UKarin Bornett
Eminyakeni engamashumi ayisithupha yekhulu leminyaka edlule, eyokuqala yaba ukwahlukanisa izinto kusuka kunwetshiwe polystyrene (I-EPS) ifakiwe. Izinhlelo zesistimu yokufakelwa kolimi yokuqala (i-ETICS) yesizukulwane sokuqala manje isisenkingeni yokuthi idinga ukulungiswa kabusha. Kepha ukuthi wenzeni ngamabhodi okufaka alahliwe? Ama-ETS alahlekile wokufaka we-EPS asetshisiwe noma alahlwa. Ukuphinda kusetshenziswwe kabusha akukwenzeki kuze kube manje. Kepha lokho sekuzoshintsha: eTerneuzen, eNetherlands, kwakhiwa imboni yokushayela kabusha izinto zokwakha ze-polystyrene. Ngomthamo wamathani we-3.000 ngonyaka, ukufakwa kwe-polystyrene yesikhathi esizayo kungaguqulwa kube kabusha kwekhwalithi ephezulu ye-polystyrene. Ukuvuselelwa kabusha kusetshenziswa njengendwangu eluhlaza yezinto zokwakha ezintsha zokufaka. Isitshalo sokushayela sihlelelwe ukusebenza nge-2019 yakamuva.
"Konke kuhlala kugeleza"
Lesi sitshalo sisetshenziswa uhlelo lwePolyStyreneLoop (i-PS Loop Initiative) ngosizo lwezezimali oluvela kwiKhomishini yaseYurophu. Kulesi sinyathelo, izinkampani ze55 eziqhamuka emazweni ase13 zihlelele ngendlela yokubambisana ngaphansi komthetho waseDashi. Kubandakanya iqembu lekhwalithi le-Austrian lezinhlelo zokufakelwa kwe-thermal (QG WDS) nomenzi Austrotherm, UClemens Hecht, okhulumela i-QG WDS: "Lolu hlelo lubaluleke kakhulu ngoba luvala ingxenye yokugcina yombuthano womnotho oyindilinga! Konke kuhlala emfuleni, akukho okulahlekile. "
Ngokubambisana neFraunhofer Institute IVV, iCroaCycle GmbH yathuthukisa inqubo yeCroaSolv, esetshenziswa eTerneuzen. Umgomo oyisisekelo "wokukhishwa okukhethiwe". Ngenqubo enelungelo lobunikazi, ukungcola nokungcola kuhlukaniswa izinqubo ezikhethekile zokuhlanza. Ngokusho kukanjiniyela, amandla akhethekile ale nqubo athola ukuhlanzwa kwezinto ezisezingeni le-molecule. Ukungcola okuthinta ikhwalithi (njengeglue) kususwa ngobunono ngenkathi kulondolozwa izakhiwo zepolymer. "Amapulasitiki asetshenziswe kabusha asuka ezingxenyeni ezingcolisiwe noma ezinhlanganisweni zezinto ezibonakalayo zibonisa izakhiwo zezinto eziyizintombi nto," kubhala iFraunhofer Institute lapho kuchazwa iCreaSolv ®. Kungasho futhi okucashunwe njengobuthi bomlilo obunobuthi hexabromocyclododecane (HBCD) futhi wasebenzisa futhi njenge-bromine. Yize i-HBCD ingasasebenzi kusukela nge-2015, isekhona kusitoko esidala. Austrotherm UMqondisi ophethe uGerald Prinzhorn: "Okwe-ETICS, ukubhidlizwa kanye nokwenza kabusha kabusha akusona isihloko esibalulekile. Izinto ezifakwayo zinesabelo esikhulu kunazo zonke sohlelo futhi ngakho-ke kufanele ziphinde zenziwe kabusha ngamaphesenti we-100. Umkhiqizo othengisiwe futhi obuyiselwe emuva ungasetshenziselwa imikhiqizo emisha ngemuva kwenqubo eshiwo futhi i-1: 1. "
Umkhakha Wezokwakha ubamba okuningi okungenzeka
Ngokwesifiso sokusimama, kepha kunezinye izindlela zokwenziwa ezihambelana nezinqubo ezivamile zokufakelwa kwe-thermal: uhlelo lokufakelwa lwe-façade olungenakho ngokuphelele ukunamathela okungenziwa kabusha ezingxenyeni zalo eziphambili lwakhiwa ngumenzi weSto ngokubambisana neGraz University of Technology. Lapho udiliza uhlelo, izingxenye zesistimu zingahlukaniswa futhi ziphinde zihlelwe kabusha. Ngoba izithako zikhuphuka esikhundleni se-glued. "Lobu buchwepheshe benza ukuthi uhlelo lwethu lokufakelwa okusha lwe-façade Sto Stoyystain-R lubuye lusetshenziswe kabusha futhi lusetshenziswe kabusha ezingxenyeni zalo eziphambili," kusho uWalter Wiedenbauer, onguMqondisi Ophethe weSto. "Lokhu kuyingqophamlando ekusimameni okungaguqula imboni."
Kwa-Greta Spider, okhulumela i- RepaNet - I-Re-Use & Repair Network yase-Austria, izinto ezintsha ezinjalo zamukelekile, kepha azifinyeleli ngokwanele: “I-RepaNet yamukela izindlela ezintsha zomnotho oyindilinga. Embonini yezokwakha ikakhulukazi, kusenokuningi okungenzeka lapha futhi iphrojekthi yokufakwa kwe-facade ngaphandle kokunamathela futhi ngokuhlukaniswa okungcono nokuvuselelwa kabusha intuthuko enhle ukusuka endaweni yokubuka yamanje. Isinyathelo esilandelayo kufanele kube ukuthi izinto zokufakwa zingasetshenziswa ngokuphelele, ngoba ezinye zezinsizakusebenza zihlala zilahleka ngesikhathi sokuphinda kusetshenziswe kabusha. "
Photo / Video: Ugogo.
