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All Journal Jurnal Jejaring Matematika dan Sains Community Empowerment Bohr: Jurnal Cendekia Kimia
Suma, Joy Angel Aria
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Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Mathematics Physics Public Health Social Sciences

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Study of the Effect of Domestic Wastewater from Jalan Lele Residents of Palangka Raya City on the Acidity and Alkalinity Levels of the Receiving Water Body: Studi Pengaruh Air Limbah Domestik Penduduk Jalan Lele Kota Palangka Raya terhadap Kadar Asiditas dan Alkalinitas Badan Air Penerima Manurung, Tety; Natalia, Nasa; Suma, Joy Angel Aria; Purba, Abed Nego; Naiya, Naiya; Hulu, Dominique F.S.; Rosmainar, Lilis; Hermayantiningsih, Dwi
Jurnal Jejaring Matematika dan Sains Vol. 5 No. 1 (2023): Jurnal Jejaring Matematika dan Sains
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jjms.2023.v5.i1.805

Abstract

This research aims to determine the impact of domestik waste water disposal produced by residents living on Jalan Lele, Palangka Raya City, on the value of acidity and alkalinity levels in the receiving water body. The acidity level obtained was 24.098 mg/L and the alkalinity level was 254.410 mg/L. The acidity levels not comply to the Government Regulation Number 20 of 1990 levels and Government Regulation Number 82 of 2001 for standart water quality type B. Similarly for alkalinity levels doesn’t comply to World Heal Organization Regulation 2011 for irrigation water. Based on the results ​​of high levels of acidity and alkalinity in receiving water bodies, it encourages further research to be carried out for monitoring and handling domestik waste in residential areas in the city of Palangka Raya.
Education on the integration of probiotic fish pellet production with aquaponic technology as a solution for food self-sufficiency Praja, Rian Ka; Dwijayanti, Rts. Sherly; Saputra, Rizki Rachmad; Decenly, Decenly; Suma, Joy Angel Aria; Harianja, Henrigen
Community Empowerment Vol 10 No 2 (2025)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ce.12345

Abstract

This community service program was carried out in Talian Kereng Village, Katingan Regency, Central Kalimantan, with the aim of enhancing food self-sufficiency through training on probiotic-based fish pellet production and the implementation of aquaponic technology. The program involved 15 participants and included theoretical training sessions, practical fish feed production, and aquaponic system installation. Evaluation results indicated a significant increase in knowledge, with the average score rising from 40% to 85%. A total of 90% of participants successfully practiced fish pellet production with the correct composition, while 80% were able to independently operate the aquaponic system. The program also featured the handover of fish pellet production technology and the aquaponic system to the local fish farming group. Despite challenges related to the availability of probiotic ingredients and aquaponic system management, this initiative has opened opportunities for further development in rural fisheries and agriculture.
Ethnochemistry and Cultural Harmony: Exploring Traditional Tools Mandau and Garantung in the Ritual of Mampakanan Sahur and Mamapas Lewu Krissilvio, Eka Jhonatan; Sametri, Ni Wayan Septia; Pertiwi, Nia Hana; Hulu, Dominique Futty Stephanie; Oktavia, Tantri; Prianus, Okta; Suma, Joy Angel Aria; Natalia, Nasa; Tesalonika, Lidya; Andhita, Naswa Ayu
Bohr: Jurnal Cendekia Kimia Vol 3 No 02 (2025): Bohr: Jurnal Cendekia Kimia Vol 03 No 02
Publisher : Program Studi Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Palangka Raya

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Abstract

Praktik Mampakanan Sahur suku Dayak di Kalimantan Tengah mencerminkan harmoni budaya dengan penggunaan alat tradisional Mandau dan Garantung. Penggunaan logam dalam pembuatan Mandau dan Garantung terkait dengan aspek kimia, seperti proses pembuatan besi dan karakteristik resonansi bunyi kuningan. Penelitian etnokimia ini bertujuan untuk menggali pengetahuan dan kearifan lokal, serta mempromosikan pelestarian budaya dan potensi sumber daya alam. Metodologi penelitian dilakukan dengan pendekatan etnografi, melibatkan observasi partisipatif, wawancara, dan pengumpulan data kualitatif. Analisis data kualitatif digunakan untuk mengidentifikasi produk budaya dan nilai-nilai kearifan lokal yang terkait dengan penggunaan logam dalam Mandau dan Garantung. Hasil penelitian ini memberikan wawasan yang berharga tentang hubungan antara budaya, logam, dan kearifan lokal pada suku Dayak di Kalimantan Tengah
Co-Authors Andhita, Naswa Ayu Andra Ari P., Eko Marwanto Heru Mulyantoro Dwi Hermayantiningsih Decenly, Decenly Dwijayanti, Rts. Sherly Harianja, Henrigen Hulu, Dominique F.S. Hulu, Dominique Futty Stephanie Krissilvio, Eka Jhonatan Lilis Rosmainar Manurung, Tety Naiya, Naiya Natalia, Nasa Oktavia, Tantri Pertiwi, Nia Hana Prianus, Okta Purba, Abed Nego Rian Ka Praja Rizki Rachmad Saputra Sametri, Ni Wayan Septia Tesalonika, Lidya