Ọdịiche dị n'etiti nitrification na denitrification

Mmelite ikpeazụ: 05/06/2023
Onye dere ya: Sebastian Vidal

Kedu ihe bụ nitrification na denitrification?

Nitrification na denitrification bụ usoro ndu dị mkpa na okirikiri nitrogen. Nitrogen bụ ihe dị mkpa maka ndụ, mana ihe ndị dị ndụ enweghị ike iji ya mee ihe n'ụdị ikuku ya. na-enweghị nhụjuanya ụfọdụ mgbanwe kemịkalụ tupu.

Nitrificación

Nitrification bụ usoro nke ntule na-atụgharị amonia na ammonium ion ka ọ bụrụ nitrates na nitrites.

Ụdị nje bacteria na nitrification

Usoro a A na-eme ya site na ụdị nje bacteria abụọ:

  • Ammonium-oxidizing bacteria (NOB)
  • Nje bacteria nitriting (AOB)

NOBs na-agbanwe ion nitrite ka ọ bụrụ nitrate, ebe AOB na-eme ka amonia na ammonium ion na-eme ka ọ bụrụ ion nitrite.

Desnitrificación

Denitrification, n'akụkụ nke ya, bụ usoro nke ịtụgharị nitrates na nitrites n'ime nitrogen gas, nke na-alaghachi na ikuku.

Ụdị nje bacteria na denitrification

Nje bacteria na-arụ ọrụ denitrification bụ anaerobes na-emepụta ihe, nke pụtara na Ha nwere ike ibi na gburugburu ma ọ bụ na-enweghị oxygen. A na-eme usoro a site na ụdị nje bacteria anọ:

  • Pseudomonas denitrificans
  • Paracoccus denitrificans
  • Bacillus
  • Micrococcus
Ọdịnaya pụrụiche - Pịa ebe a  Ọdịiche dị n'etiti ọhịa na-acha akwụkwọ ndụ akwụkwọ ndụ na oke ọhịa

Denitrification dị ezigbo mkpa n'ihi na ọ na-achịkwa ọnụọgụ nitrates fọdụrụ na ala na mmiri, na-ezere mmetọ eutrophic.

Mmechi

Na nchịkọta, nitrification na denitrification bụ usoro ihe ọmụmụ ndu na-eme n'okike ma dị oke mkpa maka ịchịkwa ọnụọgụ na nnweta nitrogen, ihe dị mkpa maka ndụ.