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All Journal JTEV (Jurnal Teknik Elektro dan Vokasional Jurnal Reka Lingkungan Jurnal Teknologi Jurnal Ilmiah Universitas Batanghari Jambi Electro Luceat Jukung (Jurnal Teknik Lingkungan) Jurnal Biologi Tropis SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Martabe : Jurnal Pengabdian Kepada Masyarakat Media Ilmiah Teknik Lingkungan Abditani : Jurnal Pengabdian Masyarakat Al-Ard: Jurnal Teknik Lingkungan Journal of Community Based Environmental Engineering and Management INFOMATEK: Jurnal Informatika, Manajemen dan Teknologi Jurnal Abdimas Mandiri Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Brahmana : Jurnal Penerapan Kecerdasan Buatan Jurnal Kajian Ruang Jurnal Teknologi Lingkungan Lahan Basah Envirotek : Jurnal Ilmiah Teknik Lingkungan JURNAL SANITASI LINGKUNGAN Power Elektronik : Jurnal Orang Elektro J-Sil (Jurnal Teknik Sipil dan Lingkungan)
Gina Lova Sari
Universitas Singaperbangsa Karawang
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Transportation Other

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Potential Reduction of Food Waste and Hospital Wastewater Sludge Using Bioconversion by BSF Larvae Aina, Rafida; Sari, Gina Lova; Ratnawati, Kania
Jurnal Biologi Tropis Vol. 26 No. 1 (2026): Januari-Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i1.10723

Abstract

Food waste and sludge from the Wastewater Treatment Plant (WWTP) of hospitals are organic wastes with high utilization potential through bioconversion using Black Soldier Fly (BSF) larvae. This study aims to examine the characteristics of food waste and WWTP sludge from Karawang Regional General Hospital and to evaluate their reduction potential through BSF larval activity. The experiment was conducted using three feed variations SML1 (70%:30%), SML2 (50%:50%), and SML3 (30%:70%) along with two control treatments. The analyzed parameters included nutritional content (protein, fat, carbohydrates, ash content, moisture content, and crude fiber), C/N ratio, as well as waste reduction efficiency through substrate consumption (SC) and the Waste Reduction Index (WRI). The results showed that food waste contains high levels of protein and carbohydrates, whereas WWTP sludge contains high organic carbon (C-organic). The best feed variation was SML2, producing 27.11% protein, 4.78% fat, and 7.74% crude fiber, indicating its potential as livestock feed. The best frass quality was obtained from SML3 with a C/N ratio of 30.24%, approaching the standard for organic fertilizers. The highest substrate consumption was recorded in SML1 at 58.86%, and the highest WRI reached 5.21%/day. These findings demonstrate that BSF larvae are effective in reducing hospital organic waste while simultaneously producing valuable end products.
PENINGKATAN PEMANFAATAN SAMPAH ORGANIK SEBAGAI PAKAN MAGGOT MELALUI PENGGUNAAN MESIN PENCACAH SAMPAH ORGANIK DI BANK SAMPAH DESA BENGLE KABUPATEN KARAWANG Gina Lova Sari; Aulia Fashanah Hadining; Rommy Andhika Laksono; Andini Siti Rohmana; Bayu Aji Wicaksono
Martabe : Jurnal Pengabdian Kepada Masyarakat Vol 6, No 1 (2023): Martabe : Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jpm.v6i1.227-232

Abstract

Sampah organik merupakan salah satu sampah dengan komposisi timbulan tertinggi di Desa Bengle, Karawang yang belum dikelola dengan baik. Dalam rangka mendukung kebijakan pengurangan sampah di Karawang, masyarakat peduli lingkungan di Bank Sampah Desa Bengle memanfaatkan sampah organik sebagai pakan maggot. Maggot dapat dimanfaatkan sebagai pakan ikan dan unggas sehingga memiliki nilai ekonomis. Namun dalam prosesnya ditemukan kendala, antara lain kurangnya teknologi perajang mekanik yang mendukung masyarakat dalam menyediakan pakan maggot. Tujuan dari program pengabdian masyarakat ini adalah untuk mengimplementasikan mesin perajang sampah organik melalui sosialisasi teknologi disertai dengan pelatihan pemanfaatannya bagi masyarakat. Melalui program ini, masyarakat Bank Sampah Desa Bengle telah memperoleh sampah organik berukuran 1,00-2,00 cm untuk pakan maggot dengan mengoperasikan mesin pencacah sampah organik berkapasitas 100kg/jam dengan baik. 
Analysis of the Potential for Organic and Inorganic Waste Reduction at PT Asmin Bara Bronang: Analisis Potensi Reduksi Sampah Organik dan Anorganik di PT Asmin Bara Bronang Ashfa Nadia Syahidah; Gina Lova Sari; Kania Ratnawati
Media Ilmiah Teknik Lingkungan (MITL) Vol. 10 No. 2 (2025): Media Ilmiah Teknik Lingkungan (MITL)
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mitl.v10i2.10183

Abstract

Waste management in the industrial sector presents a serious challenge that requires effective and sustainable strategies. This study aims to analyze the waste generation, composition, as well as the potential and effectiveness of waste reduction activities at PT Asmin Bara Bronang. Data were collected based on the Indonesian National Standard (SNI) 19-3964-1994 as a reference for measuring waste generation and composition. The measurements showed an average waste generation of 263.67 kg/day, with the dominant components being food waste (44.02%), paper (14.55%), and plastic (12.04%). Waste reduction efforts carried out include the cultivation of Black Soldier Fly (BSF) larvae and the processing of plastic into paving blocks and plastic sheets. However, the current effectiveness is still low, reaching only 6.75%. Through optimization analysis, food waste reduction has the potential to increase to 35.80%, and plastic waste reduction to 17.07%. Therefore, the total potential waste reduction after optimization could increase to 52.87% of the total daily waste generation.
Study on Biogas Production from Organic Waste of Food Leftovers and Garden Waste Using Green Phoskko 7 in a Fixed Dome Biodigester at PT Asmin Bara Bronang: Studi Pembentukan Biogas dari Sampah Organik Sisa Makanan dan Sisa Taman Menggunakan Green Phoskko 7 Pada Biodigester Fixed Dome di PT Asmin Bara Bronang Az'zahra Nuzula Husaeni; Gina Lova Sari; Kania Ratnawati; Mohammad Akbar Ogy Darmawan
Media Ilmiah Teknik Lingkungan (MITL) Vol. 10 No. 2 (2025): Media Ilmiah Teknik Lingkungan (MITL)
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mitl.v10i2.10210

Abstract

This study aims to evaluate biogas production from a mixture of food waste and garden waste using a fixed dome biodigester with GP-7 activator. Observed parameters include initial pH, temperature, and carbon-to-nitrogen (C/N) ratio. The fermentation was carried out for 30 days under anaerobic conditions. Results showed an initial pH of 7.00, temperature of 37.70 °C, and a C/N ratio of 24.41, which are within the optimal range. However, storage for ±15 days increased the C/N ratio to 33.31 due to nitrogen loss. Biogas volume increased sharply, peaking at 4.85 m³ on day 20, then declined to 0 m³ by the end of the fermentation period. This pattern reflects the microbial growth phases and the efficiency of organic matter conversion into gas. The study confirms that initial substrate characteristics and retention time play crucial roles in optimizing biogas production from organic waste in industrial environments.
Analysis of Arsenic and Chromium Content and Pollution Index in Rice Fields in Tempuran Subdistrict, Karawang Regency Mila, Zhafira Izzatul; Sari, Gina Lova; Adzillah, Ing. Willma Nurrul
Jurnal Biologi Tropis Vol. 26 No. 2 (2026): April - Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i2.11420

Abstract

Heavy metals are one of the most dangerous pollutants because they are non-degradable. This study aims to analyze the content of arsenic (As) and chromium (Cr) and evaluate the level of pollution in rice field soil in Tempuran Subdistrict, Karawang Regency. Soil samples were taken in 14 villages, with 10 points taken in each village using purposive sampling. Laboratory analysis was conducted to determine the As and Cr content in the rice field soil, and then calculate the heavy metal pollution index value. The results of this study show that the concentration of As, a heavy metal, is still below the quality standard, while Cr varies in each village. Based on the calculation of the pollution index using the Contamination Factor (Cf), Pollution Load Index (PLI), Ecological Risk Index (Re), Ecological Risk Potential Index (RI), and Geoaccumulation Index (Igeo), it was found that the rice fields in Tempuran Subdistrict were categorized as unpolluted to polluted in several villages. The results of mapping with ArcGIS to determine the distribution of heavy metals show that the Ar levels in all research locations are relatively uniform and are displayed in green, indicating that the values are below the quality standards. In contrast, chromium is displayed in shades of light brown to dark brown, reflecting variations in levels in each village, where some areas are below the quality standards, and others exceed the specified thresholds.
Analysis of the Pollution Index of Cadmium and Lead in Paddy Fields in Tempuran Subdistrict, Karawang Regency Nugroho, Alfan Adhi; Sari, Gina Lova; Adzillah, Wilma Nurrul
Jurnal Biologi Tropis Vol. 26 No. 2 (2026): April - Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i2.11426

Abstract

Heavy metal contamination in agricultural soils has become an increasing environmental concern due to its potential impact on food safety and ecosystem sustainability. This study aims to analyze the concentration and contamination levels of heavy metals Cadmium (Cd) and Lead (Pb) in paddy fields located in Tempuran District, Karawang Regency. This region is one of the national rice production centers and is vulnerable to heavy metal accumulation due to intensive use of fertilizers and pesticides. The research was conducted in 14 villages, with disturbed soil samples collected for heavy metal and texture analysis, and undisturbed soil samples collected for porosity and permeability analysis. The main parameters analyzed were Cd and Pb concentrations using the ICP-OES method based on SNI 8910:2021. In addition, the pipette method was used for soil texture analysis; bulk and particle densities were used for porosity calculation; and the percolation method was used to measure permeability. Secondary data included the frequency of fertilizer and pesticide application, land use, age, and harvest periods. Results showed that Cd and Pb concentrations at all sampling locations remained below the threshold limits set by quality standards. Pollution assessment using the Contamination Factor (CF), Pollution Load Index (PLI), Geo-accumulation Index (Igeo), and Ecological Risk Index (Er) indicated that paddy fields in Tempuran District are categorized as uncontaminated to very low risk.
Co-Authors Adzillah, Ing. Willma Nurrul Adzillah, Wilma Nurrul Agustifa Zea Tazliqoh Agustini, Rika Yayu Aina, Rafida Amanah, Nadia Andini Siti Rohmana Andini Siti Rohmana Andy Mizwar Apriliani, Sherly Dwi Ardiansyah, Alvi Husni Armin, Edmund Uncok Ashfa Nadia Syahidah Aulia Fashanah Hadining Aulia Fashanah Hadining Aulia Fashanah Hadining Aulia Hadining Ayya Sophia Ahmad Az'zahra Nuzula Husaeni Bayu Aji Wicaksono Bayu Aji Wicaksono Deni Firmansyah Devita Fitria Alam Sari Dewi, Gina Nur Sari Eka Oktariyanto Nugroho Erdianto Ramadhan Fakhri Ikhwanul Alifin Fatma Nurkhaerani Fatma Nurkhaerani Fransisca Debora Fransisca Debora Gaby Aditya Nugraha Hadining, Aulia Hadining, Aulia Fashanah harisandi, Prasetyo Hirlan Firmansyah Ibrahim - Ibrahim Ibrahim Ikhsan, Ahmad Firdaus Ikhwanussafa Sadidan, Ikhwanussafa Kania Ratnawati Kusnadi Kusnadi, Kusnadi Laksono, Rommy Andhika Mila, Zhafira Izzatul Mohammad Akbar Ogy Darmawan Nainggolan, Adinda Melianda Novembrianto, Rizka Nugroho, Alfan Adhi Nurkhaerani, Fatma Nurseha, Nida Nurul Mentari, Okti Dinasakti Oktariyanto, Eka Nugroho Pasya, Hafidz Rudy Pradoto, Rani G. K. Putri Sekti Cahyaningrum Putri Sekti Cahyaningrum Putri, Billie Juan Putri, Rahayu Nabila Putri, Winda Yunita Ratnawati, Kania Renaldi, Riki Reni Rahmadewi Rohmana, Andini Siti Rommy Andhika Laksono Rommy Andhika Laksono Rommy Laksono Safitri, Annisa Nur Saidah Saidah Sari, Devita Fitria Sari, Devita Fitria Alam Septiany, Deby Sudarjat, Hadi Sukarno Putri, Dewi Ika Syah, Fikri Nur Rahman Syakira, Hana Venny Ulya Bunga Wicaksono, Bayu Aji Yuliarman Saragih Yulinah Trihadiningrum Zalfa Dziaul Hassalum