Ukwelashwa kwegesi engcolile yokuphehla amandla kagesi
Isingeniso sobuchwepheshe
Ukukhiqizwa kwegesi ye-Landfill kubhekise ekuphehleni kukagesi ngenani elikhulu le-biogas (i-LFG landfill gas) ekhiqizwa ukuvutshelwa kwe-anaerobic kwe-organic matter endaweni yokulahla imfucumfucu, okungagcini nje ngokunciphisa ukungcoliswa komoya okubangelwa ukushiswa kwemfucuza, kodwa futhi kusebenzisa izinsiza ngempumelelo.
Ngenxa yokuthi ukukhishwa kwama-nitrogen oxides ohlelweni lokukhiqiza amandla egesi yokulahla imfucumfucu kudinga ukuhlangabezana nezidingo zomnyango wokuvikela imvelo, kudinga ukwelashwa ngaphambi kokuthi kukhishelwe emkhathini.
Izinzuzo zobuchwepheshe
1. Ubuchwepheshe obuvuthiwe nobunokwethenjelwa, ukusebenza kahle kwe-denitration ephezulu kanye nokunciphisa ukuphunyuka kwe-ammonia.
2. Isivinini sokuphendula esisheshayo.
3. Umjovo we-ammonia olinganayo, ukumelana okuphansi, ukusetshenziswa kwe-ammonia okuphansi kanye nezindleko zokusebenza eziphansi.
4. Ingasetshenziswa ekuhlukaniseni emazingeni okushisa aphansi, aphakathi nendawo naphezulu.
Izici Zobuchwepheshe
1. Izici zokuphehla amandla egesi yemvelo:
Ungamandla ahlanzekile ezinsalela ezimbiwa phansi.Ukukhiqizwa kwamandla egesi yemvelo kunezinzuzo zokusebenza kahle kokuphehlwa kukagesi, ukungcoliswa kwemvelo okuphansi, ukusebenza kahle kokulawula okuphezulu, kanye nesikhathi sokwakha esifushane.
2, Uhlelo lokulawula ukukhishwa kwegesi yemvelo amayunithi aphehla amandla anobungani
Engxubeni yegesi ekhishwa isethi yejeneretha yegesi yemvelo.Izinto eziyingozi ikakhulukazi ama-oxides NOX.Ama-nitrogen oxide anobuthi, amagesi acasulayo anemiphumela elimazayo empilweni nasendaweni ezungezile.
I-nitrogen oxide NOx ikakhulukazi iqukethe i-nitric oxide NO ne-nitrogen dioxide NO2.Ngemuva kokuthi i-nitric oxide ikhishelwe emkhathini, ihlangana ngamakhemikhali nomoya-mpilo osemoyeni bese ifakwa ku-nitrogen dioxide NO2.
Ukwelashwa kwegesi ephumayo yamasethi ejeneretha yegesi yemvelo kubhekiselwa kakhulu ekwelashweni kwama-nitrogen oxides NOx.
Njengamanje, ubuchwepheshe be-SCR denitration bubonwa njengobuchwepheshe obuvuthiwe bokukhipha i-nitrogen oxides NOx.Ubuchwepheshe be-SCR denitration bunesabelo semakethe esicishe sibe ngama-70% emhlabeni.E-China, lesi sibalo seqe ama-95%.
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