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All Journal Jurnal Ilmu Alam dan Lingkungan KOLONI Nata Palemahan: Journal of Environmental Engineering Innovations
Tanri, C. Selry
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Immunology & microbiology Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Veterinary Other

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Journal : KOLONI

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PEMANFAATAN ARANG AKTIF TEMPURUNG KELAPA SEBAGAI BIOSORBEN DALAM MENURUNKAN KADAR BESI (Fe) PADA AIR SUMUR GALI DIKELURAHAN LEMBO KEC.TALLO KOTA MAKASSAR Sappewali, Sappewali; Adim, Adim; Tanri, C. Selry; Aminah, Sitti
KOLONI Vol. 2 No. 1 (2023): MARET 2023
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/koloni.v2i1.427

Abstract

Inorganic and organic components, including various dangerous heavy metals such as iron (Fe), can cause water pollution, which is detrimental to the body of organisms because they are toxic. Biosorbent is one of the methods that can reduce the level of iron content in dug well water by using activated charcoal from coconut shells as a filter. This study aimed to determine the pH value, temperature and decrease in Fe levels in dug well water using coconut shell activated charcoal as a biosorbent with time variations of 7 (P1), 14 (P2) and 21 (P3) days. This research is quasi-experimental with a pre-and post-test design with two measurements. Data from laboratory examinations were processed and analyzed using descriptive statistical tests. The results showed that dug well water's pH, temperature, and iron (Fe) level before filtering were 8.71, 31.670C, and 1.87 ml/L. After filtering using active coconut shell charcoal media as a biosorbent, pH values varied from 8, 50 (P1), 8.32 (P2) and 7.69 (P3). The temperature values remain unchanged at 31 degrees with 31.560C (P1), 31.670C (P2) and 31.440C (P3). Levels of iron (Fe) showed a significant decrease from 1.82 mg/L (5%) in P1, 1.20 mg/l (67%) in P2 and 1.11 (76%) in P3. In conclusion, the iron (Fe) content decrease in dug well water has the highest value on the 21st day, with a 76% reduction.  Keywords: active charcoal, Biosorbent, Fe Level, dug well water, Tallo District, Makassar.  
LAJU FUNGSI LINDUNG DAS SECARA TEMPORAL BERDASARKAN DATA PENGINDERAAN JAUH DI KABUPATEN SINJAI Muhlis, Muhlis; Khalid, Garwan; Fatmawati, Fatmawati; Armus, Rakhmad; Sappewali, Sappewali; Tanri, C. Selry
KOLONI Vol. 1 No. 4 (2022): DESEMBER 2022
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/koloni.v1i4.429

Abstract

Land cover change is a transition process, such as agricultural land does not immediately turn into built-up land but into grass/soil or shrubs land cover change the transition process of land cover change. This study aims to (1) Determine the rate of change in the temporal function of the hedge. (2) Determine the value of the protection coefficient based on the results of satellite imagery analysis. The method used in this study is spatial descriptive, with land units as units of analysis or mapping units. In spatial description, the results of the study will be described and displayed in the form of a map. In this study, it will be described spatially and temporally the land cover and its effect on the index of protected function of the research area (Sinjai Regency Watershed). The analysis used is spatial analysis whose processing uses a Geographic Information System, with outputs including Land Use Maps and Land Cover Maps. In the period 2014 - 2022, there was a dynamic change in land cover in the Sinjai Regency watershed. The largest land cover that has changed is miscellaneous use which changed 49.87%, then mixed land which changed 24.66% and water body 12.20%. The index of the protected function of the Sinjai Regency Watershed in 2014 was 0.57 and in 2022 it was 0.50. During the period 2014-2022 there was an increase in the hedging function index by 0.02. Keywords: Temporal, Protected coefficient, Spatial
Co-Authors Adim, Adim Armus, Rakhmad Dwifitrah, A Fatmawati, Fatmawati Harry RJ, A Khalid, Garwan MARIA BINTANG Muhlis Muhlis Musdania Sappewali, Sappewali Sitti Aminah Sukmawati Sukmawati Wahyuni, Besse Sri