Ungcoliseko lomoya namanzi lusephakathi kweyona micimbi iphambili kwihlabathi liphela, nto leyo ebeka ubomi babantu esichengeni izinto ezibalulekileyo, imixokelelwane yokutya, kunye nokusingqongileyo.
Ungcoliseko lwamanzi ludla ngokuvela kwii-ion zesinyithi esinzima, ungcoliseko lwezinto eziphilayo olungenakuphikiswa, kunye neebhaktheriya—ungcoliseko oluyingozi nolunobungozi oluvela kwiinkqubo zamanzi amdaka namashishini angaboliyo ngokwendalo. Le ngxaki iyanda ngenxa yokwanda kwe-eutrophication yemizimba yamanzi okunokubangela iimeko ezilungileyo zokuba inani elikhulu leebhaktheriya lizale, nto leyo enokungcolisa ngakumbi kwaye ichaphazele kakubi umgangatho wamanzi.
Ungcoliseko lomoya luquka ikakhulu iikhompawundi ze-organic eziguquguqukayo (ii-VOC), ii-nitrogen oxides (i-NOx), ii-sulfur oxides (i-SOx), kunye ne-carbon dioxide (i-CO2).2) – ungcoliseko oluvela ikakhulu ekutshisweni kwamafutha efosili. Impembelelo yeCO22njengegesi yokutshisa umhlaba ibhalwe ngokubanzi, kunye nezixa ezinkulu ze-CO22ezichaphazela kakhulu imozulu yoMhlaba.
Kuye kwaveliswa uluhlu lwetekhnoloji kunye neendlela zokuphendula ezi ngxaki, kubandakanya ukufunxwa kwekhabhoni esebenzayo, ukuhluzwa kwe-ultrafiltration, kunye neenkqubo ze-oxidation eziphambili (ii-AOP) ezijolise ekusombululeni imiba yongcoliseko lwamanzi.
Ukusuka kwinkqubo yokufunxa i-VOCs, uza kufumanisa ukuba i-Columnar activated carbon yinxalenye ebalulekileyo kwaye isetyenziswa kakhulu kwiinkqubo zonyango ze-VOCs njenge-adsorbent media engabizi kakhulu.
Ikhabhoni esebenzayo, eyayisetyenziswa kakhulu kwimizi-mveliso ukususela ekupheleni kweMfazwe Yehlabathi yokuQala, phakathi kwiminyaka yoo-1970 yayiyeyona ndlela ikhethwayo yokulawula ungcoliseko lomoya lwe-VOCs ngenxa yokukhetha kwayo ukususa umphunga wezinto eziphilayo kwimijelo yegesi nokuba kukho amanzi.
Inkqubo yokufunxa i-carbon-bed eqhelekileyo—exhomekeke ekuvuseleleni iqela—inokuba yindlela esebenzayo yokufumana izinyibilikisi ngokwexabiso lazo lezoqoqosho. Ukufunxa kwenzeka xa umphunga we-solvent udibana ne-carbon bed uze uqokelelwe kumphezulu we-carbon osebenzayo onemingxuma.
Ukufunxwa kwekhabhoni kwibhedi yekhabhoni kuyasebenza kwimisebenzi yokubuyisela i-solvent kumanqanaba e-solvent angaphezu kwe-700 ppmv. Ngenxa yeemfuno zomoya kunye neekhowudi zomlilo, into eqhelekileyo ibikukugcina amazinga e-solvent engaphantsi kwe-25% yomda ophantsi wokuqhuma (LEL).
Ixesha lokuposa: Jan-20-2022