KUKAMBIRANA KWACHIFUPI PA MA PLA STRAWS|

CHIPANGIZO CHABWINO CHACHILENGEDWE, CHONGOFUNIKA “KUGWIRITSA NTCHITO BWINO” 

Wofalitsa: MVI ECO

2026/1/6

Nmasiku ano, ndikuyenda m'masitolo ogulitsa khofi, "Ma udzu ovunda a PLA"Sizilinso zachilendo. Anthu ambiri amakhala ndi kukayikira kotere akakumana ndi zinthu zotere:Chifukwa chiyani udzu wa PLA wolembedwa kuti "wowola" sumawola kwa nthawi yayitali ukaponyedwa m'chilengedwe?Kodi phindu lake lenileni ndi lotani pa chilengedwe? Ndipotu, makhalidwe a PLA pa chilengedwe si "chinyengo", koma ayenera kutengera chidziwitso cha sayansi ndi kugwiritsa ntchito koyenera. Lero, kuchokera ku lingaliro la mafakitale, tikambirana mwachidule za phindu lalikulu, malire ogwiritsira ntchito ndi mfundo zazikulu za kuwonongeka kwa ulusi wa PLA..

GAWO 1

Kodi PLA ndi chiyani? Alchemy Yamakono Yochokera ku Chilengedwe

PLA, mwachidule polylactic acid, ndi chinthu chomwe chimawola kuchokera ku zinthu zachilengedwe. Zinthu zake zopangira zimachokera ku mbewu za starch monga chimanga ndi chinangwa, zomwe zimasinthidwa kukhala zinthu za polima zamphamvu kwambiri kudzera mu kuwiritsa, kuyeretsa ndi kupolima, ndikupanga mzere wotsekedwa woyamba wa "kuchokera ku chilengedwe". Mosiyana ndi mapulasitiki achikhalidwe omwe amadalira mafuta, ubwino wake wobwezerezedwanso ndiye phindu lalikulu.

Malinga ndi deta yochokera ku China Plastics Processing Industry Association, kupanga tani imodzi ya PLA kungachepetse kugwiritsa ntchito mafuta ndi matani 2.1 ndi matani 3.2 a mpweya woipa wa carbon. Kuchepetsa mpweya kumeneku kumadziwika ndi misika yapadziko lonse, ndipo ndi chifukwa chachikulu chomwe makampani akuluakulu a tiyi wa mkaka m'nyumba amautengera ngati njira ina m'malo mwa udzu wa pulasitiki.

GAWO LACHIWIRI

Lonjezo: Kupita Patsogolo Kwenikweni kwa PLA Straws Offer

FChoyamba, amapereka chidziwitso chabwino.Ambiri amakumbukira mavuto omwe amakumana nawo ndi mapeyala a mapepala—ofewa komanso osalala mutatha kumwa kwa mphindi makumi awiri. Mapeyala a PLA amathetsa vutoli kwambiri. Ndi olimba, osakoma, ndipo amamveka ngati pulasitiki yachikhalidwe, zomwe zikutanthauza kuti "osamalira chilengedwe" sayeneranso kumveka ngati mgwirizano.

Chachiwiri, ali ndi mapeto omveka bwino asayansi.Pansi pa zabwinokupanga manyowa m'mafakitaleNgati zinthu zili bwino, njira ya PLA yowononga zinthu ndi yodziwika bwino. Malo apadera amapereka kutentha kosatha (55-70°C), chinyezi cholondola, ndi tizilombo toyambitsa matenda enaake. Pano,Masamba a PLAKawirikawiri zimagawikana kukhala carbon dioxide, madzi, ndi biomass mkati mwa masiku 90 mpaka 180, zomwe zimamaliza kuzungulira kuchokera ku chomera kubwerera kudziko lapansi.

Chofunika kwambiri, amasintha gwero.Kupanga tani imodzi ya PLA kungapulumutse matani awiri a mafuta ndikuchepetsa mpweya woipa wa carbon ndi matani oposa atatu. Izi zikuyimira njira yozungulira: kuyambira kukumba zinthu zakale mpaka kugwiritsa ntchito zomera zomwe zingabwezeretsedwenso chaka chilichonse.

GAWO LACHITATU

Malire Ogwiritsidwa Ntchito: Osati "Osawonongeka Padziko Lonse", Akufunika Kusintha Malo

Vuto lili bwino kwambiri pa “mikhalidwe yabwino kwambiri.”

Kusamvetsetsana kwakukulu pa PLA kumachokera ku kufananiza "kuwonongeka kwa zinthu zachilengedwe" ndi "kuwonongeka kulikonse". Zomwe zimatchedwa "zoyipa" zake kwenikweni ndi zolepheretsa zochitika:

Ponena za kutentha, kutentha kwa galasi la PLA ndi pafupifupi 50℃, kufewa mosavuta komanso kusokonekera pamene kutentha kukupitirira, koyenera zakumwa zoziziritsa kukhosi zokha. Mitundu yolimbana ndi kutentha kwambiri imafuna zinthu zosinthira, zomwe zimachepetsa mphamvu ya kuwonongeka ndi 10%-30%. Ponena za chilengedwe, kuwonongeka kwake kumadalira zomera zinazake mu ma composting a mafakitale, ndi kuzungulira kwa kuwonongeka kwa zaka zoposa 50 mu dothi lotentha bwino, ndipo mizinda yochepa yokha ya m'nyumba ili ndi malo akuluakulu ochizira. Ponena za mtengo, mtengo wamakono wa udzu wa PLA ndi 0.08-0.1 yuan, kuwirikiza katatu mpaka kasanu kuposa wa pulasitiki yachikhalidwe, ndipo mtengo ukuyembekezeka kutsika ndi zoposa 30% pambuyo pa kukulitsa mphamvu mu 2026.

GAWO LACHINAYI

Malingaliro Oyenera: Kodi Udzu wa PLA Ndi Chiyani Ndipo Si Uli Chiyani?

PMasamba a LA akuyimira ukadaulo wamtengo wapatali wosintha, koma si chipolopolo chamtengo wapatali. Ndi kiyi yomwe imagwira ntchito pokhapokha ngati ikugwirizana ndi loko—njira yogwirizana yokonzera zinyalala. Kwa Ogula: Awoneni ngati mtsinje wapadera wa zinyalala. Yang'anani satifiketi yodalirika yopangira manyowa (monga BPI) ndikutsatira malangizo am'deralo otayira zinyalala za chakudya kapena zobiriwira zomwe zimapita ku malo ogulitsira.

Kwa Makampani: Amaonetsa kuti kupanga zinthu zatsopano kokha sikukwanira. Mayankho okwanira amafunika kusintha kwa dongosolo: kapangidwe kabwino ka zinthu, maphunziro kwa ogula, komanso, chofunika kwambiri, kuyika ndalama mu zomangamanga zopangira manyowa.

GAWO V

Gawo Lofunika Kwambiri pa Kusintha kwa Chilengedwe

PLA si njira yabwino kwambiri yothetsera mavuto azachilengedwe, koma imaswa chidziwitso chakuti "chitetezo cha chilengedwe chiyenera kutaya chidziwitso" ndipo imapereka njira yotheka yosinthira pulasitiki. Kudzera mu kufalikira kwa udzu wa PLA, makampani ophikira zakudya m'nyumba amachepetsa zinyalala za pulasitiki ndi matani opitilira 120,000 pachaka, zomwe zimapangitsa kuti pakhale chidziwitso chosinthira magulu ena. Ndi kusintha kwa ukadaulo ndi malo, PLA ipitiliza kulimbitsa kusintha kwa chilengedwe, kukhala ngati mlatho wofunikira pakati pa zinthu zobiriwira zomwe zilipo komanso zamtsogolo.

Nkhani Zofanana:

Kusambira Kwambiri kwa Makampani|Msika wa $32 Biliyoni pofika chaka cha 2034: Kukwera Kwambiri kwa Bioplastic Packaging kuchokera ku "Green Concept" kupita ku "Commercial Mainstream"

Udzu wa Mapepala Singakhale Yankho Labwino Kwambiri, Koma Kodi Kubwerera ku Nthawi ya Pulasitiki Kungakhale Bwino?

 -Kumapeto-

 

 

 

 

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