Kodi mwamvapo chiyani za mapulasitiki omwe simunamvepo?
Zinthu zapulasitiki zomwe sizigwirizana ndi chilengedwe komanso zachilengedwe monga zopangidwa ndi mapepala ndi nsungwi zakopa chidwi cha anthu.Ndiye kuwonjezera pa izi, ndi zinthu ziti zatsopano zachilengedwe zomwe zilipo?
1) Mphepete mwa nyanja: yankho ku vuto la pulasitiki?
Ndi chitukuko cha bioplastics, udzu wam'nyanja wakhala m'malo mwabwino kwambiri m'malo mwazopaka zamapulasitiki.
Popeza kubzala kwake sikutengera zida zapamtunda, sikungapereke chilichonse pamikangano yanthawi zonse yotulutsa mpweya.Komanso, udzu wa m'nyanja sayenera kugwiritsa ntchito feteleza.Zimathandiza kubwezeretsa thanzi la chilengedwe chake chamadzimadzi.Sikuti ndi biodegradable, komanso compostable kunyumba, kutanthauza kuti safuna kuwonongedwa ndi mankhwala anachita m'mafakitale.
Evoware, woyambira ku Indonesia wokhazikika pakuyika, adapanga zotengera zofiira za algae zomwe zimatha mpaka zaka ziwiri komanso kudyedwa.Pakadali pano, makampani 200 omwe ali m'makampani azakudya, zodzoladzola komanso opanga nsalu akhala akuyesa malondawo.
Notpla yaku Britain yoyambira yapanganso mndandanda wazinthu zam'nyanja zam'madzi ndi zakumwa, monga matumba a ketchup omwe amatha kuchepetsa kutulutsa mpweya wa carbon dioxide ndi 68%.
Otchedwa oohos, amagwiritsidwa ntchito popanga zakumwa zofewa ndi masukisi, okhala ndi mphamvu kuyambira 10 mpaka 100 ml.Maphukusiwa amathanso kudyedwa ndikutayidwa mu zinyalala wamba zapakhomo ndikuwonongeka m'malo achilengedwe mkati mwa milungu isanu ndi umodzi.
2) Kodi coconut fiber ingapange miphika yamaluwa?
Foli8, wogulitsa zamagetsi ku mbewu zaku Britain, wakhazikitsa miphika yamaluwa yambiri yosawonongeka yomwe imapangidwa ndi coconut fiber komanso latex zachilengedwe.
beseni lopangidwa ndi zomerali silimangothandiza kuchepetsa kufalikira kwa chilengedwe, komanso ndi lopindulitsa kuchokera ku chikhalidwe cha horticultural.Monga tonse tikudziwa, miphika ya coconut chipolopolo imatha kulimbikitsa kukula kwa mizu.Zatsopanozi zimapewanso kufunika koyikanso miphika, chifukwa owumba akale amatha kuyikidwa m'miphika yayikulu ndikuchepetsa kuwonongeka kwa mizu.
Foli8 imaperekanso njira zobzala mabizinesi kumalo otchuka aku London monga Savoy, komanso malo ena apamwamba kwambiri padziko lonse lapansi ku UK.
3) Popcorn ngati zinthu zonyamula
Kugwiritsa ntchito ma popcorn ngati zoyikapo kumamveka ngati nthabwala ina yakale.Komabe, posachedwapa, ofufuza a ku yunivesite ya Gottingen apanga zinthu zotere zokhala ndi chilengedwe zomwe zimateteza zachilengedwe monga njira yochepetsera zachilengedwe ku polystyrene kapena pulasitiki.Yunivesiteyo yasaina pangano la layisensi ndi nordgetreide kuti igwiritse ntchito malonda ndi zinthu pamakampani opanga ma CD.
Stefan Schult, woyang'anira wamkulu wa nordgetreide, adanena kuti zopangira zomerazi ndi njira yabwino yokhazikika.Amapangidwa ndi zinthu zosadyedwa zomwe zimapangidwa kuchokera ku cornflakes.Mukatha kugwiritsa ntchito, imatha kupangidwanso popanda zotsalira.
"Njira yatsopanoyi imachokera ku teknoloji yopangidwa ndi mafakitale apulasitiki ndipo imatha kupanga mbali zosiyanasiyana zoumbidwa," adatero pulofesa Alireza kharazipour, wamkulu wa gulu lofufuza."Izi ndizofunikira makamaka poganizira zoyikapo chifukwa zimaonetsetsa kuti zinthu zikuyenda bwino komanso zimachepetsa zinyalala.Zonsezi zimatheka pogwiritsa ntchito zinthu zomwe zimatha kuwonongeka pambuyo pake. ”
4) Starbucks ikuyambitsa "slag pipe"
Monga malo ogulitsa khofi akulu kwambiri padziko lonse lapansi, Starbucks nthawi zonse yakhala patsogolo pamakampani ambiri ogulitsa panjira yoteteza chilengedwe.Tableware zotayidwa zopangidwa ndi zinthu zowonongeka monga PLA ndi pepala zitha kuwoneka m'sitolo.Mu Epulo chaka chino, Starbucks idakhazikitsa mwalamulo udzu wosawonongeka wopangidwa ndi PLA ndi malo a khofi.Akuti kuchuluka kwa biodegradation kwa udzu kumatha kupitilira 90% mkati mwa miyezi inayi.
Kuyambira pa Epulo 22, masitolo opitilira 850 ku Shanghai atsogola popereka "chitoliro cha slag" ichi ndipo akukonzekera kuphimba masitolo m'dziko lonselo mkati mwa chaka.
5) Coca Cola Integrated pepala botolo
Chaka chino, Coca Cola adayambitsanso kuyika botolo la pepala.Thupi la botolo la pepala limapangidwa ndi pepala la Nordic wood zamkati, lomwe ndi 100% yobwezeretsanso.Pali filimu yoteteza ya biodegradable biomaterials pakhoma lamkati la botolo la botolo, ndipo kapu ya botolo imapangidwanso ndi pulasitiki yosasinthika.Thupi la botolo limagwiritsa ntchito inki yokhazikika kapena zojambula za laser, zomwe zimachepetsanso kuchuluka kwa zinthu komanso zimakhala zokonda zachilengedwe.
Mapangidwe ophatikizika amalimbitsa mphamvu ya botolo, ndipo mawonekedwe a makwinya amawonjezeredwa ku theka lapansi la botolo kuti agwire bwino.Chakumwachi chidzagulitsidwa moyeserera pamsika waku Hungary, 250 ml, ndipo gulu loyamba lizikhala ndi mabotolo 2000 okha.
Coca Cola adalonjeza kuti akwaniritsa 100% yobwezeretsanso pakuyika pofika 2025 ndipo akukonzekera kukhazikitsa dongosolo pofika 2030 kuti awonetsetse kuti kupakidwa kwa botolo lililonse kapena chitini kusinthidwanso.
Ngakhale mapulasitiki owonongeka ali ndi "halo ya chilengedwe" yawo, akhala akukangana pamakampani.Mapulasitiki owonongeka akhala "okondedwa atsopano" kuti alowe m'malo mwa mapulasitiki wamba.Komabe, kuti mukhaledi ndi mapulasitiki owonongeka kwa nthawi yaitali, momwe mungathanirane ndi vuto la sayansi yowonongeka kwa zinyalala zomwe zimapangidwira pambuyo pa kugwiritsidwa ntchito kwakukulu kwa mapulasitiki owonongeka kudzakhala mfundo yofunika kwambiri yolepheretsa chitukuko chabwino ndi chokhazikika cha mapulasitiki owonongeka.Chifukwa chake, kukwezedwa kwa mapulasitiki owonongeka kuli ndi njira yayitali yopitira.
Nthawi yotumiza: Mar-12-2022