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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
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Bioremediasi Tanah Tercemar Timbal pada Tempat Pemrosesan Akhir Sampah Jalupang Kabupaten Karawang menggunakan Teknologi Vermicomposting Ardiansyah, Alvi Husni; Sari, Gina Lova; Ratnawati, Kania
Jurnal Teknologi Lingkungan Lahan Basah Vol 13, No 2 (2025): July 2025
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtllb.v13i2.94608

Abstract

The Final Waste Processing Site (TPA) Jalupang is a landfill located in Karawang Regency that has been operating since 2003, with a total area of 6.9 hectares and an effective area of 4.7 hectares. For 22 years, TPA Jalupang has operated using the open dumping method, which poses a risk of heavy metal contamination, including lead (Pb). One method for removing heavy metals from soil is through vermicomposting technology. Therefore, this study aims to evaluate the effectiveness of vermicomposting in reducing lead (Pb) concentrations in contaminated soil. This research was conducted experimentally on a laboratory scale over 56 days using reactors with a capacity of 55 liters. The experimental variations involved different ratios of contaminated soil and vermicompost feedstock: 0:2 and 2:0 (as controls), as well as 1:2 and 2:1 (w/w), with the addition of 75 earthworms under aerobic conditions. Throughout the experiment, pH, temperature, and moisture content were monitored, along with periodic measurements of the C/N ratio and lead concentration every 14 days. During the vermicomposting process, environmental conditions with temperatures ranging from 29.0"“37.0 °C, pH levels from 4.5"“7.0, and moisture levels between 30%"“80% were found to be within the optimal range for sustaining the process. The most optimal results were obtained in the 1:1 (w/w) reactor variation, which showed a reduction in lead concentration by 50,7%.
Analisis Kemampuan Cacing Tanah (Lumbricus rubellus) Sebagai Agen Akumulator Logam Berat Timbal Selama Proses Vermikomposting Tanah Tercemar Renaldi, Riki; Sari, Gina Lova; Ratnawati, Kania
Jurnal Teknologi Lingkungan Lahan Basah Vol 13, No 2 (2025): July 2025
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtllb.v13i2.94587

Abstract

Contaminated soil with heavy metal lead (Pb) can be remediated using environmentally friendly biological technologies, one of which involves the use of earthworms (Lumbricus rubellus). This study aimed to evaluate the ability of Lumbricus rubellus as a bioaccumulator of lead during the vermicomposting process of contaminated soil. The vermicomposting experiment was conducted under aerobic conditions for 56 days with observations made every 14 days (on days 0, 14, 28, 42, and 56) at a laboratory scale. The study consisted of two experimental variations: Reactor A, which contained a 1:1 ratio between contaminated soil and organic vermicomposting materials (cow manure and cabbage waste), and Reactor B, with a 1:2 ratio. Each reactor was inoculated with 75 adult Lumbricus rubellus earthworms weighing approximately 0.70"“0.75 grams. The primary parameter observed was the concentration of lead in the earthworm tissues, measured using Atomic Absorption Spectrophotometry (AAS). The results showed the highest lead accumulation in Reactor A, increasing from 30.31 mg/kg on day 0 to 92.51 mg/kg on day 56, representing a 204.6% increase. These findings demonstrate that Lumbricus rubellus has significant potential as a bioaccumulator agent for reducing lead contamination through the bioaccumulation mechanism during vermicomposting. This supports the application of environmentally friendly biological technology for the rehabilitation of lead-contaminated land.
Analisis Potensi Reduksi Sampah Di Universitas Singaperbangsa Karawang Ikhsan, Ahmad Firdaus; Sari, Gina Lova; Nurul Mentari, Okti Dinasakti
Jurnal Teknologi Lingkungan Lahan Basah Vol 13, No 2 (2025): July 2025
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtllb.v13i2.94685

Abstract

The national waste generation in 2024 reached 19.57 million tons per year, yet only around 46.1% is optimally managed. Waste originates from households, commercial sectors, industries, and institutions. Universitas Singaperbangsa Karawang (UNSIKA) also generates waste daily; however, the university lacks a proper waste management system, resulting in waste accumulation on campus. This study aims to determine the waste generation and composition at UNSIKA as well as the reduction potential of food waste and recyclable waste. Recyclable waste was collected and delivered to local waste collectors around UNSIKA, while food waste was reduced using Black Soldier Fly (BSF) larvae through a 12-day bioconversion process. UNSIKA's waste generation reached 30.15 kg/day or 68.14 L/day. The largest composition was food waste at 29.81%, while rubber and textile waste were not found (0.00%). The reduction of recyclable waste through a 15-day collection period showed a 100.00% reduction rate. The reduction index of food waste by BSF larvae was 6.66%/day. With the use of 12 bioponds, the reduction rate increased to 79.92%/day. An economic feasibility analysis of UNSIKA"™s waste reduction activities indicated that the initiative is economically viable.
Experiment and Literature: Enzyme Content of Fruit Waste-Based Eco Enzyme and Its Potential in Pollutant Reduction Nurseha, Nida; Sari, Gina Lova; Ratnawati, Kania
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-Desember
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.v25i4.10066

Abstract

Indonesia faces serious challenges in managing domestic waste, especially organic waste, which constitutes the largest component of the total national waste generation. One innovative form of recycling is the fermentation of organic waste into eco enzymes, which are fermented liquids capable of producing various active enzymes such as protease, amylase, and lipase with broad ecological benefits. This study aims to observe the activity of protease, amylase, and lipase enzymes in eco enzyme solutions made from fruit waste, and compare the results with previous studies to analyze the potential application of eco enzymes as efficient, economical, and sustainable natural bioremediation agents. The fermentation process was carried out for 90 days, while enzyme activity was analyzed using spectrophotometry and titration methods. The results showed protease activity of 261 U/mL, amylase of 21.53 U/mL, and lipase of 3.46 U/mL. These values are relatively high compared to several previous studies, indicating that fruit waste is an effective substrate for eco enzyme production. Thus, it can be concluded that eco enzyme has great potential in reducing pollutants such as heavy metals, BOD, COD, TSS, and helping to stabilize pH, thereby playing an important role in the treatment of domestic waste and small-scale industrial waste. The recommendation from this study is the need for further research related to the optimization of substrate composition.
The Effect of Material Composition of Paving Blocks from Plastic Waste on Compressive Strength and Water Absorption Nurkhaerani, Fatma; Debora, Fransisca; Sari, Gina Lova; Nugroho, Eka Oktariyanto; Pradoto, Rani G. K.; Syakira, Hana
Jurnal Kajian Ruang Vol 5, No 2 (2025): September
Publisher : Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/jkr.v5i2.48479

Abstract

Abstract. Waste volume in Karawang City that can be handled will only be 40% and the other 60% will be managed by waste banks and temporary shelter. Innovation in waste recycling is needed, one of which is making plastic waste as raw material for paving block production. This research aims to assess how using plastic waste as a material in making paving blocks affects their compressive strength and water absorption, with the potential to reduce overall plastic waste and explore alternatives to conventional materials. This research focuses on testing water absorption capacity and compressive strength based on SNI 03–0691–1996 standards for making paving blocks. The water absorption test results on PVG 1 and 2 are up to 38.46% larger than PVG 3 and 4 because there are many cavities in PVG 1 and 2 that making were below standard, and PVG 3 and 4 were at quality standard level B. The compressive quality test of PVG 1 and 2 have a more noticeable compressive quality regard with a typical regard of 6,075 MPa compared to clearing squares with a full plastic composition with an ordinary regard of 4,745 MPa. It happens since of insufficient and manual burning, but it can too be caused by an ought to utilize plastic waste and the got to age the clearing squares being attempted. When compared with the quality Indonesian National Standard (SNI 03 - 0691 – 1996), the compressive quality test of the clearing inside the examination did not meet the standard.Keywords: Plastic Waste, Paving Block, Water Absorption Test, Compressive Strength
Analisis Paving Block berdasarkan Sifat Tampak dan Reduksi Limbah Plastik Multilayer, Limbah Keramik Sanitary, dan Limbah Karet Alas Sepatu fatma nurkhaerani; Gina Lova Sari; Fransisca Debora; Eka Oktariyanto Nugroho; Zalfa Dziaul Hassalum; Ayya Sophia Ahmad
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol. 6 No. 2 (2024): JPPL, September 2024
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M), Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v6i2.2391

Abstract

Multilayer plastic waste, sanitary ceramics and rubber have potential as paving block mixtures. Multilayer plastic waste is difficult to decompose and recycle, resulting in minimal management. In addition to multilayer plastic waste, rubber waste is also hard to decompose because it is a non-organic waste resistant to water, soil, and chemical compounds. Ceramic waste can be used as a mix for paving blocks due to its durability and strength, and it helps reduce the volume of waste being disposed of. This research aims to see the suitability of the visible properties of paving blocks from these three wastes with SNI 03-0691-1996 concerning Concrete Bricks (Paving Blocks) and the amount of waste reduction potential. Making paving blocks uses 8 (eight) compositions, namely Ceramic Waste (LKK): Multilayer Plastic Waste (LPM) at 20%:80%, 30%:70%, 40%:60% and 0%:100%. Then Ceramic Waste (LKK): Multilayer Plastic Waste (LPM): and Rubber Waste (LKT) at 20%:60%:20%, 30%:50%:20%, 40%:40%:20%, and 50%:30%:20%. The visible properties of paving blocks that comply with SNI 03-0691-1996 are only found in some samples. Non-compliance with SNI can be caused by several things, including varying composition amounts, mixing materials (homogenization) and paving block printing. Based on the results of making paving blocks with 8 (eight) different compositions, there are 3 (three) compositions whose properties appear to be by SNI 03-0691-1996, namely at a composition of 20% LKK: 80% LPM, 100% LPM, and 20 % LKT: 60% LPM: 20% LKK. The amount of waste reduction from these three wastes ranges from 167.6 kg to 768 kg. Keywords: waste, plastic, ceramic, rubber, paving block.
Analysis of Water Pollution Index in The Tributary of Kusan River, South Kalimantan Nurkhaerani, Fatma; Adzillah, Wilma Nurrul; Sari, Gina Lova; Oktariyanto, Eka Nugroho
Jurnal Teknik Sipil dan Lingkungan Vol. 10 No. 2: October 2025
Publisher : Departemen Teknik Sipil dan Lingkungan IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsil.10.2.249-258

Abstract

Domestic wastewater discharge remains a major factor contributing to the deterioration of river water quality, as untreated effluents are still commonly released directly into river systems. This concern is particularly evident in the downstream segment of the Kusan River tributary, situated in the villages of Sungai Lembu and Beringin. The intensifying expansion of residential settlements in the area has been identified as a key driver of pollution in the Kusan River, with its scale increasing annually. Environmental degradation arises when the pollutant load exceeds the assimilative capacity of the aquatic ecosystem. Under such conditions, the natural recovery process becomes protracted and increasingly ineffective, resulting in persistent contamination. This research is designed to assess the influence of surrounding anthropogenic activities on the water pollution index and the ecological condition of the Kusan River tributary in the aforementioned villages, within Tanah Bumbu Regency, South Kalimantan Province, employing the Water Pollution Index (WPI) methodology. Based on laboratory analyses, Total Suspended Solids (TSS) concentrations in the lower reaches of the tributary exceed 50 mg/L, thus surpassing the threshold set by Government Regulation No. 22 of 2021 concerning Water Quality Management and Pollution Control. Moreover, findings from the pollution index evaluation indicate that water quality in the study area ranges from good to lightly polluted, with index scores varying between 0.33 and 1.73.
Pemanfaatan Machine Learning untuk Memprediksi Kandungan Dissolved Oxygen (DO) pada Air Sungai Menggunakan Metode Decision Tree Regressor (DTR) dan Support Vector Regressor (SVR) Sadidan, Ikhwanussafa; Sari, Gina Lova; Armin, Edmund Uncok; Alifin, Fakhri Ikhwanul; Bunga, Venny Ulya
Brahmana : Jurnal Penerapan Kecerdasan Buatan Vol 5, No 1 (2023): Edisi Desember
Publisher : LPPM STIKOM Tunas Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/brahmana.v5i1.280

Abstract

Water quality is a key factor in maintaining a healthy river ecosystem and supporting the life of aquatic organisms. The measurement of Dissolved Oxygen (DO) content in water is one of the crucial parameters that assess the level of dissolved oxygen, directly influencing the life of aquatic organisms. This study aims to predict the Dissolved Oxygen (DO) content in the Citarum River Irrigation Area by employing Support Vector Regression (SVR) analysis and Decision Tree Regressor. The predictive model was developed by analyzing the relationship between other water quality parameters such as Chemical Oxygen Demand (COD), Biological Oxygen Demand (BOD), and temperature. The analysis results indicate that the accuracy score of the Decision Tree Regressor analysis is superior to that of the Support Vector Regression (SVR) analysis.
Potential Utilization of Defective Fruit Juice Products for Black Soldier Fly Cultivation to Reduce Waste Generation in the Beverage Industry Syah, Fikri Nur Rahman; Sari, Gina Lova
Journal of Community Based Environmental Engineering and Management Vol. 8 No. 2 (2024): September 2024
Publisher : Department of Environmental Engineering - Universitas Pasundan - Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jcbeem.v8i2.18019

Abstract

The waste of fruit juice and tea defective products has organic content that conventionally has the potential to be utilized as a medium or place for maggot growth, but until now it has not been equipped with supporting scientific studies. Therefore, the objectives of the study are: 1) Assessing the characteristics of fruit juice and tea product waste, 2) Assessing the effectiveness of maggot in reducing fruit juice and tea product waste. This research is experimental in nature using variations in the composition of fruit juice and tea product waste as a source of nutrition for maggot which is carried out for 12 days. This variation uses the Complete Randomized Design method with 3 (three) treatments, namely variations in the composition of 60% tea + 40% fruit juice waste (S1), 50% tea + 50% fruit juice waste (S2), and 40% tea + 60% fruit juice waste (S3) in duplo. In addition, this study was completed with a control treatment. The results showed that the characteristics of fruit juice and tea waste containing protein (3.78-4.59%), fat (0.90-1.31%), carbohydrates (28.15-29.15%), crude fiber (2.42-3.12%) can be used as maggot cultivation media. The highest protein and crude fiber contents were found in the S3 composition waste at 4.59% and 3.12%. Maggot cultivation results that showed the highest fat and carbohydrate content were found in S1 composition waste at 1.31% and 29.15%. The recommended composition variation is S1 composition with the highest substrate consumption value and waste reduction index of 57.47% and 20.06%.
Identifikasi Kelimpahan Dan Karakteristik Fisik Mikroplastik Pada Air Irigasi Sawah Sekitar TPA Putri, Winda Yunita; Sari, Gina Lova; Amanah, Nadia
Jurnal Teknologi Lingkungan Lahan Basah Vol 13, No 2 (2025): July 2025
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtllb.v13i2.94470

Abstract

Microplastics have now become one of the most prominent environmental pollutants, particularly due to their impact on aquatic ecosystems and irrigated rice fields. This study aims to identify the abundance and physical characteristics of microplastics in irrigation water from rice fields surrounding the Final Waste Disposal Jalupang, Karawang. Water samples were collected from seven irrigation points using a purposive sampling method and analyzed under a binocular microscope. The results showed the highest microplastic concentration occurred at the primary irrigation inlet, reaching 536.50 particles/L. The predominant shape was fragments, with the majority of particles measuring less than 1.00 mm in size. In terms of color, black and transparent microplastics were the most prevalent, indicating advanced degradation due to prolonged exposure to open environmental conditions. The distribution pattern of microplastics was strongly influenced by the existing condition of the irrigation channels, agricultural activities, and the hydraulic residence time within the paddies. The findings of this study are consistent with previous research indicating that the primary source of microplastics in agricultural land originates from the breakdown of household and agricultural plastic waste, undergoing photodegradation and physical weathering. This study highlights the urgent need for improved plastic waste management and the implementation of sustainable irrigation systems to mitigate microplastic accumulation in agricultural soils.
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