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Tjahjo Tri Hartono
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relibi@uika-bogor.ac.id
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relibi@uika-bogor.ac.id
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Jl. Sholeh Iskandar No.Km.02, RT.01/RW.010, Kedungbadak, Kec. Tanah Sereal, Kota Bogor, Jawa Barat 16162, Indonesia
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INDONESIA
Jurnal Rekayasan Lingkungan dan Biosistem
Published by Universitas Ibn Khaldun Bogor
ISSN : -     EISSN : 30261465     DOI : https://doi.org/10.32832/relibi
Core Subject : Science, Education, Engineering,
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Other
This journal is managed by the Agricultural and Biosystem Engineering Study Program and the Environmental Science Study Program, Faculty of Engineering and Science, Ibn Khaldun University, Bogor. The journal publication period is twice a year, in June and December. Relibi Journal is a scientific journal published periodically which contains scientific articles, conceptual thoughts, and reviews in the fields of environmental management, biosystem engineering and agricultural mechanization. Reviewers conduct a review process on every scientific article published in the RELIBI journal. Scope : Natural Resources and Environmental Management Biosystem Engineering Agricultural Mechanization Environmental Engineering Waste Management
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 25 Documents
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Financial Viability Assessment of Intermediate Waste Treatment Facilities in South Service Area of DKI Jakarta Riyadi, Rizal; Tjahjo Tri Hartono; Mas Davino Sayaza
Jurnal Rekayasa Lingkungan dan Biosistem Vol. 3 No. 1 (2025): Jurnal Relibi Vol.3 No.1 2025
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/relibi.v3i1.1679

Abstract

This study evaluates the economic feasibility of developing Intermediate Waste Treatment Facilities (ITFs) utilizing Waste-to-Energy technology in Jakarta's South Service Area. A comparative analysis was conducted using two scenarios: conventional landfill management versus ITFs implementation at two potential locations—Pesanggrahan (South Jakarta) and Sukapura (North Jakarta). The research employed secondary data analysis over one month in August 2021, utilizing financial indicators including Net Present Value (NPV), Internal Rate of Return (IRR), and Benefit Cost Ratio (BCR). Environmental and social externalities were integrated into the economic assessment. Results demonstrate that conventional landfill approaches yield negative present value of IDR 5.24 billion, indicating financial unsustainability. Conversely, WtE technology scenarios show positive economic viability: Pesanggrahan achieves NPV of IDR 441 million (IRR 12.12%, BCR 1.08), while Sukapura demonstrates superior performance with NPV of IDR 1.25 billion (IRR 16.15%, BCR 1.23). The findings establish clear economic justification for transitioning from disposal-based to resource recovery systems, with industrial zone locations offering strategic advantages for ITF development in Jakarta's waste management modernization strategy.
Physical, Chemical and Biological Analysis of Water Environment Quality in Tourism Area as a Basis for Sustainable Ecotourism Development in Bogor Zulaika, Aidha; Tri Hartono , Tjahjo; Saputra, Hery; Stephanie, Endah Nadiya
Jurnal Rekayasa Lingkungan dan Biosistem Vol. 3 No. 1 (2025): Jurnal Relibi Vol.3 No.1 2025
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/relibi.v3i1.1711

Abstract

Lakes are an important part of the inland water system that functions to maintain environmental stability, support biodiversity, and provide ecosystem services such as clean water supply, flood control, and natural recreation space. This study was conducted to analyze the quality of the lake and the lake's carrying capacity for fisheries and tourism facilities. Physical, chemical, biological parameters, and lake fertility index were calculated referring to the Regulation of the Minister of Environment and Forestry of the Republic of Indonesia Number 5 of 2021 concerning Procedures for Issuing Technical Approvals and Operational Feasibility Letters for Environmental Pollution Control. The results of the study found high pollution parameters in BOD, COD, and TDS. Lake Lido is classified as having a fairly high pollution load with a lake with a Eutrophic trophic index so that further analysis is needed for the level of pollution distribution, lake carrying capacity and lake utilization management strategies for sustainable fisheries and tourism activities. Recommended strategy of Domestic Wastewater Treatment Plant is a system which meet the quality standards for domestic wastewater based on Permen LHK No. 68 of 2016, with an integrated system. As environmentally friendly fish farming strategy that is recommended was the use of SMART Floating Net Cages (KJA).
Use of Analytical Hierarchy Process (AHP) in the Environmental Function Recovery Plan for Battery Melting Waste in Bogor Regency: (Case Study on the Restoration of Land Contaminated by Used Battery Smelting Waste in Cinangka and Cinangneng Villages, Bogor Regency) Ismail, Gunawan; Susetyo, Budi; Hartono, Tjahjo Tri; Hidayaturrahman, Haerul; Wibowo, Rimun; Fatima, Ratih; Deviro, Sonya Okta; Sidik, Sahrul
Jurnal Rekayasa Lingkungan dan Biosistem Vol. 3 No. 1 (2025): Jurnal Relibi Vol.3 No.1 2025
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/relibi.v3i1.1712

Abstract

Environmental pollution caused by unmanaged scrap battery smelting activities in Cinangka and Cinangneng villages, Bogor Regency, has led to heavy metal contamination, particularly lead (Pb), which threatens public health and the ecosystem. This study employs the Analytical Hierarchy Process (AHP) to evaluate four contaminated land remediation methods encapsulation, on-site stabilization and solidification, phytoremediation, and dig and fill based on legal, technical, financial, and environmental aspects. The analysis results indicate that the dig-and-fill method is the best solution for addressing contamination at priority sites with high pollution levels and proximity to residential areas. This method effectively removes contaminated soil and replaces it with pollutant-free soil, thereby minimizing health risks. This study provides strategic recommendations to support land remediation policies in Bogor Regency.
Ecological Viability of Bamboo as an Alternative Revegetation Species for Post-Andesite Mining Land: A Comparative Assessment with Pioneer Species Hartono, Tjahjo Tri; Zulaika, Aidha; Harsono
Jurnal Rekayasa Lingkungan dan Biosistem Vol. 3 No. 1 (2025): Jurnal Relibi Vol.3 No.1 2025
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/relibi.v3i1.1723

Abstract

Andesite mining activities cause land degradation that requires revegetation efforts for ecosystem restoration. This study aims to evaluate the ecological feasibility of bamboo as an alternative revegetation species for post-mining sites compared to conventional pioneer plants through a systematic literature review. Analysis was conducted on 45 relevant scientific publications from indexed academic databases, focusing on adaptability, soil improvement, erosion control, and contribution to biodiversity. Results show that bamboo has significant advantages in root systems (fine root biomass 1.1-4.5 kg m⁻³), erosion control effectiveness, and carbon sequestration potential (6-13 Mg ha⁻¹ year⁻¹). Bamboo also demonstrates high adaptability to marginal land conditions and provides sustainable economic value through selective harvesting without damaging the root system. Compared to conventional pioneer plants, bamboo provides more stable long-term contributions to post-mining ecosystem restoration. This study recommends the use of bamboo as a primary component in andesite post-mining land revegetation programs in Indonesia.
Rural Livelihood Diversification and Economic Adaptation in East Kalimantan: Evidence from Six Village Communities Sayaza, Mas Davino; Stephanie, Endah Nadiyas
Jurnal Rekayasa Lingkungan dan Biosistem Vol. 3 No. 1 (2025): Jurnal Relibi Vol.3 No.1 2025
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/relibi.v3i1.1725

Abstract

This study examines rural livelihood diversification patterns across six village communities in East Kalimantan Province, Indonesia. Using qualitative methodology including focus group discussions, in-depth interviews, and seasonal calendar development, the research analyzes how rural households adapt their economic strategies within contexts shaped by palm oil expansion and extractive industries. The study was conducted in Tepian Indah, Tepian Langsat, Tepian Makmur, Tebangan Lembak, Tepian Baru, and Tepian Budaya villages within Bengalon Subdistrict, Kutai Timur Regency. Findings reveal that livelihood strategies operate within complex intersections of demographic composition, land allocation systems, infrastructure access, and institutional capacity. Oil palm cultivation dominates five villages through both independent farming and plasma partnership arrangements, while mining employment characterizes Tebangan Lembak. Infrastructure disparities create differential opportunities for economic activities, with variations in electrical access, transportation connectivity, and water security affecting household adaptation strategies. Gender analysis shows women's critical roles in autonomous economic activities and environmental adaptation, though often underrecognized in development planning. Weak institutional capacity limits collective action for market integration despite formal farmer group existence. The study contributes to understanding rural economic adaptation in resource-rich regions by demonstrating how livelihood diversification reflects responses to both opportunities and constraints created by extractive industry presence.

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