in the form of samples of commercial rice, rice free of lice, rice attacked by lice. and by product of lice-attacted rice. The study consisted of 4 treatments with 6 replications. The data will be statistically tested using the SPSS 25 application. All data are further processed with the Least Significant Difference Test (BNT/LSD) at the 5% level. The chemical properties of rice infested with lice cause an increase in moisture content, lower protein content and total starch content. The physical properties of rice attacked by lice caused a decrease in water absorption, oil absorption and whiteness. The results showed that rice that was attacked by pests with moisture content of 13.23%, crude protein content 4.90%, total starch content 73.82%, water absorption capacity of 2.09 g/g, oil absorption capacity of 1.93 g/g and whiteness of 80.23.
Improvement of Falcataria moluccana Root Growth by Giving Empty Palm Oil Fruit Bunches (EFB) Biochar in Growing Media Yunita, Repha Sera; Melya Riniarti; Wahyu Hidayat; Ainin Niswati; Hendra Prasetia; Udin Hasanudin; Irwan Sukri Banuwa; Eva Yunita; Falah Rizkasumarta
Journal of Sylva Indonesiana Vol. 6 No. 01 (2023): Journal of Sylva Indonesiana
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsi.v6i01.7670

Abstract

Sengon (Falcataria moluccana) is a fast-growing species widely planted in Industrial Plantation Forests (IPF/HTI) and has high economic value. The provision of planting material must be well prepared and planned to get the appropriate nursery planting media composition. The Empty Palm Oil Bunches (EFB) biochar application improves soil's chemical and physical properties to provide nutrients for plants. This study aims to determine the effect of the application of EFB biochar on the growth of sengon roots. The experimental design was completely randomized (CRD) by applying four treatment levels and 20 repetitions. The treatments were (A) 100% soil (control), (B) 5% EFB biochar, (C) 10% EFB biochar, and (D) 15% EFB biochar. The data were then analyzed by analysis of variance to see the effect of the treatment on the observed root growth parameters, followed by the 5% Least Significant Difference (LSD) further test to determine differences between treatments. The parameters observed were root length, root volume, root wet weight, and root dry weight. The result showed that the application of EFB biochar increased the growth of sengon roots compared to the control. The greater the dose of the addition of EFB biochar given to the growing media, the more it showed a positive response in improving the growth of sengon roots. In this study, the 15% dose showed the best results compared to other treatments.
ANALISIS SIKAP KONSUMEN TERHADAP ATRIBUT PRODUK KOPI RIGIS (Studi Kasus: BUMDES Kampung Kopi Rigis, Pekon Rigis Jaya, Kecamatan Air Hitam, Kabupaten Lampung Barat) Dimas Ferdian Arisandi; Harun Al Rasyid; Udin Hasanudin; Dewi Sartika
Jurnal Agroindustri Berkelanjutan Vol 2, No 2 (2023): Jurnal Agroindustri Berkelanjutan
Publisher : Jurusan Teknologi Hasil Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jab.v2i2.8153

Abstract

Kampung Kopi is a company that runs in processing various types of coffee products, with the name of the product is Kopi Rigis. Kopi Rigis is a ground coffee product that is still developing with product distribution still limited to certain areas. Therefore, this research was conducted to determine consumer attitude towards the attributes of Kopi Rigis to be used as a consideration for product development strategy. This research was conducted using the Fishbein Multiattribute method to determine the level of consumer belief and evaluation, also the importance performance analysis method to determine the level of importance and performance level of consumers on the attributes of Kopi Rigis products. The results of the attitude scores for each attribute are; 16.20 for the taste, 17.34 for the aroma, 12.84 for the variant, 15.38 for the price, and 14.83 for the packaging. While the results of the importance performance analysis shows the attributes of Kopi Rigis obtained a total value of 20.57 for the importance level and 15.58 for the performance level. Consumer attitudes as a whole attribute of Kopi Rigis is neutral with a total attitude value of 76.59. The taste and aroma attributes were assessed positively with an attitude value of 16.20 for the taste attribute and 17.34 for the aroma attribute. Meanwhile, the variant, price, and packaging attributes showed a neutral attitude with an attitude value of 12.84 for the variant attribute, 15.38 for the price attribute, and 14.83 for the packaging attribute. Attributes of Kopi Rigis that included in Quadrant I are the price, because these attribute are considered important in influencing consumers to buy the products and it is requiring an adjustment. The taste and aroma are included in Quadrant II, while the variant and packaging are included in Quadrant III.
Co-Authors Ainin Niswati DEWI SARTIKA Dimas Ferdian Arisandi Erdi Suroroso Eva Yunita Falah Rizkasumarta Harun Al Rasyid Hendra Prasetia Indra Gumay Febryano Irwan Sukri Banuwa Jiho Yoo Julfi Restu Amelia, Julfi Restu Melya Riniarti Rani Juniarti Samsu Udayana Nurdin Sangdo Kim Sihyun Lee Siti Nurdjanah Subeki Wahyu Hidayat Yogi Sulistio Yunita, Repha Sera