Litšila tsa polasetiki ke bothata bo joaloe baka likhoholalikarolong tse ling tsa lefatše. Ha litho tsa polasetiki ha li bola habonolo habonolo, tšilafalo ea polasetiki e ka koahela linōka kaofela. Haeba e fihla leoatleng e qetella e le kholo haholoHo phaphamala litšila.
Ha e le mokoloto oa ho lokisa bothata ba tšilafalo ea polasetiki ea polasetiki e robalang letsatsi le moea ka nako e fetang ea lilemo, kapa e ntse e eketseha ka polasetiki e fetileng dintho tsa ho bola.
Hopampiri e phatlalalitsoengHa a le botsoali ba Amerika ba lik'hemik'hale tsa Amerika
Bo-rasaense ba sebelisa mokokotlo oa nyutlelie (nmr) le 'mala oa lik'hemik'hale oa tlhaho ho senola liphutulong tsa polasetiki, polymer.
Bio-e thehiloeng? Recyclable? Biodegradation? Tataiso ea hau ea polasetiki e tsitsitseng
Ka ho tsikillela ho phahama ha Agenda ea motho e mong le e mong le theknoloji ho phatlalatsa ka potlako, lefatše la Selatesta le fetoha. Mona ke seo o hlokang ho se tseba ka lisebelisoa tsa sejoale-joale tsa polasetiki - le lintho tse ferekanyang tse ferekanyang tse ferekanyang.
Tšusumetso ea polasetiki e bile kameho ea lefatše lohle.Hoo e ka bang lithane tse makholo a mane a li hlahise lefats'e ka selemo se seng le se seng, haLiperesente tse 79 tsa litšila tsohle tsa polasetiki li kileng tsa hlahisoa li felile li le holim 'a libaka tsa naha kapa tse litšila tikolohong ea tlhaho.
Empa ho thoe'ng ka lipolasetiki tse ncha, tse khothatsang haholoanyane - na li tla re thusa ho etsa phephetso ea litšila tsa polasetiki? Lipehelo tsa Bio-tse thehiloeng ho li-Biodgradadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadad
Re tla u isa ka mantsoe a mang a tloaelehileng a amanang le polasetiki e tsitsitseng le ho hlakola lintlha ka mor'a e mong le e mong.
Bioplastics - polasetiki e ipatileng kapa e entsoe ka biodegradadadadadradadadradadadradadradadadrate
Li-bioplastics ke polelo e sebelisoang ho bua ka polasetiki e thehiloeng ho Bio-Biodgradation, kapa ho lekana litekanyetso.
Ho fapana le polasetiki ea setso se entsoeng ho tsoa fesheneng e thehiloeng Fossil,Lipehelo tse thehiloeng ho Bio-li entsoe ka botlalo kapa ka karolo e itseng ho tsoa ho feedstock e nchae tsoang ho biomass. Hangata thepa e entsoeng ka mokhoa o tala ho hlahisa phepelo ena e nchafalitsoeng bakeng sa tlhahiso ena e nchafalitsoeng e kenyelletsa mahlaseli ana a polasetiki a kenyelletsang mahlaseli a poone le mafura a mangata le mafura a fapaneng. Hangata "bioplastic" le 'Liperese tsa Port Palastallic "hangata li sebelisoa ka mokhoa o fapaneng ka Sesypeople empa ha li bolele ntho e le' ngoe.
Lifoto tsa Biodegradadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadke polasetiki ka meaho e mengata e ncha e ka felloang ke libaktheria qetellong ea bophelo ba bona ka tlasa maemo a itseng a tikoloho. Ha se lipono tsohle tse tahiloeng e bio-pherekano ea bio-ea biodegradad ha sekepe se seng se entsoe ka masimo a fossil hantle.
Bio-e thehiloeng - Plastics e nang le likarolo tse hlahisitsoeng ho tloha biomass
Plastics e ipapisitse le bio-ba entsoe ka thepa e itseng kapa e tsoang ka ho felletseng ho biomass ho e-na le lisebelisoa tse tala tse ntle. Tse ling li biodegraphical empa tse ling ha li joalo.
Ka 2018, lithane tse limilione tse 2,61 tsa likete tse amanang le Bio-Bione,Ho latela setheo bakeng sa li-bioplastics le biolocompotes (IfBb). Empa seo se ntse se le ka tlase ho 1% ea 'maraka oa polasetiki ea lefatše. Ha tlhokeho ea polasetiki e ntse e tsoela pele ho hola, ho joalo ke tlhoko ea tharollo ea pokello ea sekepe e ntšetsang. Sepothotho se tloaelehileng se nang le sebopeho se ka nkeloa sebaka ka polasetiki ea ho tloha - lesela la bio-e lekanang. Sena se ka thusa ho fokotsa leoto la khabone la sehlahisoa sa pheletso ha litšobotsi tse ling tsa sehlahisoa - ho ts'oaroa ha eona. Ka mohlala, le ntse le tšoana.
Polyhydroxyalkanoate or PHA, is a common type of biodegradable bio-based plastic, currently used to make packaging and bottles, for example. Ho joalohlahisoa ke belisoa ke indasteri ha ngoana ea itseng a feptjoa tsoekere kapa mafuraho tsoa ho Feedstocks joalo kaBeets, cane ea tsoekere, poone kapa oli ea meroho. Empa li-haproducts tse sa batleheng,joalo ka oli ea litšila kapa mapolanka a lulang a le kamora ho etsa tsoekere, e ka sebelisoa e le mokhoa o mong oa ho etsa lintho tse ling, ho lokolla lijalo tsa lijo bakeng sa lits'ebetso tse ling.
Kaha tlholeho ea polasetiki e ntse e tsoela pele ho hola, batho ba bangata ba sekepe ba likete ba ile ba kena 'marakeng' me ba lokela ho sebelisoa e le bong
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Liketekete tse ling tse thehiloeng ho Bio-Bio-joalo ka, polasetiki e tlohele li na le likarolo tse tšoanang tsa lik'hemik'hale le thepa ea sekepe se tloaelehileng. Lijana tsena ha li bidegradation, 'me hangata li sebelisoa likopo tseo ho tsona ho neng ho le thata.
Pet e thehiloeng ho liphoofolo tse Bio-tse entsoeng ka karolo e 'ngoe e entsoeng ho tsoa ho moqapi oa Ethylene e fumanehang limela, e sebelisoa ho lihlahisoa tse ngata tse kanglibotlolo, li-interrine tsa koloi le elektroniki. Ha tlhoko ea bareki bakeng sa polasetiki e tsitsitseng haholoanyane e eketseha,Mmaraka oa polasetiki ena o lebelletsoe ho hola ka 10,8% ho tloha ka 2018 ho isa ho 2024, e leng teng selemo le selemo.
Plyproplene ea Bio-(PP) ke polasetiki e 'ngoe e ka sebelisoang ho etsa lihlahisoa tse kang litulo, lijana le lijana. Qetellong ea 2018,tlhahiso ea khoebo ea pp e thehiloeng ho bio e ipakile e etsahetse ka lekhetlo la pele,e e hlahise litšila le lioli tsa masala, tse kang oli e khaolang.
Biodegradable - polasetiki e etsang hore maemo a ikhethang a
Haeba polasetiki e sa tsamaellane, ho bolela hore e ka etsa lintho tse mpe tlas'a maemo a itseng a tikoloho le li-biobass, kapa methane, ho latela maemo a aparobic kapa a aaerobic. Biodegradation ha se sesupo sa litaba tse amanang le bio-litheolelo; Ho e-na le hoo, e hokahane le sebopeho sa limolek'hule tsa polasetiki. Leha lipontic tsa BiodegradadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadLifoto tse ling tsa biodegradadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadad.
Polelo ea biodegradadadadadadadadadadadadadadadadadadadadadadadadadadad e haella ho tloha ha e joaloScififiy ke Timescalekapa tikoloho ea ho bolaoa. Boholo ba polasetiki, esita le tse se nang liphiona, li tla fokola haeba li fuoa nako e lekaneng, hobane ho joalo lilemong tse makholo. Ba tla qhalana ka likotoana tse nyane tse ka sa bonahaleng leihlo la motho, empa le le teng hona joale e le microplastics tikolohong e potileng.Ho fapana le moo, polasetiki e ngata e tla tsamaisoa ka biodegrada e tla ba li-bi2, metsi le biomass haeba li fuoa nako e lekanengtlasa maemo a itseng a tikoloho. E Rea elelloa seoTlhahisoleseling e qaqilengabout how long a plastic takes to biodegrade, the level of biodegradation and required conditions should be provided to better evaluate its environmental credentials. Polasetiki e majabajaba, mofuta oa polasetiki ea Biodegrada, ho bonolo ho e lekola kaha e tlameha ho fihlela litekanyetso tse hlalositsoeng ho lokeloa ke lebitso.
Compostable – a type of biodegradable plastic
Compostable plastic is a subset of biodegradable plastic. Tlas'a maemo a bokhachane, e robeha ke likokoana-hloko ka co2, metsi le biomass.
Bakeng sa polasetiki ho netefatsoa e le ka manyolo, e tlameha ho fihlela litekanyetso tse itseng. Europe, seo se bolela seo hoNako ea libeke tse 12, polasetiki ea polasetiki e lokela ho tlosa lifitsoana ka tlase ho 2mmka boholo maemong a laoloang. E tlameha ho na le maemo a tlase a tšepe e le hore e se ke ea ntša mobu.
Lits'oants'o tsa Bokellaho hlokahala hore a romeloe setsing sa indasteri moo ho na le maemo a mocheso le a mongobomolemong oa ho netefatsa ho nyenyefatsa. Mohlala, mohlala, ke polymer ea moea e sebelisoang ho etsa mekotla ea litšila, linoelo tse lahliloeng le filimi ea ho sekamele lijalong tse mpe.
Polasetiki e robehang libakeng tse bulehileng tse kang ka tlung ea molomo hangata ha ho thata ho e etsa. Ka mohlala, phas, e lekana le bili empa ha e sebelisoa haholo ho tlohali theko e phahameng ho li hlahisa mme ts'ebetso ea lieha ebile e thata ho e bua. Leha ho le joalo ka mahatla a ntse a sebeletsa ho ntlafatsa sena, mohlala ka ho sebelisaLi-catalys tsa linomoro tsa nonyana- Ntho e thusang ho eketsa sekhahla sa karabelo ea lik'hemik'hale.
Recyclable - phetoho e sebelisitsoeng ho lihlahisoa tse ncha ka lihlahisoa tse ncha kapa mekhoa ea lik'hemik'hale
Haeba polasetiki e ea fumaneha, ho bolela hore e ka etsoa hape semela sa indasteri mme ea fetoha lihlahisoa tse ling tse sebetsang. Mefuta e Meholo ea Liphoofolo tse tloaelehileng e ka sebelisoa hape - mofuta o atileng haholo oa ho nchafatsa.Empa tlhahlobo ea pele ea lefatše ea litšila tsohle tsa polasetiki e kileng ea hlahisoaFumane hore ke 9% feela ea polasetiki e eketsehile ho tloha ha thepa eo e ile ea hlahisoa lilemong tse mashome a tšeletseng tse fetileng.
Mechagicling Recyclinge kenyelletsa ho shreding le ho qhibiliha polasetiki ea polasetiki le ho qhibilihisa le ho e fetola lipekere. Lipere tsena li sebelisoa e le thepa e tala ho etsa lihlahisoa tse ncha. Boleng ba polasetiki bo bobe nakong ea ts'ebetso; Ka hona sengoathoana sa polasetikie ka sebelisoa habonolo ka makhetlo a lekanyelitsoeng ea linakopele e se e sa rate thepa e tala. Polasetiki e ncha, kapa 'polasetiki ea morola Leha ho le joalo, lipolanete e nchafalitsoeng ka mokhoa o hlophisehileng ha li tšoanele merero eohle.
Polasetiki e nchafalitsoeng e ka nkela polasetiki ea Fora ea Mofumahatsana oa Mofumahatsana ho Thehatsang Lihlahisoa tse Ntle ho tlhahiso ea polasetiki e mecha
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Ho nchafala ha lik'hemik'hale, moo sekepe sa polasetiki se fetoloang ho meaho ebe se sebetsoa ka har'a li-blactus tsa boleng bo holimo bakeng sa polante e ncha le lik'hemik'hale, ke lelapa le lecha la lits'ebetso tse ntseng li eketseha. Hangata e kenyelletsa li-catalys le / kapa mocheso o phahameng haholo ho senya polasetiki lee ka sebelisoa ho mefuta e mengata ea litšila tsa polasetiki e bapisoang le ho nchafatsa mokhoa. Mohlala, lifilimi tsa polasetiki tse nang le likarolo tse ngata kapa tse ling tse litšila hangata li ke ke tsa sebelisoa ka mokhoa o hlophisehileng empa li ka sebelisoa ka kiti.
Lisebelisoa tse tala tse entsoeng ho tloha litšila tsa polasetiki ka mokhoa oa ho nchafatsa lik'hemik'hale ho ka sebelisoa hoPheta oli ea oli ea moroetsana ho thekeng bakeng sa tlhahiso ea lipolanete tse ncha tse phahameng.
E 'ngoe ea melemo ea mantlha ea ho khutlisa lik'hemik'hale ke hore ke mokhoa o ntlafatsang oo boleng ba polasetiki ha o sebelisoe joalo ka mefuta e mengata ea ho nchafatsa mesebetsi e mengata. Lebenkele le hlahisoang le ka sebelisoa ho etsa hore batho ba bangata ba sebelisoang ho kenyeletsa le lisebelisoa le lintho tsa bophelo ba bongaka le tsa bophelo bo botle moo ho nang le lits'ebeletso tsa polokeho ea sehlahisoa.
Nako ea poso: May-24-2022