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All Journal Humaniora Jurnal Zeolit Indonesia MIX : Jurnal Ilmiah Manajemen
Setiadi Setiadi
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Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Social Sciences

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Antropologi dan Studi Migrasi Internasional Setiadi Setiadi
Humaniora Vol 12, No 1 (2000)
Publisher : Faculty of Cultural Sciences, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2249.82 KB) | DOI: 10.22146/jh.1294

Abstract

Teori migrasi internasional mencoba menjelaskan alasan-alasan yang mendasari seseorang melakukan migrasi ke negara lain dan alasan mengapa migrasi selalu terjadi berulang-ulang, termasuk dampak yang diakibatkannnya. Teori yang ada dapat digolongkan dalam tiga pendekatan yakni pendekatan fungsional, struktural, dan teori yang mencoba menggabungkan keduanya. Pada sisi lain, tampak adanya kekosongan pendekatan budaya dalam menjelaskan fenomena migrasi internasional tersebut. Tulisan ini merupakan kajian awal untuk melihat secara komprehensif berbagai kemungkinan studi antropologis terhadap fenomena migrasi internasional di Indonesia dan kemungkinan pengembangannya.
CATALIST PERFORMANCE OF SYNTETIC ZEOLITE ZSM-5 – Al2O3 IN CRACKING REACTION OF PALM OIL TO BECOME GASOLINE FRACTION OF HYDROCARBON Setiadi Setiadi; Benny A. W.
Jurnal Zeolit Indonesia Vol. 5 No. 2 (2006)
Publisher : Jurnal Zeolit Indonesia

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Abstract

The requirement of fuel increases without balancing with its production causing the oil resources from fuel will immediately finished. Therefore, palm oil as renewable energy resources is selected for fuel production especially gasoline. Catalitic cracking process by using ZSM-5/Alumina catalys is selected in this research. The reaction was conducted in a simple fixed bed reactor with the pressure of 1.5 atm during half hour and WHSV 1,8 h-1 dan 2,4 h-1. The reaction result product then analyzed by using GC-FID for identify the gasoline fraction obtained, and FT-IR for identify the bonding kind of the samples. The baits used were pure palm oil, oxydized oil,POME (Palm Oil Methyl Esther), and oil with methanol. The parameters of the research were temperature (350 – 500 °C), catalist composition (5 - 20 %), and kinds of baits. The results showed that the composition of catalist 5% at reaction temperature of 400 °C with the bait of POME resulting the highest gasoline yield of 63,1%.
APPLICATION OF NATURAL ZEOLITE AS A COMPONENT OF CATALIST BUFFER FOR HYDROGENATION REACTION OF CO2 AND CRACKING OF PALM OIL Setiadi Setiadi; Yanes Darmawan; R. Melisa Fitria
Jurnal Zeolit Indonesia Vol. 6 No. 1 (2007)
Publisher : Jurnal Zeolit Indonesia

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Abstract

This research was started with making a catalyst of CuO/ZnO/ZSM-5 with copresipitation method which using nitrate salts of Cu and Zn at buffer of zeolite ZSM-5 with loading (weight CuO and ZnO into their buffer) 10%, 20%, 30%, 40% and the pure of ZSM-5. The product of catalyst is then activated tested by hydrogenation reaction, where CO2 gas become the methanol by reacting of CO2 dan H2 into unggun reaction in operation condition: the pressure of 25 bar, with temperature at 250ºC, feeding ratio CO2/H2 = 1 : 3. The making catalyst of CuO/ZnO/ natural zeolite each with impregnation method and physical mixing at the best loading in the result of activities test from all of catalyst CuO/ZnO/ZSM-5 by the results of preparation of copresipitation methods. The result of catalyst test indicate that the methanol (CH3OH) can be made of the main feeding of CO2 and H2 gas with catalyst of CuO/ZnO/ZSM-5 and catalyst of CuO/ZnO/ natural zeolite from the result of copresipitate preparation, impregnation and physical mixing. The test of CuO/ZnO/ZSM-5 catalyst resulting of preparation copresipitation indicate that catalyst with loading 30% yielding methanol (0.1359%). The method of copresipitation is the best among the other methods. We also obtained the buffer of natural zeolite from Malang can also give yield of methanol product although it's not as high as with buffer of ZSM-5. The cracking reaction of oil palm using a natural zeolite toproduce gasoline fraction of hydrocarbon compound in fixed bed reactor in atmospheric pressure and the temperature at 350-500ºC. The natural zeolite with addition of B2O3 0-20% is used as catalyst with variabel temperature, type of feeding and B2O3 addition. The characteristic for seeing the surface area with BET method and crystalization of B2O3 with XRD method. Addition of B2O3 optimum of 5% gave the yield 52.3% for feeding POME and 38% oil palm and methanol.
ANALISIS KINERJA RANTAI PASOK IKAN NILA PADA BANDAR SRIANDOYO DI KECAMATAN TUGUMULYO KABUPATEN MUSI RAWAS Setiadi Setiadi; Rita Nurmalina; Suharno Suharno
MIX: JURNAL ILMIAH MANAJEMEN Vol 8, No 1 (2018): MIX: Jurnal Ilmiah Manajemen
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (606.027 KB) | DOI: 10.22441/mix.2018.v8i1.010

Abstract

Abstract. Measurement of supply chain performance is a necessary as an approach inorder to optimize supply chain of tilapia fish in Musi Rawas Regency. The purpose ofthis research is to analyze the performance of the supply chain of tilapia fish, and theefficiency of supply chain performance of tilapia fish at Bandar Sriandoyo inTugumulyo District, Musi Rawas Regency. The method that employed to measure theperformance of supply chain of tilapia fish was by comparing the value of SCORmetric performance attribute on partner farmer and Bandar Sriandoyo with superiortarget value on benchmarking. Analysis of efficiency of supply chain performance oftilapia fish was employing Data Envelopment Analysis (DEA) method. The input andoutput variables were based on the performance attributes of SCOR metrics. The resultsof measuring the performance of the supply chain of tilapia fish on the partner farmersand Bandar Sriandoyo has generally achieved good performance compared to thebenchmark. Where some performance attributes had achieved the target of the superiorstatus that is the best performance achievement. While the attributes of deliveryperformance and conformity with the standard achived the target of the advantage(middle) status. The results of chain performance efficiency measurement showed that23 partner farmers (60%) had achieved technical efficiency and having 100%performance efficiency value. While 15 partner farmers (40%) had not reachedtechnical efficiency. Bandar Sriandoyo has achieved technical efficiency because it hasachived a 100% performance efficiency rate, which means that the input and outputfactors are running according to the target.
Co-Authors Benny A. W. Fredinan Yulianda Ibrahim Ibrahim Muhammad Baiquni R. Melisa Fitria Rita Nurmalina Su Ritohardoyo Yanes Darmawan