Izitsha zokudla ezivundiswa ngomquba ziyizixazululo zokupakisha eziqhubekayo ezenziwe ngezinto ezisekelwe ezitshalweni noma ezibolayo njenge-PLA (polylactic acid), i-baking yomoba, kanye nezinto ezisekelwe ku-cornstarch. Lezi zitsha zenzelwe ukuwohloka ngaphansi kwezimo zokwenza umquba ezimbonini.
Inani eliyinhloko: Izitsha ezifakwa umquba zinciphisa imfucuza yepulasitiki futhi zisekela izinhlelo zokupakisha ukudla eziqhubekayo zezindawo zokudlela, izindawo zokudla, kanye nezimboni zezinsizakalo zokudla.
Izitsha zokudla ezivundiswa ngomquba ziyimikhiqizo yokupakisha esetshenziswa kanye noma engalahlwa kancane engabola ibe yizinto zemvelo (amanzi, i-CO₂, i-biomass) ngaphansi kwezimo zokwenza umquba ngaphandle kokushiya insalela enobuthi.
Zisetshenziswa kabanzi njengendlela ehlukile yokupakisha ukudla kwepulasitiki kwendabuko ezinhlelweni zesevisi yokudla ezinobungani nemvelo.
Izinto zokwakha: I-PLA, i-bagasse (i-fibre yomoba), ingxube ye-cornstarch
Ukubola: Kudingeka izimo zokufaka umquba ezimbonini
Ukusetshenziswa: Ukupakisha ukudla okubandayo nokushisayo
Isicelo: Ukudla okudliwayo, ukudla, izindawo zokudlela ezingokwemvelo
Izitifiketi: EN13432, ASTM D6400 (kuyahlukahluka ngomkhiqizo)
Kunciphisa imfucuza yepulasitiki futhi kusekela izinhlelo zomnotho ojikelezayo.
Kwenziwe ngezinto ezisekelwe ezitshalweni ezifana nesitashi sommbila kanye nefayibha yomoba.
Izinto ezisezingeni lokudla ezifanele ukusetshenziswa kokuxhumana nokudla ngqo.
Yamukelwa kabanzi yimikhiqizo enakekela imvelo, izindawo zokudlela kanye nohulumeni.
Ihlangabezana nemikhawulo ekhulayo yomhlaba wonke kumapulasitiki asetshenziswa kanye kuphela.
Ukupakisha ukudla okuhambisana nemvelo
Isevisi yokudla yokudlela kanye nekhefi
Izinsizakalo zezindiza nezokupheka
Ukupakishwa kokudla kwemicimbi kanye nomkhosi
Ukudla okulungele ukudliwa ezitolo ezinkulu
Iziqukathi ze-PLA: Ukupakisha ukudla okubandayo okubonakalayo
Izitsha ze-Bagasse: Amathileyi okudla okushisayo aphephile kuma-microwave
Izitsha zesitashi sommbila: Ukupakisha okujwayelekile kwe-eco
Amabhokisi e-clamshell angakwazi ukugqunywa: Ukupakisha ukudla okusheshayo
Okungavundiswa: Okubolayo, okusekelwe ezitshalweni, okungavikeli imvelo
Ipulasitiki (PS/PET/PP): Ihlala isikhathi eside, ingaphinde isetshenziswe, futhi ibiza kancane
I-CPET: Ingafakwa kuhhavini kodwa ayikwazi ukugqunywa
Isekela ukubekwa komkhiqizo okuzinzile
Ihlangabezana nemithethonqubo yezemvelo
Kunciphisa umthelela wekhabhoni ekupakishweni
Kuthuthukisa umbono wamakhasimende nge-eco
Izinto eziningi zidinga izindawo zokulawula umanyolo ukuze zonakale ngokuphelele.
Kubiza kakhulu uma kuqhathaniswa nokupakishwa kwepulasitiki okuvamile.
Ezinye izitsha ze-PLA azifanele ukudla okushisa okuphezulu.
Kuyisitsha sokupakisha ukudla esenziwe ngezinto ezisekelwe ezitshalweni ezingaqhekeka zibe izakhi zemvelo ngaphansi kwezimo zokwenza umquba.
Zinobungani kakhulu nemvelo, kodwa zingase zibe nezindleko eziphakeme futhi zidinga ingqalasizinda yokwenza umquba.
Izitsha ezisekelwe kuma-bagasse zingaphatha ukudla okushisayo, kuyilapho i-PLA isetshenziswa kakhulu ekusetshenzisweni kokudla okubandayo.
Yebo, kodwa iningi lidinga izimo zokwenziwa komquba ezimbonini ukuze ziwohloke ngokuphelele phakathi nesikhathi esibekiwe.
Izitsha zokudla ezivundiswa ngomquba ziyizixazululo zokupakisha eziqhubekayo ezenzelwe ukuthatha indawo yokupakisha ukudla kwepulasitiki yendabuko. Zisetshenziswa kabanzi ezinhlelweni zesevisi yokudla ezinobungani nemvelo futhi zisiza ekunciphiseni umthelela emvelweni ngezinto ezibolayo kanye nezinsiza ezivuselelekayo.
Isigaba Somkhiqizo