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Ebe ọ bụ na e nweghị ihe ndị na-enye oxygen ọgwụ iji gwọọ ndị ọrịa Covid-19 na mba ahụ, ụlọ ọrụ India Institute of Technology Bombay (IIT-B) hiwere ụlọ ọrụ ngosi iji gbanwee ihe ndị na-enye nitrogen dị na India niile site n'ịhazi ụlọ ọrụ nitrogen dị ugbu a nke e guzobere dị ka ihe na-enye oxygen.
A nwalere ikuku oxygen nke ụlọ ọrụ ahụ mepụtara n'ime ụlọ nyocha IIT-B ma chọpụta na ọ dị ọcha site na 93 ruo 96% na nrụgide nke ikuku 3.5.
A na-ahụ ihe ndị na-emepụta nitrogen, bụ́ ndị na-ebuga ikuku site na ikuku ma kewapụ oxygen na nitrogen iji mepụta nitrogen mmiri, n'ọtụtụ ụlọ ọrụ dị iche iche, gụnyere mmanụ na gas, nri na ihe ọṅụṅụ. Nitrogen kpọrọ nkụ n'okike, a na-ejikarị ya ehicha ma hichaa tankị mmanụ na gas.
Prọfesọ Milind Etri, Onyeisi nke Injinịa Mekaniki, IIT-B, ya na Tata Consulting Engineers Limited (TCE) gosipụtara ihe akaebe nke echiche maka mgbanwe ngwa ngwa nke osisi nitrogen ka ọ bụrụ osisi oxygen.
Osisi nitrogen na-eji teknụzụ pressure swing absorption (PSA) iji mikpuo ikuku dị n'ime ikuku, hichaa ihe ndị na-adịghị ọcha, wee weghachite nitrogen. A na-ewepụta oxygen n'ime ikuku dị ka ihe na-esi na ya pụta. Osisi nitrogen nwere ihe anọ: compressor iji chịkwaa nrụgide ikuku oriri, akpa ikuku iji sachapụ ihe ndị na-adịghị ọcha, ngwa ike maka nkewa, na akpa nchekwa ebe a ga-enye ma chekwaa nitrogen kewapụrụ.
Ndị otu Atrey na TCE tụrụ aro ka e jiri nzacha ndị nwere ike iwepụta oxygen dochie nzacha e ji ewepụta nitrogen na PSA unit.
"N'ime ụlọ ọrụ nitrogen, a na-achịkwa nrụgide ikuku wee sachapụ ya site na ihe ndị na-adịghị ọcha dịka uzuoku mmiri, mmanụ, carbon dioxide na hydrocarbons. Mgbe nke ahụ gasịrị, ikuku dị ọcha na-abanye n'ime ụlọ PSA nke nwere ihe nzacha carbon molekul ma ọ bụ nzacha nke nwere ike ikewapụ nitrogen na oxygen. Anyị na-atụ aro ka e jiri sieve nke nwere ike ikewapụ oxygen dochie sieve ahụ," ka Etry, ọkachamara na cryogenics na onye nduzi nke nyocha na mmepe na IIT-B kwuru.
Ndị otu ahụ jiri ihe mkpuchi mkpụrụ ndụ ihe nketa zeolite dochie ihe mkpuchi mkpụrụ ndụ ihe nketa carbon dị na ụlọ ọrụ PSA nitrogen nke ụlọ nyocha Refrigeration na Cryogenics nke Institute. A na-eji ihe mkpuchi mkpụrụ ndụ ihe nketa zeolite kewapụ oxygen na ikuku. Site n'ịchịkwa ọnụego mmiri dị n'ime arịa ahụ, ndị nchọpụta nwere ike ịgbanwe osisi nitrogen ka ọ bụrụ ụlọ ọrụ mmepụta oxygen. Ndị injinia Spantech, ndị na-emepụta osisi nitrogen na oxygen nke obodo ahụ, sonyere na ọrụ nnwale a ma tinye ihe ndị dị mkpa na osisi ahụ n'ụdị ngọngọ na IIT-B maka nyocha.
Ọrụ nnwale a bụ ịchọta ngwọta dị mfe ma dị ngwa maka enweghị ikuku oxygen n'ụlọ ọgwụ dị iche iche na mba ahụ.
Amit Sharma, Onyeisi Nchịkwa nke TCE, kwuru sị: “Ọrụ nnwale a na-egosi otu ngwọta ọhụrụ maka mmepụta oxygen mberede site na iji akụrụngwa dị ugbu a nwere ike isi nyere obodo aka ịnagide nsogbu dị ugbu a.”
“O were anyị ihe dị ka ụbọchị atọ iji kwadebe ihe ndị ọzọ. Nke a bụ usoro dị mfe nke enwere ike imecha ngwa ngwa n'ime ụbọchị ole na ole. Osisi Nitrogen n'ofe mba ahụ nwere ike iji teknụzụ a gbanwee osisi ha ka ha bụrụ osisi oxygen,” ka Etry kwuru.
Nnyocha nnwale ahụ, nke a mara ọkwa n'ụtụtụ Tọọzdee, adọtala uche ọtụtụ ndị ndọrọ ndọrọ ọchịchị. "Ọtụtụ ndị ọrụ gọọmentị enwetawo mmasị anyị, ọ bụghị naanị na Maharashtra kamakwa n'ofe mba ahụ, gbasara otu esi amụba ma tinye nke a n'ọrụ na osisi nitrogen dị ugbu a. Anyị na-eme ka usoro anyị dị mfe ugbu a iji nyere osisi ndị dị ugbu a aka ịnakwere ụdị a." Atrey kwukwara.