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All Journal SCIENCE TECH: Jurnal Ilmiah Ilmu Pengetahuan dan Teknologi Journal of Sustainable Tourism and Entrepreneurship Jurnal Teknologi Lingkungan Lahan Basah
Amanah, Nadia
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Agriculture, Biological Sciences & Forestry Humanities Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Energy Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology Public Health Social Sciences

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Identifikasi Kelimpahan dan Karakteristik Fisik Mikroplastik pada Pengolahan Air Lindi Tempat Pengelolaan Sampah Terpadu Bantargebang Putri, Rahayu Nabila; 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.v13i2.94210

Abstract

The growth of plastic consumption in Indonesia can reduce the increase in microplastic pollution in various environments, including in leachate in the Final Processing Site (TPA). Bantargebang TPST is a large-scale waste management site that has high potential for microplastic contamination. Microplastics are plastic particles measuring
Efektivitas Gabungan Biji Asam Jawa dan Biji Alpukat sebagai Biokoagulan dalam Menurunkan Parameter Limbah Cair Tahu Assha, Siva Hiyaul; Adzillah, Wilma Nurrul; 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.v13i2.94323

Abstract

Tofu wastewater contains high levels of organic pollutants, which has the potential to pollute the environment, which has an impact on decreasing water quality, triggering unpleasant odors, and potentially causing health problems. Coagulation-flocculation is a common method to reduce pollution because it is effective in reducing COD and TSS. However, synthetic coagulants have a negative impact on the environment, produce excess sludge, and require high costs. Tamarind seeds and avocado seeds contain protein and tannins that act as natural polyelectrolytes to reduce organic matter and suspended solids. This study aims to identify the COD, TSS, and pH content of tofu wastewater and analyze the effectiveness of the combination of the two seeds as biocoagulants using the jar test method with dose variations. There are 8 variations in biocoagulant doses, each as much as 4 g/L with different dose ratios, namely control, 100:0, 0:100, 70:30, 60:40, 50:50, 40:60, and 30:70. The results showed that the combination of the two biocoagulants was able to significantly reduce COD and TSS concentrations with the highest reduction effectiveness of 69% and 88%, respectively. The best dose for reducing COD was dose C, while for TSS was dose E. Thus, tamarind seeds and avocado seeds have the potential as an alternative environmentally friendly coagulant in industrial wastewater treatment.
Studi Literatur: Efektivitas Penyisihan Kelimpahan Mikroplastik Menggunakan Teknologi Filter Pasir dan Membran Reverse Osmosis pada Pengolahan Air Minum Apriliani, Sherly Dwi; 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.v13i2.94199

Abstract

Abstract Microplastics are small plastic particles divided into two categories, namely LMP (1"“5 mm) and SMP (
Empowering society and culinary MSMEs for sustainable development goals initiatives in West Java Amanah, Nadia; Sena, Boni; Suhendra, Bobie; Yatim, Ardiansyah; Zaki, Sheikh Ahmad
Journal of Sustainable Tourism and Entrepreneurship Vol. 5 No. 3 (2024): May
Publisher : Goodwood Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35912/joste.v5i3.1756

Abstract

Purpose: This study aimed to explore the impact of empowering society and culinary MSMEs on Sustainable Development Goals (SDGs) in West Java, focusing on Sindangmukti Village, Karawang Regency. While prior research has often used a top-down approach, neglecting direct societal impact, this study takes a bottom-up perspective, aligning with implicit SDG principles observed in community services. Research Methodology:  The study employed online questionnaires with 505 households in West Java to evaluate water consumption, waste generation, and energy usage patterns. Specific investigations in Sindangmukti Village have measured community service effectiveness regarding SDGs. Results: The study found that Only 19.1% of the participants set AC temperatures within the recommended ranges. Additionally, initiatives to promote a sustainable city strategy and establish energy-efficient culinary MSMEs in Sindangmukti Village resulted in a 29% increase in knowledge among 70 participants and generated $36.71 income from bitter melon chip production within two months. Limitations: However, the study focused solely on Sindangmukti Village, neglecting the diverse cultural and problem landscapes of other villages in the Karawang Regency. Contributions: The findings of this study can inform future efforts to enhance energy, water, and waste efficiency in residential buildings in West Java, thereby fostering awareness of energy conservation, environmental sustainability, and economic resilience.
Pengaruh Phase Change Material Jenis Dry Ice Gel Terhadap Variasi Temperatur pada Dinding Freezer Sena, Boni; Suhendra, Bobie; Amanah, Nadia; Setiawan, Reza; Baihaqi Alfakihuddin, Muhammad Lukman
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 10 No 1 (2024): Februari
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/st.vol10.no1.a16206

Abstract

The increasing population growth in cities will cause environmental detriments such as global warming and ozone depletion. The electricity need will increase in the future due to the higher temperature in the cities, leading to the higher usage of cooling equipment such as freezers. The current study proposed a method to improve the freezer's energy efficiency by using phase change material of dry ice gel. Most of previous studies only focused on the impact of position of phase change materials on the temperature of wall freezer while no previous studies consider the detailed methodology of measurement and the impact of phase change material based on dry ice gel to the variance of wall temperature. The sensor thermocouple type T and data logger ADAM 6018+ were used to measure the wall temperature of the freezer. The results showed that the sensor thermocouple was verified to the calibrated thermometer with R2 = 0.99. The installation of phase change material based on dry ice gel on the wall freezer could maintain the temperature around 1-2oC while the freezer was turned off for 4, 6, and 8 hours. The efficiency of freezer could be increased from 10% to 30% due to using dry ice gel phase change material. The future study should investigate the various types of phase change materials and the new combination of phase change materials.
Perancangan Bak Penampungan untuk Pembuangan Limbah Coolant dari Mesin Broaching Menggunakan Software Solidwork dan ANSYS Simulasi Lestyanto Ardi, Affan; Sena, Boni; Gusniar, Iwan Nugraha; Ujiburrahman; Oleh; Amanah, Nadia
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 10 No 1 (2024): Februari
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/st.vol10.no1.a17257

Abstract

Industrial waste is one of the most serious problems in the industrial world. Industrial wastewater treatment plants as one of the solutions to overcome these problems require holding tanks as the main part of the system. Holding tanks function as waste reservoirs before further processing. Thus, holding tanks play an important role in reducing the negative impact of waste on the environment and preventing damage to industrial facilities. The holding tank is designed using solidwork and ANSYS in order to ensure the reability and capability in relocatting the coolant waste water. From the results of the research on the design of wastewater reservoirs, the maximum total deformation subjected to a load of 0.00017735 MM is obtained, while the smallest total deformation value is 1.9705 MM. The results of the maximum stress or voltage subjected to a load of 0.17112 Mpa while the smallest stress value is 0.080072 Mpa. And for the results of the maximum strain or strain subjected to a load of 6.868 Mpa while for the smallest strain value is 7.7904 Mpa.
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, Wilma Nurrul Apriliani, Sherly Dwi Assha, Siva Hiyaul Baihaqi Alfakihuddin, Muhammad Lukman Bobie Suhendra Gina Lova Sari Gusniar, Iwan Nugraha Lestyanto Ardi, Affan Oleh Putri, Rahayu Nabila Putri, Winda Yunita Reza Setiawan Sena, Boni Ujiburrahman Yatim, Ardiansyah Zaki, Sheikh Ahmad