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All Journal Jurnal Pengabdian Sosial Sainteks: Jurnal Sain dan Teknik
Septiani, Nadila
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Analysis of factors influencing the performance of the ammonia converter at plant IIB of PT Pupuk Sriwidjaja Nurisman, Enggal; Effendi, Yunita; Septiani, Nadila
Sainteks: Jurnal Sain dan Teknik Vol 7 No 01 (2025): Maret
Publisher : Universitas Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/sainteks.v7i01.701

Abstract

The Ammonia converter is the primary equipment in an ammonia plant in PT Pupuk Sriwidjaja IIB where the conversion process of hydrogen and nitrogen into ammonia takes place. During this process, various constraints often arise such as changes in temperature, pressure, and the H2/N2 ratio, which can result in decreased performance and impact the conversion of the produced products. Performance evaluation of the ammonia converter is conducted to determine the condition and main factors affecting the ammonia conversion on the ammonia converter by collecting conversion data, H2/N2 ratio, temperature, and pressure. Based on the evaluation results from the data of September-November 2023, it was found that the actual average conversion of ammonia is better than the design, amounting to 20.43%. The highest conversion of ammonia is at a temperature of 399.25°C and pressure of 152.18 kg/cm2, while the lowest conversion is at a temperature of 402.17°C and pressure of 150.52 kg/cm2. Furthermore, based on statistical tests using multiple linear regression method, there are two main factors influencing the conversion of ammonia, namely temperature and pressure, while the H2/N2 ratio does not significantly affect the conversion of ammonia due to its fluctuating nature.
Strategi Pengembangan Pendidikan Holistik dan Pemberdayaan Sosial melalui Program MARIPOSA di Desa Cikarae Thoyyibah Oktapiansyah, Melsa; Munandar, Fakhry Maulana; Aprillia, Haifa; Falah, Julfah Nazwatul; Affifah, Khairina Ghasani; Wahid, M Fadly; Harahap, Mochamad Maulana Shaleh; Septiani, Nadila; Sari, Novita; Maharani, Rahil; Mustika, Desi; Fitri, Yulinda; Ramadhan, Wilda Octavianti; Ridwan, Riandy Aulia Fajar; Rahmawati, Fadilla
Jurnal Pengabdian Sosial Vol. 2 No. 10 (2025): Agustus
Publisher : PT. Amirul Bangun Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59837/db25x663

Abstract

Program MARIPOSA (Mari Peduli Sosial dan Asa) merupakan wujud nyata pengabdian mahasiswa kepada masyarakat di Desa Cikarae Thoyyibah melalui serangkaian kegiatan pembelajaran moral, edukasi kesehatan pencegahan stunting, dan pengembangan kreativitas lingkungan hidup. Program ini meliput 3 pilar utama (Pendidikan, Kesehatan, UMKM) yang dilaksanakan dalam rangkaian Kuliah Kerja Nyata (KKN) Universitas Nusa Putra pada Juli 2025 dengan pendekatan partisipatif. Program ini menyasar anak-anak sebagai generasi penerus dengan menanamkan nilai-nilai moral, akhlak mulia, keterampilan belajar, hingga membangun semangat tinggi dan kepedulian alam sekitar. Metode pelaksanaan meliputi observasi, sosialisasi, dokumentasi dan realisasi. Dengan tahapan-tahapan yang dilaksanakan melalui pendampingan kelas moral, penyuluhan stunting, aktivitas menggambar, hingga jelajah alam. Hasil dari pengabdian ini menunjukkan antusisme peserta dan orang tua, meningkatnya pemahaman moral anak, bertambahnya kesadaran akan gizi seimbang, dan terciptanya lingkungan belajar yang kreatif serta mendukung tumbuh kembang anak secara optimal. Program ini diharapkan dapat menjadi contoh nyata praktik pengabdian yang relevan, tepat sasaran, dan berkelanjutan di tingkat desa.
Co-Authors Affifah, Khairina Ghasani Aprillia, Haifa Effendi, Yunita Enggal Nurisman Falah, Julfah Nazwatul Fitri, Yulinda Harahap, Mochamad Maulana Shaleh Maharani, Rahil Munandar, Fakhry Maulana Mustika, Desi Novita Sari Oktapiansyah, Melsa Rahmawati, Fadilla Ramadhan, Wilda Octavianti Ridwan, Riandy Aulia Fajar Wahid, M Fadly