Kungani Akufanele Usebenzise Insipho Ye-Microbead

Izithombe zama-microbeads olwandle zingase zingajabulisi inhliziyo njengezithombe zezimfudu zasolwandle ezivaleleke kumasongo epulasitiki, kodwa lamapulasitiki amancane nawo anqwabelana emizileni yethu yamanzi futhi asongela ukuphila kwezilwane zasolwandle.

Ngabe ama-microbeads aphuma kanjani ensiphoni aye olwandle? Ngendlela engokwemvelo, ngemva kokugeza njalo ekuseni, lawa mapulasitiki amancane agezwa ngomsele. Futhi abezemvelo bangathanda kakhulu ukuthi lokhu kungenzeki.

Yini ama-microbeads?

I-microbead ucezu lwepulasitiki oluncane olungaba imilimitha elingu-1 noma elincane (cishe ubukhulu bekhanda likaphini).

Ama-Microbeads avame ukusetshenziswa njengama-abrasives noma ama-exfoliators ngenxa yokuthi izindawo zawo eziqinile ziwumsebenzi wokuhlanza ophumelelayo ongeke ulimaze isikhumba sakho, futhi awuncibiliki emanzini. Ngenxa yalezi zizathu, ama-microbead asephenduke isithako esivamile emikhiqizweni eminingi yokunakekelwa komuntu siqu. Imikhiqizo equkethe ubuhlalu obuncane ihlanganisa ukukhuhla ebusweni, umuthi wokuxubha amazinyo, izinto zokuthambisa nezithambisa, iziqedaphunga, izikhindi zelanga, nemikhiqizo yezimonyo.

Izimfanelo ezenza ama-microbeads ama-exfoliants asebenzayo nawo awenza abe yingozi emvelweni. "Umphumela ufana namabhodlela epulasitiki namanye amapulasitiki ayingozi emvelweni acutshungulwa bese aphonswa olwandle."

 

Ama-microbeads angena kanjani olwandle?

Lezi zingcezu ezincane zepulasitiki azincibiliki emanzini, yingakho zikwazi ukukhipha amafutha nokungcola ezimbotsheni ezisesikhumbeni. Futhi ngenxa yokuthi mancane kakhulu (angaphansi kwemilimitha elingu-1), ubuhlalu abancane abahlungwa ezindaweni zokuhlanza amanzi angcolile. Lokhu kusho ukuthi zigcina sezingena emanzini ngobuningi.

Ngokocwaningo olushicilelwe yi-American Chemical Society kujenali ye-Environmental Science & Technology, imindeni yase-US igeza ama-microbead ayizigidi eziyizinkulungwane ezingama-808 nsuku zonke. Embonini yokugaywa kabusha, ama-microbead angama-8 trillion agcina esezindleleni zamanzi. Lokhu kwanele ukumboza izinkantolo zethenisi ezingama-300.

Nakuba ama-microbead amaningi avela ezitshalweni ezigaywa kabusha engagcini ngokuqondile emithonjeni yamanzi, izingcezu zepulasitiki ezincane zinendlela ecacile egcina iphelela emifuleni nasemachibini. Ama-microbead asele angamathriliyoni angama-800 agcina eseludaka, kamuva olusetshenziswa njengomanyolo otshanini nasenhlabathini, lapho ama-microbeads angangena emithonjeni yamanzi ngokugeleza.

Ungakanani umonakalo ongenziwa ama-microbead endaweni ezungezile?

Uma isisemanzini, ama-microbeads ngokuvamile agcina eseketangeni lokudla, njengoba ngokuvamile elingana namaqanda ezinhlanzi, ukudla kwezilwane eziningi zasolwandle. Izinhlobo ezingaphezu kuka-2013 zezilwane zasolwandle zenza iphutha le-microbead njengokudla, okuhlanganisa izinhlanzi, izimfudu nama-gull, ngokocwaningo lwama-250.

Uma idliwe, ama-microbeads awagcini nje ngokuphuca izilwane izakhi ezibalulekile, kodwa angangena emgudwini wabo wokugaya, abangele ubuhlungu, avimbele ukudla, futhi ekugcineni aholele ekufeni. Ngaphezu kwalokho, ipulasitiki esemihlahleni encane iheha futhi imunce amakhemikhali anobuthi, ngakho anobuthi ezilwaneni zasendle eziwadlayo.

 

Umhlaba ubhekana kanjani nenkinga ye-microbead?

Indlela engcono kakhulu yokuvimbela ukungcoliswa kwama-microbead, ngokocwaningo olushicilelwe yi-American Chemical Society, ukususa ubuhlalu obuncane ekudleni.

Ngo-2015, i-United States yaphasisa ukuvinjelwa kokusetshenziswa kwama-microbeads epulasitiki ensipho, umuthi wamazinyo nokugeza umzimba. Selokhu uMengameli u-Barack Obama esayine umthetho, izinkampani ezinkulu ezifana no-Unilever, Procter & Gamble, Johnson & Johnson kanye no-L'Oreal bazibophezele ekuqedeni ukusetshenziswa kwe-microbead emikhiqizweni yabo, nokho akucaci noma zonke izinhlobo zilandele lesi sibopho. .

Ngemva kwalokho, amalungu ePhalamende laseBrithani acela imikhiqizo equkethe ubuhlalu obuncane. I-Canada ikhiphe umthetho ofanayo oya e-US, owawudinga izwe ukuthi livimbele yonke imikhiqizo enama-microbeads ngomhlaka-1 Julayi 2018.

Kodwa-ke, izishayamthetho aziqapheli yonke imikhiqizo equkethe ubuhlalu obuncane, okwenza kube nentuba ekuvinjweni kwase-US okuvumela abakhiqizi ukuthi baqhubeke nokuthengisa eminye imikhiqizo enobuhlalu obuncane, okuhlanganisa okokuhlanza, izinto zokuqhumisa isihlabathi, nezimonyo.

Ngingasiza kanjani ukulwa nokungcoliswa kwe-microbead?

Impendulo ilula: yeka ukusebenzisa nokuthenga imikhiqizo equkethe ama-microbeads.

Ungazihlolela ukuthi ngabe umkhiqizo uqukethe ubuhlalu obuncane. Bheka izithako ezilandelayo kule ilebula: i-polyethylene (PE), i-polypropylene (PP), i-polyethylene terephthalate (PET), i-polymethyl methacrylate (PMMA), inayiloni (PA).

Uma ufuna imikhiqizo yokukhipha umzimba, bheka ama-exfoliants emvelo njengama-oats, usawoti, iyogathi, ushukela, noma ikhofi. Ngaphezu kwalokho, ungazama enye indlela yezimonyo kuma-microbeads: isihlabathi sokwenziwa.

Uma usunayo imikhiqizo ene-microbeads endlini yakho, ungavele uyilahle - ngaphandle kwalokho ama-microbeads avela endaweni yokulahla imfucumfucu asazophelela emseleni wamanzi. Isixazululo esisodwa esingaba khona wukubuyisela kumenzi.

shiya impendulo