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All Journal Infotekmesin Jurnal Ilmiah Dinamika Rekayasa
Akhlis Rahman Sari Nurhidayat
Universitas Jenderal Soedirman
Computer Science & IT Electrical & Electronics Engineering Mechanical Engineering

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Analisis Pembentukan Endapan pada Transportasi Gas Alam Pengaruh Tekanan, Temperatur, dan pH. Akhlis Rahman Sari Nurhidayat; Mediansyah; Nur Akhlis Sarihidaya Laksana
Infotekmesin Vol 15 No 2 (2024): Infotekmesin, Juli 2024
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v15i2.2331

Abstract

Natural gas production areas and processing sites for use in the residential and industrial sectors are separated by a long distance. Contaminants such as H2S and CO2 are present when natural gas is transported. The reaction process that occurs in the pipe walls will experience a reduction in material. A process that occurs repeatedly over a long time will form deposits at the bottom of the pipe. This research investigates the sludge produced by the pigging process every month. The sludge characters are identified using SEM and XRD testing, while the condensate is examined using XRF testing. The XRF results show that the presence of Cl- in the condensate increases the anodic reaction in the corrosion process. Condensate has a pH of 5-6, which will cause corrosion around internal piping. Sludge produces Fe3O4, FeS, and FeCO3. Fe3O4 is more dominant than FeS and FeCO3. More FeS is produced by % mol H2S than by % CO2. Because of the existing FeS, the particles formed are irregular.
Platelet Lysate Nusantara (PL-NUSA) Product Packaging Design Using The Nigel Cross Approach Radita Dwi Putera; Alfandi Setya Pradana; Katon Muhammad; Akhlis Rahman Sari Nurhidayat
Jurnal Ilmiah Dinamika Rekayasa Vol. 21 No. 1 (2025): Jurnal Ilmiah Dinamika Rekayasa - Januari
Publisher : Engineering Faculty, UNSOED

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jidr.2025.21.1.4

Abstract

The health industry is currently developing rapidly. One of the products that is currently developing is Platelet Lysate. Platelet Lysate is an alternative medium for cell growth. In industry, the makers of Platelet Lysate produce quite a lot of waste. Therefore, the waste is reprocessed into a new product called Platelet Lysate Nusantara (PL-Nusa) to reduce waste. Because PL-Nusa is reprocessed waste, something is needed to increase the value of the product. One way is to make packaging. Packaging is not only to increase the value of the product but also as a protective tool so that the product is protected from infection. To make packaging, packaging design needs to be carried out to suit the desires and needs of consumers. In the PL-Nusa product, the design was carried out using the Nigel Cross approach. The results obtained are that the packaging used for PL-Nusa is 100ml with a circular, serrated, and rotated lid. While the packaging shape is in the form of a tube with the same size from top to bottom. And the material used for packaging uses PP (Polypropylene).
Co-Authors Alfandi Setya Pradana Mediansyah Muhammad, Katon Nur Akhlis Sarihidaya Laksana Radita Dwi Putera