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61,005 resultsShowing papers similar to Critical analysis, characterization, and treatment of microplastics in the peripheral rivers of Dhaka city: Buriganga and Turag
ClearPervasiveness and characteristics of microplastics in surface water and sediment of the Buriganga River, Bangladesh
Researchers investigated microplastic contamination in the Buriganga River in Bangladesh, finding concentrations of 4.33 to 43.67 items per liter in surface water, with fibers and fragments as dominant types linked to textile industries and urban waste discharge in the Dhaka megacity.
A Study of Microplastics in the Freshwater Systems around Dhaka
Researchers quantified and characterised microplastic contamination in surface water and sediments of rivers around Dhaka, Bangladesh using NOAA-recommended methods, finding the highest pollution in the Buriganga River at 3.65 items per litre in surface water and 43.1 items per kilogram in sediment.
Abundance, distribution and composition of microplastics in sediment and fish species from an Urban River of Bangladesh
Researchers examined microplastic contamination in both river sediment and fish from the Turag River in Bangladesh, which separates an industrial city from the capital Dhaka. They found microplastics in all sediment and fish gut samples, with fragment-type particles dominating in sediment and fibers most common in fish. The study highlights that urban rivers in densely populated areas can serve as significant conduits of microplastic exposure for both aquatic life and the people who consume river fish.
Microplastics in Sitalakhya River: Distribution and Properties Across Land Uses in Dhaka's Peripheral Waterway
Researchers investigated microplastic pollution in the water and bed sediments of the Sitalakhya River on the periphery of Dhaka city, sampling four locations representing commercial, residential, industrial, and agricultural land uses and finding microplastic abundances ranging from 20 to 412 items/kg in sediment and 3 to 38 items/100L in water. The study found that land use type significantly influenced both the abundance and physical characteristics of microplastics, with industrial zones exhibiting the highest contamination levels.
Extent and distribution of microplastic contamination in the benthic sediment of Turag river in Bangladesh
Researchers quantified microplastic contamination in benthic sediments of the Turag River in Bangladesh, finding widespread microplastic accumulation that poses threats to benthic communities and highlights a significant knowledge gap in freshwater sediment microplastic studies.
Abundance and Distribution of Microplastics in Surface Water and Sediment of Two Selected Rivers in Bangladesh
Researchers found microplastics in both surface water and sediment of the Jamuna and Turag Rivers in Bangladesh, identifying 145 and 261 microplastic particles respectively across sampling stations, highlighting emerging plastic pollution in South Asian freshwater systems.
Evaluating the sources of microplastic contamination and quantifying its abundance in the Balu River, Dhaka, Bangladesh
Researchers investigated the sources and abundance of microplastic contamination in the Balu River in Dhaka, Bangladesh. They found that textile and industrial waste were major contributors to microplastic pollution, with fibers being the most common type detected in surface water samples. The study provides baseline data on river microplastic contamination in a densely populated urban area and calls for better waste management practices.
Seasonal assessment and characterization of microplastics in two urban (Balu) and peri-urban (Shitalakshya) rivers of Bangladesh
This study assessed microplastic contamination in the Shitalakshya and Balu rivers of Bangladesh across seasons, finding that sediments contained far higher concentrations than water samples, with the Balu River reaching up to 5,673 MPs per kg of dry sediment during the dry season.
Abundance, characteristics, and ecological risks of microplastics in the riverbed sediments around Dhaka city
Researchers analyzed riverbed sediments around Dhaka, Bangladesh and found medium-level microplastic pollution dominated by polyethylene, polypropylene, and PET from urban and industrial sources. All sampling sites showed pollution levels above baseline, with ecological risk assessments ranging from medium to very high depending on location. The study fills an important data gap on freshwater microplastic contamination in one of the world's most densely populated urban areas.
Characterization and spatial distribution of microplastics in Surma river, Bangladesh: Assessing water and sediment dynamics
Researchers characterized the abundance, distribution, and types of microplastics in the water and sediments of the Surma River in Bangladesh. They found widespread microplastic contamination, with fibers being the dominant particle shape, linked to nearby textile and urban sources. The study provides baseline data on microplastic pollution in a major South Asian river system and highlights the need for mitigation strategies.
The seasonal variation and ecological risk of microplastics in the Lower Ganges River, Bangladesh
Researchers characterized seasonal variation in microplastic abundance and polymer composition in the lower Ganges River, finding that monsoon flows dramatically increase microplastic loads and that dry season concentrations reflect local urban pollution.
Risk assessment of microplastic pollution in urban lakes and peripheral Rivers of Dhaka, Bangladesh
Researchers assessed microplastic abundance and ecological risk in urban lake and river surface water and sediments across Dhaka, Bangladesh. Microplastics were detected at all 19 sites, with polymer hazard quotients indicating elevated ecological risk, particularly in heavily urbanized and industrialized locations.
Abundance and characteristics of microplastics in major urban wetlands of Dhaka, Bangladesh
Microplastics were found in water, sediment, and fish from three major urban lakes in Dhaka, Bangladesh, with concentrations ranging from 0 to 9 items per liter in water samples. Fibers were the most common type across all matrices, pointing to textile washing and wastewater discharge as key local sources.
Assessment of microplastics pollution in aquatic species (fish, crab, and snail), water, and sediment from the Buriganga River, Bangladesh: An ecological risk appraisals
Researchers assessed microplastic pollution across water, sediment, fish, crab, and snail from Bangladesh's Buriganga River, finding widespread contamination with fibers and fragments along with elevated heavy metal concentrations on microplastic surfaces.
Characterization and Quantification of Microplastics in Surface Water of Shitalakshya River, Bangladesh
Researchers characterized and quantified microplastics in surface water samples from the Shitalakshya River in Bangladesh, finding an average concentration of 1.52 particles per liter. Fibers made up over 68% of particles found, with black being the most common color and polyethylene the dominant polymer type. The findings indicate that this industrial-area river is becoming increasingly contaminated with microplastics, posing ecological risks to the urban river ecosystem.
Development of a Simple Treatment System for Microplastic Pollution in Water Environment
This study developed a simple, low-cost treatment system for removing microplastics from water in a city like Khulna, Bangladesh, where microplastic contamination of water bodies is an increasing public health concern. The system aimed to provide an accessible solution suitable for implementation in resource-limited settings.
Unveiling the microplastic crisis: Insights into Bangladesh's aquatic ecosystems - origins, impact, and solutions
This review examines the growing microplastic crisis in Bangladesh's rivers, estuaries, and coastal waters, finding that the country's rapid urbanization and limited waste management have led to widespread contamination. Microplastics were documented in water, sediment, and fish across multiple Bangladeshi water systems. Since over 160 million people in Bangladesh depend on these water resources for drinking, farming, and fishing, the contamination poses a significant public health concern.
Aquatic Microplastic Pollution Control Strategies: Sustainable Degradation Techniques, Resource Recovery, and Recommendations for Bangladesh
This review compiled existing microplastic removal and degradation technologies relevant to aquatic environments, with a focus on developing sustainable management strategies for South Asian countries like Bangladesh that face severe microplastic pollution but lack effective regulation and treatment infrastructure. The authors propose a green, context-appropriate framework for controlling aquatic microplastic contamination.
Microplastics pollution in the river Karnaphuli: a preliminary study on a tidal confluence river in the southeast coast of Bangladesh
Researchers found high concentrations of microplastics in the surface water and sediments of Bangladesh's Karnaphuli River, with downstream areas showing the greatest abundance, fibers as the dominant type, and polyethylene terephthalate as the most common polymer.
Occurrence and characteristics of microplastic in different types of industrial wastewater and sludge: A potential threat of emerging pollutants to the freshwater of Bangladesh
Researchers documented the first evidence of microplastic contamination in industrial wastewater and sludge from five industry types in Bangladesh, finding concentrations of 293-2713 MPs/L in wastewater and 115,878 MPs/kg in sludge. Existing treatment plants removed only about 62% of MPs, with nylon, cellulose acetate, and polystyrene fibers being the most common types.
Microplastic pollution in two industrial locations of the Karnaphuli River, Bangladesh: insights on abundance, types, and characteristics
Researchers surveyed microplastic pollution in surface water at two industrial sites along the Karnaphuli River in Bangladesh, finding significant contamination with fibers being the most common type. The study suggests that industrial activity is a major contributor to microplastic pollution in this river system, with polymer types and concentrations varying between the two locations.
Potential Ecological Risk and Characterization of Floating Microplastics in the Surface Water of a Highly Urbanized Large River in Southeast Asia
Researchers characterized floating microplastics in the Jamuna River in Bangladesh, finding significant contamination likely originating from industrial, domestic, and hospital waste, and assessed the ecological risks posed by the identified polymer types to aquatic organisms.
Microplastics in surface water from a mighty subtropical estuary: First observations on occurrence, characterization, and contamination assessment
Researchers documented the first observations of microplastic contamination in surface waters of the Meghna estuary in Bangladesh, finding widespread pollution that poses risks to this ecologically and economically critical subtropical ecosystem.
Abundance and characteristics of microplastics in major urban lakes of Dhaka, Bangladesh
Researchers measured microplastic contamination in three major urban lakes in Dhaka, Bangladesh, finding plastic particles in the water, sediment, and fish at all sites. The dominant plastics were common consumer types like polyethylene and PVC, with sizes mostly under 100 micrometers. Since these lakes are in a densely populated urban area, the findings raise concerns about microplastic exposure for the local population through both water and fish consumption.