Ihe Nchikota A Na-ahụghị Anya: Ihe Mere Nlekota CO2 Gbasara Agwa bụ Njikọ Njikwa Na-efu na Ọrụ Ugbo Salmon Dabere na Ala

N'ime sistemụ azụ̀ mmiri na-agbanwe agbanwe, ikuku oxygen na-adọta uche niile. Ebe ọ bụla RAS dị n'ụwa mepere emepe nwere ihe mmetụta oxygen agbazere agbaze, sistemụ ikuku oxygen akpaka, na usoro mkpu nke na-arụ ọrụ n'elekere atọ nke ụtụtụ mgbe DO dara. Carbon dioxide anaghị enweta nke ahụ.

Ihe dị ndụ na-anaghị agbaghara. Salmon smolt nke na-eri otu kilogram nke nri na-emepụta ihe dị ka kilogram 1.2 nke CO₂ site na iku ume - ibu CO₂ karịa ibu nke nri a gbanwere gaa na uto. N'ime sistemụ na-agafe agafe, CO₂ ahụ na-asacha na mmiri. N'ime sistemụ na-agbanwe agbanwe, ebe a na-agwọ ma na-eweghachi 95-99% nke mmiri ahụ, CO₂ na-agbakọta. Na-enweghị mwepụ na-arụ ọrụ, oke tankị na-arị elu ruo 30-50 mg/L n'ime ụbọchị nke oke nchekwa zuru oke.

Nsogbu Ntụle: Ihe Mere Ihe Mmetụta CO2 Ji Siri Ike

Nha CO₂ agbazere agbaze na-eji ụkpụrụ elektrọd Severinghaus. CO₂ na-agbasa site na akpụkpọ ahụ gas na-abanye n'ime obere oyi akwa nke elektrọl dị n'ime, na-agbanwe pH ya. Mgbanwe pH, nke a tụrụ na elektrọd ntụaka, kwekọrọ na nrụgide akụkụ CO₂. Nha a pụrụ ịtụkwasị obi — mgbe ejiri ihe mmetụta ahụ nọgide na-enwe.

Nsogbu dị na RAS bụ drift. Akpụkpọ ahụ na-emebi emebi site na biofilm. Elektrolyt dị n'ime na-agwụ. Njikọ ntụaka na-egbochi ihe siri ike a kpọchiri akpọchi. Ihe mmetụta CO₂ nke a na-ahapụghị maka otu ọnwa nwere ike ịfefe 30–50% site na ebe nhazi ya - na-agụ 8 mg/L mgbe tankị ahụ dị na 25 mg/L. Nke ahụ bụ ọdịiche dị n'etiti "nchekwa" na "acidosis na-adịghị ala ala" akọpụtara dị ka uru nkịtị na ihuenyo SCADA.

A na-akọwapụta ihe mmetụta Honde agbazere agbaze CO₂ maka ntinye RAS n'ihi na a na-eji katrij membrane ya dochie ya n'ọhịa, mmepụta RS485 Modbus-RTU ya na-ejikọ ozugbo na PLC ụlọ ọrụ ahụ, yana nkwụghachi okpomọkụ akpaka ya na-ejide izi ezi n'ofe oke ọrụ RAS 8°C ruo 20°C.

Njikọ Njikwa nke Na-efu

Ebe a na-azụ azụ salmon nke oge a n'ala na-arụ ọrụ na usoro njikwa ndị a:

A na-achịkwa ikuku oxygen na akpaghị aka — ihe mmetụta DO na-akwali sistemụ ikuku oxygen n'ime okirikiri mechiri emechi. A na-achịkwa okpomọkụ na akpaghị aka — ihe na-ekpo ọkụ na ihe oyi na-azaghachi na ihe mmetụta tankị. A na-achịkwa pH na akpaghị aka — dose sodium bicarbonate na-azaghachi na nyocha pH. A na-atụ CO₂ — ọ bụrụ na ọ bụla — dị ka ihe nlele aka ijide otu ugboro n'izu, a na-enyocha ya site na iji mita benchtop na ụlọ nyocha.

Nsonaazụ ya bụ usoro a na-achịkwa n'akụkụ anọ, yana akụkụ nke ise ejiri kpuo ìsì. Kọlụm degassing - ụlọ elu a kpọchiri akpọchi ma ọ bụ ihe na-ewepụ ihe mkpofu nke na-ewepụ CO₂ - na-agba ọsọ na ọnụego a kapịrị ọnụ, nha ya maka ibu kachasị elu, n'agbanyeghị mkpa ọ dị n'ezie. Onye ọrụ ahụ enweghị data iji zaa ajụjụ kachasị mkpa: degasser ọ na-ewepụ CO₂ zuru oke taa?

Ịwụnye ihe mmetụta Honde CO₂ n'ahịrị nlọghachi tankị ahụ na-emechi oghere ahụ. Ihe mmetụta ahụ na-atụ oke mkpokọta CO₂ n'ime mmiri na-abanye na tankị ahụ. Mwepụta RS485 na-akwalite njikwa degasser: mgbe CO₂ ruru 15 mg/L, ikuku na-agbapụta na-abawanye; mgbe ọ dara n'okpuru 8 mg/L, ikuku na-agbapụta na-ebelata. Degasser na-agba ọsọ n'ụzọ mmiri chọrọ n'ezie, azụ̀ ahụ anaghịkwa enweta oke acidosis.

Nhazi Ngwọta maka Ebe Azụ Salmon Dabere n'Ala

Nsonaazụ ubi: Ụlọ ọrụ Smolt nke dị n'ala, Western Norway, 2026

Ebe a na-ere azụ̀ salmon Atlantic dị na ọdịda anyanwụ Norway — nke na-emepụta smolt nde 2.5 kwa afọ na sistemụ na-agbanwe agbanwe kpamkpam — tinyere ihe mmetụta Honde CO₂ n'ofe tankị 24 ya na-eto eto n'etiti Jenụwarị na Machị 2026.

Nsonaazụ ọrụ mgbe ọnwa ise gachara (ruo oge opupu ihe ubi nke mmepụta smolt):

• •Ihe mmetụta ndị a na-aga n'ihu gosiri na mkpokọta CO₂ nke tankị na-agbagharị n'etiti 6 na 24 mg/L kwa ụbọchị - nke usoro nri na arụmọrụ degasser na-akwalite - ebe ihe nlele njide izu gara aga na-akọkarị na nkezi 10-12 mg/L adịghị mma. Azụ ndị dị na tankị kachasị njupụta ebiwo na ọkwa acidosis na-adịghị ala ala maka ihe dị ka 30-40% nke usoro mmepụta.
• •Mgbe emechiri oghere njikwa degasser — nke na-agbanwe ikuku ikuku site na ihe mmetụta — nkezi tank CO₂ kwụsiri ike n'etiti 8 na 14 mg/L n'ofe tankị 24 niile.
• •Oke mgbanwe nri mụbara site na 11% n'oge uto na Mee ruo June ma e jiri ya tụnyere oge ahụ na 2025, nke onye njikwa mmepụta ahụ kwuru ozugbo na ọ bụ ya kpatara iwepụ acidosis nke CO₂ kpatara.
• •Sistemụ mgbagharị mkpu ahụ dekọrọ ihe omume mmụba 37 na oke 20 mg/L n'ime ọnwa mbụ - tupu e hazie usoro njikwa degasser nke ọma - na enweghị ihe omume mmụba ebili n'ọnwa ikpeazụ nke ikpe ahụ.
• •Akwụkwọ ndekọ ọdịmma azụ nke ụlọ ọrụ ahụ maka nyocha oge opupu ihe ubi nke 2026 gụnyere akụkọ CO₂ na-aga n'ihu maka oge mbụ, na-anọchi ndekọ nlele akara gara aga na data zuru oke, nke ejiri oge akara dochie.