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Jurnal Teknik Industri
Published by Universitas Muhammadiyah Malang
ISSN : 19781431     EISSN : 25274112     DOI : -
Core Subject : Economy, Science, Engineering,
Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Industrial & Manufacturing Engineering
Dr. Saiful Anwar Malang is a state hospital has done it is job and function, but in 3rd class of pavilion room, the number of patient decrease dramatically. It is concerned with quality of this hospital. To answer this problem, research was done using Quality Function Deployment (QFD). Quality Function Deployment is a tool which design some needs include customers represented as a voice of customer and including some competitions and also groups some activities that usually called affinity graphic ang getting a benchmarking for it is competition. From the result analysis can be showed that main attribute for patience is a accuracy. And from House Of Quality can be found that getting a periodic meeting to evaluate this hospital and also increase a service can be made 20 concept
Arjuna Subject : Bisnis, Menejemen, dan Akutansi (semua kategori) - Strategi dan Menejemen
Articles 13 Documents
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Search results for , issue "Vol 12, No 1 (2011): Februari" : 13 Documents clear
Optimalisasi Proses Injection Moulding Pada Nanoalumina Jufri, Moh.
Jurnal Teknik Industri Vol 12, No 1 (2011): Februari
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (570.539 KB) | DOI: 10.22219/JTIUMM.Vol12.No1.16-19

Abstract

Composite is arranged from material with function as matrix that has weaker characteristic and material with filler function that has a function to transfer force from load in matrix. Plastic has more advantages than other materials;those are, able to be formed finely, light in weight, easy to get and the price is cheaper relatively. However, the problem is the filler that is involved here is still using fiberglass in which it will disturb human health. Alumina dust used here is Merck by particle size of > 0.063 mm, to get nano size then it would be mixed by Mixer Ball Mill for 50 hours and would be measured for dust grain size with particle size analyzer (PSA), then it is dehydrated in the oven by temperature of 80° C. The percentage of nano alumina for each are 1%, 2%, 3%, 4% ,5%,6% and 7%. Furthermore, it is mixed with PP plastic grain that is conducted by internal mixer to ensure the material distribution evenly, then it is poured in hoper in injection moulding machine that is operated in the temperature of 170° C and is injected in sample test moulding. The result of characterization of tensile strength, modulus elasticity and tensile show the decrement by addition of 2–3% of nano alumina in polypropylene matrix.
Optimalisasi Proses Bioremediasi Secara In Situ Pada Lahan Tercemar Pestisida Kelompok Mankozeb Yohanes, Setiyo; Utama, Made S; Tika, Wayan; Gunadnya, IBP.
Jurnal Teknik Industri Vol 12, No 1 (2011): Februari
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (565.411 KB) | DOI: 10.22219/JTIUMM.Vol12.No1.51-56

Abstract

Compost as an organic fertilizer could improve the physical, chemical, and biological characteristics of the soil in a certain way so that soil mineral was available for plant. The special aim of this research was to optimize the bioremediation process for degradation of pesticide residues at Bedugul Agro-tourism so that organic farming system will be sustainable. Based on C/N, and pH, it could be concluded that better solution for bioremediation of pesticide residue problem was by giving mixed-compost in horticulture cultivation. Deviation of pH in bioremediation process was 0.22, and pH in-situ bioremediation process was between 6.9 and 7.12 or neutral pH. In this condition micro-organism would be effective in degrading pesticide residue. Bioremediation process on pesticide residue of Ditane M-45 at horticulture cultivation deploy with 1.2 g/l/20 m2, 2.4 g/l/20 m2, and 3.6 g/l/20 m2 spraying dosages took place perfectly, which was showed by parameters on development of micro-organism population and the amount of pesticide residues. Pesticide residue of each spraying dosages was 0.25–1.7% at 35 days or this values were under 0.003 ppm.
Model Matematika Optimasi untuk Perbaikan Proses Penggorengan Vakum Terhadap Tekstur Keripik Buah Jamaluddin, J; Rahardjo, Budi; Hastuti, Pudji; Rochmadi, R
Jurnal Teknik Industri Vol 12, No 1 (2011): Februari
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (232.315 KB) | DOI: 10.22219/JTIUMM.Vol12.No1.82-89

Abstract

Hard and crunchy are specific characteristics of fried product prefered by consumer. To have texture of crunchy product being suitable with consumer taste, it is necessary to observ characteristic change of raw material and frying condition. In frying process, the changes of hardness and crunchiness characteristics of food occur. These changes are predicted caused by free water vaporization and the decrease of starch content in food. The objective of this research is to develop mathematical model of hardness and crunchiness changes as the function of water and extract content degradation. Sample of the research is jack fruit fried in the temperature of 70–100° C, duration of 15–60 minutes, and pressure of 80–90 kPa. The parameters observed are hardness and crunchiness, water and starch content before and after frying. The result showed that hardness and crunciness change as the function of water vaporization and the decrease of starch content can be used to predict hardness and crunciness of product during vacuum frying.

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