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All Journal agriTECH Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat Jurnal Teknik Kimia USU Journal of Patchouli and Essential Oil Products Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan JURNAL REKAYASA KIMIA & LINGKUNGAN
Nasrul Arahman
Jurusan Teknik Kimia, Fakultas Teknik, Universitas Syiah Kuala
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Medicine & Pharmacology Other

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Konsep Dasar Proses Pembuatan Membran Berpori dengan Metode Non-Solvent Induced Phase Separation - Penentuan cloud point dan diagram tiga phasa Arahman, Nasrul
Jurnal Rekayasa Kimia & Lingkungan Vol 9, No 2 (2012): Jurnal Rekayasa Kimia & Lingkungan
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

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Abstract

Application of membrane technology for separation processes has been an efficient optional to produce a high quality of separation product. This process has been widely using in many field of industry. Therefore, knowledge of this membrane preparation is important for controlling the pore size of resulted membrane. This paper explained the basic concept of membrane preparation via non-solvent induced phase separation (NIPS) process by immersion precipitation. The effect of concentration of polyethersufone on the formation of cloud point of dope solution in N-methylpirrolidone was investigated. Two kinds of non-solvent as water and ethanol were used in order to study phase separation mechanism of polymer solution. Base on the amount of non-solvent of water and ethanol needed for cloud point formation, the ternary phase diagram can be performed. The experimental result indicated constant concentration of polyethersulfone, amount of ethanol needed was higher than water to obtain cloud point formation of polymer solution.Keywords: cloud point of polymer solution, immersion precipitation, membrane preparation
Microplastics contamination of sea surface water in Banda Aceh City and Aceh Besar District, Aceh Province, Indonesia Faradilla, Suci Budi; Siregar, Lisna Yanti; Arahman, Nasrul; Muchlisin, Zainal Abidin
Depik Vol 14, No 2 (2025): JUNE 2025
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.14.2.40197

Abstract

Plastic debris is one of the serious problems in urban cities, including Banda Aceh city and Aceh Besar district, Indonesia. This waste is degraded into a small particle called microplastics. This waste has the potential to pollute the waters in the coastal area. The objective of the present study was to analyse the microplastic contamination of the sea surface waters of Banda Aceh City and Aceh Besar District. Sea surface water was sampled from three locations, namely Gampong Jawa (Station 1), Alue Naga (Station 2), and Krueng Raya (Station 3) during January to March 2024. The results showed that there were four forms of microplastics found in the sea surface water sample, namely fragments, fibers, films, and pellets with nine colours, namely black, brown, blue, clear, red, yellow, green, pink, and purple. The fragments and black are the dominant form and colour of microplastic in the sea surface water of Banda Aceh city. The highest number of microplastic particles was found in Alue Naga waters (21.04 particles/L) and the least in Gampong Jawa waters (16.6 particles/L). Therefore, it is concluded that the surface of the seawater studied in this study has been contaminated with microplastics.Keywords: Microplastics Sea surface water Plastic waste Banda Aceh City Aceh Besar District
Co-Authors Akbar, Awalul Alfian Putra Ameilia Zuliyanti Siregar Bastian Arifin Bilad, Muhammad Roil Cut Erika Deski, Dhafin Fachrul Razi Fachrul Razi Fachrul Razi Faradilla, Suci Budi Fitriani Fitriani Fitriani Fitriani Hasni Hasni Hasni Hasni Indera Sakti Nasution Izarul Machdar Izarul Machdar, Izarul Mahidin Mahidin Medyan Riza Melinda Melinda Meutia Nauly Mirna Rahmah Lubis Muhammad Roil Bilad Muhibbuddin Muhibbuddin Mukramah Yusuf Mulyati, Sri Pitra, Muhammad Novan Pratama, Raihan Nanda Ramli, Ichwana Satria, Suffriandy Siregar, Lisna Yanti Siregar, Netti Herlina Sri Aprilia Sri Aprilia Sri Aprilia Sri Mulyati Suffriandy Satria Sulastri Sulastri Surya, Alit Teuku Maimun Tulus Tulus Umi Fathanah Yusuf, Mukramah ZAINAL ABIDIN MUCHLISIN Zulkifli Nasution