Ukungcoliswa komoya namanzi kuseyizinto ezibaluleke kakhulu emhlabeni wonke, okubeka izimiso zemvelo ezibalulekile, izintambo zokudla, kanye nendawo ezungezile edingekayo empilweni yabantu engozini.
Ukungcola kwamanzi kuvame ukubangelwa ama-ion ensimbi esindayo, ukungcola okungokwemvelo okungaphili kahle, kanye nama-bacteria—ukungcola okunobuthi, okuyingozi okuvela ezinqubweni zezimboni kanye namanzi angcolile angaboli ngokwemvelo. Le nkinga ikhuliswa ukuntuleka kwamanzi emzimbeni okungaholela ezimweni ezinhle zokuba inani elikhulu lama-bacteria lizale, okuqhubeka nokungcolisa futhi kuthinte kabi ikhwalithi yamanzi.
Ukungcoliswa komoya kuqukethe ikakhulukazi ama-volatile organic compounds (VOCs), ama-nitrogen oxides (NOx), ama-sulfur oxides (SOx), kanye ne-carbon dioxide (CO2).2) – ukungcola okuvela kakhulu ekushisweni kwamafutha emvelo. Umthelela we-CO22njengegesi yokushisa i-greenhouse kuye kwabhalwa kabanzi, kanye nenani elikhulu le-CO22okuthinta kakhulu isimo sezulu soMhlaba.
Kuye kwasungulwa ubuchwepheshe nezindlela ezahlukahlukene ukuze kuxazululwe lezi zinkinga, okuhlanganisa ukumuncwa kwekhabhoni esebenzayo, ukuhluzwa kwe-ultrafiltration, kanye nezinqubo ze-oxidation ezithuthukisiwe (ama-AOP) ezihlose ukubhekana nezinkinga zokungcoliswa kwamanzi.
Kusukela ohlelweni lokumunca i-VOCs, uzothola ukuthi i-Columnar activated carbon iyingxenye ebalulekile futhi isetshenziswa kakhulu ezinhlelweni zokwelapha ze-VOCs njengemidiya yomunca i-adsorbent engabizi kakhulu.
Ikhabhoni esebenzayo, eyayisetshenziswa kabanzi ezimbonini kusukela ekupheleni kweMpi Yezwe I, maphakathi nawo-1970 yayiyindlela ekhethwayo yokulawula ukungcoliswa komoya kwama-VOC ngenxa yokukhetha kwayo ekususeni umusi wezinto eziphilayo emifuleni yegesi ngisho nalapho kukhona amanzi.
Uhlelo olujwayelekile lokumunca umbhede wekhabhoni—oluthembele ekuvuseleleni iqembu—lungaba yindlela ephumelelayo yokuthola izinyibilikisi ngenani lazo lezomnotho. Ukumunca kwenzeka lapho umusi we-solvent uhlangana nombhede wekhabhoni bese uqoqwa ebusweni bekhabhoni esebenzayo enezimbobo.
Ukumuncwa kwekhabhoni kuyasebenza emisebenzini yokubuyisa i-solvent ekugxilweni kwe-solvent okungaphezu kuka-700 ppmv. Ngenxa yezidingo zokungenisa umoya kanye namakhodi omlilo, umkhuba ojwayelekile ube ukugcina amazinga e-solvent angaphansi kuka-25% womkhawulo ophansi wokuqhuma (LEL).
Isikhathi sokuthunyelwe: Jan-20-2022