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All Journal MEDIA PETERNAKAN - Journal of Animal Science and Technology Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Ilmu Pertanian Indonesia Jurnal Teknologi Industri Pertanian E-jurnal Agro-Industri Indonesia Jurnal Ilmu Komputer dan Informasi Reaktor Ekonomi Bisnis Jurnal Sains Dasar Syntax Jurnal Informatika TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics Journal of Telematics and Informatics Jurnal Penelitian Hasil Hutan Agrointek Perspektif : Review Penelitian Tanaman Industri JURNAL PASTI (PENELITIAN DAN APLIKASI SISTEM DAN TEKNIK INDUSTRI) Sinergi Jurnal Pangan dan Agroindustri Journal of Regional and City Planning Jurnal Riset Industri agriTECH Biota Planta Tropika Jurnal Teknologi dan Sistem Komputer JEPA (Jurnal Ekonomi Pertanian dan Agribisnis) Jurnal Teknologi & Industri Hasil Pertanian Krea-TIF: Jurnal Teknik Informatika International Journal of Supply Chain Management Menara Perkebunan ComTech: Computer, Mathematics and Engineering Applications Jurnal Bisnis dan Kewirausahaan Indonesian Journal of Electrical Engineering and Computer Science Jurnal Penelitian Hasil Hutan Perspektif, Review Penelitian Tanaman Industri Journal of Computer Science and Engineering (JCSE) Journal of Applied Data Sciences Agroradix : Jurnal Ilmu Pertanian Makara Journal of Technology Journal of Fibers and Polymer Composites Jurnal Teknologi Lingkungan Jurnal Sains dan Kesehatan Jurnal Penelitian Hasil Hutan International Journal of Oil Palm

Erliza Hambali

Departemen Teknologi Industri Pertanian, Fakultas Teknologi Pertanian, IPB University, Bogor, Indonesia

Author-ID : 205194

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Social Sciences Transportation

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KINERJA OIL SPILL DISPERSANT DALAM PROSES BIOREMEDIASI TANAH TERCEMAR MINYAK BUMI (STUDI KASUS TANAH TERCEMAR MINYAK BUMI LAPANGAN XYZ) Imam Chanif, Erliza Hambali, dan Mohamad Yani
Jurnal Teknologi Industri Pertanian Vol. 27 No. 3 (2017): Jurnal Teknologi industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

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Oil spill dispersant (OSD) is a surfactant product that serves as dispersant. OSD has been widely used and proven to be effective in oil spills both in the sea and in the land. The OSD-SBRC (Surfactant and Bioenergy Research Center) IPB was produced from palm oil, while the commercial product of OSD S200 was made from LAS (Linear Alkyl Benzene Sulfonate) based from petroleum. Application of OSD in bioremediation testing occurred on petroleum contaminated soil from the field with initial total petroleum hydrocarbon of 6-10%. The treatment of dispersant to oil ratio (DOR) was at 0.5:1 and 1:1. The contaminated soil was added with Pseudomonas aeruginosa and fertilizers (Urea and SP36) to support bacterial growth. The environmental soil conditions during the bioremediation process were observed as pH, moisture content, and temperature. The OSD performance in bioremediation process was measured as TPH (Total Petroleum Hydrocarbon) and TPC (Total Plate Count). The results showed that pH, moisture content and temperature levels were at optimum condition for bacterial growth to optimally degrade the hydrocarbon. The result of TPC value showed that treatment with the addition of OSD S200 caused inhibition of microbial growth P. aeruginosa bacteria. The TPH measurements showed that treatment with OSD SBRC with DOR (0.5:1) was able to degrade hydrocarbons up to 89.62%. The bioremediation process using OSD-SBRC was better than OSD S200.Keywords: bioremediation, hydrocarbon, OSD, surfactant

ANALISIS NILAI TAMBAH NATRIUM LAURAT DAN KALIUM PALMITAT SEBAGAI BAHAN BAKU FOAMING AGENT PEMADAM KEBAKARAN Purwo Subekti; Erliza Hambali; Ani Suryani; Prayoga Suryadarma; Bambang Hero Saharjo
Jurnal Teknologi Industri Pertanian Vol. 30 No. 3 (2020): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24961/j.tek.ind.pert.2020.30.3.355

The calculation of the added value of using a foaming agent based on sodium lauric and potassium palmitate for palm oil as a peatland fire suppression needs to be studied. This was to determine prospects for further development because it is predicted that peatland fires will continue to recur every year during the dry season. The Hayami method used to analyze the added value of sodium lauric and potassium palmitate as the primary raw materials for foaming agents. The results showed that the production of foaming agents for peatland firefighting applications made from sodium laurate and potassium palmitate of palm oil provided added value with positive criteria, i.e. the ratio of value-added criteria was 80.87% (> 0). In addition to that, the business also provided high-profit categories because the added value category ratio was 80.87% (> 40%). From the analysis of remuneration, it was produced that the foaming agent production business was a capital-intensive since the contribution of the labour income value was 0.89%, other expenses contributed 3.73% and the profit from the entrepreneur as the owner capital of 95.37% which was the largest contribution in providing profit margins. However, the development of a foaming agent production business based on palm oil fatty acids will add new jobs and create new economic impacts in the area of the business locations as well as to increase the amount of palm oil derivative products. Keywords: added value, foaming agent, sodium lauric, potassium palmitate, palm oil

SURFAKTAN UNTUK BAHAN BAKAR SOLAR DAN BIODIESEL Firda Dimawarnita; Erliza Hambali
Jurnal Teknologi Industri Pertanian Vol. 31 No. 2 (2021): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24961/j.tek.ind.pert.2021.31.2.120

The government has determined that Indonesia is gradually implementing biodiesel as a substitute for fossil fuels. In September 2018 the B20 rule was established, then B30, and by the end of 2020 it became B50. That means 20%, 30%, and 50% of fuel is biodiesel. Fatty acid methyl ester (FAME) known as biodiesel which is synthesized from palm oil produces a high yield, up to 95%. However, in practice mixing FAME and diesel oil still has obstacles such as FAME will separate from diesel and form a gel, this is due to the hygroscopic nature of FAME and higher density of FAME compared to diesel oil. The decline in the quality of biodiesel is also caused by changes in some chemical and physical characteristics during storage. To overcome these problems, an emulsifier or surfactant solution is needed to homogenize the mixture of diesel fuel and biodiesel. Surfactants in biodiesel not only function as emulsifiers but also provide other added values, such as reducing hydrocarbons, CO, CO2, and NOx in exhaust gas emissions when compared to without surfactants. Some literature suggests that 35% reduction in hydrocarbon emissions occurs when Jatropha methyl ester has been mixed with surfactant and nano carbon compared to Jatropha methyl ester alone. The use of nano additives also showed differences in the stability of biodiesel and surfactants, the addition of nano additives in the form of nano carbon and nano cerium increased the stability and homogeneity of biodiesel for longer. Thus, biodiesel can be stable for a certain period of time. This review will show the various types of emulsifiers used in fuel mixing and the time of stability formed.Keywords: biodiesel, emulsifer, homogenization, palm oil, diesel fuel

FORMULASI CAIRAN PEMBERSIH AIR CONDITIONER (AC) BERBASIS METIL ESTER SULFONAT (MES) Devy Setyana; Moh Yani; Erliza Hambali
Jurnal Teknologi Industri Pertanian Vol. 31 No. 2 (2021): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24961/j.tek.ind.pert.2021.31.2.232

Cleaning is one of the air conditioner (AC) treatments that should be done within a certain period to maintain its function. The AC cleaning process cannot separate from the use of cleaning fluid as one of the main ingredients. This study aimed to obtain the most efficient formulation of AC cleaner fluid from Methyl Ester Sulfonate (MES) with Hydrogen Fluoride (HF) in improving performance and seeing the effect of sonication on the effectiveness of detergent in resulting the AC cleaner. The AC cleaner formulation used the two factors Completely Randomized Design method, namely MES deposition (10%, 20%, 30%) and HF concentration (1%, 2%, 3%). The combination stage was based on parameters of density, viscosity, surface testing, wetting, and pH. From these testers, the three best treatments were M10H3 (MES 10% + HF 3%), M20H3 (MES 20% + HF 3%), M30H3 (MES 30% + HF 3%). Three samples were tested for detergency so that the best treatment was M30H3 (MES 30% + HF 3%). Sonication treatment was able to improve the properties of the resulting AC cleaner, with the density value of 1.0193 g/cm3 to 1,0001 g/cm3 , surface tension from 23.676 dyne/cm to 20.765 dyne/cm, contact angle from 32.37oto 20.5 o, pH from 2.44 to 2.9, and particle size from 10.85 μm to 158.27 nm. The post-state sample had a higher detergency power than before sonication that can increase cleaning ability by as much as 70%. However, the resulting formulation did not have a higher detergency level than commercial AC cleaner brand X.Keywords: AC Cleaner, air conditioner, HF, MES, sonication

FORMULASI PEMBUATAN BIOGREASE DENGAN BASE OIL EPOKSI RBDPO M Luqmanul Hakim; Erliza Hambali; Dwi Setyaningsih
Jurnal Teknologi Industri Pertanian Vol. 31 No. 3 (2021): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24961/j.tek.ind.pert.2021.31.3.364

Biogrease is a semi-solid lubricant produced using vegetable oil. The biogrease consists of base oil andthickening agent. Base oil modification is done to change properties such as viscosity, adhesive properties to iron,etc. which have an impact on tribological properties. One of the modifications made is the epoxidation of the baseoil to increase the viscosity value. Epoxidation of the olein fraction /RBDPO (Refined Bleached Deodorized PalmOlein) was carried out by reacting olein with acetic acid and peroxide acid. This study aimed to find the best timein the synthesis of RBDPO epoxy base oil, to study the effect of variations in % thickener on the characteristics ofbiogrease, and the best characteristics of biogrease produced from RBDPO epoxy base oil. The epoxidation wascarried out with a ratio of RBDPO : acetic acid : peroxide acid of 1: 5: 2 at a temperature of 50°C, with variousexperimental times of 3 hours, 4 hours, and 5 hours. The epoxidation results calculated the oxirane number andiodine number with two replications, then analyzed ANOVA statistics and LSD test. Furthermore, the bestepoxidation results were formulated with a thickening agent with a ratio of 80:20 and 85:15 to produce biogrease.The statistical analysis showed that the best epoxidation time is 3 hours. Thickening agent affects the texture ofbiogrease. Biogrease with a ratio of base oil with a thickener of 80: 20 has a short fibrous texture (short fibril)with an NLGI value of 3, while biogrease with a ratio of 85: 15 has a brittle texture with an NLGI value of 00. Thebest biogrease produced in this study is biogrease with a ratio of 80:20 with an NLGI value of 3.Keywords: biogrease, palm oil, base oil, RBDPO, epoxidation

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ABSTRACT Productivity improvement is an essential effort to achieve the optimal utilization of the resoures, particularly in production on the assembly line of soy sauce (soy filling) in PT X. The productivity improvement is based on measuring the OEE (Overall Equipment Effectiveness). OEE is a measurement methods of the production machine effectiveness that involves measurement of the availability rate, performance rate, and quality rate. Through measurement of OEE, the potential equipment utilization, identify bottlenecks and track the lossess were monitored. Results of the OEE measurement on assembly line in PT. X indicate a lower level than optimal results so that the improvement is required to improve the competitiveness of enterprises. A quantitative model of Particle Swarm Optimization (PSO) was modified to improve the productivity and to reduce the productivity cost. Keywords: productivity improvement, lean production, OEE, Particle Swarm Optimization

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ABSTRACT Production scheduling is an important aspect to support the success of a manufacturing company in achieving the target of production planning and affects the implementation of the production process over a period of time. The amount of idle time in scheduling are considered less effective in the production line and detailed production scheduling becomes a problem to be solved with rearrangment of the daily activities in PT. MDS. Modeling proper scheduling is a means to help develop the daily production schedule. Preliminary research results indicate that modeling of production scheduling in PT. MDS are influenced by demand of products, stock products, number of production, downtime of machine cause of change over time, the order of production scheduling, transportation delay between machines, and working time of machine. The selection of the method of calculation in the preparation of scheduling models must be adapted to the conditions preliminary research to give solutions of scheduling problems in PT. MDS. A Critical ratio method, the next grouping of products, and re-sequencing of production process with Shortest Processing Time method is the right method to re-sequencing of scheduling models in response to a scheduling problem in PT. MDS. A Critical ratio method is useful to sort the product type, while the grouping of products and the Shortest Processing Time method useful to maximize the use of equipments as well as reducing of idle time. The results showed a decreased machine utilization of 64% to 60% and downtime of machine decreased to 5%. Key words : utilization of machine, idle time, production sequence, critical ratio, shortest processing time, productivity

ANALISIS KARAKTERISTIK FUNGSI ZEOLIT ALAM AKTIF SEBAGAI KATALIS SETELAH DIIMPREGNASI LOGAM NIKEL Rina Novia Yanti; Erliza Hambali; Gustan Pari; Ani Suryani
Jurnal Penelitian Hasil Hutan Vol 39, No 3 (2021): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2021.39.3.138-147

Catalytic cracking adalah proses konversi dengan memotong rantai karbon molekul minyak menjadi hidrokarbon sederhana. Proses pemutusan rantai hidrokarbon bisa dilakukan dengan cara kimia menggunakan katalis dan gas hidrogen. Jenis katalis yang biasa digunakan dalam industri kimia adalah logam seperti Nikel (Ni), seng (Zn), dan kadmium (Cd). Logam tersebut dapat digunakan sebagai katalis secara langsung, tetapi pada saat proses catalytic cracking akan menyebabkan penggumpalan katalis, sehingga tidak bisa digunakan secara berulang. Oleh karena itu, katalis logam harus diimpregnasi ke dalam bahan pengemban seperti zeolit. Penelitian ini bertujuan mempelajari proses preparasi dan karakterisasi katalis zeolit alam aktif impregnasi logam nikel (ZAA/Ni) yang terdiri atas karakteristikluas permukaan, XRD, dan FTIR serta morfologi untuk mendapatkan katalis yang terbaik. Zeolit yang digunakan dalam penelitian ini adalah zeolit dari Bayah Banten yang sudah diaktifasi. Fungsi katalis sebagai pemutus rantai karbon dapat ditingkatkan dengan adanya pengemban, yaitu logam nikel. Pengembang berperan sebagai tempat tersebarnya inti aktif yang dapat meningkatkan efektifitas katalis, sehingga katalis dapat dipergunakan secara berulang. Hasil penelitian menunjukkan ZAA/Ni, rasio Si/Al yang tertinggi adalah 6,66 yang termasuk katalis intermediate dengan rasio Si/Al = 2 – 10. Luas permukaan katalis terluas adalah pada ZAA/Ni 3 % sebesar 974,44 m2/g, nilai kristalinitas terbesar adalah 70,09%. Zeolit asal Bayah Banten yang sudah diimpregnasi logam nikel dapat digunakan sebagai katalis untuk meningkatkan kualitas (upgrading) bio oil menjadi bahan bakar dengan konsentrasi ZAA/Ni 3%.

KARAKTERISTIK ARANG AKTIF TANDAN KOSONG KELAPA SAWIT YANG DIMPREGNASI LOGAM NIKEL SEBAGAI KATALIS Rina Novia Yanti; Erliza Hambali; Gustan Pari; Ani Suryani
Jurnal Penelitian Hasil Hutan Vol 38, No 3 (2020): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2020.38.3.129-138

Arang aktif yang berasal dari biomassa dapat dimanfaatkan untuk berbagai aplikasi, karena memiliki porositas yang tinggi. Salah satu pemanfaatan arang aktif adalah sebagai bahan baku katalis. Arang aktif dalam penelitian ini berasal dari tandan kosong kelapa sawit (TKKS ). Tujuan penelitian ini adalah untuk menentukan karakteristik arang aktif yang dimpregnasi logam Nikel (Ni) sebagai bahan baku katalis dalam proses upgrading bio oil. Aktivasi arang TKKS menggunakan larutan asam fosfat (H3PO4) dengan konsentrasi 10%, 15% dan 20% yang direndam selama 24 jam, dilanjutkan dengan kalsinasi pada suhu 750°C dan steam uap selama 60 menit. Aktivasi terbaik dari arang aktif menggunakan asam fosfat 10%, selanjutnya diimpregnasi logam nikel dengan konsentrasi 1%, 2%, 3%. Hasil karakteristik arang aktif impregnasi logam nikel adalah daya serap iodin554-756 mg/g, daya serap metilen biru 38-90 mg/g dan luas permukaan 96-218 m2/g dengan diameter pori 8,48-16,21 µ.

MULTI OBJECTIVES FUZZY ANT COLONY OPTIMIZATION DESIGN OF SUPPLY PATH SEARCHING Ditdit N Utama; Taufik Djatna; Erliza Hambali; Marimin .; Dadan Kusdiana
Jurnal Ilmu Komputer dan Informasi Vol 5, No 2 (2012): Jurnal Ilmu Komputer dan Informasi (Journal of Computer Science and Information)
Publisher : Faculty of Computer Science - Universitas Indonesia

One of problem faced in supply chain management is path searching. The best path depend not only on distance, but also other variables, such as: the quality of involved companies, quality of delivered product, and other value resulted by quality measurement. Commonly, the ant colony optimization could search the best path that has only one objective path. But it would be difficult to be adopted, because in the real case, the supply path has multi path and objectives (especially in palm oil based bioenergy supply). The objective of this paper is to improve the ant colony optimization for solving multi objectives based supply path problem by using fuzzy ant colony optimization. The developed multi objectives fuzzy ant colony optimization design was explained here, that it was used to search the best supply path. Salah satu masalah yang dihadapi dalam Supply Chain Management adalah pencarian jalur. Jalur terbaik tidak hanya tergantung pada jarak, tetapi juga variabel lain, seperti: kualitas perusahaan yang terlibat, kualitas produk yang dikirimkan, dan nilai lain yang dipengaruhi oleh pengukuran kualitas. Umumnya, Ant Colony Optimization bisa mencari jalur terbaik yang hanya memiliki satu jalur objektif. Tapi akan sulit untuk diadopsi, karena dalam kasus nyata, jalur supply memiliki banyak jalur dan tujuan (khususnya pasokan minyak kelapa sawit berbasis bioenergi). Tujuan dari penelitian ini adalah untuk meningkatkan Ant Colony Optimization dalam menyelesaikan masalah jalur supply dengan menggunakan Fuzzy Ant Colony Optimization. Tujuan pengembangan Fuzzy Ant Colony Optimization dijelaskan disini, yaitu digunakan untuk mencari jalur supply terbaik.

Co-Authors , Sutrisno . Ismiyati . Machfud . MUSLICH . Sucipto A M Fauzi Ade Febransyah Agus Buono Amun Amri Anas Miftah Fauzi Andrianingsih Ani Suryani Ani Suryani Ani Suryani Ani Suryani Ani Suryani Ani Suryani Annisa Annisa Arif Rakhman Hakim Armansyah H. Tambunan Arum Nur Fitrah Arum Nur Fitrah, Arum Nur Asrol, Muhammad Astried Silvanie Ati Atul Quddus Aulia, Zesma Bagas Ari Wicaksono Baidowi, Taufiq Bambang Hero Saharjo Borneo Satria Pratama Budi Arif Dermawan Dadan Kusdiana Dadang Rukmana Darmono Taniwiryono Darmono Taniwiryono Delfitriani Devy Setyana Ditdit N Utama Djumali Mangunwidjaya Dwi Febriantini Dwi Febriantini, Dwi Dwi Setyaningsih Dwi Setyaningsing Edi Zulchaidir Eka Kurnia, Eka Elisa Anggraeni, Elisa Erni Krisnaningsih Fadhil, Rahmat Fadilla Eka Aulyana FARAH FAHMA Fariz Pari, Rizfi Fatria Resti Haryani Firda Dimawarnita Firda DIMAWARNITA Firda Dimawarnita Firman Arief Soejana Firzatullah, Raden Muhamad Fitriani Kasim Fitriani Kasim Galih Kurniawan Sidik Galih Kurniawan Sidik Ghiffari, Muhammad Amirul Ghiffari, Muhammad Amirul Gustan Pari Gustan Pari Gustan Pari Habyba, Anik Nur Heru Sukoco Ika Agustin Rusdiana Ika Agustin Rusdiana Ika Amalia Kartika Illah Sailah Imas Sukaesih Sitanggang Ina Siti Hasanah Indah Yuliasih Irawan, Andre Irman Hermadi Irzaman, Irzaman Is Sulistyati Jupikely James Silip Kadarwan Soewardi Kartika Okta Purnama Kartika Okta Purnama Kunaifi Kunaifi M Luqmanul Hakim M. Iwan Fermi M. Syamsul Maarif Machfud Machfud Marimin , Marimin Marimin Maulidayanti, Esti Mega Ma’ruf Pambudi Nurwantara Memen Surahman Miftah Fauzi , Anas Mira Rival Moh. Yani Muh. Yusram Massijaya Muhammad Arif Kamal Mukarramah Lubis Mulyorini Rahayuningsih Muslich . Muslich Muslich, Muslich Naoto Matsue Nasution, Rahmat Wahyudi Nasution, Rahmat Wahyudi Neny Rosmawarni Ni Nyoman Indah Adi Puspita Nurmiati Nurmiati Nurmiati Nurmiati Obie Farobie Paduloh Paduloh Pebriani, Siska Petir Papilo Petir Papilo Pradana, I Gusti Made Teddy Pramestari, Diah Prasetyo Nugroho, Eddy Purnama, Kartika Okta Purwo Subekti Rahmadanis Rahmadanis Rahmadini Payla Juarsa Rina Novia Yanti Riztiara Nurfitri Robbani, Muhammad Haqqiyuddin Rosa, Mutya Ruhul Amin, Ruhul Rusdiana, Ika Agustin Safriyana, Safriyana Sapta Raharja Setyaningsing, Dwi Shafira Nurfadhila Sidik, Galih Kurniawan Siska Desri Wirahmi, Busman, Edrizal, Siska Pebriani Sitanggang, Sukaesih Siti Mujdalipah Siti Wardah, Siti Slamet Budijanto Sri Martini Sukardi Sukardi Sukardi Sukardi Syarifuddin Nasution, Syarifuddin Taniwiryono, Darmono Taufik Djatna Teniwut, Wellem Anselmus Tri Panji Tun Tedja I Tun Tedja Irawadi Ummu Farah Fadillah Wiharja Wiharja Wisudawaty, Priska Yandra Arkeman Yani Nurhadryani Yora FARAMITHA Yora Faramitha Yuliani, Manis Z Zulfansyah

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