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All Journal International Journal of Advances in Applied Sciences Industria: Jurnal Teknologi dan Manajemen Agroindustri Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Rona Teknik Pertanian

Santosa Santosa

Andalas University

Author-ID : 2412849

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Other

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Articles

Effect of heating temperature on quality of bio-briquette empty fruit bunch fiber Nofriady Handra; Anwar Kasim; Gunawarman Gunawarman; Santosa Santosa
International Journal of Advances in Applied Sciences Vol 9, No 3: September 2020
Publisher : Institute of Advanced Engineering and Science

Empty Fruit Bunches (EFB) are one of the palm oil industry wastes, which are quite plentiful and currently unused optimally. Biomass is one of the renewable energy resources which has important roles in the world. The bio-briquettes are manufactured through densification of waste biomass by implementing certain processes. This research aimed to obtain variations in the mold temperature at 150 ºC, 200 ºC, and 250 ºC to the calorific value and toughness of the briquette material. The toughness was tested using ASTM D 440-86 R02 standard. Arduino program was used for setting the heating resistance time of the mold, which was 20 minutes and the thermal controller was used to adjust the temperature variation. The average mold pressure was 58 Psi. The highest heating value was obtained at a mold temperature of 250 ºC with a value of 5256 cal/g, and the lowest was resulted at a temperature of 150 ºC (4117 cal/g). Meanwhile, the briquette toughness test at 200 ºC mold temperature indicated good data results in which the average loss of fiber particles was only 4.17 %, this was because the adhesion between particles by lignin and cellulose in the fiber functions optimally at this temperature so that the resistance of briquettes went through minor damage.

Model Konseptual Pengembangan Agroindustri Minyak Nilam di Pasaman Barat Menggunakan Sistem Dinamik Dina Rahmayanti; Rika Ampuh Hadiguna; Santosa Santosa; Novizar Nazir
Industria: Jurnal Teknologi dan Manajemen Agroindustri Vol 6, No 3 (2017)
Publisher : Department of Agro-industrial Technology, University of Brawijaya

Abstrak Badan Pusat Statistik Nasional (BPS) menyatakan jumlah produksi dan produktivitas minyak nilam Sumatera Barat khususnya Pasaman Barat mengalami penurunan beberapa tahun terakhir. Menurunnya produksi nilam Pasaman Barat tentunya akan berpengaruh langsung pada nilai ekspor Indonesia. Posisi Indonesia sebagai negara penghasil minyak nilam dunia akan melemah. Penelitian ini bertujuan menggambarkan kompleksitas agroindustri minyak nilam di Pasaman Barat yang dimulai dari suplai bahan baku di tingkat petani hingga pemasaran produk berupa minyak nilam di tingkat pengumpul. Adapun tahapan yang dilakukan dalam penelitian ini adalah survei dan wawancara kepada pelaku agroindustri minyak nilam di Pasaman Barat, studi literatur, membangun model rantai pasok agroindustri minyak nilam di Pasaman Barat, menentukan faktor yang mempengaruhi produksi minyak nilam di sepanjang rantai pasok, menentukan hubungan antar faktor dan pembuatan rantai untuk setiap tahapan. Pengambilan data dilakukan melalui wawancara dan mengambil data yang sudah ada di BPS. Faktor harga minyak nilam saat ini merupakan faktor yang mempengaruhi jumlah stok nilam pada ketiga level model. Jika harga meningkat maka stok pada masing-masing level meningkat, atau sebaliknya jika harga turun maka stok akan mengalami penurunan. Diduga faktor harga merupakan pemicu utama menurunnya produktivitas nilam di Pasaman Barat beberapa tahun terakhir.Kata kunci: agroindustri, minyak nilam, model konseptual, sistem dinamik AbstractBadan Pusat Statistik Nasional (BPS) shows that the number production and productivity of patchouli oil at West Sumatra, especially in West Pasaman has decreased in recent years. The decline of patchouli production will have an immediate effect on Indonesia export value. Indonesia position as the producer of patchouli oil in the world will weaken. This study aims to illustrate the complexity of patchouli oil agro-industry in Pasaman Barat starting from the raw material supply at the farmer level to the marketing of patchouli oil at the collecting level. The stages of this research were survey and interview to the actors of patchouli oil agro-industry in Pasaman Barat, literature study, design supply chain of patchouli oil agro-industry in Pasaman Barat, determine the factors that influence the production of patchouli at supply chain stages, determine the relationship between factors and making the chain for each stage. Data collection were done through interviews and data that already exist in BPS. Patchouli oil current price is a factor affecting the amount of patchouli stock at the third level of the model. If price increase, stock at each level also increase, otherwise if the price falls then the stock will decrease. Perhaps the price factor is the main trigger of the decline in patchouli productivity in West Pasaman in recent years.Keywords: agro-industry, conceptual model, dynamic system, patchouli oil

Manajemen Risiko Rantai Pasok Agroindustri Gula Merah Tebu di Kabupaten Agam, Provinsi Sumatera Barat Sandra Melly; Rika Ampuh Hadiguna; Santosa Santosa; Nofialdi Nofialdi
Industria: Jurnal Teknologi dan Manajemen Agroindustri Vol 8, No 2 (2019)
Publisher : Department of Agro-industrial Technology, University of Brawijaya

Abstrak Agroindustri gula merah tebu merupakan agroindustri yang mengolah tebu hasil perkebunan rakyat menjadi gula merah (Saka). Pasokan bahan baku dan pengolahannya yang masih tradisional menimbulkan berbagai masalah dalam pengembangannya termasuk risiko rantai pasoknya. Penelitian ini bertujuan untuk mengidentifikasi sumber dan faktor risiko serta melakukan evaluasi dan pengendalian risiko yang dianalisis menggunakan ANP (Analytical Network Process) serta wawancara mendalam dengan pakar. Hasil penelitian menunjukkan bahwa produksi (24,42%) merupakan sumber risiko utama dan diikuti risiko pemasaran (20,19%), risiko sumber daya manusia (18,75%), risiko finansial (18,37%) dan risiko kelembagaan (18,27%). Penilaian terhadap prioritas jenis risiko yang potensial terjadi adalah risiko kualitas produk, fluktuasi harga dan kebijakan pemerintah. Faktor OKP (Operational Key Process) menjadi prioritas utama dalam manajemen rantai pasok Saka dengan lebih ditekankan pada perbaikan manajemen produksi (41,17%). Alternatif utama dalam pengendalian risiko yang akan dilakukan adalah dengan cara melemahkan risiko (42,21%). Hal ini dapat dilakukan dengan perbaikan kualitas bahan baku dan teknologi pengolahan Saka serta dukungan pemerintah termasuk dalam menjaga stabilitas harga Saka.Kata kunci: analytical network process, gula merah tebu, manajemen risiko, rantai pasok Abstract Brown Sugar cane agroindustry is agroindustry that traditionally processes sugar cane supplied by farmers into brown sugar (Saka). This condition creates various problems in its development, including its supply chain risk. This study aims to identify sources and risk factors as well as evaluate and control risks analyzed using ANP (Analytical Network Process)and in-depth interviews with experts. The results showed that production (24,42%) was the main risk and was followed by marketing risk (20,19%), human resources risk (18,75%), financial risk (18,37%) and institutional risk (18,27%). An assessment of the potential types of risks is the risk of product quality, price fluctuations, and government policies. OKP (Operational Key Process) factor is a top priority in Saka supply chain management with more emphasis on improving production management (41.17%). The main alternative in risk control will be carried out by weakening the risk (42.21%). This will be done by improving the quality of raw materials, improving the manufacture technology of Saka, and government support, including to keep the stability of Saka's prices. Keywords: analytical network process, brown sugarcane, risk management, supply chain

Evaluasi Kinerja dan Energi pada Aktivitas Penyemprotan Padi di Sumatera Barat Muhammad Iqbal Abdi Lubis; Renny Eka Putri; Ashadi Hasan; Feri Arlius; Santosa Santosa
Rona Teknik Pertanian Vol 12, No 2 (2019): Volume 12, No. 2, Oktober 2019
Publisher : Department of Agricultural Engineering, Syiah Kuala University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/rtp.v12i2.14721

Abstrak. Teknik penyemprotan adalah salah satu aktivitas yang berperan dalam mengoptimalkan pertumbuhan padi. Penyemprotan dilaksanakan petani untuk melindungi padi dari hama, penyakit, dan juga untuk menstimulasi pertumbuhan padi dan biasanya dilakukan pada 15 HST. Selama kegiatan produksi pertanian, energi input selama kegiatan berlangsung dapat diketahui berdasarkan beberapa parameter energi. Beberapa input energi yang dievaluasi pada aktivitas penyemprotan adalah energi pestisida dan energi operator (manusia). Tujuan dari penelitian ini mengevaluasi energi dari aktivitas penyemprotan, analisis teknis kerja, dan membandingkan energi manusia yang dihitung dengan alat (Garmin forerunner 35) dan faktor konversi. Aktivitas penyemprotan pada penelitian ini dianalisis pada 5 petak sawah pada 15 HST. Total pestisida yang digunakan dan rata-rata energi pestisida adalah 0,3419 kg/ha dan 67,6612 MJ/ha. Pada saat penyemprotan operator menggunakan knapsack manual (kap. 16 liter). Kapasitas kerja efektif untuk penyemprotan adalah 51,9759 l/ha. Energi operator yang dihitung menggunakan alat dan faktor konversi adalah 5,2480 dan 2,4243 MJ/ha. Hal ini menunjukkan bahwa energi terbesar pada aktivitas penyemprotan terdapat pada energi pestisida dan yang paling kecil adalah energi manusia.Energy and Performance Evaluation on Spraying Activity Paddy in Sumatera BaratAbstract. Spraying technique is one of the activities in optimize the growth of rice plants. Spraying is doing by farmers to protecting paddy from pest, disease, and also to stimulate growth up of the paddy usually since paddy at 15 DAP. In the process of agricultural production, input production facilities can be assessed as an energy parameter. Some energy input which evaluating in spraying activities are pesticides and labor energy. The objectives of this study are evaluated energy of spraying activity, analyzed technical performance, and compared between labor energy analyzed by tools (Garmin forerunner 35) and conversion factor. The spraying activity in this study has analyzed on five plots of the paddy field at 15 DAP. The results showed 0.3419 kg/ha and 67.6612 MJ/ha for pesticides used and the average of pesticide energy. respectively. For spraying activity, the labor used manual knapsack (cap. 16 liters). The effective work capacity for spraying is 51.9759 l/h. The labor energy which calculated by tools and conversion factor are 5.2480 and 2.4243 MJ/ha. It means which on spraying activity the largest input energy came from pesticides and the lowest one is labor energy.

Non-Destructive Evaluation of Oil and Free Fatty Acid Content of Oil Palm Fresh Fruit Bunch Based on Thermal Properties Using Partial Least Square (PLS) Monica Guspa; Muhammad Makky; Santosa Santosa; Dinah Cherie
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol 13, No 3 (2024): September 2024
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v13i3.772-781

Indonesia is the largest producer of palm oil in the world, contributing 59 % of global production in 2022. The palm oil industry is a pillar of the economy and a source of foreign exchange through agricultural exports. To increase productivity and global competitiveness, strategies are needed, including improving cultivation technology and determining optimum harvest times through the application of appropriate cultivation technology. This research aims to increase oil palm productivity by focusing on the harvest time of Fresh Fruit Bunches (FFB). The sample used was Tenera variety palm FFB with two levels of ripeness, namely 140-160 DAP and 200-220 HSP. Non-destructive technology can accurately measure the optimum ripeness level of FFB. This approach uses thermal camera technology for nondestructive evaluation, recording the intensity of infrared radiation from TBS. All measurement parameters resulting from thermal image processing (RGB, L*a*b and temperature) will be used as input variable data to be modeled with oil content free fatty acid data in the laboratory. The model design will be built using the Principal Component Analysis (PCA) and Partial Least Square (PLS) methods. The results showed that the coefficient of determination (R2) for oil content was 0.8681 and free fatty acid content was 0.786. Keywords: FFB, Nondestructive, Oil content, PLS, Thermal properties

Co-Authors Anwar Kasim Ashadi Hasan Cherie Dinah, Cherie Dina Rahmayanti Feri Arlius G Gunawarman, G Monica Guspa Muhammad Iqbal Abdi Lubis Muhammad Makky Nofialdi, Nofialdi Nofriady Handra, Nofriady Novizar Nazir Renny Eka Putri, Renny Eka Rika Ampuh Hadiguna Sandra Melly

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