Njengamanje, iningi lamathuluzi okulinganisa i-nitrogen oxide emakethe linquma ukuhlangana kwe-nitrogen dioxide (NO₂) noma ingqikithi ye-nitrogen oxides (NOₓ) ngokuqala ngokuguqulela i-NO₂ enani eliphelele elithi NOₓ (NO+NO₂) libe NO. Nokho, ngenxa yokusebenza kahle kokuguqulwa kwe-NO₂/NO (okuncike ekugxiliseni kwangempela kwe-NO₂), ezinye izimo zenkambu azifaneleki ukusebenzisa isiguquli se-nitrogen oxide ekuguquleni kwe-NO₂-to-NO. Ukuze kubhekwane nalolu daba, i-Shandong SINZEN Instrument Co., Ltd. ithuthukise i-SUV-100 flue gas analyzer, esebenzisa indlela yokulinganisa eqondile ye-NO₂ yokulinganisa ukungcola. I-analyzer isekelwe ku-ultraviolet absorption spectroscopy kanye ne-chemometric algorithms. Ingakwazi ukukala ukugxila kwamagesi afana ne-SO₂, NO, NO₂, ne-O₂. Ifaka ukunemba kwesilinganiso esiphezulu, ukwethembeka okuphezulu, isikhathi sokuphendula esisheshayo, nokusebenza okubanzi, ingasetshenziswa kabanzi ekuqaphelweni kwe-inthanethi kwemvelo, ukulawula kwezimboni, ukuqapha ukuphepha, nezinye izinhlelo zokusebenza.

Abahlaziyi be-nitrogen oxide bangamathuluzi abalulekile okuqinisekisa ukuthotshelwa kwemithetho, ukuqapha ukukhishwa kwekhabhoni, kanye nokwenza kahle izinqubo zezimboni. Ngaphezu kwalokho, basiza izimboni ezihlukahlukene ekuqapheni nasekulawuleni ukukhishwa kwe-nitrogen oxide, ngaleyo ndlela basize ukuqinisekisa ukuhambisana nemithetho yezemvelo kanye nokunciphisa umthelela wemvelo wemisebenzi yabo. Ngokuhlinzeka ngezilinganiso ezinembile, zesikhathi sangempela zokugxila kwe-nitrogen oxide (NOₓ), abahlaziyi be-NOₓ basiza ukuqaliswa kwezinyathelo zokulawula ukungcola ezisebenzayo. Lezi zinyathelo zihlanganisa ukulungisa izinqubo zokuvutha, ukwenza ngcono izilinganiso ze-air-fuel, noma ukufaka amasistimu okunciphisa i-selective catalytic reduction (SCR). Kafushane, onjiniyela bezinqubo basebenzisa abahlaziyi be-nitrogen oxide ukuze balinganise futhi bahlaziye ukugcwala kwama-nitrogen oxide kumasampuli egesi. Laba bahlaziyi badlala indima ebalulekile ekuqaphelweni kwemvelo, ekulawuleni ukungcola, nasekuthuthukiseni inqubo kuzo zonke izimboni ezihlukahlukene.

I-fluegasanalyzerisagasanalysisiinsimbi esekelwe ku-ultravioletabsorptionspectroscopykanyenokwehluka kwe-opticalabsorptionspectroscopy(DOAS).Ukukhanya kumiswe ukukhanyaumthomboiscon i-centrated and coupledintoanoptical fiber, idluliswa ngefayibha iphuma ngaphandle kwegumbi lokulinganisa izinga lokushisa eliphezulu. Ngemva kokudlula kumhlaba wegesi imuncwa igesi eqondiwe, ukukhanya kudluliswa nge-fiber engenye i-spectrometer.Ngaphakathi kwe-spectrometer, ukukhanya kuhlakazekilei-yagrating, kanye nesignali yamehlo ehlakazekile iguqulelwe ibe yisignali kagesi i-byanarraydet i-ector, ithola ukwaziswa okuqhubekayo kokumunca kwesibuko segesi.Ngokusekelwe kulolu lwazi lokubuka,ithuluzi lisebenzisaDOASi-algorithmukubala ukugxilwa kwegesi elinganisiwe.

I-SUV-100 flue gas analyzer isebenzisa ubuchwepheshe be-ultraviolet differential optical absorption spectroscopy (DOAS). Iyakwazi ukukala ukugxiliswa kwamagesi amaningi okuhlanganisa i-SO₂, CHA, NO₂ ne-O₂, ebonisa ukunemba kokulinganisa okuphezulu, ukwethembeka okuhle kakhulu kanye nesivinini sokuphendula ngokushesha. Ingasetshenziswa kabanzi ekucubunguleni nasekulawuleni ukuphepha ekukhiqizweni kwezimboni kuyo yonke imikhakha efana nokuqapha inqubo yegesi yezimboni, insimbi yesikhungo samandla kagesi, ukukhiqizwa kukasimende, ukukhiqizwa kukamanyolo wamakhemikhali, imboni yamakhemikhali, ukuvikelwa kwemvelo kanye nocwaningo lwesayensi.