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All Journal Rekayasa Mesin Jurnal Teknologi Mineral dan Batubara Syntax Literate: Jurnal Ilmiah Indonesia Abdimas Universal International Journal of Community Service INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY Jurnal AKAL: Abdimas dan Kearifan Lokal Indonesian Mining and Energy Journal JURNAL ABDI MASYARAKAT INDONESIA (JAMIN) Journal of Earth Energy Science, Engineering, and Technology International Journal of Innovation in Mechanical Engineering and Advanced Materials Jurnal Teknologi Mineral dan Batubara
Kurniawati, Riskaviana
Universitas Trisakti
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PENINGKATAN KAPASITAS PENGELOLAAN LINGKUNGAN TAMBANG EMAS MELALUI MONITORING AIR DAN TANAH Yulianti, Ririn; Jamal Tuheteru, Edy; Palit, Christin; Kurniawati, Riskaviana; Nuryana, Suherman Dwi; Dewandaru, Sawung Panggali; Siahaan, Muhammad Dian Syahputra
Jurnal Abdi Masyarakat Indonesia (JAMIN) Vol 7 No 2 (2025): JURNAL ABDI MASYARAKAT INDONESIA (JAMIN)
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jamin.v7i2.24407

Abstract

Kegiatan pengabdian kepada masyarakat ini dilaksanakan di wilayah IUP Operasi Produksi Arinem, Papandayan, Jawa Barat, yang memiliki potensi mineralisasi emas epitermal namun juga menghadapi tantangan pencemaran lingkungan akibat aktivitas penambangan. Tujuan utama kegiatan adalah meningkatkan kapasitas teknis pengelolaan lingkungan tambang melalui monitoring kualitas air dan tanah serta penyusunan rekomendasi reklamasi berbasis data. Metode yang digunakan meliputi pengambilan sampel air dan tanah di dua titik lokasi, analisis laboratorium terhadap parameter fisik dan kimia, serta interpretasi hasil berdasarkan baku mutu yang diatur di Indonesia. Hasil menunjukkan bahwa kualitas air di kedua lokasi memiliki pH sangat asam dan kandungan logam berat seperti tembaga dan seng yang melebihi ambang batas, sementara tanah menunjukkan pH rendah, kandungan fosfor sangat rendah, dan potensi toksisitas mangan. Berdasarkan temuan tersebut, strategi teknis yang direkomendasikan dari berbagai kajian yang telah dilakukan meliputi netralisasi pH dengan kapur, pembuatan kolam sedimentasi, fitoremediasi dengan tanaman lokal, serta pemupukan organik. Kegiatan ini berhasil memberikan pemahaman praktis kepada teknisi lapangan dan menjadi pertimbangan pengelolaan lingkungan yang dapat diterapkan untuk mendukung reklamasi tambang emas berkelanjutan.
Utilization of Organic Waste Coconut Shells as an Alternative Energy Source in the Laogo Area Ristawati, Arinda; Fattahanisa, Aqlyna; Wijayanti, Puri; Kurniawati, Riskaviana; Ananta Ihza Hiswara, M Mirza
International Journal Of Community Service Vol. 6 No. 1 (2026): February 2026 (Indonesia - Timor Leste)
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijcs.v6i1.870

Abstract

Indonesia has abundant biomass resources, one of which comes from coconut shell waste that has not been optimally utilized. Coconut shell waste has the potential to be processed into briquettes, an environmentally friendly alternative energy source with economic value. This Community Service (PKM) activity aims to improve the knowledge and skills of communities in the Laogo region in utilizing coconut shell waste into briquettes and increase their understanding of renewable energy-based business management. The activity implementation methods included outreach, briquette-making demonstrations, an initial questionnaire to determine the community's level of knowledge, and Focus Group Discussions (FGDs) to identify obstacles and find solutions appropriate to local conditions. The results of the activity showed an increase in community understanding of the briquette-making process and its use as an alternative fuel. In addition, the community also gained knowledge about managing small businesses based on waste processing. The community response to this activity was very positive, with most participants expressing interest in producing briquettes independently. Obstacles faced included limited equipment, business capital, and technical knowledge. Therefore, ongoing support from various parties is needed to improve the sustainability of businesses based on the utilization of coconut shell waste and to support the development of renewable energy at the community level.
OPTIMASI UKURAN PARTIKEL DAN KEMIRINGAN MEJA PADA PROSES KONSENTRASI BESI MENGGUNAKAN SHAKING TABLE Saputra, Lalu Qobil Rahman; Subandrio; Palit, Christin; Kurniawati, Riskaviana; Dahani, Wiwik
Indonesian Mining and Energy Journal Vol. 8 No. 2 (2025): November
Publisher : Program Studi Teknik Pertambangan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/imej.v8i2.20793

Abstract

Penelitian ini bertujuan untuk mengkaji pengaruh variasi ukuran partikel dan sudut kemiringan meja goyang terhadap peningkatan kadar dan recovery besi (Fe) dari pasir besi menggunakan metode meja goyang. Sampel dipisahkan menjadi tiga ukuran partikel (+100 mesh, +140 mesh, dan -140 mesh) dan diuji pada tiga sudut kemiringan meja (2,8°, 3°, dan 3,3°). Hasil menunjukkan bahwa kombinasi ukuran -140 mesh dan kemiringan 2,8° menghasilkan recovery tertinggi sebesar 177,11%. Analisis menggunakan metode Taguchi dengan pendekatan Larger is Better menunjukkan bahwa ukuran partikel merupakan faktor paling dominan dalam menentukan efisiensi pemisahan. Temuan ini menegaskan pentingnya optimasi parameter operasi shaking table dalam meningkatkan perolehan konsentrat Fe dari pasir besi.
Co-Authors Afiat Anugrahadi Afiat Anugrahadi, Afiat Ananta Ihza Hiswara, M Mirza Andry Prima Aqlyna Fattahanisa Arinda Ristawati Aryandi, Firman Aryanto, Reza Azizi, Masagus Ahmad Chairul Nas Damarizky, Rico Darren, Franko Sajow Devin Indra Novega Dewandaru, Sawung Panggali Dina Asmaul Chusniyah Dolfina Kilmas, Theresia Emmy Fatmi Budhya Fachry Abda El Rahman Fadliah Fadliah Fadliah Fadliah, Fadliah Fadliah, Fadliah Faisal Rachman Faldo Matulessy Feni Maulindani, Sri Firman Aryandi Fitra Yuda, Himmes Hadi Purnomo Hari Karyadi Oetomo, R. Harin Widiyatni Hartono, Kartika Fajarwati Havidh Pramadika Himmes Fitra Yuda iputu rama aryawan Irfan Marwanza Kalasnikova Suparmanto , Albert kartika fajarwati hartono Kurniawan Saputra, Ade Lailatul Wastiyah Lie, Nobel Alief Maulani, Mustamina Maulindani, Sri Feni Muhammad Napis Fikri Mustamina Maulani Nas, Chairul Nugraeni, Crhistine Dyta Nugraheni, Rosmalia Nur Hayati Palit, Christin Patian, Syamidi Pauhesti, Pauhesti Puri Wijayanti, Puri Puspitosari, Meldinar Riska Raihan Azica , Muhammad Reno Pratiwi Reno Pratiwi Ridaliani Prapansya, Onnie Ristawati, Arinda Rosmalia Nugraheni Said, Ardhia Regita Cahyani Samura, Lisa Saputra, Ade Kurniawan Saputra, Lalu Qobil Rahman Septiano, Michael Shima Parameswari Adji Siahaan, Muhammad Dian Syahputra Subandrio Subandrio Subandrio, Subandrio Suherman Dwi Nuriana Suherman Dwi Nuryana Suliestyah Suliestyah, Suliestyah Sumotarto, Untung Sundari, Rita Sunny Yulia, Prayang Syamidi Patian Syamidi Patian Syarif, Iif Ahmad Taat Tri Purwiyono Tuheteru, Edy Jamal Untung Sumotarto Wastiyah, Lailatul Wayan Nanik Juliantari, Ni Wiwik Dahani Wiwik Dahani Wiwik Dahani Wiwik Dahani Wiwik Dahani wiwik dahani, wiwik Yulia, Prayang Sunny Yulianti, Ririn ‘Adany, Fildzah