Litšoantšo tsa li-microbeads tse leoatleng li ka 'na tsa se ke tsa thabisa pelo joaloka litšoantšo tsa likolopata tsa leoatleng tse qabeletsoeng ka masale a polasetiki, empa li-plastiki tsena tse nyenyane li boetse li bokellana litseleng tsa rona tsa metsi' me li sokela bophelo ba liphoofolo tsa metsing.
Li-microbead li tsoa joang ho tloha sesepa ho ea leoatleng? Ka tsela ea tlhaho, ka mor'a ho hlatsoa hoseng ho hong le ho hong, li-plastiki tsena tse nyenyane li hlatsuoa ka har'a mokelikeli. 'Me litsebi tsa tikoloho li ka rata haholo hore sena se se ke sa etsahala.
Li-microbead ke eng?
Microbead ke karoloana ea polasetiki e ka bang milimithara e le 'ngoe kapa e nyenyane (e ka bang boholo ba hlooho ea phini).
Li-microbeads hangata li sebelisoa e le li-abrasives kapa exfoliators hobane libaka tsa tsona tse thata ke ntho e sebetsang ea ho hloekisa e ke keng ea senya letlalo la hao, 'me ha e qhibilihe metsing. Ka lebaka la mabaka ana, li-microbead li fetohile motsoako o tloaelehileng lihlahisoa tse ngata tsa tlhokomelo ea motho. Lihlahisoa tse nang le li-microbeads li kenyelletsa litlolo tsa sefahleho, sesepa sa meno, li-moisturizer le litlolo, li-deodorants, li-sunscreens le lihlahisoa tsa litlolo.
Litšobotsi tse etsang li-microbeads li-exfoliants tse sebetsang le tsona li li etsa kotsi bakeng sa tikoloho. "Phello e tšoana le libotlolo tsa polasetiki le lipolasetiki tse ling tse kotsi tikolohong tse pshatloang ebe li lahleloa ka leoatleng."
Li-microbeads li kena joang maoatleng?
Likaroloana tsena tse nyenyane tsa polasetiki ha li qhibilihe metsing, ke kahoo li khonang ho ntša oli le litšila masobeng a letlalong. 'Me kaha li nyane haholo (ka tlase ho milimithara e le' ngoe), li-microbeads ha li sefshoe litsing tsa ho hloekisa metsi a litšila. Sena se bolela hore li qetella li le litseleng tsa metsi ka bongata bo boholo.
Ho ea ka phuputso e phatlalalitsoeng ke American Chemical Society koranteng ea Environmental Science & Technology, malapa a US a hlatsoa li-microbead tse 808 trillion letsatsi ka leng. Setsing sa ho tsosolosa, li-microbeads tse limilione tse 8 li qetella li le metsing. Sena se lekane ho koahela mabala a tenese a 300.
Le hoja boholo ba li-microbead tse tsoang limela tse sebelisoang hape li sa qetelle ka ho toba mehloling ea metsi, likotoana tse nyenyane tsa polasetiki li na le tsela e hlakileng eo qetellong e fellang linōkeng le matšeng. Li-microbeads tse setseng tse libilione tse 800 li qetella li le litšila, tseo hamorao li tšeloang e le manyolo joang le mobung, moo li-microbeads li ka kenang mehloling ea metsi ka ho phalla.
Li-microbeads li ka baka tšenyo e kae tikolohong?
Hang ha li se li le ka metsing, li-microbeads hangata li qetella li le teng ketane ea lijo, kaha hangata li lekana le mahe a tlhapi, e leng lijo bakeng sa liphoofolo tse ngata tsa metsing. Mefuta e fetang 2013 ea liphoofolo tsa leoatleng e fosa li-microbeads bakeng sa lijo, ho kenyeletsoa tlhapi, likolopata le matata, ho latela phuputso e 250.
Ha li jeoa, li-microbeads ha li hane feela liphoofolo tse nang le limatlafatsi tse hlokahalang, empa li ka boela tsa kena ka har'a tšilo ea lijo, ho baka bohloko, ho thibela ho ja, 'me qetellong ho lebisa lefung. Ho phaella moo, polasetiki e ka har’a libaha tse nyenyane haholo e hohela le ho monya lik’hemik’hale tse chefo, kahoo li chefo ho liphoofolo tse hlaha tse li jang.
Lefatše le sebetsana joang le bothata ba microbead?
Mokhoa o motle oa ho thibela tšilafalo ea li-microbead, ho latela phuputso e hatisitsoeng ke American Chemical Society, ke ho tlosa li-microbeads lijong.
Ka 2015, United States e ile ea fetisa thibelo ea tšebeliso ea li-microbead tsa polasetiki ka sesepa, sesepa sa meno le ho hlatsoa 'mele. Ho tloha ha Mopresidente Barack Obama a saenela molao, lik'hamphani tse kholo tse kang Unilever, Procter & Gamble, Johnson & Johnson le L'Oreal li itlamme ho felisa tšebeliso ea li-microbead lihlahisoa tsa bona, leha ho le joalo ha ho hlake hore na lihlahisoa tsohle li latetse boitlamo bona. .
Ka mor'a moo, litho tsa Paramente ea Brithani li ile tsa kōpa lihlahisoa tse nang le li-microbeads. Canada e fane ka molao o ts'oanang ho US, o neng o hloka hore naha e thibele lihlahisoa tsohle tse nang le li-microbeads ka la 1 Phupu 2018.
Leha ho le joalo, baetsi ba molao ha ba tsebe lihlahisoa tsohle tse nang le li-microbeads, ho theha lekhalo thibelong ea US e lumellang bahlahisi hore ba tsoele pele ho rekisa lihlahisoa tse nang le li-microbeads, ho kenyelletsa le li-detergents, lisebelisoa tsa sandblasting le litlolo.
Nka thusa joang ho loantša tšilafalo ea li-microbead?
Karabo e bonolo: khaotsa ho sebelisa le ho reka lihlahisoa tse nang le li-microbeads.
U ka itlhahloba hore na sehlahisoa se na le li-microbeads. Sheba lisebelisoa tse latelang holim'a leibole: polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), polymethyl methacrylate (PMMA), le nylon (PA).
Haeba u batla lihlahisoa tsa exfoliating, sheba li-exfoliants tsa tlhaho tse kang oats, letsoai, yoghurt, tsoekere kapa libaka tsa kofi. Ho phaella moo, o ka leka mokhoa o mong oa litlolo ho li-microbeads: lehlabathe la maiketsetso.
Haeba u se u ntse u e-na le lihlahisoa tse nang le li-microbeads ka tlung ea hau, u se ke ua li lahla feela - ho seng joalo li-microbeads tse tsoang sebakeng sa mobu li ntse li tla qetella li le ka har'a metsi. Tharollo e 'ngoe e ka khonehang ke ho li khutlisetsa ho moetsi.