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Microplastic in water
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This review examines microplastic contamination in aquatic environments, covering the formation of microplastics through physical and chemical degradation of plastic waste, their accumulation in ecosystems, and cycling through food chains. Methods for extracting and detecting microplastics from water—including filtration, adsorption, magnetic extraction, microbial removal, and coagulation—are evaluated alongside microscopy and spectroscopy-based identification techniques. The authors emphasize that reducing plastic production and improving waste management are the most fundamental strategies for mitigating microplastic pollution.
Opće je poznato kako se plastika u okolišu zadržava godinama. Djelovanjem klimatskih i okolišnih faktora dolazi do njene degredacije prilikom čega nastaju vrlo sitni fragmenti plastike, nevidljivi golim okom – mikroplastika. Velike količine mikroplastike s kojima se planeta svakodnevno suočava dovele su u pitanje održivost ekosustava. Problemi leže u njenoj akumulaciji u okoliš i kruženju kroz hranidbeni lanac prilikom čega štetno djeluje na žive organizme. Veliki napori se ulažu za pronalazak najefikasnije metode, kojom bi se mikroplastika iz okoliša izdvojila i kvantificirala. Metode izdvajanja koje su danas poznate su filtracija, adsorpcija, magnetska ekstrakcija, uklanjanje pomoću mikroorganizama, te koagulacija. Metode detekcije koje se najčešće koriste u detekciji polimera su mikroskopija, spektroskopija i spektrometrija. Kao jedno od rješenja reduciranja mikroplastike u prvom redu bila bi umjerena proizvodnja, razumna potrošnja te savjesno upravljanje plastikom.
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