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All Journal Jurnal Mekanika dan Sistem Termal KURVATEK Jurnal Engine: Energi, Manufaktur, dan Material BERNAS: Jurnal Pengabdian Kepada Masyarakat Jurnal Offshore: Oil, Production Facilities, and Renewable Energy Petro : Jurnal Ilmiah Teknik Perminyakan Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII Jurnal Pengabdian Pada Masyarakat
Rena Juwita Sari
Universitas Proklamasi 45
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ANALISIS MANIFESTASI PANASBUMI MENGGUNAKAN METODE MAGNETIK DI PARANGWEDANG, KABUPATEN BANTUL Rena Juwita Sari; Listriyanto Listriyanto Listriyanto; Syamsul Ma'arif; Wira Widyawidura
KURVATEK Vol 3 No 2 (2018): November 2018
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v3i2.888

Abstract

Parangwedang, Parangtritis Kabupaten Bantul berpotensi untuk pemanfaatan energi panasbumi. Terlihat ditemukannya manifestasi panasbumi yaitu mata air panas. Penelitian  ini bertujuan untuk memperkirakan potensi energi panasbumi Parangwedang, serta membuat skema pemanfaatan potensi panasbumi sebagai rekomendasi untuk digunakan di daerah tersebut. Analisis yang digunakan dalam penelitian ini yaitu Analisis geologi dan analisis geofisika. Hasil analisis menggunakan metode Magnetik menunjukkan pola intensitas rendah berwarna biru dibagian selatan dengan dimensi klosur sekitar 100 meter dengan nilai berkisar antara 160 – 0 nT dan  diduga sebagai pola heat source yang dimungkinkan menjadi sumber air panas pada daerah ini dan diduga disebabkan oleh sesar bearah timurlaut-baratdaya. Klosur yang diduga sebagai sumber panas memiliki dimensi yang cukup kecil dan posisinya cukup dangkal dengan perkiraan keberadaan anomali berada pada kedalaman 200 – 300 meter. Berdasarkan kajian yang telah dilakukan disimpulkan bahwa daerah Parangwedang merupakan daerah prospek panasbumi. Dilihat manifestasi berupa mata air panas sebagai daya tarik pariwisata, tetapi untuk dimanfaatkan sebagai pembangkit listrik tenaga panas bumi (PLTP) skala kecil perlu dilakukan studi lebih lanjut.Kata kunci : Parangwedang, Panasbumi, Metode Magnetik, PLTP
FABRIKASI DAN KARAKTERISASI MEMBRAN STYROFOAM DENGAN METODE ELEKTROSPINNING UNTUK PEMISAHAN MINYAK/AIR Rena Juwita Sari; Maria Ratih Puspita; Fitria Basuki Sukandaru; Akhmad Kusumaatmaja
KURVATEK Vol 6 No 2 (2021): November 2021
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v6i2.1558

Abstract

Membrane separation technology is a new technology in oily wastewater treatment. High efficiency and relatively smooth operational processes are the main advantages that need to be looked at in membrane separation. Characterization of the styrofoam nanofiber membrane as an oil/water filter has been completed. Styrofoam membrane is made by electrospinning method with solvent concentration of 5 ml, 10 ml, 15 ml and 20 ml. In addition, the membrane filtration process test equipment was also made. The results of the FTIR spectrum of membrane filtration results explained that the new absorption peak of 1442.80 cm-1 caused an increase in membrane hydrophilic, at the absorption peak of 2841 cm-1 and an increase in absorption peak of 2926.13 cm-1 occurred due to the presence of water content in the membrane after testing. Whereas the absorption peak of 2084.49 cm-1 indicates an interaction between compounds in orange peel (phenolic, flavonoid and triterpenoid) with oil. Meanwhile, SEM results of styrofoam membranes after filtration showed that the size of the nanofiber became larger (swelling) and fouling occurred around the pore causing narrowing of the pore. This causes a decrease in permeability but increased selectivity. Keywords: membrane, styrofoam, nanofiber, electrospinning, oil water filtration
Co-Authors Akhmad Kusumaatmaja Andri Prasetyo Nugroho Enda Apriani Fitria Basuki Sukandaru Fitria Basuki Sukandaru Fitria Basuki Sukandaru Hari Setiadi, Hari Irmaya, Aisyah Listriyanto Listriyanto Maria Ratih Puspita Mochamad Syamsiro Muchamad Malik Sukarjo, Heribertus Syaiful Mansyur Syaiful Mansyur Syamsul Ma’arif