Sau da yawa muna amfani da "roba" don kwatanta motsin zuciyar ƙarya, watakila saboda muna tunanin yana da arha, mai sauƙin cinyewa kuma yana kawo gurɓata.Amma ƙila ba za ku san cewa akwai nau'in filastik tare da ƙimar sake yin amfani da su sama da 90% a China ba.Ana ci gaba da amfani da robobin da aka sake sarrafa da kuma sake sarrafa su a fagage daban-daban.
Jira, me yasa filastik?
Filastik “karya” samfurin wucin gadi ne na wayewar masana'antu.Yana da arha kuma yana da kyakkyawan aiki.
A cewar wani rahoto na 2019, farashin kayan da aka yi a kowace tan na kwalabe na abin sha na No. 1 filastik PET resin bai kai dalar Amurka 1,200 ba, kuma nauyin kowace kwalban na iya zama ƙasa da gram 10, yana sa ya fi sauƙi kuma mafi tattalin arziki fiye da gwangwani na aluminum. na irin wannan iya aiki.
Ta yaya ake samun sake yin amfani da filastik?
A shekarar 2019, kasar Sin ta sake yin amfani da barasa tan miliyan 18.9 na robobi, tare da darajar sake yin amfani da su fiye da yuan biliyan 100.Idan aka yi su duka a cikin kwalabe na ruwan ma'adinai, za su iya ɗaukar lita biliyan 945 na ruwa.Idan kowane mutum ya sha lita 2 a rana, zai wadatar da mutanen Shanghai su sha tsawon shekaru 50.
Don fahimtar yanayin filastik, dole ne mu fara da samar da shi.
Filastik yana fitowa daga makamashin burbushin halittu kamar mai da iskar gas.Muna fitar da sinadarin hydrocarbons kamar su gas mai ruwa da nafita, kuma ta hanyar yanayin zafi mai zafi, muna “karya” dogayen sarƙoƙi na kwayoyin halitta zuwa gajerun sifofin kwayoyin halitta, wato, ethylene, propylene, butylene, da sauransu.
Ana kuma kiran su "monomers".Ta hanyar yin polymerization jerin nau'ikan ethylene monomers zuwa polyethylene, muna samun jug madara;ta hanyar maye gurbin wani ɓangare na hydrogen da chlorine, muna samun resin PVC, wanda ya fi girma kuma ana iya amfani dashi azaman ruwa da gas.
Filastik mai irin wannan tsarin reshe yana yin laushi lokacin zafi kuma ana iya sake fasalinsa.
Da kyau, ana iya yin laushi da kwalabe na abin sha da aka yi amfani da su kuma a canza su zuwa sabbin kwalabe na abin sha.Amma gaskiyar ba haka ba ce mai sauki.
Filastik suna da sauƙin gurɓata yayin amfani da tarawa.Haka kuma, robobi daban-daban suna da maki narke daban-daban, kuma haɗuwa bazuwar zai haifar da raguwar inganci.
Abin da ke magance waɗannan matsalolin shine fasahar rarrabuwa da tsaftacewa ta zamani.
Bayan an tara robobin da ke cikin kasarmu, a karye da tsaftace su, sai a ware su.Dauki rarrabuwar gani a matsayin misali.Lokacin da fitilun bincike da na'urori masu auna firikwensin suka bambanta robobi masu launi daban-daban, za su aika da sigina don fitar da su waje da cire su.
Bayan rarrabuwa, robobin na iya shiga tsarin tsarkakewa sosai kuma ya wuce ta wani wuri ko ɗaki mai ɗauke da iskar gas.A yanayin zafi da ke kusa da 220 ° C, ƙazanta a cikin robobi na iya yaduwa zuwa saman filastik kuma a cire su.
Ana iya riga an sake yin amfani da filastik cikin tsafta da aminci.
Musamman, kwalabe na filastik PET, masu sauƙin tattarawa da tsaftacewa, sun zama ɗaya daga cikin nau'ikan filastik tare da ƙimar sake yin amfani da su.
Baya ga sake yin amfani da rufaffiyar madauki, ana iya amfani da PET da aka sake yin amfani da su a cikin kwalayen kwai da ’ya’yan itace, da kuma abubuwan buƙatun yau da kullun kamar zanen gado, tufafi, akwatunan ajiya, da kayan rubutu.
Daga cikin su, an haɗa alkalan kwalban B2P daga jerin BEGREEN.B2P yana nufin kwalba zuwa alkalami.Siffar kwalbar ruwan ma'adinai ta kwaikwayi tana nuna "asalinsa": filastik PET da aka sake yin fa'ida kuma yana iya yin ƙima a wurin da ya dace.
Kamar alkalan kwalban PET, samfuran jerin BEGREEN duk an yi su ne daga robobin da aka sake sarrafa su.Wannan ƙaramin alkalami koren BX-GR5 an yi shi da kayan filastik 100% da aka sake fa'ida.An yi jikin alkalami da guduro na PC da aka sake yin fa'ida kuma an yi hular alƙalami da guduro PP da aka sake fa'ida.
Cikiyar da za ta iya maye gurbin ita ma tana kara tsawon rayuwar filastik kuma tana taimakawa rage sharar filastik.
Tushen alkalami yana da tsagi guda uku don tallafawa ƙwallon alƙalami, yana haifar da ƙaramin yanki mai jujjuyawa da rubutu mai laushi tare da ƙwallon alƙalami.
A matsayin ƙwararriyar alamar ƙirar alƙalami, Baile ba wai kawai yana kawo mafi kyawun ƙwarewar rubutu ba, har ma yana ba da damar filastik datti don hidimar marubuta ta hanya mai tsabta da aminci.
Har ila yau masana'antar robobin da aka sake fa'ida suna fuskantar ƙalubale saboda sarƙaƙƙiyar hanyoyin samar da kayayyaki: farashin samar da su ya fi na buɗaɗɗen robobi, kuma tsarin samar da shi ma ya fi tsayi.Kayayyakin B2P na Baile galibi ba sa hakowa saboda wannan dalili.
Koyaya, samar da robobin da aka sake fa'ida yana haifar da ƙarancin amfani da makamashi da hayaƙin carbon fiye da filastik budurwa.
Muhimmancin amfani da robobin da aka sake yin fa'ida ga halittun duniya ya wuce abin da kuɗi zai iya aunawa.
Lokacin aikawa: Oktoba-12-2023