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INDONESIA
Jurnal Penelitian Kelapa Sawit
Published by Pusat Penelitian Kelapa Sawit
ISSN : 0853196X     EISSN : 26148889     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Indonesian Journal of Oil Palm Research Volume 26 Number 2 Year 2018 is published by presenting articles: Utilization of candlenut shell charcoal (Aleurites moluccana (L.) Willd.) as adsorben on refinery of Crude Palm Oil (CPO); Application of an Artificial Neural Network (ANN) model for predicting oil palm Fresh Fruit Bunch (FFB) yield based on rainfall and the previous level of yield; Utilization of endophytic bacteria to improve the oil palm (Elaeis guineensis Jacq.) seedlings growth; Nutrients use efficiency of several types of fertilizers on the oil palm seedling; and Fatty acid and carotene composition in Elaeis oleifera, interspecific hybrid, and the first pseudo-backcross in North Sumatra, Indonesia.
Arjuna Subject : -
Articles 150 Documents
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Kajian Komparasi Kinerja Sludge Separator dan Dekanter 3 Fasa Pabrik Kelapa Sawit (PKS) Arjanggi Nasution; M. Ansori Nasution; Meta Rivani; Henny Lydiasari; Ayu Wulandari
Jurnal Penelitian Kelapa Sawit Vol 30 No 1 (2022): Jurnal Penelitian Kelapa Sawit
Publisher : Pusat Penelitian Kelapa Sawit

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iopri.jur.jpks.v30i1.157

Abstract

The technology used to reduce oil loss at output sludge from underflow Continuous Settling Tank (CST) is a sludge separator and 3-phase decanter. In POM A, oil extraction is done manually with an oil loss rate of 0.36 tons/hour or 7.83 m3/day. The resulting oil loss figures indicate that extracting the oil using a sludge separator or 3-phase decanter is necessary. The research method used in this study is the comparison of primary data and secondary data on the working principle, the number of supporting equipment, electrical power requirements, operations, maintenance, investment costs, and waste quality. Primary data used oil content, flow rate, and temperature of CST underflow liquid; oil content and effluent flow rate from the final drab output; the amount of oil quoted and returned to the POM. Secondary data in the form of POM performance reports, waste production reports, and data on the specifications of the sludge separator and 3-phase decanter from producers. The working principle of the sludge separator and 3-phase decanter are particle size, bowl layout, bowl rotation direction, output type, sludge capacity, equipment capacity, and oil loss. The 3-phase decanter has 28 units of processing support equipment, more than the 22 units of sludge separator. The power requirement of the sludge separator is 45-60 kWh with a total of 3 units, and a 3-phase decanter requires an electrical power of 22-55 kWh with a capacity of 1 unit. Operationally there are supporting factors for sludge separator, including temperature, nozzle size, and bowl rotation, while supporting aspects for 3-phase decanter include flow rate and feed composition, centrifugal and differential speeds, depth of clarification zone, and weir liquid discharge opening. Maintenance of sludge separator and 3-phase decanter influenced by diluent water, operation, and damage factors. The range of investment costs in the procurement of sludge separators is IDR 0.863-1.837 billion, while the 3-phase decanter is IDR 3.804-5.825 billion. The quality of the 3-phase decanter waste is better than the sludge separator. These results indicate that the most effective tool for processing CST sludge output is a 3-phase decanter. Comparison of the working principle of 3-phase sludge separator and decanter.
Pemilihan Tetua Berdasarkan Nilai Pemuliaan Komponen Tandan Progeni Dura x Tenera Annisa Sitepu; Yurna Yenni; Sujadi
Jurnal Penelitian Kelapa Sawit Vol 30 No 1 (2022): Jurnal Penelitian Kelapa Sawit
Publisher : Pusat Penelitian Kelapa Sawit

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iopri.jur.jpks.v30i1.158

Abstract

Breeding value is the average effect of genes transmitted from parents to their offspring. It can be used as a selection criterion to select superior genotypes. The purpose of this study is to evaluate the performance of the parents through their progenies. The observations were conducted using 21 Dura x Tenera progenies planted in Dolok Sinumbah, PT. Perkebunan Nusantara IV, North Sumatra. Based on the dura’s breeding value, D5 and D6 have the potential to produce offspring that have thick mesocarp with high oil content. On the other hand, T1 tenera has the potential to produce F1 hybrids that have thick mesocarp to fruit with thin shells. The T5 and T6 teneras can be used to produce hybrids with high oil content.
Determinasi Nilai RGB dan Grayscale pada Citra Tandan Buah Segar (TBS) Kelapa Sawit (Elaeis guineensis Jacq.) Menggunakan MATLAB Muhammad Ansori Nasution; Haikal Nando Winata; Fadlin Qisthi Nasution; Henny Lydiasari; Rivaldy Yustianto Pasaribu; Arjanggi Nasution; Ayu Wulandari
Jurnal Penelitian Kelapa Sawit Vol 30 No 1 (2022): Jurnal Penelitian Kelapa Sawit
Publisher : Pusat Penelitian Kelapa Sawit

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iopri.jur.jpks.v30i1.159

Abstract

The Color and appearance are the most important indicators for a farmer to determine the condition of oil palm fresh fruit bunches (FFB) in the harvesting process. As the main attributes, the color and appearance become the guidelines for the initial assessment of fresh fruit bunches (FFB) of oil palm condition that is suitable or not for harvesting. In Facts, the FFB assessment activities are still carried out manually by utilizing the farmers visual, which is it will be prone to errors during the assessment. Due to this problem, it is important to automate the assessment of the color characteristics of oil palm FFB in order to minimize errors by farmers. The purpose of this study was to determine the efficiency of RGB color imaging techniques on oil palm FFB. The method used is processing and color analysis on 30 FFB images based on smartphone cameras to find the correlations for each color. Each color channel R, G and B in the FFB images was extracted and converted into grayscale using MATLAB R2021 software. The results show that the correlation value of R channel and grayscale has the highest value with R2 = 0.9569. This correlation is expected to be an initial study and suitable alternative for automating the assessment of the condition of oil palm FFB.
Karakterisasi dan Analisis Sifat Mekanik Selulosa Ester dari Tandan Kosong Kelapa Sawit untuk Bahan Alternatif Filamen 3D Printing Fadlin Qisthi Nasution; Meta Rivani; Muhammad Ansori Nasution; Tjahjono Herawan; Halimahtuddahliana
Jurnal Penelitian Kelapa Sawit Vol 30 No 1 (2022): Jurnal Penelitian Kelapa Sawit
Publisher : Pusat Penelitian Kelapa Sawit

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iopri.jur.jpks.v30i1.174

Abstract

3D printing adalah teknologi yang berkembang pesat belakangan ini. Selusosa Ester, salah satu turunan dari selulosa dapat digunakan sebagai kandidat bahan altenatif filamen untuk 3D printing. Salah satu sumber selulosa yang dapat dimanfaatkan untuk sintesis selulosa ester adalah tandan kosong dari kelapa sawit. Agar selulosa ester dari tandan kosong dapat digunakan sebagai bahan filamen alternatif, dibutuhkan pengamatan pada sifat mekanik pada selulosa ester dan produk turunannya. Penelitian ini bertujuan untuk mengetahui sifat mekanik dan karakterisasi selulosa ester dan produk turunannya sebagai bahan alternatif 3D printing. Hasil dari penelitian ini menunjukkan bahwa dari hasil karakterisasi menggunakan metode Thermogravimetry Analyisis diketahui bahwa titik leleh selulosa ester yang dihasilkan berada diantara filamen konvensional yang sering digunakan, yaitu polylactic acid dan acrylonitrile butadiene styrene sehingga selulosa ester yang dihasilkan dari tandan kosong kelapa sawit berpotensi untuk menggantikan filamen yang sudah ada. Dari hasil pengujian mekanik, pada percobaan ini, dapat disimpulkan untuk mendapatkan kekuatan mekanik yang optimal dari hasil 3D printing menggunakan tinta dari selulosa ester, infill density dari produk berkisar pada 100% - 80%. Sedangkan untuk mendapatkan filamen 3D yang baik, komposisi campuran selulosa ester:polylactic acid dari produk adalah 20%:80%. Pengujian mekanik juga menunjukkan bahwa terdapat perbedaan nilai Tensile Strength dan Modulus of Elasticity. Nilai Tensile Strength lebih tinggi pada proses estrifikasi pada temperatur yang lebih tinggi, namun nilai Modulus of Elasticity lebih tinggi pada temperatur yang lebih rendah. Sedangkan untuk temperatur proses yang sama, tidak terdapat perbedaan nilai Modulus of Elasticity yang signifikan.
Teknik Estimasi Transpirasi Tanaman Kelapa Sawit dengan Metode Heat Ratio Iput Pradiko; Nuzul Hijri Darlan; Eko Noviandi Ginting; Muhdan Syarovy
Jurnal Penelitian Kelapa Sawit Vol 30 No 1 (2022): Jurnal Penelitian Kelapa Sawit
Publisher : Pusat Penelitian Kelapa Sawit

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iopri.jur.jpks.v30i1.181

Abstract

The estimation of plant transpiration is one of many methods to determine plant water requirements. Heat Ratio Method (HRM) is a method that can estimate transpiration directly under field conditions by measuring sap flow rate. This research was conducted to estimate oil palm water requirements based on transpiration estimation using HRM. The study was located in Medan, North Sumatra, and was employed five years old palm with 48 fronds. A total of six Sap Flow Meter (SFM) were installed on the fronds no. 1, 9, 17, 25, 33, and 41. The results showed that the sap flow rate of the top three fronds (no. 1, 9, and 17) was higher than the lower fronds. The transpiration rate was decreased at the lower fronds position. Furthermore, the highest transpiration occurred in frond no. 1, 0.890 liters/day, while the lowest was observed in frond no. 41 i.e. 0.510 liters/day. Assuming that each frond sampled represents fronds at the same level, the average daily transpiration was 31.933 liters/day/palm or equivalent to 0.457 mm/day/palm.
Pengaruh Penggunaan Campuran Minyak Sawit dan Olein Sawit terhadap Sifat Fisikokimia dan Sensori Selai Cokelat Hasrul Abdi Hasibuan; Aga Prima Hardika; Wawan Hendrawan
Jurnal Penelitian Kelapa Sawit Vol 30 No 2 (2022): Jurnal Penelitian Kelapa Sawit
Publisher : Pusat Penelitian Kelapa Sawit

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iopri.jur.jpks.v30i2.149

Abstract

Palm oil is a semi-solid vegetable oil that has the potential to be used as fat in the manufacture of chocolate spread. In addition, the liquid fraction of palm oil (such as super olein) can increase the spreadability of chocolate spread. This research was conducted to evaluated the physicochemical and sensory properties of chocolate spread using a mixture of palm oil and super olein at a ratio of 71.4: 28.6, 57.1: 42.9, 42.9: 57.1, and 28.6: 71.4. Formulation of chocolate spread made with 35% fat, 44.6% sugar, 10% cocoa powder, 10% milk powder, 0.32% lecithin, 0.03% salt, and 0.05% vanilla. Chocolate spread was characterized by particle size, fat content, melting point, fatty acid composition, triacylglycerol composition and solid fat content, and organoleptic tests. Particle size and fat content were not significantly different, while melting point, fatty acids composition, triacylglycerol composition, and solid fat content were significantly different in each formula. The organoleptic tests showed that the amount of 71.4% super olein was preferred by panelists. In this formula, chocolate spread had a particle size of 0.08 mm, fat content of 40.0%, melting point of 19.2°C, fatty acids composition (palmitic acid 38.3%, stearic acid 6.7%, oleic acid 42.2%, and linoleic acid 9.9%), triacylglycerol composition (POP 35.9%, PLP 10.0%, POS 7.7%, POO 25.2%, and PLO 7.3%), and solid fat content at temperatures 25°C and 30°C were 5.4% and 2.1%, respectively.
Perbandingan Daya Saing Crude Palm Oil (CPO) Antara Indonesia dan Malaysia di Pasar Internasional Amelia Utsaha; Anisa Dwi Utami; Suharno Suharno
Jurnal Penelitian Kelapa Sawit Vol 30 No 2 (2022): Jurnal Penelitian Kelapa Sawit
Publisher : Pusat Penelitian Kelapa Sawit

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iopri.jur.jpks.v30i2.177

Abstract

Indonesia dan Malaysia merupakan dua negara pemain utama di pasar internasional Crude Palm Oil (CPO). Seiring dengan meningkatnya permintaan global terhadap CPO, kedua negara tersebut memiliki peluang yang besar dalam pengembangan industri CPO baik bagi pertumbuhan ekonomi domestik maupun global. Penelitian ini bertujuan untuk menganalisis perbandingan daya saing ekspor CPO antara Indonesia dan Malaysia di pasar internasional selama periode tahun 1999 hingga 2019. Perbandingan daya saing tersebut dianalisis dengan merujuk pada pendekatan Revealed Comparative Advantage (RCA), Export Competitiveness Index (ECI), dan Indeks Spesialisasi Perdagangan (ISP). Selain itu, secara kualitatif daya saing CPO Indonesia juga dijelaskan melalui pendekatan Berlian Porter. Hasil penelitian menunjukkan bahwa secara umum CPO Indonesia dan Malaysia memiliki tren daya saing yang meningkat. Dilihat dari nilai RCA, ECI dan ISP, Indonesia memiliki keunggulan komparatif yang lebih tinggi dibandingkan Malaysia. Berdasarkan posisi daya saing, Indonesia berada pada tahap pematangan. Sementara, Malaysia masih berada pada tahap pertumbuhan.
Rancang Bangun Alat Panen Portabel Sawit Bermotor Menggunakan Flexible Shaft Oktavianus Ardhian Nugroho; Andreas Reky Kurnia Widhi; Shanti Kumbarasari
Jurnal Penelitian Kelapa Sawit Vol 30 No 2 (2022): Jurnal Penelitian Kelapa Sawit
Publisher : Pusat Penelitian Kelapa Sawit

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iopri.jur.jpks.v30i2.183

Abstract

In the world of the plantation industry, to get a maximum harvest, the main factor that needs to be considered is the way of harvesting. An efficient, inexpensive, and effective harvesting process is the main thing that must be achieved. Indonesia as one of the world's palm oil-producing countries together with the Palm Oil Plantation Fund Management Agency (BPDPKS) continues to develop ways to optimize its palm oil production process. The harvesting process today still uses many manual methods using sickles and dodos. Some palm oil harvesting tools are already motorized, however, existing tools still have disadvantages in terms of price and vibration in the shaft. In this article, the author successfully applied the Quality Function Deployment (QFD) method and designed a motorized palm harvester where vibrations from the motor can be reduced by moving the motor's position using a Flexible shaft. Further modifying the gearbox from the material, gear shape, and some elements of the process engine makes the gearbox lightweight and have a small vibration. This study aims to make a motorized palm harvesting tool that can be used to harvest palm fruit quickly and easily. Another thing to aim for is to get a cheap motorized palm oil harvesting machine because all the parts are designed and produced independently and have low vibration. Experiments conducted at the Professional Services Cooperative (KJP) Cipta Prima Sejahtera Banjarmasin obtained a palm oil harvesting machine that had been designed to have a low vibration acceleration value, has easy maintenance, is lighter than existing motorized palm cutting tools, and the speed of cutting branches is many and fast compared to manual dodos cutting tools.
Evaluasi Pertumbuhan Asystasia gangetica (L.) T. Anderson Sebagai Tanaman Penutup Tanah di Perkebunan Kelapa Sawit Menghasilkan pada Jarak Tanam dan Jenis Setek Batang Berbeda Yenni Asbur; Yayuk Purwaningrum; Murni Sari Rahayu; Dedi Kusbiantoro; Khairunnisyah Khairunnisyah
Jurnal Penelitian Kelapa Sawit Vol 30 No 2 (2022): Jurnal Penelitian Kelapa Sawit
Publisher : Pusat Penelitian Kelapa Sawit

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iopri.jur.jpks.v30i2.184

Abstract

Asystasia gangetica (L.) T. Anderson is an invasive weed that must be controlled in oil palm plantations. However, the results showed that previously in Semanjung Malaysia A. gangetica was used as a cover crop in oil palm plantations. The purpose of this study was to determine the best spacing and stem cuttings that produced the best growth of A. gangetica as a cover cover crop in mature oil palm plantations. The study used a factorial randomized block design with six replications at a plot size of 2 m x 2 m with plant spacing (10 cm x 10 cm, 20 cm x 20 cm, and 40 cm x 40 cm) and stem cuttings (top cuttings, middle cuttings, and bottom cuttings) as treatment. The results showed that the plant spacing of 10cm x 10cm is the optimum plant spacing for the growth of A. gangetica as cover crop as indicated by higher survived plant percentage and faster soil coverage than the spacing of 20cm x 20cm and 40cm x 40cm. Top cuttings are the best way to multiply A. gangetica to get optimal growth as cover crop.
Mitigasi Areal Banjir Pada Perkebunan Kelapa Sawit di Lahan Gambut Berdasarkan Pemodelan HEC-RAS 2D Henny Lydiasari; Heri Santoso
Jurnal Penelitian Kelapa Sawit Vol 30 No 2 (2022): Jurnal Penelitian Kelapa Sawit
Publisher : Pusat Penelitian Kelapa Sawit

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iopri.jur.jpks.v30i2.188

Abstract

Pengembangan perkebunan kelapa sawit di areal rawa dengan tanah gambut semakin meluas dan merupakan tantangan terbesar dalam pengelolaannya. Drainase yang sangat terhambat menjadi salah satu faktor pembatas yang mempengaruhi kondisi hidrologi lahan. Kajian hidrologi ini dilakukan di salah satu perkebunan kelapa sawit Kabupaten Tapanuli Selatan Propinsi Sumatera Utara yang mengalami banjir secara periodik. Pemodelan hidrolika pada kajian ini dilakukan dalam dua skenario yaitu kondisi aktual dan redisain dengan parameter yang dibutuhkan antara lain topografi lahan, klimatologi, dan hidrologi sebagai input dalam simulasi. Pemodelan hidrolika ini untuk mensimulasikan kondisi aktual kanal dan penerapan mitigasi permasalahan banjir dengan pembuatan tanggul menggunakan HEC-RAS 2D. Hasil simulasi menunjukkan bahwa banjir terjadi sebagai akibat luapan air Aek Sibirong yang mempengaruhi kondisi kanal dalam kebun yang terkoneksi dengan sungai tersebut. Berdasarkan simulasi, penerapan tanggul setinggi 1.15 m - 3.45 m pada bagian hulu dan 1.10 m - 3 m pada bagian hilir mampu mengatasi luapan air sehingga dapat mencegah terjadinya banjir pada areal kebun.

Page 10 of 15 | Total Record : 150

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