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Lingkar : Journal of Environmental Engineering
Published by Universitas Islam Negeri Ar-Raniry Banda Aceh
ISSN : 27462498     EISSN : 29868807     DOI : https://doi.org/10.22373/ljee.v3i2
Core Subject : Social, Engineering,
Engineering Environmental Science
Lingkar: Journal of Environmental Engineering is a journal that published the result of research in field of Engineering and Science focusing on environmental management, water resources, pollution control, health and safety, public health and sustainable such as latest idea, concept and technology.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Teknik Lingkungan
Articles 63 Documents
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DRINKING AND CLEAN WATER QUALITY, SANITATION AND WATER SERVICE LEVELS AT DAYAH INTI DARUL AITAMI, WEST ACEH Ashari, Teuku Muhammad; Rohendi, Aulia; Dipa, Syahrul Ridha; Effendi, Rijal; Tanjung, Aris Muda
Lingkar: Journal of Environmental Engineering Vol. 6 No. 2 (2025): LINGKAR : Journal of Environmental Engineering (IN PROGRESS)
Publisher : Department of Environmental Engineering (Prodi Teknik Lingkungan), Fakultas Sains dan Teknologi, UIN Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study assesses drinking-water and clean-water quality and sanitation conditions at Dayah Inti Darul Aitami, West Aceh, to support healthier boarding-school environments. A mixed-methods case study was conducted, combining laboratory water-quality testing with field observation/interviews and an exploratory questionnaire of 10 santri. Laboratory results show that Reverse Osmosis (RO)-treated drinking water met key benchmark parameters (turbidity 0.45 NTU, TDS 14 mg/L, pH 6.68) and showed “Not Detected” results in the H₂S pathogen indicator test at both 1×24 h and 3×24 h incubation. In contrast, borehole-derived clean water exceeded the TDS benchmark (412 mg/L) and showed “Detected” results for the H₂S pathogen indicator test at both incubation periods. Questionnaire responses were consistent with these patterns: 8/10 respondents rated drinking-water quality as satisfactory, whereas only 5/10 rated clean-water quality as acceptable, citing odor and discoloration. Sanitation challenges were also reported, particularly inadequate toilet cleanliness (3/10 respondents) and suboptimal solid-waste management (4/10 respondents). Overall, while access to water sources is adequate, improvements are needed in clean-water treatment and source protection, routine monitoring, and sanitation management to reduce health risks and strengthen Eco-Dayah implementation.
ASSESSING PM2.5 EMISSION REDUCTION THROUGH COMMUNITY GREEN BEHAVIOR IN EAST JAKARTA: A SYSTEM DYNAMICS APPROACH Chaisya Wilver; Wilma Nurrul Adzillah; Aries Purwanto
Lingkar: Journal of Environmental Engineering Vol. 7 No. 1 (2026): LINGKAR : Journal of Environmental Engineering
Publisher : Department of Environmental Engineering (Prodi Teknik Lingkungan), Fakultas Sains dan Teknologi, UIN Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ljee.v7i1.10311

Abstract

East Jakarta faces a severe PM₂.₅ air quality crisis, with concentrations reaching 147.64 µg/m³ nearly ten times the national standard of 15 µg/m³. This study quantifies the potential of community green behavior to reduce PM₂.₅ emissions through a system dynamics approach. Data from 100 respondents collected through proportional quota sampling were extrapolated to the East Jakarta household population (867,399 households) and incorporated into a Vensim PLE simulation model. The baseline inventory revealed total PM₂.₅ emissions of 952.86 ton/year, dominated by the waste sector (85.6%), while vegetation absorbs only 102.78 ton/year, leaving a net deficit of 850.08 ton/year. The community Green Behavior Index (GBI) averaged 2.67 out of 5 (moderate); waste management registered the lowest GBI (2.30) despite its highest emission share, revealing a structural behavioral paradox. Four scenarios at moderate (GBI = 3.4) and optimistic (GBI = 4.2) intervention levels were simulated. The best case scenario achieved 23.36% emission reduction, with waste related behavior contributing 62.4% of that potential. Under the optimistic full sector scenario, emission absorption equilibrium is projected between 2035 and 2044, compared to approximately 2050 under Business as Usual. Green behavior is necessary but not sufficient; structural interventions remain essential.
PERFORMANCE OF SPENT COFFEE GROUNDS ACTIVATED CARBON AND RIVER SAND AS FILTRATION MEDIA FOR TOTAL SUSPENDED SOLIDS REMOVAL IN ABATTOIR WASTEWATER TREATMENT Rahman, Arief; Nisah, Khairun; Naufal Fawwaz, Atha
Lingkar: Journal of Environmental Engineering Vol. 7 No. 1 (2026): LINGKAR : Journal of Environmental Engineering
Publisher : Department of Environmental Engineering (Prodi Teknik Lingkungan), Fakultas Sains dan Teknologi, UIN Ar-Raniry Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/ljee.v7i1.10322

Abstract

Abattoir wastewater contains high levels of total suspended solids (TSS) and might cause negative impacts on the environment if discharged directly without being treated in advance. Filtration methods can be used to treat abattoir wastewater, especially in TSS removal, utilizing filtration media such as sands. and activated carbon. The objective of this research is to discover the potential of spent coffee grounds (SCG) activated carbon and river sand as filtration media for TSS removal in abattoir wastewater treatment. The research was conducted by using dual media filtration, consisting of SCG activated carbon and river sand, 15 cm and 30 cm in thickness, respectively. The result shows that the combination of SCG activated carbon and river sand can reduce the TSS levels of abattoir wastewater from 164 mg/L to 37 mg/L, with 77.43% removal percentage and met the quality standard, which is 100 mg/L. Based on the result, it is concluded that the combination of SCG activated carbon and river sand has good potential as filtration media for TSS removal in abattoir wastewater treatment, and further improvements can be conducted to enhance the efficacy.

Page 7 of 7 | Total Record : 63

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