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All Journal Tropical Aquatic and Soil Pollution Civil and Sustainable Urban Engineering
Tongco, Jovale Vincent
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Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Transportation

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Biodegradation of Chlorpyrifos by Microbes: A Review Rubiyatno; Maulana, Aulia; Tongco, Jovale Vincent; Yulisa, Arma; Park , Sang Hyeok; Jannat, Md Abu Hanifa; Permana, Rega; Thakali, Ocean; Lie, Michael; Fahssi, Aouatif; Aziez, Ouahiba; Bastidas, Camilo
Tropical Aquatic and Soil Pollution Volume 4 - Issue 1 - 2024
Publisher : Tecno Scientifica Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/tasp.v4i1.403

Abstract

Chlorpyrifos (CP) is a widely used organophosphate pesticide known for its recalcitrant nature, raising concerns about potential ecological and health impacts due to its toxicity. Many plants and animals are contaminated with this pesticide. Microbial biodegradation offers an environmentally friendly and effective method to remove CP from the environment and mitigate its impacts, especially given its low cost, particularly when bioremediation is conducted on-site. Different types of microbial species have been found to function under various environmental conditions, with some, like Pseudomonas nitroreducens PS-2 and Pseudomonas aeruginosa (NCIM 2074), showing promising results with degradation rates of up to 100%. However, challenges exist, such as partial degradation caused by the presence of metabolites, and the recalcitrant nature of CP, which can impede microbes' ability to effectively degrade its hydrocarbon ring. Overall, a combination of approaches, such as microbial and algal methods, or the discovery of new microbial strains, can help overcome these challenges and further enhance the long-term viability of this technique.
Endocrine-Disrupting Compounds in Urban Soils of Malaysia: Occurrence, Contamination, and Impacts on Health and the Environment Lie, Michael; Kasongo, Joseph; Mtui, Elias; Rubiyatno; Tongco, Jovale Vincent
Tropical Aquatic and Soil Pollution Volume 4 - Issue 2 - 2024
Publisher : Tecno Scientifica Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/tasp.v4i2.489

Abstract

Endocrine-disrupting compounds (EDCs) have garnered increasing concern in recent years due to their association with severe health issues and significant environmental impacts. EDCs, which can interfere with endogenous hormone systems, are diverse in structure and are often characterized by low molecular mass and halogen substitutions. Their presence in the environment, originating from both natural and synthetic sources, has been well-documented in water bodies, but studies on their occurrence in soils remain limited. This review provides a comprehensive overview of the occurrence, contamination, and impacts of EDCs in the urban soils of Malaysia. The paper discusses the primary sources of EDCs, including pharmaceuticals, pesticides, industrial chemicals, and combustion byproducts, and examines the pathways through which these compounds enter the soil. Health risks associated with exposure to EDCs, as well as their ecological consequences, are also explored. The review highlights the current status of EDCs contamination in Malaysian soils, identifies gaps in research, and outlines the challenges in monitoring and mitigating these contaminants. Understanding the dynamics of EDCs in soil is crucial for developing effective strategies to protect human health and the environment in urban settings.
Environmental Impact and Decomposition of Polycyclic Aromatic Hydrocarbons (PAHs) in Urban Soils: Challenges and Future Directions Emre, Mehmet; Rubiyatno; Tongco, Jovale Vincent; Permana, Rega
Tropical Aquatic and Soil Pollution Volume 4 - Issue 2 - 2024
Publisher : Tecno Scientifica Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/tasp.v4i2.490

Abstract

The rapid pace of urbanization and development has led to an increasing global concern over polycyclic aromatic hydrocarbons (PAHs) due to their persistent and widespread presence in the environment, posing significant threats to ecosystems and human health. PAHs originate from both natural and human-made sources and can be categorized based on their origin into pyrogenic, petrogenic, and biogenic products. Upon entering the environment, PAHs undergo various chemical and biological transformations, and their movement occurs through processes such as air-to-soil and soil-to-air transport. Composting, a green and cost-effective technology, offers a promising solution for PAH remediation. This process, which includes mesophilic, thermophilic, cooling, and maturing stages, can yield compost that is useful as fertilizer and soil amendment in agriculture. The success of composting depends on factors such as substrate bioavailability, oxygen levels, nutrient supply, and environmental conditions. While composting has shown effectiveness in reducing PAH levels, it is not without challenges, including the risk of weed infestation, greenhouse gas emissions, and odor pollution. The main obstacles in PAH remediation today are the limited bioaccessibility of PAHs and the insufficient focus on the formation of oxygenated PAHs during the process. Future research should address these challenges, particularly by improving PAH bioaccessibility and mitigating issues related to odor and greenhouse gas emissions.
Challenges and Future Prospects of Using Biochar for Soil Remediation Primus, Audrey; Marculescu, Alexandru; Cao, Linh Thi Thuy; Nadifah, Gina; Twum-Ampofo, Daniel; Jannat, Md Abu Hanifa; Tongco, Jovale Vincent
Tropical Aquatic and Soil Pollution Volume 5 - Issue 1 - 2025
Publisher : Tecno Scientifica Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/tasp.v5i1.624

Abstract

Biochar gained significant attention as an eco-friendly and effective solution for remediating contaminated soils, particularly those impacted by pharmaceutical persistent pollutants (PPPs). These pollutants, known for their resistance to natural degradation and tendency to accumulate in soil, posed serious risks to both human health and ecosystems. To address this issue, researchers proposed the use of biochar as a remediation technology to remove PPPs through adsorption. As an efficient sorbent, biochar demonstrated the ability to immobilize pharmaceuticals in contaminated soils, thereby reducing their bioavailability and mobility, and ultimately mitigating their environmental impact. This review aimed to provide a comprehensive overview of the current understanding of PPPs contamination and the potential of biochar for remediation. It first summarized the occurrence of pharmaceutical pollutants in various countries and identified their primary sources. It then examined the environmental fate of these pollutants and outlined the key challenges associated with their management. The mechanisms by which biochar adsorbed pharmaceutical compounds were discussed in detail, followed by a case study that illustrated the effectiveness of this technology in practical applications. This review also evaluated the advantages and disadvantages of using biochar for remediation, along with the practical challenges encountered during its implementation. Future directions highlighted included developing methods for extracting toxic residues and enhancing the performance of biochar through chemical or structural modifications.
Current Challenges and Future Prospects of Green Construction in Malaysia Sam, Wil Son; Primus, Audrey; Sentiveanu , Daniela; Puspitasari, Surya Dewi; Jannat, Md Abu Hanifa; Jayapadma, Jayapadma Mudalige Miyuru Uthpala; Illahi, Yuangga Rizky; Permana, Muhamad Diki; Maharjan, Amit Kumar; Maharjan, Rabin; Tongco, Jovale Vincent
Civil and Sustainable Urban Engineering Volume 5 - Issue 1 - 2025
Publisher : Tecno Scientifica Publishing & Society of Tropical Science and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/csue.v5i1.621

Abstract

Malaysia’s rapid urbanization, driven by a growing population and increasing industrial and infrastructural demands, significantly impacted the environment. The construction sector, a key contributor to economic growth, simultaneously became a major source of environmental degradation due to high resource consumption and waste generation. In response to these challenges, the integration of green materials and sustainable technologies emerged as a viable solution to minimize the negative environmental footprint of construction activities. This paper provides a comprehensive overview of the current state of green materials in Malaysia, including bamboo, organic waste, recycled concrete aggregate, and plastic waste, highlighting their benefits and limitations. Additionally, sustainable construction technologies such as solar energy, hydropower, biogas systems, green roofing, and rainwater harvesting are examined for their potential role in enhancing environmental sustainability. The study further evaluates existing government policies and regulations governing green construction in Malaysia, identifying key challenges such as ineffective waste management, regulatory enforcement gaps, and illegal dumping. Comparisons with international best practices, including those from Japan and Hong Kong, offer insights into potential improvements for Malaysia’s regulatory framework and implementation strategies. The paper also discusses the prospects of green materials and sustainable construction technologies, outlining potential solutions to enhance their adoption. By addressing both the challenges and opportunities within the sector, this review aims to contribute to the advancement of sustainable construction practices in Malaysia, ultimately fostering a eco-friendlier and more resilient built environment.
Co-Authors Aziez, Ouahiba Bastidas, Camilo Cao, Linh Thi Thuy Emre, Mehmet Fahssi, Aouatif Illahi, Yuangga Rizky Jannat, Md Abu Hanifa Jayapadma, Jayapadma Mudalige Miyuru Uthpala Kasongo, Joseph Lie, Michael Maharjan, Amit Kumar Maharjan, Rabin Marculescu, Alexandru Maulana, Aulia Mtui, Elias Nadifah, Gina Park , Sang Hyeok Permana, Muhamad Diki Primus, Audrey Puspitasari, Surya Dewi Rega Permana Rubiyatno Sam, Wil Son Sentiveanu , Daniela Thakali, Ocean Twum-Ampofo, Daniel Yulisa, Arma