V. Ukubola kwakhona kweekomityi zephepha le-ayisikhrim
Iphepha le-pulp yomthi lingaphinda lisetyenziswe kwaye linokonakala. Oku kuphucula kakhulu ukuphinda lisetyenziswe kunye nokubola kwe-biogradeiikomityi ze-ayisikhrim.
Emva kwexesha elide lophuhliso, indlela eqhelekileyo yokubola iikomityi zephepha le-ayisikhrim yile ilandelayo. Kwiinyanga ezi-2, i-lignin, i-Hemicellulose kunye ne-cellulose zaqala ukuwohloka zaza kancinci kancinci zaba ncinci. Ukusuka kwiintsuku ezingama-45 ukuya kwezingama-90, ikomityi iphantse ibole ngokupheleleyo ibe ziisuntswana ezincinci. Emva kweentsuku ezingama-90, zonke izinto ziyanyibilika kwaye ziguqulwe zibe zizondlo zomhlaba nezityalo.
Okokuqala,Izinto eziphambili zeekomityi zephepha le-ayisikhrim yi-pulp kunye ne-PE film. Zombini ezi zinto zingaphinda zisetyenziswe. I-Pulp ingaphinda isetyenziswe ibe liphepha. Ifilimu ye-PE ingacutshungulwa kwaye yenziwe ezinye iimveliso zeplastiki. Ukuphinda kusetyenziswe kwakhona ezi zinto kunokunciphisa ukusetyenziswa kwezixhobo, ukusetyenziswa kwamandla, kunye nongcoliseko lokusingqongileyo.
Okwesibini,Iikomityi zephepha le-ayisikhrim zinokubola. I-Pulp ngokwayo yinto ephilayo ebola lula ziintsholongwane. Kwaye iifilimu ze-PE ezibolayo nazo zinokonakala ziintsholongwane. Oku kuthetha ukuba iikomityi ze-ayisikhrim zinokubola ngokwemvelo zibe ngamanzi, i-carbon dioxide, kunye nezinto eziphilayo emva kwexesha elithile. Ngoko ke, ngokusisiseko ayibangeli ungcoliseko kwindalo esingqongileyo.
Ukubola kwezinto eziphilayo ezinokuphinda zisetyenziswe kubaluleke kakhulu ekukhuseleni okusingqongileyo. Njengoko iingxaki zokusingqongileyo zehlabathi zisiya zisanda, uphuhliso oluzinzileyo luye lwaba yingxaki eqhelekileyo kuwo onke amacandelo oluntu.
Kwicandelo lokupakisha ukutya, izinto ezinokuphinda zisetyenziswe nezibolayo zezona ndlela ziza kulandelwa kuphuhliso lwexesha elizayo. Ke ngoko, ukukhuthaza izixhobo zokupakisha ukutya ezinokuphinda zisetyenziswe nezibolayo kubaluleke kakhulu kuphuhliso lweshishini kunye noshishino lokukhusela okusingqongileyo.