Gurbacewar iska da ruwa sun kasance daga cikin batutuwan da suka fi daukar hankali a duniya, suna jefa muhimman halittu, sarkar abinci, da muhallin da suka dace don rayuwar dan adam cikin hadari.
Gurbacewar ruwa takan samo asali ne daga ion ƙarfe mai nauyi, gurɓataccen gurɓataccen yanayi, da ƙwayoyin cuta-mai guba, gurɓataccen gurɓataccen ruwa daga hanyoyin masana'antu da ruwan sharar gida waɗanda ba sa ruɓawa ta zahiri. Wannan al'amari yana da yawa ta hanyar eutrophic na ruwa wanda zai iya haifar da yanayi mai kyau ga adadi mai yawa na ƙwayoyin cuta don haifuwa, ƙara gurɓatawa da kuma yin tasiri ga ingancin ruwa.
Gurbacewar iska ta kasance da farko tana ƙunshe da mahaɗan ma'adanai masu canzawa (VOCs), nitrogen oxides (NOx), sulfur oxides (SOx), da carbon dioxide (CO).2) – gurɓataccen gurɓataccen abu wanda da farko ya samo asali ne daga ƙonewar burbushin mai. Tasirin CO2kamar yadda aka yi rikodin iskar gas mai zafi, tare da adadi mai yawa na CO2yana tasiri sosai ga yanayin duniya.
An ƙirƙiri kewayon fasahohi da hanyoyi don amsa waɗannan batutuwa, gami da tallan carbon da aka kunna, ultrafiltration, da ingantattun hanyoyin oxidation (AOPs) da nufin magance matsalolin gurɓataccen ruwa.
Daga tsarin tallan VOCs, zaku ga cewa Columnar da aka kunna carbon wani sashi ne mai mahimmanci kuma sanannen da ake amfani dashi akan tsarin jiyya na VOC azaman kafofin watsa labarai masu inganci masu tsada.
Carbon da aka kunna, a cikin amfani da masana'antu da yawa tun daga ƙarshen Yaƙin Duniya na ɗaya, ya kasance a tsakiyar 1970s zaɓin da aka fi so don sarrafa gurɓataccen iska na VOCs saboda zaɓin sa na cire tururin kwayoyin halitta daga rafukan iskar gas ko da a gaban ruwa.
Tsarin tallan gadon carbon na al'ada-wanda ya dogara da sabuntawar ƙungiyar—na iya zama ingantacciyar dabara don dawo da kaushi don ƙimar tattalin arzikinsu. Adsorption yana faruwa ne lokacin da tururi mai narkewa ya shiga hulɗa da gadon carbon kuma an tattara shi akan filin carbon da aka kunna.
Tallace-tallacen gado na Carbon yana da tasiri a ayyukan dawo da kaushi a yawan ƙarfi sama da 700 ppmv. Saboda buƙatun samun iska da lambobin kashe gobara, al'adar al'ada ita ce kiyaye yawan ƙarfi ƙasa da kashi 25% na ƙananan fashewa (LEL).
Lokacin aikawa: Janairu-20-2022