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All Journal AUSTENIT Jurnal Teknik Industri : Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri
Hasan Basri
Universitas Sriwijaya
Automotive Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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DESIGN OF AUTOCLAVE FOR FRESH SHRIMP STERILIZATON PROCESS USING FINITE ELEMENT ANALYSIS Hendri Chandra; Jusran Abdi; Ozkar F. Homzah; Hasan Basri; Ikbal Azhari; Nurhabibah Paramitha Eka Utami
AUSTENIT Vol. 14 No. 2 (2022): AUSTENIT: October 2022
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v14i2.5676

Abstract

Chloramphenicol is one of antibiotic compound which is an additional ingredient that is forbidden to be used in food products, especially in fresh shrimp product export. To avoid the used of preservative, then required sterilization process in a physical way which is vaporization using a high-pressure supercritical carbon dioxide (CO2). One of sterilization process for supercritical carbon dioxide is using autoclave media. Autoclave is a closed heating device used to sterilize or reducing a substance or object that is disserve by using high temperature and high pressure steam. In designing and constructing autoclave, the first step to be done is to define the function and the operation capacity. The function and capacity will determine the initial dimension of autoclave as well its working pressure and temperature. In this study, the autoclave was designed with quantitative methods and modeling using software Autodesk inventor 2016 based on finite element method. The given load is in the form of supercritical carbon dioxide pressure of 73.83bar and temperature of 31.30C. Based on the result of design, quantitative methods gives the safe result and optimized thickness needed autoclave usage.
Penerapan Metoda RCM Dan Analisis FMECA Untuk Menentukan Interval Preventif Maintenance Dan Estimasi Biaya Perawatan Mesin Potong Plat YSD HGS 31/30 Refdinal Latif Hendryanto; Refaldy Yusuf Hendryanto; Hasan Basri
JTI: Jurnal Teknik Industri Vol 9, No 2 (2023): DESEMBER 2023
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v9i2.22987

Abstract

Satuan kerja Rekayasa Enjiniring dan Manufaktur PT. Bukit Asam Tbk bertanggung jawab atas keandalan fasilitas angkutan batubara dan peralatan. Peralatan seperti mesin potong plat YSD HGS 31/30, yang merupakan bagian penting dari proses fabrikasi, sering mengalami kerusakan pada bagian-bagiannya. Akibatnya, satuan kerja tidak dapat mencapai KPI (Key Performance Indicator). Tujuan penelitian ini adalah untuk menentukan nilai kritis dari komponen mesin potong plat dan rekomendasi perawatan terbaik. Analisis FMECA juga digunakan untuk menghitung biaya perawatan mesin, dan metode RCM digunakan untuk menentukan interval dan tugas perawatan. Hasil penelitian menunjukkan bahwa tugas perawatan pencegahan yang direkomendasikan untuk komponen motor induksi mencakup tugas perawatan on-condition dan restorasi yang direncanakan setiap dua belas bulan, sedangkan tugas perawatan on-condition dan restorasi yang direncanakan untuk gearbox diperlukan setiap empat bulan, dan tugas perawatan restorasi dan pembersihan hidrolik diperlukan setiap empat bulan. Hasil perhitungan biaya menunjukkan bahwa biaya perawatan mesin potong plat YSD HGS 31/30 adalah Rp. 105.683.700 per tahun. Kata kunci: Metode RCM, analisis FMECA, mesin potong plat, tugas perawatan pencegahan, biaya perawatan
BIOCOMPATIBLE P(TM co SA-CAA) HYDROGELS WITH pH RESPONSIVE AND ENHANCED MECHANICAL PERFORMANCE Gustini Gustini; Kaprawi Kaprawi; Hasan Basri; Irmawan Irmawan; Irsyadi Yani; Nurhabibah Paramita Eka Utami
AUSTENIT Vol. 15 No. 2 (2023): AUSTENIT: October 2023
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v15i2.7536

Abstract

In recent years, development of hydrogel that combines biocompatibility, pH responsive and mechanical performance has attracted the attention of researchers. A novel biocompatible hydrogel, composed of P(TM co SA) and P(TM co CAA) was synthesized by a simple admixture and heating process. The results show that with increasing levels of SA-CAA monomer concentration, an increase in tensile strength and elongation at breakpoint was observed and optimal at the ratios P(TM co SA CAA). Tensile strenght and young’s modulus registered an impressive increase of 43% and 40% respectively. These improvements are attributed to strong synergistic hydrogen bonding interactions between the TM and SA-CAA chains. During the experiment, maximum increase in weight was also achieved at pH 10 NaOH solution, it is show the pH-responsive hydrogels. The investigation of P(TM co SA-CAA) hydrogel mechanism showed that more homogenous dispersed through crosslinks dominated by β-sheets from Amide I structures. Furthermore, the SA-CAA molecules contributed to the biocompatibility, pH responsive and mechanical performance of P(TM co SA-CAA) hydrogels. Conclusively, its P(TM co SA-CAA) hydrogels clearly demonstrated the relevance of the provide a bioresponsive material for biomedical applications, such as tissue engineering, regenerative medicine and pH-sensitive drug delivery.
Co-Authors gustini gustini Hendri Chandra Homzah, Ozkar F Ikbal Azhari Irmawan Irmawan Irsyadi Yani Jusran Abdi Kaprawi Kaprawi Nurhabibah Paramita Eka Utami Nurhabibah Paramitha Eka Utami Refaldy Yusuf Hendryanto Refdinal Latif Hendryanto