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INDONESIA
IJEMS (Indonesian Journal of Environmental Management and Sustainability)
Published by ARTS Publishing
ISSN : 25986260     EISSN : 25986279     DOI : -
Core Subject : Health, Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Energy Environmental Science Public Health
This journal aimed to be a platform for academics, regulators, practitioners, and also policy makers to share and discuss how to manage their surrounding environment in order to build and develop a sustainable environment. The scope of this journal includes all issues of fundamental environmental science, management, technology and related fields. In particular, the journal welcomes the following field: Waste and wastewater management, Air, soil, and water pollution, Climate change and its aspects, Natural energy and resources, Environmental policy and Risk analysis and assessment of public health.
Arjuna Subject : -
Articles 163 Documents
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Biogas Production Using Continuous Stirred Tank Reactor (CSTR) from Palm Oil Mill Effluent (POME) Utilizing Mesophilic Bacteria Afrianti, Suratni; Zainal, Edwina
Indonesian Journal of Environmental Management and Sustainability Vol. 9 No. 4 (2025): December
Publisher : Magister Program of Material Science, Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2025.9.4.192-198

Abstract

Energy is essential for human life, yet dependence on fossil fuels and other non-renewable resources contributes to global energy crises and environmental degradation. Biogas is an environmentally friendly alternative that has the potential to partially replace fossil fuels. Palm Oil Mill Effluent (POME), which contains high concentrations of biodegradable organic matter, is a promising substrate for biogas production through anaerobic fermentation. This study aims to evaluate the potential of Palm Oil Mill Effluent (POME) as a substrate for biogas production using a Continuous Stirred Tank Reactor (CSTR) under mesophilic conditions (35–37oC). The experiment was conducted for 30 days with at a laboratory scale (10 L reactor volume). Feedstock characterization (COD, TSS, TS, VS, and pH) confirmed that POME has high organic content and slightly acidic conditions, supporting its suitability for anaerobic digestion. The results show that anaerobic fermentation of POME produced biogas with an average methane (CH4) concentration of 66–71%, indicating stable digestion performance and relatively high efficiency. These methane levels indicate stable digestion performance and relatively high process efficiency. Overall, the findings confirm that POME is a promising feedstock for biogas production and can contribute to renewable, environmentally friendly energy supply.
Mapping World Trends in the Peatland Restoration Literature: An Overview of Bibliometric Analysis Pratama, Irfandi; Waworundeng, Welly; Sampe, Stefanus; Rahmat, Al Fauzi; A’yun, Lulu Qurrat
Indonesian Journal of Environmental Management and Sustainability Vol. 9 No. 4 (2025): December
Publisher : Magister Program of Material Science, Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2025.9.4.199-213

Abstract

Anthropogenic activities have degraded peatlands in various regions worldwide. To protect and restore peatlands and their ecosystems, sustainable peatland restoration efforts have been undertaken. These efforts have attracted the attention of researchers to assess the success rate, benefits, and protection of restored ecosystems. This study highlights trends, issues, and recent developments through a bibliometric analysis of articles on peatland restoration from an environmental security perspective, published in the Scopus database. The researcher identified 94 journal articles published between 1994 and 2022 and analyzed them using VOSviewer and NVivo 12 Plus software. The results show that research on peatland restoration is playing an important role from an environmental security perspective with increasing recent progress, and has high relevance for rewetting, revegetation, and cost benefits. In contrast, the main issues in peatland restoration are water, ecosystem, and carbon. Experts measure restoration progress through water levels and related issues. Then the peatland ecosystem absorbs about 30% of the world’s carbon and vice versa; when degraded, they release carbon. Recommendations for future research focus on harmonizing peatland restoration efforts with an environmental security perspective and educating local communities about the benefits that can increase the success of restoration and preservation of peatland ecosystems, as well as efforts to increase protection through advocacy for these marginal ecosystems.
Properties and Utilization of Fly Ash for Treating Acid Mine Drainage Nurlela; Agustina, Tuty Emilia; Arita, Susila; Bahrin, David; Fatimura, Muhrinsyah; Masriatini, Rully; Gayatri, Rianyza
Indonesian Journal of Environmental Management and Sustainability Vol. 9 No. 4 (2025): December
Publisher : Magister Program of Material Science, Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2025.9.4.223-232

Abstract

The combustion of coal in power plants (PLTU) generates fly ash containing silica dioxide (SiO?) and alumina (Al?O?), which exhibit promising properties as adsorptive materials. Fly ash, typically regarded as an industrial by-product, has been widely explored for its application as an adsorbent in wastewater purification. One of the most challenging wastewaters is acid mine drainage, characterized by strong acidity (pH < 5), residual contaminants, and elevated concentrations of heavy metal ions such as manganese (Mn) and iron (Fe). When released untreated, this effluent poses significant risks to both surface and groundwater quality in mining areas. This study focuses on the characterization and utilization of fly ash as an adsorbent to neutralize acidity and reduce Mn and Fe concentrations in acid mine drainage. The material was characterized using SEM-EDX and XRD techniques, followed by adsorption experiments. To enhance its properties, fly ash underwent physical activation through heating at 100 °C for 60 minutes. The activation process modified its structure, expanding pore volume and increasing surface area, thereby improving adsorption performance. The experimental results revealed significant differences in the properties of fly ash before and after activation. Activated fly ash effectively raised the pH of acid mine drainage to near-neutral conditions while achieving removal efficiencies of 96.61% for Mn and 83.33% for Fe using 50 g of adsorbent. These findings highlight the potential of fly ash as a low-cost and effective material for acid mine drainage treatment, both for acidity control and heavy metal removal.

Page 17 of 17 | Total Record : 163

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