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
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