Mekotla ea tee ea polasetiki e sa lefelloeng?E, u utloile hantle ...

Moetsi oa tonchant 100% ea pampiri ea sefa ea polasetiki ea mahala bakeng sa mekotla ea tee,ITHUTE HAHOLO MONA

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Senoelo sa hau sa tee se ka ba le likaroloana tsa microplastic tse limilione tse likete tse 11 mme sena se bakoa ke tsela eo mokotla oa tee o entsoeng ka eona.

Ho ea ka phuputso ea morao-rao ea Canada Univesithing ea McGill, ho kenya mokotla oa tee oa polasetiki mochesong oa ho ritela oa 95 ° C ho hlahisa li-microplastics tse ka bang limilione tse likete tse 11.6 - likotoana tse nyenyane tsa polasetiki pakeng tsa 100 nanometers le 5 millimeters ka boholo - ka senoelo se le seng.Ka mohlala, ha ho bapisoa le letsoai le fumanoeng le e-na le polasetiki, senoelo se seng le se seng se na le polasetiki e boima ka makhetlo a likete, e leng li-microgram tse 16 ka senoelong.

Ho ba teng ho ntseng ho eketseha ha lipolasetiki tse nyane le tse boholo ba nano tikolohong le ketane ea lijo ke taba e ntseng e hola.Leha bareki ba hlokolosi ba khothaletsa phokotso ea lipolasetiki tse sebelisoang hang, bahlahisi ba bang ba theha liphutheloana tse ncha tsa polasetiki ho nka sebaka sa tšebeliso ea pampiri e tloaelehileng, joalo ka mekotla ea tee ea polasetiki.Sepheo sa thuto ena e ne e le ho fumana hore na mekotla ea tee ea polasetiki e ka lokolla microplastics le / kapa nanoplastics nakong ea mokhoa o tloaelehileng oa ho thella.Re bontša hore ho kenya mokotla o le mong oa tee oa polasetiki mochesong oa ho riteloa (95 °C) ho lokolla li-microplastics tse ka bang limilione tse likete tse 11.6 le li-nanoplastic tse limilione tse likete tse 3.1 ka kopi e le 'ngoe ea seno.Sebopeho sa likaroloana tse lokollotsoeng se tsamaisana le mekotla ea pele ea tee (nylon le polyethylene terephthalate) ho sebelisoa Fourier-transform infrared spectroscopy (FTIR) le X-ray photoelectron spectroscopy (XPS).Maemo a likaroloana tsa nylon le polyethylene terephthalate tse lokollotsoeng ka har'a sephutheloana sa teabag ke litaelo tse 'maloa tsa boholo bo phahameng ho feta meroalo ea polasetiki e tlalehiloeng pele lijong tse ling.Tekolo ea mantlha e matla ea invertebrate toxicity e bonts'a hore ho pepesetsoa feela likaroloana tse lokollotsoeng mekotleng ea tee ho bakile litlamorao tse itšetlehileng ka tekanyetso ea boitšoaro le nts'etsopele.

 


Nako ea poso: Nov-09-2022