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Ngenxa yokunqongophala kwezixhobo zonyango zeoksijini zokunyanga izigulane zeCovid-19 kweli lizwe, i-Indian Institute of Technology eBombay (IIT-B) yaseka isityalo sokubonisa ukuguqula iijenereyitha ze-nitrogen ezikuyo yonke iIndiya ngokulungisa isityalo se-nitrogen esele sikhona esimiselwe njengejenereyitha ye-oxygen.
Ioksijini eveliswe sisityalo kwilebhu ye-IIT-B ivavanyiwe kwaye yafunyaniswa ukuba icocekile ngama-93-96% kuxinzelelo lwe-atmospheres eziyi-3.5.
Iijenereyitha zenitrogen, ezithatha umoya emoyeni zize zahlule ioksijini kunye nenitrogen ukuze zivelise initrogen engamanzi, zinokufumaneka kumashishini ahlukeneyo kuquka ioyile negesi, ukutya neziselo. Initrogen yomile kwaye isetyenziswa kakhulu ekucoceni nasekucoceni iitanki zeoyile negesi.
UNjingalwazi Milind Etri, uSihlalo woBunjineli boMatshini, i-IIT-B, kunye neTata Consulting Engineers Limited (TCE) baveze ubungqina bengcamango yokuguqulwa ngokukhawuleza kwesityalo se-nitrogen sibe sisityalo se-oxygen.
Isityalo se-nitrogen sisebenzisa iteknoloji ye-pressure swing adsorption (PSA) ukufunxa umoya okwimo yomoya, sihluze ukungcola, size sibuyisele i-nitrogen. I-oxygen ikhutshwa kwakhona emoyeni njengemveliso ephumayo. Isityalo se-nitrogen sinamacandelo amane: i-compressor yokulawula uxinzelelo lomoya olungenayo, isitya somoya sokucoca ukungcola, iyunithi yamandla yokwahlulahlula, kunye nesitya se-buffer apho i-nitrogen eyahlukileyo iya kunikwa kwaye igcinwe khona.
Amaqela e-Atrey kunye ne-TCE acebise ukutshintsha izihluzo ezisetyenziselwa ukukhupha i-nitrogen kwiyunithi ye-PSA ngezihluzo ezinokukhupha i-oxygen.
“Kwisityalo esine-nitrogen, uxinzelelo lomoya luyalawulwa luze lucocwe kwiingcola ezifana nomphunga wamanzi, ioyile, i-carbon dioxide kunye nee-hydrocarbons. Emva koko, umoya ocociweyo ungena kwigumbi le-PSA elixhotyiswe ngee-carbon molecular seeves okanye izihluzi ezinokwahlula i-nitrogen kunye ne-oxygen. Sicebisa ukuba kutshintshwe isihluzo ngesihluzo esinokuhlukanisa i-oxygen,” utshilo u-Etry, ingcali kwi-cryogenics kunye nomlawuli wophando nophuhliso kwi-IIT-B.
Iqela litshintshe ii-carbon molecular seeves kwi-PSA nitrogen plant ye-Institute's Refrigeration and Cryogenics Laboratory ngee-zeolite molecular seeves. Ii-Zeolite molecular seeves zisetyenziselwa ukwahlula i-oxygen emoyeni. Ngokulawula izinga lokuhamba kwe-flow kwinqanawa, abaphandi bakwazile ukuguqula i-nitrogen plant ibe yi-oxygen production plant. Iinjineli zeSpantech, umenzi we-PSA nitrogen kunye ne-oxygen plant yesixeko, bathathe inxaxheba kule projekthi yovavanyo kwaye bafake izixhobo zesityalo ezifunekayo kwi-block form kwi-IIT-B ukuze zivavanyelwe.
Le projekthi yovavanyo ijolise ekufumaneni izisombululo ezikhawulezayo nezilula zokusombulula ingxaki yokunqongophala kweoksijini ngokukhawuleza kwiindawo zempilo kulo lonke ilizwe.
U-Amit Sharma, uMlawuli oyiNtloko we-TCE, uthe: “Le projekthi yovavanyo ibonisa indlela isisombululo esitsha sokuvelisa ioksijini engxamisekileyo sisebenzisa iziseko ezikhoyo ezinokunceda ngayo ilizwe ukuba likwazi ukumelana nengxaki ekhoyo.”
“Kusithathe malunga neentsuku ezintathu ukuxhobisa kwakhona. Le yinkqubo elula enokugqityezelwa ngokukhawuleza kwiintsuku ezimbalwa. Izityalo zenitrogen kulo lonke ilizwe zingasebenzisa obu buchwepheshe ukuguqula izityalo zazo zibe zizityalo zeoksijini,” utshilo uEtry.
Olu phononongo lovavanyo, olubhengezwe ngoLwesine kusasa, lutsale ingqalelo yabezopolitiko abaninzi. “Sifumene umdla kumagosa karhulumente amaninzi kungekuphela nje eMaharashtra kodwa kulo lonke ilizwe malunga nendlela oku okunokwandiswa ngayo kwaye kuphunyezwe ngayo kwizityalo ze-nitrogen ezikhoyo. Okwangoku sihlengahlengisa inkqubo yethu ukunceda izityalo ezikhoyo ukuba zisebenzise le modeli.” wongeze watsho u-Atrey.