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Wane abu ne zai iya maye gurbin filastik don hana cutarwa?

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Note: Ta hanyar sake zagayowar halittu, filastik da mutane suka kirkira zai koma ga mutane. Don haka waɗanne kayan aiki zasu iya maye gurbin robobi yadda yakamata?

Yau, matsalar filastik tana da girma a duk duniya. Ta hanyar sake zagayowar halittu, filastik da mutane suka kirkira zai koma ga mutane. Don haka waɗanne kayan aiki zasu iya maye gurbin robobi yadda yakamata? Wanda yake da sauqin ladabi shima yafi dacewa a dauke shi. Ba ina nufin zane ne da sauran kayan aiki ba.



Babu shi a halin yanzu.

1. Robobi masu lalacewa na yanzu suna zamba ne:

Wasu suna hada abubuwa kamar su sitaci da calcium carbonate a cikin polyethylene na gargajiya don rage adadin polyethylene. Wannan lalacewa gaba daya karya ce.

Filastik mai lalacewa na gaskiya wanda polylactic acid ya wakilta zai iya kaskantar da ƙasa da 5% a ƙarƙashin yanayin shara ta ƙasa. Kasancewa mai lalacewa yana buƙatar haɓakar haɓakar haɓakar acid mai ƙarfi ko ƙwarƙwara mai zafi mai zafi. Bugu da ƙari, albarkatun polylactic acid abinci ne, kuma samar da filastik daga abinci ita kanta babbar ɓata ce. Farashin polylactic acid shima yana da tsada sosai idan aka kwatanta da robobi na gargajiya.

Mahimmin gurɓataccen filastik shi ne cewa duk kayayyakin roba za a iya mayar da su zuwa tsarin zubar da shara don ƙonewa ko shara ko sake amfani da shi. Ba shi da ma'ana ga kayayyakin filastik na birane su zama masu lalacewa, kuma galibin kayayyakin filastik na birane ana iya mayar da su zuwa tsarin zubar da shara. Finafinan mulch na aikin gona (waɗanda galibi suna tsufa kuma suna ɓarna a cikin ƙasa tsawon shekaru 2 kafin a jefar da su) kuma ƙwayoyin roba masu wanki sune manyan dalilan gurɓatar filastik. Ba kwa son warware babbar matsalar babbar rikice-rikice, amma ku kalli sabani na biyu kuma ku bugi allon. Wannan daidai yake da ƙungiyar Bai Zuo da ke tuka jirgi mai zaman kansa tare da babbar motar ƙaura a Taron Kare Muhalli.

Lalacewar zubar da shara a kanta ba hanya ce mai dacewa ta zubar da robobi ba. Daidai zubar da robobi shine magance matsalar ƙone ƙonawa mara lahani cikin yanayin haɗuwa da kyau. Kamar dai yadda tattaunawa game da lalacewar cermet, enamel, gilashin da kayayyakin dutse gaba daya abin dariya ne.

2. A matsayin kayan da aka saba amfani dasu, farashin / nauyi / keɓewar aikin filastik ya rasa musanyawa.

Masaku na yau da kullun suna da tsada sosai kuma har yanzu suna buƙatar a saka su da robobi ko fenti don cimma matakin rufin roba.

Rufin takarda ba shi da talauci. Mafi yawan takaddun sadarwar abinci da ake amfani da su a masana'antar abinci suna da filastik ko kakin zuma. Tunda ana amfani da dukkan kayan roba, me zai hana a yi amfani da samfuran roba? Gurbatar aikin samar da takarda ba kadan bane.

Karfe, yumbu, enamel, gilashi, da dutse suna da nauyi sosai idan aka kwatanta da filastik. Ba a yarda da murfin gora da kayayyakin itace da kyar, kuma shayar da gora mai arha da kayan itace sun fi ƙarfin saduwa da bukatun. Farashin gora mai yawa da kayan itace tare da tallatawa mara ƙarfi ya tashi.

Wata matsala tare da roba, roba ta siliki da filastik.

3. Za'a iya raba kayan aiki zuwa kashi biyu masu zuwa: kayan karafa (karafa masu karafa, karafa mara nauyi, karafa masu daraja), kayan kayan karafa marasa sinadarai (siminti, gilashi, yumbu), kayan polymer (robobi, zaren roba) hadedde kayan. Abubuwa uku masu mahimmanci: ƙarfe, inorganic da polymer. Fa'idodin polymer sune nauyin haske, ƙarfi mai ƙarfi, aiki mai sauƙi, da nuna gaskiya. Wanne kayan abu kuke ganin za'a iya cimmawa?

Yawancin nau'ikan kayan aiki da yawa ba za a iya maye gurbin juna ba cikin sauƙi. Abubuwan da ke cikin abubuwan da ke tattare da asali yana tantance manyan kayan aikin. Za'a iya inganta aikin ta hanyar fasahar sarrafa kayan.

Lalacewar polymer lallai matsala ce. A halin yanzu, masu bincike suma suna aiki tuƙuru, amma ci gaban na tafiyar hawainiya. Don nan gaba, amfani da robobi za a sarrafa shi a wuraren da ba dole ba ne a yi amfani da robobi, amma har yanzu babu wata hanyar da za a maye gurbinsu a wasu wuraren da suka zama dole.
 
 
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