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Irfan Aditya Dharma
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INDONESIA
Jurnal Teknoin
Published by Universitas Islam Indonesia
ISSN : 08538697     EISSN : 26556529     DOI : -
Core Subject : Engineering,
Engineering Mechanical Engineering
Teknoin memiliki komitmen untuk mempublikasikan topik-topik dalam bidang teknologi industri. Selain itu, dengan fitur jurnal open-access, diharapkan Teknoin dapat menjadi rujukan akademis tanpa batas baik untuk penelitian, pengajaran, maupun tujuan akademis lainnya.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 294 Documents
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Sebuah studi literatur mengenai pengukuran kinerja rantai pasok pada industri strategis di Indonesia Joko Sulistio
Teknoin Vol. 24 No. 2 (2018)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol24.iss2.art3

Abstract

Article 33 in 1945 Constitution of the Republic of Indonesia is the essence of strategic industry operative. Consistent with supply chain management (SCM), the objective is to fulfil costumer value. Therefore, SCM performance measurement become significant. The current measurement was not developed from the article 33. This research objectives are to study the current measurement framework and to discover research gap to develop measurement framework suitable for strategic industry in Indonesia. The method used in this research is systematic literature review. This study found that there is no performance measurement that developed upon article 33. Further performance measurement development is crucial to accommodate article 33 and grounded theory is promising for such work. 
Pengujian Subtitusi CaCO3 Taiwan dengan CaCO3 Produk Lokal untuk Industri Berbahan Baku PVC Anwar Sukito Ardjo; Rofarsyam Rofarsyam
Teknoin Vol. 10 No. 2 (2005)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/.v10i2.689

Abstract

The paper reports an experiment to produce  polyvinyl chloride (PVC) using local (from Gunung Kidul) and imported (from Taiwan) CaCO3. The laboratory test shows that PVC produced using Taiwanese CaCO3 is superior over that using local CaCO3 in terms of its flexibity.  Hence, it is not recommended to use local CaCO3 producing PVC-based products that requires high flexibility such as water pipe, cable isolator. On the other hand, the local PVC may be used to produce, for instance,  blinds and compressor.  Keywords: PVC, local CaCO3  , imported CaCO3
STUDI EKSPERIMENTAL PENGARUH KECEPATAN ALIRAN MASUK, SPLIT – RATIO DAN DIAMETER VORTEX FINDER TERHADAP UNJUK KERJA LIQUIDLIQUID CYLINDRICAL CYCLONE (LLCC) SEPARATOR Irfan Aditya Dharma; Adhika Widyaparaga; Alim Yuandia
Teknoin Vol. 24 No. 1 (2018)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol24.iss1.art7

Abstract

The large number of ports in Indonesia generate a lot of waste oil that contaminate the ocean around the port. However, the pollution prevention is not supported by a good facility. Hydrocyclone separator can be used as an alternative to supporting conventional separataor technologies such as vessel type separator or gravitational based separator to prevent the waste oil pollution. The purpuse of this study is to determine the effect of split ratio, inlet mixture velocity, and vortex finder diameter on the performance of the liquid-liquid cylindrical cyclone (LLCC). Oil (Kerosene) and water were selected as the working fluid and a red color (dye) was given to the oil to enable visualization . Performance of LLCC determined from watercut that produced from separation process. The examined inlet mixture velocity are 0.7 m/s, 0.9 m/s and 1.1 m/s with split-ratio 5%, 15%, 30%, 45%, 60%, 75% and 90%. . All of them are tested with vortex finders that have diameters 18 mm, 22 mm and 27 mm with 0 mm depth. The oil volume fraction inlet is kept constant at 25%. The result showed that LLCC was capable to separating oil-water mixture and produced watercut on underflow reaches 100%. The increasing of split-ratio will increase the watercut until reached the maximum value for all diameter of vortex finder. The condition when the oil content begin to move to the underflow on certain split-ratio is called oil drag. The split-ratio that used before oil drag occurs is called Optimum Split Ratio (OSR). LLCC should operated on OSR to obtain the best performance. The OSR is shifted to the higher split-ratio for higher inlet mixture velocity. The increasing of vortex finder diameter did not change LLCC performance significantly.
Implementasi Web-Service untuk Pengembangan Layanan Pariwisata Terpadu Tri Kuntoro Priyambodo
Teknoin Vol. 10 No. 2 (2005)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/.v10i2.682

Abstract

This paper describes an integrated tourism information system developed using web-service technology. In order to give a clear picture of multi-tier system used for developing web-services, two cases (“WisataBudayaJawa web-service” for giving recommendations for users to select tourism objects to visit in the areas of the Province of Central Java and the Province of Yogyakarta; and “Kurs web-service” for delivering information on foreign currency exchange rate) are presented. The results of the study show that web-service enable to simplify operations conducted by a programmer in inputing and gathering outputs. In addition, web-service is operating-systems independent.  Keywords:: web-service, web programming, network, distributed system.
ANALISIS KELAYAKAN INDUSTRI PENYAMAKAN KULIT DI KAWASAN INDUSTRI ACEH LADONG, ACEH BESAR, ACEH Adib Adib; Ali Parkhan; Taufiq Immawan
Teknoin Vol. 24 No. 1 (2018)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol24.iss1.art1

Abstract

The growth of industrial sector has increased. Especially for leather industries. Production of UPT Pengolahan Kulit Ladong in the form of wet blue tanned skin will be expected to cover some of the needs of national market demand. The purpose of this research is to analyze the operational feasibility of UPT Pengolahan Kulit Ladong from legal aspect, market aspect, technical aspect, management aspect, and also financial aspect. The object of this research is at UPT Pengolahan Kulit Ladong, Aceh Ladong Industrial Estate, Aceh Besar Regency, Aceh Province. The method to be used for research is techno-economical method. Data analysis consists of legal aspect analysis, market aspect analysis, technical aspect analysis, management aspect analysis, and financial aspect analysis. The results of this study indicate that in terms of legal aspects able to meet the requirements of legality, the market aspect seen from the still many unmet needs of skin that demand reached 20 million pieces of skin per year for the national market, technical aspects, to produce wet blue tanned skin can use the machine and equipment that already exist in UPT Pengolahan Kulit Ladong and already installed, management aspect that is with the availability of raw materials, it is expected when human resources are available also for UPT immediately operated and produce, and financial aspect where MARR: 10% , NPV: Rp. 286.089.235 (NPV> 0), BEP: 96%, PP: 4 Years 5 Months 19 Days, and IRR: 12.28%, so for the operation and production of UPT Pengolahan Kulit Ladong is feasible to run based on the analysis of whole aspects.
Desain Interaksi Aplikasi Diskusi-Belajar Mengadopsi Media Sosial Memanfaatkan Prinsip Desain Nielsen Andhika Giri Persada
Teknoin Vol. 25 No. 1 (2019)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol25.iss1.art2

Abstract

E-Learning has been used as one of media that is used in the online-based learning process. Regarding to the fact about social media utilization by students, ideas are generated by adopting interactions from social media. Social media had proven able to attract various users, such as students. Utilization of mobile-based device, improve student's interest to use social media. Based on those facts, this study aims to design the interaction which is adopted from social media, named Diskusi-Belajar. There are two fundamental behind the reasons choosing social media as subject. First, social media had been proven able to attract users to communicate each other interactively. Second, social media has intuitive flow of interaction and interface which making it easier to be used. In this study, elements of the social media were converted into interaction design of Diskusi-Belajar. Interaction design is produced on mobile-based platform. In order to ensure usability quality, ten principles of the Nielsen's design are used as a guideline. Five evaluators are involved to measure interaction design and generated three times iterations. Conclusions of the study is, although not all Nielsen's design principles are accommodated, the elements which  are generated from previous studies have succesfully implemented in Diskusi-Belajar and produce good usability.
UTILISASI TiO2-ZEOLIT DAN SINAR UV UNTUK FOTODEGRADASI ZAT WARNA CONGO RED Karna Wijaya; Eko Sugiharto; Is Fatimah; Sri Sudiono; Diyan Kurniaysih
Teknoin Vol. 11 No. 3 (2006)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/.v11i3.88

Abstract

        An investigation of Congo Red photodegradation using TiO2-Zeolite and UV radiation was performed. TiO2-Zeolite was prepared by dispersing of pillaring solution (in form oligocations of titanium) into suspension of Zeolite. The suspension was stirred and then filtered to separate the solid phase from the filtrate. the solid phase was calcined by microwave oven at 800 Watt for 5 minutes to convert the oligocations into its oxide forms. The calcined product and  unmodified Zeolite were characterized using x-ray diffractometry, FT-IR spectrophotometry, X-ray fluorescence and gas sorption analysis to determine their physicochemical properties.        Photocatalytic activity of TiO2-Zeolite was tested on Congo Red using following method: 50 mg of Zeolite was dispersed into 25 mL of 10-4 M Congo Red. The dispersion was irradiated using 365 nm UV light at room temperature on various irradiation times, i.e. 10,20,30,40 and 60 minutes.  At certain irradiation time, the dispersion was filtered and the filtrate was then analyzed its concentration using UV-vis spectrophotometry method.         Characterization results exhibited that the formation of TiO2 on internal as well as external surfaces of Zeolite could not be detected  with x-ray diffractometry and FT-IR spectrophotometry, however determination of titanium using x-ray fluorescence analysis on the calcined product showed that the concentration of titanium was much higher than Zeolite (0.22% on Zeolite and 12.08% on TiO2-Zeolite). Gas sorption analysis result indicated that the the calcination  resulted in the increase of specific surface area (16,31 m2/g on Zeolite and 100,96 m2/g on TiO2-Zeolite) as well as total pore volume  of calcined product (13,34 mL/Å/g on Zeolite and 57,54 mL/Å/g on TiO2-Zeolite). Photocalytic activitiy test result conducted on that dye showed that ca 99 % of Congo Red was degraded by the system TiO2-Zeolite after UV irradiation for 60 minutes.Keywords: TiO2-Zeolite, photocatalytic, UV-irradiation, Congo Red
Implementasi ERP SAP dalam pembuatan report demografi organisasi (Studi kasus PT. Krakatau Steel (Persero) Tbk.) Ilham Bashirudin; Erlangga Fausa; Amarria Dila Sari
Teknoin Vol. 23 No. 3 (2017)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol23.iss3.art5

Abstract

The demographics of an organization have a positive influence on organizational commitmentthat ultimately affects the performance of an organization. The absence of such information will result in significant lack of essential information for management in organizational optimization The following journals explain the implementation of SAP ERP in making an organization demographic report, where the use of the software can bypass the drafting process which initially requires a long process and long time (average time 30 minutes) becomes a short process (average time less than 1 minute) or there is a 30x acceleration of time. In addition, there are also benefits of real time output from the hassle of organizational demography. Increasing the speed of report preparation shows that SAP ERP provides great benefits for the organization in running its business processes.
Verifikasi citra tanda tangan berbasis perceptron Latifah Listyalina; Irawadi Buyung
Teknoin Vol. 24 No. 2 (2018)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol24.iss2.art4

Abstract

A signature has become an important human attribute, which can represent personal information. Human signatures are widely used to authorize documents, both paper-based as well as electronic-based ones.  However, such authorization still poses various privacy issues, such as signature duplication and forgeries. These may not be easy to be addressed, particularly when involving many documents. Hence, advanced procedures are required to verify the signature authenticity. In this paper, we propose a new method for automatic signature verification based on the digitalized signature images. The method comprises successive image processing techniques, such as cropping, resizing, gray-scaling and thresholding. The binary images as the results of thresholding serve as the features of the signatures and are used to train a single layer Perceptron neural network. The experiment in this paper uses 42 digitalized signatures images, collected from two subjects. The obtained images are divided into the training and testing sets, in which the training and testing sets comprise 14 and 28 images, respectively. In the experiment, the proposed method produces the average training and testing accuracies of 100% and 98.85%, respectively. These indicate that the proposed method is reliable for practical applications.
MODIFIKASI ZEOLIT ALAM SEBAGAI ADSORBEN AMMONIUM HIDROKSIDA (NH4OH) Nur Indah Fajar Mukti
Teknoin Vol. 22 No. 10 (2016)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol22.iss10.art4

Abstract

Natural zeolite is a mineral that are widely available in Indonesia. Among many other benefits, the natural zeolite can be used as an adsorbent to reduce water pollutant caused by ammonia compounds and combination of derivatives. This research aimed to study the effect of natural zeolite dealumination on the adsorption properties of ammonium hydroxide (NH4OH). Dealumination effect was studied by varying the concentration of HNO3 (0.5 N, 5 N and 10 N). The adsorption process of NH4OH was observed by studying the adsorption time with amount of NH4OH adsorbed on the surface of the zeolite. In addition, also studied the effect of heating (calcination) after dealumination to the NH4OH uptake. In this study, NH4OH adsorbed on zeolite surface was observed by Fourier Transform Infrared (FTIR). Results were showed that the amount of NH4OH adsorbed on H- zeolite has a maximum (80.8%) at 5 N HNO3. From the calcination process, it was noted that H-zeolite undergo calcination process has higher NH4OH adsorption capacity than that of the H-zeolite without a calcination process. FTIR analysis was showed that NH4OH adsorbed on the surface of H- zeolite on Brønsted acid peak.

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