Amfani dakarfe tubeba wai kawai ya fi aminci ga mutane ba, har ma ya fi aminci ga muhalli. Amma me yasa muke faɗi haka?
Karfe Yana Sosai Maimaituwa
Sanin kowa ne cewa karfe shine abu mafi sake yin amfani da shi a duniya. A cikin 2014,86%An sake yin amfani da karfe, wanda ya wuce adadin takarda, aluminum, filastik da gilashi. Wannan na iya zama abin ban mamaki, amma idan kun yi la'akari da wasu abubuwa game da ƙarfe a ainihin lokacin, yana da ma'ana sosai:
Bisa kididdigar da Ellen MacArthur Foundation ta yi, kashi 14% na robobi ne kawai ake sake yin amfani da su a duniya. Sabanin haka, ƙimar dawo da takarda ta duniya shine 58%, kuma ƙimar dawo da ƙarfe shine 70% zuwa 90%. Babu shakka, adadin dawo da karfe shine mafi girma.
Me yasa karfe ya zama kayan aiki tare da mafi girman farfadowa? Akwai manyan dalilai da yawa:
1. Magnetism na karfe
Karfe shine abu mafi saukin sake fa'ida a duniya, musamman saboda maganadisu. Magnetism yana ba da sauƙi ga na'ura don raba tarkacen karfe, ta yadda kamfanonin kera motoci za su sami riba mai riba, saboda kasuwar zazzagewar karafa ta girma sosai.
2. Karfe yana da ban mamaki metallurgical Properties
Ɗaya daga cikin mafi girman fa'idodin ƙarfe a matsayin abu shine cewa ba zai ƙasƙanta ba idan aka sake amfani da shi. Wannan yana nufin cewa karfe da aka yi amfani da shi a kowane irin ƙarfin za a iya narke kuma a yi amfani da shi daga wannan samfurin zuwa wani ba tare da asarar aiki ba.
3. Wadancan albarkatu
Akwai hanyoyin da ake samun tarkacen karafa da yawa, wanda masana'antar ta kasu zuwa kashi uku:
Sharar gida - Wannan shine karfen da aka gano daga tsarin da ke faruwa a cikin masana'anta. Wannan ita ce hanyar da duk tsire-tsire na ƙarfe ke ɗauka, saboda duk kayan sharar gida ana sake amfani da su ta wata hanya.
Rushewar masana'anta - abubuwan da suka wuce gona da iri da aka bayar daga odar karfe mai yawa kuma an dawo dasu masana'anta don sake yin amfani da su. Sharar da ba a yi amfani da ita ba ta narke nan da nan kuma ta zama sabbin samfura.
Sharar da aka daina amfani da ita - wannan na iya fitowa daga tsofaffin kayayyaki, juji, ko ma sake amfani da kayan aikin soja da suka tsufa. Ana iya samar da sandunan ƙarfe guda huɗu daga kayan da aka goge daga motar.
4. Karfe da aka sake yin fa'ida yana da fa'idar muhalli
Karfe da aka sake fa'ida yana da fa'idar muhalli. Kowane ton na tarkacen karfen da ake amfani da shi don yin ƙarfe na iya rage tan 1.5 na carbon dioxide, tan 14 na taman ƙarfe da kilogiram 740 na kwal. A halin yanzu, muna dawo da kusan tan miliyan 630 na karafa a kowace shekara, kuma muna iya rage kusan tan miliyan 945 na carbon dioxide kowace shekara, fiye da 85%. Idan aka kwatanta da tsarin gargajiya ta yin amfani da tama da gawayi a matsayin albarkatun kasa, samar da kayayyakin karfe daga tarkace kawai yana cinye kusan kashi daya bisa uku na makamashi. Scrap kuma muhimmin danyen abu ne a cikin tsarin jujjuya wutar makera na gargajiya. Ƙara tarkace na iya ɗaukar ƙarfin da ya wuce gona da iri a cikin tsarin sarrafa karfe da sarrafa yanayin zafi a cikin tanderun.
Karfe ɗaya ne daga cikin kayan masana'antu na farko da aka sake fa'ida
Daidaitaccen tsari na kowane masana'antar karfe shine dawo da tarkace daga samar da sassan karfe. Masu masana'anta sun dade da sanin cewa karfe ba zai rasa wani ƙarfi ba idan aka narke shi da amfani da shi don wasu dalilai. Hatta gurɓatattun abubuwa kamar fenti da lalata ba za su yi tasiri ga ƙarfin ƙarfe ba. A shekarar 2020, masana'antar karafa za ta kwato isassun karfe daga motocin da aka yi amfani da su kadai don kera sabbin motoci miliyan 16. Ko da yake ana samar da biyu cikin kowane tan uku na sabon ƙarfe daga kayan da aka sake sarrafa su, har yanzu ya zama dole a ƙara ƙarafa na farko a cikin aikin. Dalili kuwa shi ne, yawancin motocin ƙarfe da gine-gine galibi suna da ƙarfi sosai kuma suna da tsawon rayuwa, yayin da buƙatun ƙarfe na duniya ke ci gaba da haɓaka.
A nan gaba, muna buƙatar haɓaka ingantaccen amfani da kayan ta hanyar haɓaka ƙirar samfura, tsarin masana'anta, haɓaka ci gaba mai dorewa da sake amfani da samfuran ta masu amfani, da tsawaita rayuwar kayan. Ta hanyar ɗaukar waɗannan matakan, za mu iya inganta ci gaban al'umma mai dorewa.
Yuantai Derun Karfe BututuƘungiya tana alfahari cewa muna yin namu namu don sa duniyarmu ta kasance mai tsabta. Muna ba da fifiko ga kayan da ke da sauƙin sake sarrafa su. Lokacin da muke aiki a cikin aikin, muna ba da fifiko ga kayan da aka sake fa'ida da sake yin fa'ida.
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Lokacin aikawa: Fabrairu-07-2023
