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Jurnal Sains & Teknologi Lingkungan
Published by Universitas Islam Indonesia
ISSN : 20851227     EISSN : 25026119     DOI : -
Core Subject : Science, Education,
Computer Science & IT Education
Jurnal Sains & Teknologi Lingkungan (JSTL) published twice a year in January and June is a scientific journal that publishes scientific research papers and ideas in the field of science and technology related to environmental issues. The journal covers typical subjects of environmental sciences and technologies such as.: Drinking water treatment, wastewater treatment, solid waste treatment, solid waste management, cleaner production, air pollution management, resource recovery, water pollution, soil contamination, and other relevant fields. JSTL published by the Islamic University of Indonesia (UII) only accepts original scientific works that have not been published by other medias. All incoming articles will be reviewed in advance by competent reviewers before being eligible for publication. JSTL (e-ISSN 2502-6119) has been accredited by Ministry of Research, Technology and Higher Education of the Republic of Indonesia.
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Articles 6 Documents
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Search results for , issue "Vol. 16 No. 2 (2024): SAINS " : 6 Documents clear
Waste Assessment Model (WAM): Bagaimana Perusahaan Menilai Limbah? Indonesia Irawan, Yeremias Budi; Fitriani, Katlea
Jurnal Sains dan Teknologi Lingkungan Vol. 16 No. 2 (2024): SAINS & TEKNOLOGI LINGKUNGAN
Publisher : Teknik Lingkungan Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jstl.vol16.iss2.art4

Abstract

The results of the initial analysis carried out by the author occurred because there were several indications of waste problems at PT XYZ. These problems are the difference in actual time and standard time as well as the quality of production results that do not meet company standards. The purpose of this research is to determine the type of relationship between waste and the type of waste produced in the production process at PT Best Jeans Indo Citra Nusa. This research applies a mixed method research method, combining quantitative and qualitative data through observation, interviews, and literature study. The study population includes all PT XYZ employees, with a sample of 8 people selected using judgment sampling. The analysis was carried out using the Waste Assessment Method, which aims to identify and evaluate waste in the production process. This method consists of the Waste Relationship Matrix and the Waste Assessment Questionnaire. The occurrence of idle time and defects in the production process at PT XYZ can occur because the company still produces waste in every production process. With this research, it is hoped that companies can make efforts to minimize every process that can produce waste.
Evaluasi dan Perencanaan Ulang Instalasi Pengolahan Air Limbah (IPAL) Industri Pembekuan Ikan PT. X Kabupaten Sidoarjo A’yunin, Qurrotu; Afrianisa, Rodu Dhuha
Jurnal Sains dan Teknologi Lingkungan Vol. 16 No. 2 (2024): SAINS & TEKNOLOGI LINGKUNGAN
Publisher : Teknik Lingkungan Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jstl.vol16.iss2.art2

Abstract

Fisheries have become one of the main economic sectors in Sidoarjo Regency. X Ltd., an industry producing frozen fish, already has a Wastewater Treatment Plant, but the WWTP effluent produced does not meet quality standards. Based on these problems, it is necessary to evaluate the WWTP and then re-plan the WWTP so that the effluent results meet quality standards. The evaluation method was carried out by analyzing samples of wastewater from each WWTP unit, measuring the dimensions of each WWTP unit, and comparing the detention time parameters with the design criteria. The evaluation results showed that the existing WWTP conditions did not meet the design criteria, and the existing WWTP effluent results did not meet the quality standards of East Java Governor Regulation No. 72 of 2013. The recommendation from the evaluation results is to re-plan the WWTP using an Anaerobic-Aerobic filter system. The units used are screens, equalization tanks, initial settling tanks, anaerobic filter tanks, aerobic filter tanks, and final settling tanks. The WWTP plans to treat wastewater with a discharge of 3 m 3 /day and characteristics of the wastewater, i.e., TSS 179 mg/L, BOD 239 mg/L, COD 586 mg/L, and Ammonia 29 mg/L. The WWT dimension is 6m x 1m x 1.5 m.
Degradasi Warna dan COD pada Pengolahan Air Lindi TPA Bakung dengan Metode Fenton Teguh, Dedi; Cendekia, Devy; Sari, Nita Pita; Putri, Cynthia Eka
Jurnal Sains dan Teknologi Lingkungan Vol. 16 No. 2 (2024): SAINS & TEKNOLOGI LINGKUNGAN
Publisher : Teknik Lingkungan Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jstl.vol16.iss2.art5

Abstract

The main problem in the Bakung final processing place is the infiltration of leachate with high concentrations of organic and inorganic substances. Leachate from landfills is usually characterized by a foul odor, a black color, high COD values, and toxicity. This is very dangerous if it is directly flown into the ground or water body because it can pollute the environment. Therefore, it is necessary to carry out effective leachate treatment. One way to treat leachate is using Fenton method, which is a development of  advanced oxidation processes technology. The objectives of this research are to treat leachate using the Fenton method and determine the effect of the Fenton molar ratio (1:150, 1:200, 1:250) and reaction time (30, 60, 90, 120 minutes) on color and COD degradation. Optimum conditions were achieved at a Fenton molar ratio of 1:150 and a reaction time of 120 minutes, with maximum color and COD degradation percentages of 91.4% and 92.4%, respectively. The results of this research show that the Fenton method is very effective on color and COD degradation in leachate and has met the leachate water quality standards for businesses and/or final waste processing activities.
Peningkatan Kualitas Air Bersih Sumur Gali Menggunakan Teknologi Filtrasi Al Kholif, Muhammad; Putra, Muhammad Uke Dwi; Sutrisno, Joko; Sugito, Sugito; Majid, Dian; Nurhayati, Indah
Jurnal Sains dan Teknologi Lingkungan Vol. 16 No. 2 (2024): SAINS & TEKNOLOGI LINGKUNGAN
Publisher : Teknik Lingkungan Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jstl.vol16.iss2.art3

Abstract

The most common problem encountered in the use of well water is the presence of metal contaminants, particularly iron (Fe) and manganese (Mn). One alternative solution is the use of filtration with zeolite and activated carbon. This research aims to improve the quality of well water by reducing Fe, Mn, and turbidity levels using filtration technology. The treatment reactor consists of two reactors with the difference between reactors 1 and 2 lies in the type of media used. Reactor 1 uses zeolite media, and reactor 2 uses activated carbon. The filtration column used is a PVC pipe with a diameter of 10 cm and a length of 1 m. The independent variable in this study is the composition of the filtration media, consisting of a combination of quartz sand-zeolite and quartz sand-activated carbon. The research findings show that in reactor 1, the decrease in Fe levels from the first day to the third day is 0.4975 mg/L, 0.6175 mg/L, and 0.605 mg/L, whereas in reactor 2, it is 0.9175 mg/L, 0.7725 mg/L, and 0.685 mg/L. The decrease in Mn levels in reactor 1 over three consecutive days is 0.08 mg/L, 0.07 mg/L, and 0.05 mg/L, while in reactor 2, it is 0.12 mg/L, 0.09 mg/L, and 0.06 mg/L. The decrease in turbidity levels in reactor 1 consecutively is 20.825 NTU, 13.305 NTU, and 11.09 NTU, while in reactor 2, it is 21.4775 NTU, 18.36 NTU, and 12.23 NTU. These filtration results have met the clean water quality standards according to PERMENKES No. 32 of 2017.
Studi Pemanfaatan Idle Capacity Instalasi Pengolahan Lumpur Tinja (IPLT) Keputih Surabaya Nurhayati, Ervin; Arseto Yekti Bagastyo; Cynthia Dyah Puspitasari; Joko Pramono; Fathyah, Fathyah; Rahayu, Dewi Puji; Subechi, Dya Nur Mangzila
Jurnal Sains dan Teknologi Lingkungan Vol. 16 No. 2 (2024): SAINS & TEKNOLOGI LINGKUNGAN
Publisher : Teknik Lingkungan Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jstl.vol16.iss2.art6

Abstract

IPLT Keputih, the only fecal sludge treatment plant in Surabaya City, plays a critical role in the city's sanitation infrastructure. Its operation is critical to manage the fecal sludge generated by Surabaya residents, ensuring that the effluent is effectively treated before being safely discharged to the environment. According to previous studies, IPLT Keputih still has significant untapped potential, especially in the Solid Separation Chamber (SSC) and Grease Trap (GT) units, which have idle capacity that can be optimized to improve overall efficiency. The study involved primary and secondary data collection. Primary data was collected through comprehensive field observations and measurements, while secondary data was obtained from relevant agencies. Data analysis showed that IPLT Keputih currently treats an average of 97.71 m3 of septage per day. However, the facility has an idle capacity of 139.89 m3/day, which indicates a great opportunity to improve utilization. The calculation of the existing idle capacity was conducted based on the maximum discharge of sludge entering the IPLT Keputih in 2022. Several scenarios were developed to fully utilize the idle capacity of the SSC and GT units. The scenarios include the optimization of the SSC unit through improved desludging services, the optimization of the SSC and GT through improved non-fecal sludge management services for restaurants, as well as the implementation of a blended approach to improve the overall service of IPLT Keputih.
Analisis Kualitas Air, Limbah dan Udara pada Industri Perhotelan: Studi Kasus Hotel X di Yogyakarta Saprian, Saprian; Siswoyo, Eko
Jurnal Sains dan Teknologi Lingkungan Vol. 16 No. 2 (2024): SAINS & TEKNOLOGI LINGKUNGAN
Publisher : Teknik Lingkungan Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jstl.vol16.iss2.art1

Abstract

Environmental quality is one of the key factors in supporting the tourism industry, where good environmental conditions are expected to be an attraction for tourists to visit a city. Various environmental problems such as pollution of river water bodies, ground water and air must receive serious attention, for example through environmental quality monitoring activities by hotel industry players. The current research aims to evaluate environmental quality conditions in four-star hotels and provide recommendations for improvement. Data collection was carried out by surveys and direct monitoring of environmental conditions in several four-star hotels. The research findings can help hotel managers and local governments in improving sustainability and environmental management in the hotel industry. Specifically, the study focuses on aspects such as clean water, wastewater, ambient air, waste management, and noise pollution. The study results show that although the ambient air quality around four-star hotels meets quality standards, several parameters exceed the threshold. The concentration of BOD and COD of the effluent from filter unit are 36,8 mg/l (standard 28 mg/l) and 72,5 mg/l (standard 50 mg/l), respectively. Wastewater from hotels significantly exceeds water quality standards, while the use of filters reduces the negative impact of wastewater pollution. The research serves as a contribution to the development of future studies related to environmental quality and workplace conditions in the Indonesian hotel industry.

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