Izikhwama zepulasitiki seziyingxenye ebalulekile yokuphila kwansuku zonke, ukulula kwazo kanye nezindleko eziphansi kuzenza zibe ukukhetha okuhle kwabaningi. Kodwa-ke, le nduduzo iza nentengo ephezulu emhlabeni wethu. Ukusetshenziswa kabanzi kwezikhwama zepulasitiki kuholela ezinkingeni ezinkulu zemvelo. Kulesi sihloko, sizobheka ukuthi kanjaniisikhwama sepulasitiki esinamathelisiwekuthinta imvelo, kungani kudingeka ukucabangela ezinye izindlela, nokuthi yiziphi izinyathelo ezingathathwa ukunciphisa umonakalo emvelweni.
Inqubo yokwenza izikhwama zepulasitiki kanye nomthelela wazo
Ukukhiqizwa kwezikhwama zepulasitiki kuqala ngokusetshenziswa kukawoyela negesi yemvelo, okungewona nje kuphela imithombo engavuseleleki kodwa futhi kungumthombo wokukhishwa okukhulu kwe-carbon dioxide. Enye yezingxenye eziyinhloko zezikhwama zepulasitiki yi-polyethylene, eyakhiwa yi-polymerization ye-ethylene. Le nqubo ivame ukuhambisana nokukhishwa kwezinto ezinobuthi ezithinta ikhwalithi yomoya kanye nempilo yabantu.Isikhwama sepulasitiki se-laminatefuthi kudinga izinqubo zamakhemikhali ezengeziwe zokufaka i-lamination, okwandisa umthelela omubi emvelweni. Njengoba umkhiqizo ukhula, izindlela ezihlala isikhathi eside noma ezinye izinto kumele zifunwe.
Ukuvuselela nokuvuselela izikhwama zepulasitiki
Izikhwama zepulasitiki ezingasetshenziswa kabusha zingaguqulwa zibe imikhiqizo emisha, kodwa akuzona zonke izikhwama ezidalwe zilingana. Izikhwama ezifakwe i-laminate, isibonelo, zenza ukuphinda kusetshenziswe kabusha kube nzima ngoba ziqukethe izendlalelo eziningi zepulasitiki nezinye izinto. Uma ukuphinda kusetshenziswe kungenzeki, izikhwama zigcina zisendaweni yokulahla udoti, lapho zingathatha khona amakhulu eminyaka ukubola. Eziningi zalezi zikhwama zigcina ziselwandle, zilimaze impilo yasolwandle futhi zidale lokho okubizwa ngokuthi “iziqhingi zikadoti.” Isixazululo esingaba khona ukusebenzisa izinhlelo ezingcono zokuqoqa imfucuza yezimboni kanye nokuvuselela kabusha nokukhuthaza ukusetshenziswa kwezinto ezibolayo.
Umthelela wezikhwama zepulasitiki ezitshalweni nasezilwaneni
Izilwane zivame ukuphambanisa izikhwama zepulasitiki nokudla, okungaholela ekufeni. Izimfudu, imikhomo, nezinyoni zasolwandle zonke zihlushwa ukuminyana, ukubhajwa, kanye nokulimala kwesistimu yokugaya ukudla. Izikhwama zepulasitiki, uma zikhishwa ezindaweni zemvelo, zingakhipha namakhemikhali anobuthi angcolisa amanzi nomhlabathi, okuthinta nezilwane. Ukungcola okusabalele kunegalelo ekubhujisweni kwezindawo zemvelo kanye nokulahlekelwa yizinhlobonhlobo zezinto eziphilayo. Ukuvikela imvelo kudinga imizamo eqondiwe yokunciphisa ukusetshenziswa kwezinto ezinjalo nokuvikela izilwane emiphumeleni yemfucuza yepulasitiki.
Izinto ezihlukile kanye nezinzuzo zazo
Izinto ezingase zithathelwe indawo izikhwama zepulasitiki zifaka iphepha, indwangu, kanye nezikhwama ezibolayo. Lezi zixazululo zisiza ekunciphiseni umthwalo ezindaweni zemvelo. Isibonelo, izikhwama zephepha zenziwe ngezinsiza ezivuselelekayo futhi zingabola ngokwemvelo. Izikhwama zendwangu zinikeza ukusetshenziswa okuhlala isikhathi eside, kunciphisa isidingo sezikhwama ezisetshenziswa kanye. Izikhwama ezibolayo, ezenziwe ngezinto ezifana ne-cornstarch, zinikeza ikhambi eliqhubekayo enkingeni yepulasitiki emvelweni. Ukusebenzisa ezinye izindlela ezinjalo ezinobungani nemvelo kunganciphisa imfucuza futhi kunciphise umthelela omubi emvelweni.
Izinyathelo zezepolitiki nezomphakathi zokunciphisa ukusetshenziswa kwezikhwama zepulasitiki
Eminyakeni yamuva nje, ohulumeni abaningi baqale ukwethula imikhawulo ekusetshenzisweni kwezikhwama zepulasitiki. Izinqubomgomo zisukela ezinteleni nasezinkokhelweni kuya ekuvinjelweni ngokuphelele kwezikhwama zepulasitiki ezincane. Lezi zinyathelo zihlose ukunciphisa ukusetshenziswa kabanzi kwepulasitiki futhi zikhuthaze ukusetshenziswa kwezixazululo ezinobungani nemvelo. Imizamo yomphakathi nayo idlala indima ebalulekile: imikhankaso yokufundisa umphakathi, izinhlelo zokuvuselela kabusha kanye nezinhlelo zokuhlukanisa imfucuza zisiza ekushintsheni isimo sengqondo somphakathi ngalezi zinto ezihlala isikhathi eside. Ukunakekela imvelo kuqala kithina ngamunye: ukuyeka ipulasitiki esetshenziswa kanye kuzosiza ekwenzeni umhlaba wethu ube indawo ehlanzekile.
Indlela Ongasiza Ngayo: Amathiphu Awusizo
Ukuthatha isinyathelo sokubhekana nenkinga yezikhwama zepulasitiki kuqala ngezinyathelo ezilula kodwa ezisebenzayo. Zama ukusebenzisa izikhwama ezingasetshenziswa kabusha uma uyothenga. Phinda usebenzise imikhiqizo yepulasitiki noma nini lapho kungenzeka, okunciphisa imfucuza. Sekela izinhlobo nezinkampani ezisebenza ngenkuthalo ukunciphisa ukusetshenziswa kwazo kwezinto zepulasitiki, zisebenzise amathuba emfundo, futhi uhlanganyele ezinhlelweni eziluhlaza emphakathini wakho. Futhi nazo zonke izinzuzo zokusebenzisa izinketho eziluhlaza, njengeisikhwama sepulasitiki esinamathelisiwe, singaba negalelo elikhulu ekuvikeleni imvelo.
Isikhathi sokuthunyelwe: Agasti-23-2025
