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Mirwan Ushada
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Departemen Teknologi Industri Pertanian Fakultas Teknologi Pertanian UGM Jl. Flora Bulaksumur No.1, Kocoran, Caturtunggal, Depok, Sleman Daerah Istimewa Yogyakarta 55281
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Agroindustrial Journal
Published by Universitas Gadjah Mada
ISSN : 22526137     EISSN : 23023848     DOI : https://doi.org/10.22146/aij.v8i1
Core Subject : Science, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Social Sciences
The journal publishes original research paper and review paper based on topics coverage but not limited to: 1. Industrial systems and management 2. Bio-industry 3. Production systems 4. Quality analysis and standardization 5. Systems analysis and industrial simulation 6. Product engineering and waste management Papers may report the results of laboratory experiments, theoretical analyses, design-development-innovations related to product/services/technology/system, processes or processing methods, machines/equipment, experimental, laboratory and analytical instrumentation.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Makanan
Articles 6 Documents
 1 
Search results for , issue "Vol 1, No 1 (2012)" : 6 Documents clear
Horizontal Biofilter System in Tapioca Starch Wastewater Treatment: The Influence of Filter Media on the Effluent Quality Nur Hidayat; Sri Suhartini; Dian Indriana
Agroindustrial Journal Vol 1, No 1 (2012)
Publisher : APTA and DTIP FTP UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (98.374 KB) | DOI: 10.22146/aij.v1i1.23243

Abstract

The aim of this research was to analyse the use of different filter media at laboratory scale under a horizontal biofilter system treating tapioca starch wastewater (TSW) to improve the effluent quality that met the national standard. The completely randomized design was used in this study. A horizontal biofilter system was designed and filled with filter media, include sand, gravel, soil (entisol type), coconut fibre and bamboo plait, in each unit. Prior feeding to the biofilter unit, TSW was inoculated with Bacillus sp. N-09. The TSW flow rate was maintained at 6 l d-1 and operated for 1-month period. The results showed that the use of sand as filter media gave a better performance in improving the TSW effluent quality followed by gravel, coconut fibre, soil and bamboo plait. The horizontal biofilter system packed with sand filter media removed 98.53 % BOD, 98.71 % COD, 88.96 % TSS, and increased pH to 8.0.
Profile Review of Grapes Horticulture Cultivation in the Buleleng Sri Mulyani; Bambang Admadi; Ketut Satriawan; Made Hendra Mardiana
Agroindustrial Journal Vol 1, No 1 (2012)
Publisher : APTA and DTIP FTP UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (96.393 KB) | DOI: 10.22146/aij.v1i1.23264

Abstract

Buleleng as a centre of grape commodity in Bali has experienced a decrease in the number of grapes production. Grapes horticultural profile should be made based on 6 (six) pillars of the horticulture development. The aim of this study is to determine cultivation profile of the grapes horticulture in Buleleng. This research uses purposive sampling method to determine sample location. The respondents consist of farmers, stakeholders and other relevant agencies which chosen by using random sampling method. The results show respondents’ opinion related to the pillar program compatibility and incompatibility: 1) development of horticultural area 78.88% and 20.00%, 2) application of GAP / SOP 68.88% and 29.63%, 3) implementation of supply chain management (SCM) 59.10% and 40.90%, 4) implementation of integrated horticultural facility 64.18% 33.32%, 5) Institutional development 19.99% and 79.18%, and 6a) increase on horticultural consumption 44.06% and 51.48%, while 6b) on the export acceleration 7.91% and 92.09%. Based on the six pillars development program implementation, only four programs namely program 1, 2, 3, and 4 that have high average of compatibility (67.76%) while the other two programs, namely the program 5 and 6 have lower average of compatibility (22.99%).
The Effect Of Temperature and Time on Hydrolisis of Palm Oil Empty Fruit Bunch and Its Enzymatically Biodegradation for Xylose Production Wisnu Adi Yulianto; Dewa Made Krismanto Panji
Agroindustrial Journal Vol 1, No 1 (2012)
Publisher : APTA and DTIP FTP UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (85.464 KB) | DOI: 10.22146/aij.v1i1.23266

Abstract

The acid hydrolysis and the heating of lignocellulosic waste from palm oil mills have caused irreversible damage to the natural environment and can create inhibitor compounds on hydrolysis, making the waste improper for fermentation media. In this study, an environmentally save hydrolysis was tested by heating it under high temperature which followed by enzymatic degradation. The objective of the present study was to determine the optimal reaction temperature and reaction time of hydrolysis for the production of xylose. Under the temperatures of 128 and 200°C with reactions time of 30, 45, and 60 min, the best result of hydrolysates were taken. Its hemicellulose, cellulose, lignin, water content (raw material), residual hemicellulose, reducing sugars, water content (hydrolysate) and xylose were analyzed. The results showed that the higher the temperature had resulted in the more reduction of sugar hydrolysis and the hemicellulose in the solid residue was slightly removed. Hydrolysis at the temperature of 200°C for 45 min had indicated a reduction of sugar yield of 17.71% (db). Biodegradation in enzymatic hydrolysis of xylose had increased by 113.79% at 24 -1.24 g xylose / 100 ml.
Evaluation of Working Postures at a Garden Maintenance Service to Reduce Musculoskeletal Disorder Risk (A Case Study of PT. Dewijaya Agrigemilang Jakarta) Adisty Savitri; Guntarti Tatik Mulyati; Ibnu Wahid Fakhrudin Aziz
Agroindustrial Journal Vol 1, No 1 (2012)
Publisher : APTA and DTIP FTP UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1328.521 KB) | DOI: 10.22146/aij.v1i1.24990

Abstract

This research is carried out in order to evaluate the working postures of seven workers withdifferent job categories at a garden maintenance service. These seven categories of works aredivided into 23 work elements. The aim of this research is to investigate the presence of work-related pain symptoms, find all risk related to poor working postures, and finally propose sets ofrecommendations for improvement of working methods. Nordic Body Map questionnaire is usedin the study to detect the occurrences of workrelated pain. Meanwhile, risk level assessment forworking postures was carried out by means of Rapid Entire Body Assessment (REBA) method.All the two applied on seven job categories of workers.The results showed that all workers observed experienced with pain symptoms both after and before carry out the work. According to REBA analysis, there are 82.6% medium level risk working elements, 10.9% high level risk, 4.3% very high level risk, and 2.2% low level risk. Recommendation for improvement of working posture was given for work element, namely fertilizer sowing(very high level risk), hedge trimming (high level risk), and pesticide spraying (high level risk).Implementation of these proposed improvements result on diminishing the frequency of occurrence and the level of risk on physical pain.
Value Chain Analysis on the Logistics Management as the Basis for Strategy Formulation to Increase Customer Satisfaction (Case Study in PT.Coca-Cola Amatil Indonesia - Plant East Java) Dian Setyawati; Imam Santoso; Mas’ud Effendi
Agroindustrial Journal Vol 1, No 1 (2012)
Publisher : APTA and DTIP FTP UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (108.817 KB) | DOI: 10.22146/aij.v1i1.24991

Abstract

PT. Coca-Cola Amatil Indonesia (PT. CCAI) - Plant East Java as a carbonated soft drinks manufacturer isexperiencing a mismatch between planning and realization of product shipments shown by fullfilment anddelivery mismatch among the company target at difotai (delivery infull ontime accurately invoice). This thingwas d ue to an incompatibility among logistics management activities, so it is necessary to do value chainanalysis to find out which activity is the cause of nonconformities in order to do strategy formulationimprovement to enhance customer satisfaction. The purpose of this study was to determine the advantagesand disadvantages of logistics management in PT.CCAI - Plant East Java and make it as one of the basis forstrategy formulation to improve customer satisfaction with value chain analysis approach. This researchused descriptive analytical method. The data was obtained by distributing questionnaires to the Warehouseand Transportation in PT. CCAI - Plant East Java and analysed using fuzzy AHP method. The resultsshowed that the overall weight of the main activities in a row from the top was the activity of supplymanagement, information flow and order processing, demand planning and operations, and transportation.Some things on the transportation activities that needed to be improved as the basis for the strategyformulation, among others, operational procedure, the carrying capacity of the facility, as well as thesocialization and communication of problems and changes handling.
DYNAMIC LOT-SIZING PROBLEMS: A Review on Model and Efficient Algorithm Endy Suwondo; Henry Yuliando
Agroindustrial Journal Vol 1, No 1 (2012)
Publisher : APTA and DTIP FTP UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (178.216 KB) | DOI: 10.22146/aij.v1i1.24992

Abstract

Due to their importance in industry, dynamic demand lot-sizing problems are frequently studied.This study consider dynamic lot-sizing problems with recent advances in problem and modelformulation, and algorithms that enable large-scale problems to be effectively solved.Comprehensive review is given on model formulation of dynamic lot-sizing problems, especiallyon capacitated lot-sizing (CLS) problem and the coordinated lot-sizing problem. Bothapproaches have their intercorrelated, where CLS can be employed for single or multilevel/stage, item, and some restrictions. When a need for joint setup replenishment exists, thenthe coordinated lot-sizing is the choice. Furthermore, both algorithmics and heuristics solutionin the research of dynamic lot sizing are considered, followed by an illustration to provide anefficient algorithm.

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