Inyanzvi itsva inopikira kuti inobatsira kusimbisa kuwedzera kwehuwandu.
Zvinhu zvose zvepurasitiki zvinoputirwa nemakodhi ekudzokorora matsva anobva mumhando ye resin yakashandiswa. PP's refin code code is 5, uye inodzokodzwa zvakare.
Iko yepasi rose PP yemari inokosha kune inodarika $ 80 biliyoni, maererano neTransparency Market tsvakurudzo, uye inotarisirwa kusvika $ 133.3 mabhiriyoni ne2023.
Kukosha kwePolpropropylene Recycling
Nzvimbo yakanyunguduka uye simba rePP inoita kuti ive imwe chete yepurasitiki yakashandiswa zvikuru muUnited Kingdom neUnited States, ine madhora anenge mabhiriyoni mashanu akabudiswa muna 2010 oga muUnited States. Asi maererano nePP yekugadzira uye kudzokorora mashizha anopiwa neAmerican Chemistry Council, PP ndeimwe yezvinhu zvishoma zvakashandurwa shure kwevatengi vemapurastiki, pachiyero chiri pasi apa 1 muzana yevashandisi vePP .
Nemhaka yehupenyu hwepfupi hwePP hwakagadziriswa, huwandu hwezvinhu izvi zvinopedzisira huri mumasitadhire semarara. IU.S. Environmental Protection Agency inoti inenge 20 muzana yemarara yakagadzirwa yakagadzirwa ine mamwe mapurasitiki anosanganisira PP.
Zvigadzirwa zvakaitwa nePP zvinononoka zvishoma nezvishoma mumigodhi uye zvinotora makore makumi maviri nemakumi matatu kusvika pakupedzisira zvakanyangarika. Izvi zvinokonzera kukanganisa kwakanyanya pane zvakatipoteredza. Zvinyorwa zvinoshandiswa mumapuritiki epurasitiki zvinogona kunge zvine uturu hwakadai semutungamiri uye cadmium. Zvidzidzo zvinoratidza kuti cadmium iri mune zvigadzirwa zvepurasitiki inokwanisa kuvhara purogiramu uye inogona kuva nemigumisiro yakaipisisa kune dzakawanda zvehupenyu.
Zvakare, kupisa kwema thermoplastics yakafanana nePP kunogona kubvisa dioxin uye vinyl chloride. Dambudziko iri rinokonzera kusvibiswa kwezvakatipoteredza kunokonzerwa nePP kunopisa nyaya yakakomba yekufunga.
Kudzokorora Polypropylene ndiyo nzira yakanakisisa inowanikwa yekugadzirisa iyi mamiriro nenzira eco-friendly uye ine mari.
Inonzi Polypropylene Recryption Process
Iyo nzira yekudzokorora inosanganisira matanho mashanu ekuunganidza, kusarudza, kuchenesa, kudzorerazve nekunyunguduka nekugadzira michina mitsva kubva muPP zvakare. Saka, matanho matatu ekutanga akafanana nekudzokororazve zvimwe zvinhu. Asi maviri ekupedzisira anotambudza. Muchikamu chekudzorera, hutachiwana hweP PP hwakagadzirirwa huri munzvimbo inoputika iyo yakanyungudutswa pa 4640F (2400C) uye inocheka mugranules. Izvo zvipfeko zvino zvakagadzirirwa kushandiswa mukugadzirwa kwezvinhu zvitsva. Kushandiswa kwemazuva ano magetsi kunoita kuti zvive nyore kumakambani kunyauka PP uye kuisa iyo mukugadzirwa kwezvinhu zvitsva.
Matambudziko uye Mikana muPoproprolene Recycling
Shingairo yekuvandudza PP yezvekugadzirisa zvinhu yakaramba iripo. Nextek Ltd., UK-based Plastic design uye yekugadzirisazve kambani yekutsvaga kambani uye wokupedzisira wekugadziriswa kwevashanduri vekutanga muna 2013, yakagadzira nzira itsva yekugadzirisa chikafu chezvokudya zvepuropropylene kuti ishandise zvakare muvharo rakapfigwa zvakare muchikafu chekudya.
Mamwe mapurasitiki epurasitiki, kunyanya PET , akavewo akagadzira nzira dzekugadzirisa zvekare zvekudya. Vakawanda vanofunga kuti ichi chinhu chikuru chekuvandudza mu polypropylenezve kudhinda mhizha uye chiyero che polypropylenezve kudhindwa chinotarisirwa kuwedzera nokukurumidza munguva yemberi iri mberi. INextek yakagadziridzwa inosanganisira matanho maviri.
Chikamu chekutanga chinosanganisira kunyunguduka PP mune inoda kusvika 250 Celsius (500 degrees Fahrenheit) kubvisa zvidhori zvakasvibiswa. Chikamu chechipiri uye chekupedzisira chinosanganisira kubvisa maserolekisi ekugara pasi pasi pekudzima nekusimbiswa kunenge 140 Celsius (280 Fahrenheit). Zvigadzirwa zvakaitwa zvinotevera izvi zvinogona kuenzaniswa nemhandara PP pachiyero kusvika 50 muzana. Asi chinetso chikuru che polypropylene kudzokorora zvakare kuwedzera chiyero chemapuropropylene zvakare zvakare uye panguva imwe chete kubvisa kutyisa kwekukanganisa kusina kukodzera kwePolpropylene.
Sezvataurwa pamusoro apa, iye zvino inenge 1 muzana yePP inoshandiswa zvakare. Kubudirira kwekugadzirwa kwekombiyuta itsva uye itsva kunobatsira chete kukurira dambudziko guru iri.
Muna July 2017, Proctor & Gamble vakataura kushamwaridzana nePureCycle Technologies pakuvaka PP yezvekugadzirisa miti muLawrence County, Ohio. Ichadzorerazve polypropylene kuti ive "mhandara-yakafanana nemhando." Pane chikonzero chikuru chisina kuchengetedzwa chekudzokorora polypropylene mumusika.
Maererano neChirungu chePlastics Recyclers (APR), pane chidimbu chemamiriyoni 1 mapaundi okushandurwa kwePP gore negore muNorth America chete; kusanganisira mamirioni 720 mapaundi e 'high-quality' akashandurwa zvakare PP. "
P & G yakagadzira teknolojia, iyo inopa chikwata kuPureCycle, kambani yepodfolio yeInventventure, Wasson Enterprise Partnership, yakagadzirirwawo kuChicago. Iyo yekutanga PureCycle yekudzokorora kushanda yakarongedzwa kutanga munaJanuary 2018. Ichaedza uye kuvhara hurongwa hwekushandura kwePP mushure mokuzarura simiti yakakwana yekugadzira muna 2020.