Farqiga u dhexeeya nitrification iyo denitrification

Cusboonaysiintii ugu dambeysay: 05/06/2023

Waa maxay nitrification iyo denitrification?

Nitrification iyo denitrification waa geedi socod bayooloji oo muhiim ah oo ku jira wareegga nitrogen. Nitrojiinku waa shay lagama maarmaanka u ah nolosha, laakiin ma isticmaali karo nooluhu qaabkiisa jawiga. iyada oo aan la dhibin qaar ka mid ah isbeddel kiimikaad ka hor.

Nitrification

Nitrification waa habka ay nooluhu u beddelaan ammonia iyo ammonium ions oo u beddela nitrate iyo nitrit.

Noocyada bakteeriyada nitrification

Geeddi-socodkan Waxaa fulisa laba nooc oo bakteeriya ah:

  • Bakteeriyada Ammonium-oxidizing (NOB)
  • Bakteeriyada Nitriting (AOB)

NOB-yadu waxay u beddelaan ion nitrite nitrate, halka AOBs ay oxidize ammonia iyo amooniyamka ion nitrite.

Diidmada

Denitrification, dhankeeda, waa habka loo beddelo Nitrates iyo Nitrites oo loo beddelo nitrogen gaseous, kaas oo ku soo noqda jawiga.

Noocyada bakteeriyada denitrification

Bakteeriyada fulisa denitrification waa anaerobes-facultative; taasoo la macno ah in Waxay ku noolaan karaan deegaan leh ama aan lahayn ogsijiin. Nidaamkan waxaa fulisa afar nooc oo bakteeriyada ah:

  • Denitrificans-ka Pseudomonas
  • Denitrificans-ka Paracoccus
  • Bacillus
  • Micrococcus
Waxyaabaha gaarka ah - Riix Halkan  Farqiga u dhexeeya dib u warshadaynta iyo dib u isticmaalida

Denitrification waa mid aad muhiim u ah sababtoo ah waxay xakameysaa qadarka Nitrates ee ku haray ciidda iyo biyaha, iyada oo ka fogaanaysa wasakhowga eutrophic.

Gunaanad

Marka la soo koobo, nitrification iyo denitrification waa habab bayooloji oo dhameystiran oo dhaca dabiiciga ah waxayna aad muhiim ugu yihiin xakamaynta qadarka iyo helitaanka nitrogen, oo ah cunsur lama huraan u ah nolosha.