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All Journal Jurnal Teknologi Prosiding Semnastek JURNAL CITRA WIDYA EDUKASI Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Journal of Applied Sciences and Advanced Technology Jurnal Teknik Mesin Mechanical Xplore
Istianto Budhi Rahardja
Politeknik Kelapa Sawit Citra Widya Edukasi
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Karakteristik Briket Pelepah Kelapa Sawit Menggunakan Metode Pirolisis Dengan Perekat Tepung Tapioka Dani Saputra; Ahdiat Leksi Siregar; Istianto Budhi Rahardja
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 3 Nomor 2 Tahun 2021
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v3i2.1973

Abstract

The energy crisis in Indonesia is marked by the increasing scarcity of fuel oil in the midst of society. One of the alternative energy sources is charcoal briquettes, where the ingredients are derived from solid waste from palm fronds. This study aims to determine the characteristics of oil palm midrib briquettes with 50% tapioca flour adhesive. The palm fronds were chopped to a size of ± 5 cm and then put into the pyrolysis chamber. Oil palm fronds were burned with a little oxygen at a temperature of 200-300⁰C for 3 hours. The result of pyrolysis combustion from oil palm fronds in the form of charcoal, then ground and filtered with a mesh of 60. The charcoal is glued with tapioca flour in a ratio of 2:1. Briquette testing is carried out at the Briquette Testing Laboratory provider to determine the parameters of combustion time, calorific value, moisture content, ash content, and carbon content that occur. From the test results, the following parameters are obtained: the average burning time is 1 minute/gr, the calorific value is 5.361kcal/kg wet basis and 5.863 kcal/kg dry basis, the water content is 8.56%, the ash content is 6.84 % wet basis and 7.48% dry basis, volatile matter is 36.96% wet basis and 40.42% dry basis and fixed carbon 47.64% wet basis and 52.10% dry basis.
Pengaruh Program Waktu Perebusan pada Horizontal Sterilizer Pabrik Kapasitas 30 Ton TBS/Jam terhadap Unstripped Bunch (USB), Fruit Loss in Empty Bunch (FEB) dan Empty Bunch Stalk (EBS) Istianto Budhi Rahardja; Yudi Dermawan; Muhammad Soleman
JURNAL CITRA WIDYA EDUKASI Vol 10 No 1 (2018): JCWE Edisi April 2018
Publisher : Politeknik Kelapa Sawit Citra Widya Edukasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (939.745 KB)

Abstract

Process of sterilizing fresh fruit bunches (FFB) in SOGM Palm Oil Mill (POM) uses automation method, where the opening and closing of the inlet steam valve, exhaust valve and condensate valve based on predetermined time. There are three types of sterilizing program used, ie 84 minutes, 87 minutes and 91 minutes. In order for the sterilizing process to obtain time efficiency and also get the best result, then you should choose one of the best of the three. The purpose of this research is to know the effect of sterilizing time program on Unstripped Bunch (USB), Fruit Loss in Empty Bunch (FEB) and Empty Bunch Stalk (EBS). The method used in this research is to experiment directly to know its influence. The result showed that the length of sterlizing time has a negative effect on USB and FEB, which means the longer the sterilizing time will be the smaller percentage of USB and FEB; and positive effect on EBS, which means the longer the sterilizing time will be the higher the percentage of EBS.
Perpindahan Panas Fiber Roof Building Kelapa Sawit (Elaeis Guineensis Jacq.) Istianto Budhi Rahardja
JURNAL CITRA WIDYA EDUKASI Vol 9 No 3 (2017): JCWE Edisi Desember 2017
Publisher : Politeknik Kelapa Sawit Citra Widya Edukasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (948.717 KB)

Abstract

Palm oil fiber are waste produce of a plant oil palm shaped splinters, solids, in length 3 – 4 cm , that is in the mesocarp of palm oil. Fiber knowing building is the result utilization of waste palm oil fiber as the roof of the building which used to quell heat of sunlight or from the heat source, so he could not directly exposed to to the people and surrounding environment. Fiber knowing building made by putting together fiber in in a mold and arranged with to dimension to be made. To bind between fiber, be used resin that has been in have get mixed material a catalyst so easy to dry quickly .The comparison between resin by fiber is 1: ¼. The results of the testing of heat conduction of the displacement that has been carried out on a body fiber test able to reduce heat the highest as much as 125°C and the lowest is 109°C from a source of heat is imparted much as 200°C. This shows that palm oil fiber can be used as an ingredient of the damper of heat to of building.
Rencana Pengelolaan Limbah Cair Pabrik Kelapa Sawit (LCPKS) untuk Land Application Istianto Budhi Rahardja; Sri Rejeki Ambarita
JURNAL CITRA WIDYA EDUKASI Vol 9 No 1 (2017): JCWE Edisi April 2017
Publisher : Politeknik Kelapa Sawit Citra Widya Edukasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (651.292 KB)

Abstract

Liquid waste palm oil mill (LCPKS) is the result of the production of palm oil mill (POM) in the form of liquid besides CPO and PKO average often called to the by-product. LCPKS first be held in the pool waste prepared, and will be used to oversee the use of herbs of land application. Analysis performed on design pond waste, size pond actual that has been done, and data management LCPKS to land application. Research methodology uses the literature based on the results of the analysis that was done on waste treatment to land application generally in the POM, and data will processed using simple mathematic analysis. We do the comparison between design pond waste by needs a pond for manage LCPKS and needs LCPKS to land application. Based on the data obtained that planned a pond for processing LCPKS in POM 24,955.2 m3 capable of accommodate needs LCPKS to land application 163.8 m3 and needs the quantity of LCPKS that must be conducted for land application is 360 tons per day.
Keseimbangan Energi Biomassa Gas Metan PLTGU 20 MW Istianto Budhi Rahardja
JURNAL CITRA WIDYA EDUKASI Vol 7 No 2 (2015): JCWE Edisi Nopember 2015
Publisher : Politeknik Kelapa Sawit Citra Widya Edukasi

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Abstract

The energy balance in the composition of methane gas is the result of mass changes from a gaseous mass to another mass (calorie and other mass) from the burning of methane gas in the Gas-Steam Power Plant system. The result of the combustion of methane will produce heat and waste products of combustion such as carbon dioxide, moisture, oxygen, and nitrogen. The calorie produced is used in the power plant system, while the waste of the result of combustion are released into the environment. The balance of energy in the combustion of methane gas have calorific, enthalpy and entropy values. The methane gas that will be changing from the gas into heat energy and combustion results done by the provision of a high temperature so that the methane exceeds the threshold value. The methane gas that goes into the power plant system will be changed by the heat energy that has been formed to drive a gas turbine and heat water in the boiler to drive a steam turbine. The result of the combustion of methane gas is used to drive the power plant that had been planned. The combustion of methane gas with an average composition of methane 22.8 Kg/s and oxygen at 6.7 Kg/s would produce a balance in the oven for 22.8 CO2; 45.6 H2O; – 38.9 O2; 25.192 N2. The calorific value and X destroyed formed amounted to 1,156,425.1 KJ/s; 3,829,334.1328 MJ/Kmol CH4.
Perhitungan Kualitas Beton Menahan Beban Di Stasiun Loading Ramp Pabrik Pengolahan Kelapa Sawit Istianto Budhi Rahardja; Gerhard Alex Sitorus
JURNAL CITRA WIDYA EDUKASI Vol 5 No 1 (2013): JCWE Edisi Mei 2013
Publisher : Politeknik Kelapa Sawit Citra Widya Edukasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (509.445 KB)

Abstract

Stasiun loading ramp sebagai tempat penampungan tandan buah segar yang akan diproses lebih lanjut dengan rancangan berbentuk miring, sehingga memerlukan pekerjaan sipil yang baik dalam pembuatannya. Konstruksi stasiun loading ramp dibentuk oleh beton cor dengan bahan campuran yang telah ditentukan. Tujuan dari penelitian ini adalah untuk mengetahui kualitas/kekuatan beton di stasiun loading ramp dan mengetahui beban yang ada di stasiun loading ramp. Dalam menguji kekuatan kualitas beton cor, dibentuk cetakan kubus 15 cm X 15 cm X 15 cm pada setiap sisinya. Berdasarkan hasil penelitian hasil kuat tekan beton yang dihasilkan dari hasil pengujian memiliki kuat tekan beton yang lebih besar, yaitu 284,52 Kg/cm2 dibandingkan dengan standar kuat tekan beton, yaitu 276,47 Kg/cm2 (lebih kuat 0.0282% dari standar Laboratorium Bahan dan Konstruksi Fakultas Teknik UNTAN)
Efektivitas Proses Pembuangan Udara Melalui Pipa Condensate pada Stasiun Rebusan (Stirilizer) di Pabrik Kelapa Sawit Istianto Budhi Rahardja; Muhammad Sopyan
JURNAL CITRA WIDYA EDUKASI Vol 4 No 2 (2012): JCWE Edisi Nopember 2012
Publisher : Politeknik Kelapa Sawit Citra Widya Edukasi

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Abstract

Pabrik pengolahan kelapa sawit dalam memperoleh hasil Crude Palm Oil (CPO) melalui proses perebusan pada stasiun stylizer untuk memisahkan brondolan dan janjangan kosong, yang kemudian akan diperas (press) menjadi CPO. Proses perebusan di stasiun styrilizer mempergunakan 3 (tiga) titik puncak tekanan dalam perebusan dan membuang udara yang berada di dalam perebusan melalui pipa condensate dengan persentase pembuangan udara 86.88 %, serta memperoleh hasil persentase Unstripped Bunch (USB) : 2.2 % ; Fruit Loss In Empty Bunch : 0.04 % dan Oil Loss In Empty Bunch : 0.32%.
Analisa Penentuan Ketinggian Keluaran Air Pada Pompa Hydram Istianto Budhi Rahardja
JURNAL CITRA WIDYA EDUKASI Vol 4 No 1 (2012): JCWE Edisi Mei 2012
Publisher : Politeknik Kelapa Sawit Citra Widya Edukasi

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Abstract

Pompa hydram adalah pompa yang bekerja berdasarkan atas tekanan kerja katup yang ditekan oleh aliran air dari ketinggian tertentu sampai nilai pengeluaran air (output) yang melebihi dari permukaan awal. Pompa hydram merupakan pompa yang tidak mempergunakan tenaga listrik atau tenaga BBM, sehingga penggunaan dari pompa hydram dapat bekerja selama 24 jam tanpa memerlukan energy listrik. Pompa hydram sangat cocok dipergunakan untuk daerah yang mempunyai topografi yang sangat signifikan dan daerah yang jauh dari sumber air.
Analisa Pengaruh Pendinginan Pada Bahan Besi Istianto Budhi Rahardja
JURNAL CITRA WIDYA EDUKASI Vol 3 No 2 (2011): JCWE Edisi Nopember 2011
Publisher : Politeknik Kelapa Sawit Citra Widya Edukasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (176.411 KB)

Abstract

Logam besi merupakan bahan logam ferro yang mempunyai kadar karbon 0,05 % - 0,30 % C yang dipergunakan pada bidang industri dan masyarakat umum. Untuk mengetahui kekuatan bahan logam besi dapat dipergunakan pengujian dengan memberikan beban. Pemberian beban yang dilakukan adalah sebesar ½ kg, 1 kg, 1 ½ kg, dan 2 kg dengan tujuan untuk mengetahui jarak pengukuran lengkungan pada bahan logam besi berdiameter 6 mm serta panjang bahan 100 cm. Dengan memberikan perlakuan pada bahan logam tersebut, yaitu dengan memanaskan logam sampai 200°C kemudian memberikan pendinginan secara cepat dengan zat cair (air, minyak goring, dan oli), maka di peroleh jarak pengukuran lengkungan benda sebesar 15,25 % - 28,02 % dari bahan logam yang tidak dilakukan perlakuan.
Analisa Pengaruh Retention Time terhadap Persentase Kadar Kotoran pada Crude Palm Oil (CPO) St. Nugroho Kristono; Istianto Budhi Rahardja; Anita Rahayu
JURNAL CITRA WIDYA EDUKASI Vol 3 No 2 (2011): JCWE Edisi Nopember 2011
Publisher : Politeknik Kelapa Sawit Citra Widya Edukasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (323.249 KB)

Abstract

Retention time merupakan metode pengendapan pada suatu zat cair untuk menurunkan partikel-partikel berat dan sangat kecil di dalam suatu bejana. Metode ini menggunakan waktu tunggu untuk menurunkan kotoran yang terikut/terbawa oleh Crude Palm oil (CPO) yang masuk dalam bejana, dan memurnikan CPO sebelum ditempatkan pada proses akhir (storage tank) dari Pabrik Minyak Kelapa Sawit. Penelitian ini dilaksanakan pada bulan Mei 2011 bertempat di Pabrik Kelapa Sawit Baras Kabupaten Mamuju Propinsi Sulawesi Barat. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh Retention Time terhadap persentase kadar kotoran pada Crude Palm Oil (CPO) di Pabrik Kelapa Sawit. Berdasarkan hasil penelitian terlihat bahwa Retention time memiliki hubungan negatif atau berbanding terbalik terhadap kadar kotoran yaitu semakin lama retention time maka kadar kotoran pada CPO akan semakin rendah. Besarnya pengaruh retention time terhadap kadar kotoran dari hasil analisa statistik yaitu sebesar 63,895% dan sisanya sebanyak 36,105% dipengaruhi oleh faktor lainnya.
Co-Authors Abduh Al Afghani Adhes Gamayel Agustiawan Agustiawan Ahdiat Leksi Siregar Ahmad Mahfud Akmal Imam Faisal Alvika Meta Sari Anita Rahayu Anwar Ilmar Ramadhan Azhar Basyir Rantawi Cenda E. Hasibuan Dani Saputra Daruki Daruki Deni Almanda Djoko Hadi Prajitno Dodi Mulyadi Edwin Haryanto Efrizon Umar Efrizon Umar Erlangga Abinanda Ery Diniardi Fikriyansyah Fikriyansyah Firmansyah Firmansyah Gerhard Alex Sitorus Hayya Afifah Januar Parlaungan Siregar Juni Afriani Kezia Alfa Sarandon Kushendarsyah Saptaji M Rifqi Aziz M. Subroto Aliredjo Mohd Hamisa Abdul Hamid Muhammad Dadi Saputra Muhammad Malik Arifandi Muhammad Soleman Muhammad Sopyan Mutiara Salsabila Nana Rahdiana Priyantini Dewi Rahmawati Suryani Rian Fitriana Riyan Ariyansah Samsi Samsi Siti Purwani Sobri Sobri Sobri Sobri Sri Rejeki Ambarita St Nugroho Kristono St. Nugroho Kristono St. Nugroho Kristono Sukarman Sukarman Sukarman Sumanto Teguh Binardi Tri Yuni Hendrawati Yudi Dermawan Yusuf Aditya Nugraha