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INDONESIA
Jurnal Teknologi Industri Pertanian
Published by Institut Pertanian Bogor
ISSN : 02163160     EISSN : 22523901     DOI : 10.24961/j.tek.ind.pert
Core Subject : Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Engineering Industrial & Manufacturing Engineering
The development of science and technology in agriculture, has been instrumental in increasing the production of various agricultural commodities. But climate change is also uncertain world led to decreased agricultural productivity. World energy crisis resulted in higher prices of agricultural commodities due to competition between food and energy are higher. Efforts to utilize biomass (agricultural products) has started a lot of research, not only as raw material for bioenergy, but also in an attempt to exploit agro-products into valuable economic products, and realize clean production in agro-industry.
Arjuna Subject : -
Articles 646 Documents
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EKSTRAKSI DAN ANALISA DIETARY FIBER DARI BUAH MENGKUDU (Morinda citrifolia) Sapta Raharja, Imam Paryanto dan Fitria Yuliani
Jurnal Teknologi Industri Pertanian Vol. 14 No. 1 (2004): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

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Abstract

ABSTRACTA dietary product obtained from the Indian mulberry (Morinda citrifolia) plant and the process of extracting and purifying the fiber was disclosed.  According to one embodiment, the Indian mulberry pulp was washed and separated from the juice by filtration.  The wet pulp was pasteurized.  The wet pulp can be further processed by drying to obtain dietary fiber.  This research was to compare the characteristic of dietary fiber that is producd by acid and alkali hydrolysis.  The characteristics investigated were yield, whiteness, water holding capacity, SDF, IDF, TDF, cellulose, hemi-cellulose, lignin and sollubility.  The variable of this research gave significant response to its characteristic except to hemi-cellulose content. Key word : indian mulberry, dietary fiber, acid hydrolysis, alkali hydrolysis. 
ANALISIS FAKTOR YANG MEMPENGARUHI PREFERENSI KONSUMEN PRODUK AIR MINUM DALAM KEMASAN DI BOGOR Jono M. Munandar, Faqih Udin dan Meivita Amelia
Jurnal Teknologi Industri Pertanian Vol. 13 No. 3 (2004): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

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Abstract

ABSTRACTMineral water is drinkable water with a high mineral salt or gas content, either obtained from a mineral spring or with minerals added.  It is usually sold in bottles and satisfy the minimum standard prevailed.  Nowadays, the need for mineral water increase following the increase of population.  Based on the Central Bureau Statistics (BPS) data, the consumption of mineral water in Indonesia was 1.408.148.000 liter in 1994 and it increased up to 3.643.138.000 liter in 2000. Forestalling the enormous need of fresh and dirt-free water, many corporations are growing to provide and produce mineral water.  A corporation marketer needs to understand what the customer needs, perception, preference and behavior in order to satisfy the customer.  Therefore, analyzing the factors of costumer preference toward the mineral water become important to be investigated.  The purpose of this research is to know the customer characteristics and to identify the attributes of mineral water affecting the customer to choose different type of the products.  The other purpose is to compare some of mineral water brands in the market.  The method used to measure the customer preference is Fishbein Multi Attributes Behavior Model.  Finding shows that the most important attributes to develop mineral water is higiene, followed by smell, price, accessibility, taste, advertisment, packaging and brand images. Generally, costumer prefer the mineral water with brand of Aqua than the other brands.Key words : mineral water,  costumer preferences and Multi Attributes Behavior Model
KARAKTERISASI MEMBRAN FILTRASI DARI KHITOSAN DENGAN BERBAGAI JENIS PELARUT Nastiti Siswi Indrasti, Suprihatin dan Feny Silvia
Jurnal Teknologi Industri Pertanian Vol. 13 No. 3 (2004): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

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Abstract

ABSTRACTMembrane is a semi-permeable thin layer that can be used to separate components by holding and flowing certain component through pores. The performance of membrane is often evaluated by two parameters, namely flux and rejection. The objective of the paper is to present characteristics of chitosan membrane made using various chitosan solvents and chitosan concentrations. Experimental results showed that rendement of chitosan from shrimp shell was 15.3% with mouisture of 5.5% and ash content of 0.72%. Membrane made using formic acid and chitosan concentration of 7% yielded the highest flux of 285 L/m2h for clean water, flux 52 l/m2h for albumin solution, 144 L/m2h for starch suspension, and 222 l/m2h for glucose solution. The highest rejection was achieved by membrane made from acetic acid with chitosan concentration of only 27 percent for albumine solution. Key words: membrane filtration, chitosan
KELAYAKAN INDUSTRI KERUPUK JAMUR TIRAM DI KABUPATEN BOGOR Purwoko dan Yandra Arkeman
Jurnal Teknologi Industri Pertanian Vol. 13 No. 3 (2004): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

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Abstract

ABSTRACTOyster mushroom can be processed into various cooking and snack, such as crisps, pikel, and crispy.  Oyster mushroom chips are uncommon and brand new secondary product. Nowadays oyster mushroom chips still have not found  in Bogor yet.  The analysis of market and marketing showed that the production of chips in Indonesia was still under the limit of production and appropriate to produce in the future.  It was showed from the utility rate, which was still under 100%.  Cisarua Bogor is the optimum location to develop the chips factory and need 29 employees.  This industry required investment Rp 386.886.813,00 consist of working capital and fix capital.  Pay back period during 1.7 years.  Net present value is Rp 357.960.700,00, internal rate of return is 37 % and net benefit-cost ratio is 1.9.  This means that project is feasible to be applied.  Based on the sensitivity analysis for the decreasing selling price until 15 % and sensitivity analysis for the increasing raw material price until 20 %.
PENERAPAN MEMBRAN FILTRASI DARI SELULOSA ASETAT DAN CHITOSAN UNTUK PRODUKSI BERSIH PADA INDUSTRI PULP DAN KERTAS Suprihatin, Muhammad Romli dan Andes Ismayana
Jurnal Teknologi Industri Pertanian Vol. 13 No. 3 (2004): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

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Abstract

ABSTRACTCleaner production is currently considered as a strategic element in manufacturing technology. The application of cleaner production is focused on the reduction or elimination of environmental pollution in their sources, and in the same time in increasing the effectiveness and efficiency of the resource utilization in industrial processes. The objectives of this research were to produce and characterize membranes from natural polymers (cellulose acetate and chitosan), (ii) to test the performance of the produced membrane for cleaner production (wastewater reuse/recycling) in pulp and paper industry as a case study, and ( iii) to evaluate the technical and economical feasibility of the membrane application in the field. Results have shown that a relative high flux of 100 L/m2hr was achieved with the chitosan membrane, which is comparable with the flux of commercial available membranes. The flux of the produced cellulose acetat membrane was relative lower, namely app. 33 L/m2hr.  Turbidity, color and COD (chemical oxygen demand) of the wastewater could be reduced up to 80 - 96 percent, 77 - 99 percent, and 35 - 52 percent respectively, depending on wastewater characteristics, type of the membrane material, and the operating conditions. Based on the measured parameters it is possible to reuse or recycle the treated effluent of the pulp and paper industry by using the membrane filtration. Costs for the membrane material (polymer) were Rp 5.525,-/m2 for the cellulose acetate membrane and Rp 15.000,-/m2 for the chitosan membrane. The material cost for production of microbial cellulose acetate membrane seems to be too expensive, because one kg of dryed microbial cellulose self cost Rp 250.000,-, while commercial cellulose acetat cost only Rp 85.000,-/kg.Key words: cleaner production, membarne filtration, wastewater, pulp and paper industry
PEMISAHAN DAN KARAKTERISASI EMULSIFIER DALAM MINYAK CACING TANAH (Lumbricus rubellus) Muhammad Zein Nasution, Ani Suryani dan Irma Susanti
Jurnal Teknologi Industri Pertanian Vol. 13 No. 3 (2004): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

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Abstract

ABSTRACTEmulsifier in earthworm oil is expected as phospholipid. It is produced from degumming process by the variation of phosphoric acid and citric acid added 0,1% v/w and 0,2% v/w. The highest yield of gum was produced by adding 0,2% v/w of acid. The characteristic of emulsifier such as reducing surface tension, surface tension of two phase, and maintaining the emulsion stability are not different for gum and degummed earthworm oil by acid degumming. Gum by acid degumming is not different from gum water degumming and undegumming earthworm oil in its ability to reduce surface tension and surface tension of two phase. Earthworm oil by acid degumming is not different from earthworm oil by water degumming and undegumming earthworm oil in ability to reduce surface tension and surface tension of two phase. Generally, the ability of undegummed earthworm oil to maintain the emulsion stability is better than gum and degummed earthworm oil by acid and water degumming.
STUDY ON CLEANER PRODUCTION STRATEGY IN THE SMALL SCALE TAPIOCA INDUSTRY: A CASE STUDY IN KELURAHAN CILUAR, NORTH BOGOR SUB-DISTRICT Anas M. Fauzi, Ainy Rahmawakhida dan Yaoi Hidetoshi
Jurnal Teknologi Industri Pertanian Vol. 18 No. 2 (2008): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

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Abstract

ABSTRACTSmall scale industries are gaining importance and their contribution to pollution problems cannot be ignored. One of small scale industry having the potential to cause environment problems is centralized of small scale tapioca industries. Small scale industries typically have limited space for the installation of treatment system. In addition, often small scale industries are only marginally profitable, so waste treatment investment may threaten their viability. This problem can be solved by applying cleaner production strategy. This research studies the potentials of cleaner production application and formulating alternatives of cleaner production strategy in order to develop centralized small scale tapioca industry in Ciluar. The cleaner production alternatives which are potential to be applied are good housekeeping, usage of “gobegan”extractor, washing of sedimentation  tank daily, water controling, and worker supervision. The investment of these alternatives is Rp 10.052.000 and pay back period (PBP) one year seven manths. Analytical Hierarchy Process (AHP) analysis shows that technology is the most important factor to maximize crude tapioca production efficiency by applying cleaner production. The priority of cleaner production program from AHP analysis is socialization and training of cleaner production application, integrated waste management, and socialization and training of crude tapioca quality increasing procedures.Keywords : cleaner production, small scale industry, tapioca, AHP
OPTIMATION PROCESS AND KINETICS OF EPOXIDATION OF Jatropha curcas L. OIL BY HYDROGEN PEROXIDE Ratri Ariatmi N, Djumali Mangunwidjaja, Ani Suryani, Machfud dan Sudradjat
Jurnal Teknologi Industri Pertanian Vol. 18 No. 2 (2008): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

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ABSTRACTJatropha curcas oil (JCO) characterized with an iodine value of 90.4 g/100 g,  47.93% oleic acid and 34.42% linoleic acid, was epoxidised in situ with hydrogen peroxide as oxygen donor and acetic acid glacial as active oxygen carrier in the presence of inorganic acid catalyst (H2SO4). The results showed that H2SO4 was found effective in terms of conversion to oxirane. The effects of various factors (variables), such as temperature, hydrogen peroxide-to acetic acid mole ratio, and catalyst volume ratio, on epoxidation rate as well as on the oxirane ring stability and iodine value of curcas oil epoxidised (ECO) were studied. The effects of these variables on the conversion to epoxidised oil were also studied. The constant rate of reaction and activation energy for epoxidation of curcas Oil (CO) was found to be an order of 10_6 l mol_1 det_1 and 6.92 kcal mol_1K-1. General conclusion showed that it was possible to make epoxides using  natural renewable resources such as CO. Keywords : In situ epoxidation; kinetics ;jatropha curcas oil; hydrogen peroxide; peracetic acid.
STUDY ON PHYSICO-CHEMICAL CHARACTERISTICS OF VIRGIN COCONUT OIL (VCO) MADE BY COCONUT MILK CREAM FREEZING METHOD Sapta Raharja dan Maya Dwiyuni
Jurnal Teknologi Industri Pertanian Vol. 18 No. 2 (2008): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

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Abstract

ABSTRACTMost commercial grade coconut oils are made from copr.  Most of the copra is dried under the sun in the open air, where it is exposed to insects and mold. The standard end product made from copra is RBD (refined, bleached, and deodorized) coconut oil. Both high heat and chemicals are used in this method. Some alternative technology to make Virgin Coconut Oil (VCO) have been improved and investigated. These are, centrifugal force, fermentation, enzymes, etc. VCO was not made by using of heat and chemicals, it is just refining  by washing with water, filtration, and centrifugation only. In this research, VCO was made by freezing and thawing the coconut milk to destruct the emulsion of coconut milk cream, then centrifugal force was used to separate the oil from coconut milk cream. The problem of this method was high moisture content, so it must be handled by adding of salt. Salt is hygroscopic so it can absorb some water. The characterizations were done for oil moisture content, oil yield, free fatty acid, acid value and peroxide value. The result showed that all of parameters meet the APCC standard.Keywords : Virgin Coconut Oil, VCO, milk cream freezing method.
NEW ENVIRONMENTALLY BENIGN LEATHER TECHNOLOGY: COMBINATION TANNING USING VEGETABLE TANNIN, NAPHTHOL AND OXAZOLIDINE Ono Suparno, Anthony D. Covington dan Christine S. Evans
Jurnal Teknologi Industri Pertanian Vol. 18 No. 2 (2008): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

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ABSTRACTLeather tanning is a process of converting of skin or hide protein into leather with adequate strength properties, resistance to various biological and physical agents, and capable of being used for a wide range of purposes.  Leather tanning reactions between collagen-vegetable tannin-oxazolidine and collagen-dihydroxynaphthalenes (DHNs)-oxazolidine have been investigated using hide powder and sheepskin pickled pelt. This investigation showed that some DHNs have a tanning effect on collagen.  The measurement of combined and cross-linked vegetable tannin and DHNs on collagen showed that 20-50% vegetable tannin, 1,6- and 2,6-DHNs were fixed through covalent bonding.  Shrinkage temperature of the leather changed little after the non combined vegetable tannin and DHNs had been removed from the leather, indicating that the high stability of the combination tanned leather comes from the covalent bonding formed between vegetable tannage or DHNs and collagen through oxazolidine. Covalently bound tannin on collagen was more stable and could not be extracted by lyotropic agents. Keywords: tanning, leather, hydrothermal stability, vegetable tannage, dihydroxynaphthalenes, oxazolidine.

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