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All Journal Charm Sains : Jurnal Pendidikan Fisika Jurnal FisTa : Fisika dan Terapannya
Satyano Mongan
Universitas Negeri Manado
Astronomy Education Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics

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PENGARUH WAKTU AKTIVASI KIMIA PADA KARBON AKTIF BERBAHAN DASAR ARANG ROTAN SERTA KARAKTERISASI MENGGUNAKAN SEM DAN FTIR Anita Carolina Waluyo; Satyano Mongan; Farly Tumimomor
Charm Sains: Jurnal Pendidikan Fisika Vol 1 No 3 (2020): OKTOBER
Publisher : Program Studi Pendidikan Fisika Jurusan Fisika Fakultas Matematika, Ilmu Pengetahuan Alam, dan Kebumian (FMIPAK), Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (483.582 KB) | DOI: 10.53682/charmsains.v1i3.47

Abstract

Activation of rattan charcoal is carried out to increase pore size and formfunctional groups. In this study, activated carbon from rattan has been made withdifferent activation times. The research objective was to determine the pore size andfunctional groups contained in the activated carbon of rattan with an activation time of 5hours and 10 hours. The solution used to activate rattan activated carbon is KOH 10 mlcharcoal 10 grams with a burning temperature of 1500C. The results of rattan activatedcarbon were characterized using SEM and FTIR to see the pore size and functionalgroups. The activated carbon sample of rattan with the activation time of 5 hours had apore size that was not too large and only a few were formed and the sample of 10 hoursof activation time had a large pore size. The samples for 5 hours and 10 hours ofactivation have the same functional groups, namely O-H, C-C, C-O, C-H.
PENERAPAN PROJECT BASED LEARNING (PJBL) DENGAN PENDEKATAN LINGKUNGAN PADA MATERI FLUIDA STATIS Gloria Loindong; Tineke Makahinda; Satyano Mongan
Charm Sains: Jurnal Pendidikan Fisika Vol 4 No 1 (2023): FEBRUARI
Publisher : Program Studi Pendidikan Fisika Jurusan Fisika Fakultas Matematika, Ilmu Pengetahuan Alam, dan Kebumian (FMIPAK), Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/charmsains.v4i1.229

Abstract

The project-based learning (PjBL) model with an environmental approach is a learning model that uses projects as a learning method and utilizes the environment as a learning resource. The purpose of this study was to determine the application of project-based learning (PjBL) with an environmental approach to static fluid material. The method used in this research is pre-experiment research with one group pretest-posttest design. This research was carried out through three stages. The first stage is to give a pretest to measure students' initial abilities. The second stage is to provide treatment, namely project-based learning with an environmental approach. And in the third stage, giving a posttest as an evaluation.. The subjects of this study were 11th grade students of SMA Negeri 2 Tondano in the 2022/2023 school year. After obtaining the research data, then processed with the help of SPSS 22.0 for windows to test the results of data analysis, normality test, hypothesis test and N-Gain test. The average pretest result was 59.25 and posttest result was 85.50. Based on the acquisition of N-Gain values from each student, there is an increase in the N-Gain category score with an average N-Gain value of 0.63 . The results of this study indicate that the application of project-based learning (PjBL) with an environmental approach can improve student learning outcomes in static fluid material.
HILANG PANAS ALAMIAH MANIFESTASI PANAS BUMI DI DAERAH MINAHASA SULAWESI UTARA Satyano Mongan
Jurnal FisTa : Fisika dan Terapannya Vol 1 No 1 (2020): APRIL
Publisher : Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/fista.v1i1.58

Abstract

The area of Minahasa ​​North Sulawesi has potential subsurface geothermal resources. This is evidenced by the appearance of geothermal manifestations on the surface which are scattered in many places. According to the law of energy balance, the heat stored in a reservoir is equal to the heat that escapes to the surface through the discharge area. Therefore, to estimate the amount of heat stored in the geothermal reservoir below the surface, measurement and calculation of the amount of heat that naturally comes out of the surface will be carried out. This study aims to determine the amount of natural heat loss from geothermal manifestations in the Minahasa area, especially in Leilem Village and its surroundings, as well as to determine the amount of geothermal speculative resources below the surface. The method used is a combination of geological and geochemical methods with measurement of physical parameters in the geothermal manifestation. The results showed that the total natural heat loss of geothermal manifestations in Minahasa Regency, especially in Leilem Village, Sonder District was 684,399 KW, while the large speculative resources of the geothermal potential were 6843.99 KW or 6.84 MW.
Analisis Spektroskopi Ftir Untuk Karakterisasi Kimia Fisik Fluida Mata Air Panas Di Kawasan Wisata Hutan Pinus Tomohon Sulawesi Utara Ridel Raturandang; Donny Royke Wenas; Satyano Mongan; Cyrke Bujung
Jurnal FisTa : Fisika dan Terapannya Vol 3 No 1 (2022): APRIL
Publisher : Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/fista.v3i1.167

Abstract

Geothermal is one of the alternative energy sources that are classified as new and renewable (new and renewable). This is because geothermal energy sources are still relatively new and are said to be renewable because production waste in the form of water is re-injected and produces a recycle process that allows sustainability. The process of exploration, exploitation and production does not produce toxic gas emissions. In terms of prospects, geothermal itself is a promising energy in the future because the source is heat from within the earth that will never run out. One of the areas in North Sulawesi that has the potential for geothermal project development is located in the Tomohon area, North Sulawesi Province. Based on the preliminary survey that has been carried out, at this location found manifestations in the form of hot springs located in the Pine Forest. The purpose of this study was to determine the type of fluid and functional groups of molecules manifesting hot springs in the Tomohon pine forest tourism area. Analysis of the ion content in the fluid using spectrophotometer characterization, and analysis of molecular functional groups using FTIR (Fourier Transform Infra Red) spectroscopy. The results showed that the type of fluid manifestation of the hot springs in the Tomohon Pine Forest Tourism Area has the type of bicarbonate (HCO3). Analysis of functional groups of fluid molecules in the manifestation of hot springs in the Tomohon Pine Forest Tourism Area has functional groups C=O, C≡C and O-H.
ANALISIS BATUAN PADA TANAH BERUAP DAN TANAH HANGAT MENGGUNAKAN SEM-EDX DAN FTIR DI DESA TONDANGOW, TOMOHON Donny R. Wenas; Satyano Mongan; Waren Cristoper Anthe
Jurnal FisTa : Fisika dan Terapannya Vol 3 No 2 (2022): OKTOBER
Publisher : Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/fista.v3i2.213

Abstract

The island of Sulawesi and its surroundings regionally shows a complex geological structure with mineral complexity due to the accumulation of collisions from various Australian and Pacific macro plates. North Sulawesi Province is one of the areas that have alteration rocks that are commonly found in geothermal manifestation areas. The purpose of this study was to determine the element composition and types of rock minerals in steaming ground and warm ground in Tondangow, North Sulawesi Province. The method used is the electron beam method on SEM, and the energy dispersive X-ray spectroscopic method and FTIR spectroscopy. The results obtained indicate that the composition of rock elements in the steaming ground in Tondangow Village, Tomohon, North Sulawesi Province is O, Si, and Al with the percentage content of O 51.96 percent, Si 40.37 percent, and Al 7.67 percent. For warm ground rocks obtained O and Si content, with the percentage of O 54.40 percent and Si 45.60 percent. The type of rock mineral in the steaming ground is obtained by quartz and kaolinite minerals, which are dominated by quartz. For rocks on warm ground obtained the type of mineral quartz
ANALISA HEAT LOSS PADA PIPA DARI DEMISTER KE TURBIN PADA PEMBANGKIT LISTRIK TENAGA PANAS BUMI LAHENDONG UNIT-2 Teshalonikha Gabriel Iglesia Miranda Saburu; Satyano Mongan; Jefferson Polii
Jurnal FisTa : Fisika dan Terapannya Vol 3 No 2 (2022): OKTOBER
Publisher : Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/fista.v3i2.215

Abstract

Geothermal Power Plant in Lahendong is the largest power plant unit with environmentally friendly energy, with geothermal resources in North Sulawesi. At the Geothermal Power Plant in Lahendong unit-2, there are important components used to convert steam into electricity. These components include a demister, turbine, condenser, generator, cooling tower, injection well, and also a heat exchanger. One of the important pipes in the line of the Geothermal Power Plant is the pipe between the demister to the turbine. In the flow of steam in the unit-2 pipe from the demister to the turbine, it may experience heat loss during steam flow. The purpose of this study was to determine the amount of heat loss in the pipe from the demister to the turbine at Geothermal Power Plant Lahendong unit-2. This research uses the Steam Tabie application and Microsoft Excel. In this study, the results of the calculation of heat loss along the pipe from the demister to the turbine at the Lahendong Unit-2 Geothermal Power Plant amounted to 4465699 kJ/s
Co-Authors Anita Carolina Waluyo Cyrke A N Bujung Donny R. Wenas Donny Royke Wenas Farly Reynol Tumimomor Gloria Loindong Jefferson Polii Ridel Raturandang Teshalonikha Gabriel Iglesia Miranda Saburu Tineke Makahinda Waren Cristoper Anthe