Ọ bụ ezie na ịzụ anụ ọkụkọ anọwo na-ewu ewu n'Africa kemgbe ọtụtụ afọ, ọ bụworị obere ọrụ.N'ime afọ ole na ole gara aga, Otú ọ dị, ọ ghọwo ọrụ siri ike, na ọtụtụ ndị na-azụ ahịa na-eto eto na-elekwasị anya na uru mara mma a na-enye.Ndị na-azụ anụ ọkụkọ karịrị 5 000 bụ ihe a na-ahụkarị ugbu a mana ịkwaga n'ịkwapụta nnukwu ihe welitere nchegbu ọha na eze maka mkpofu kwesịrị ekwesị.Okwu a, na-adọrọ mmasị, na-enyekwa ohere bara uru.
Mmepụta ka ukwuu ewepụtala ọtụtụ ihe ịma aka, ọkachasị ndị metụtara mkpofu ihe.Azụmahịa obere obere anaghị adọta mmasị dị ukwuu n'aka ndị isi gburugburu mana ọrụ azụmaahịa nwere nsogbu gburugburu ebe obibi chọrọ ịgbaso otu ụkpụrụ nchekwa gburugburu ebe obibi.
N'ụzọ na-akpali mmasị, ihe ịma aka n'efu na-enye ndị ọrụ ugbo ohere iji dozie nnukwu nsogbu: nnweta na ọnụ ahịa ọkụ.N'ụfọdụ mba Africa, ọtụtụ ụlọ ọrụ na-eme mkpesa maka oke ọkụ ọkụ na-efu na ọtụtụ ndị bi n'obodo mepere emepe na-eji igwe igwe ọkụ n'ihi na enweghị ntụkwasị obi.Mgbanwe nke nsị nsị ka ọ bụrụ ọkụ eletrik site n'iji ihe ndị na-emepụta ihe na-emepụta ihe na-emepụta ihe aghọwo ihe na-adọrọ mmasị, ọtụtụ ndị ọrụ ugbo na-atụgharịkwa na ya.
Ịgbanwe nsị nsị ka ọ bụrụ ọkụ eletrik karịrị ego, n'ihi na ọkụ eletrik bụ ngwa ahịa dị ụkọ na ụfọdụ mba Africa.Biodigester dị mfe ijikwa, ọnụ ahịa ya dịkwa mma, ọkachasị mgbe ị na-elele uru dị ogologo oge
Na mgbakwunye na ike biogas, Otú ọ dị, ihe mkpofu biogas, nke sitere na ọrụ biodigester, ga-emetọ gburugburu ebe obibi kpọmkwem n'ihi nnukwu ego ya, nnukwu ntinye nke amonia nitrogen na ihe ndị dị ndụ, na ọnụ ahịa njem, ọgwụgwọ na itinye n'ọrụ bụ. elu.Ozi ọma ahụ bụ ihe mkpofu biogas sitere na biodigester nwere uru nrụgharịgharị ka mma, yabụ kedu ka anyị ga-esi eji ihe mkpofu biogas eme ihe nke ọma?
Azịza ya bụ fatịlaịza biogas.Ihe mkpofu biogas nwere ụdị abụọ: otu bụ mmiri mmiri (biogas slurry), na-aza ihe dịka 88% nke mkpokọta.Nke abụọ, ihe fọdụrụ siri ike (ihe fọdụrụ biogas), na-aza ihe dịka 12% nke mkpokọta.Mgbe ewepụtara ihe mkpofu biodigester, a ga-ebuli ya ruo oge ụfọdụ (ịgba mmiri nke abụọ) iji mee ka ihe siri ike na mmiri dị iche iche dị iche iche.siri ike - nkewa mmiri mmirienwere ike iji kewaa mmiri mmiri na ihe mkpofu biogas siri ike.Biogas slurry nwere ihe na-edozi ahụ dị ka nitrogen, phosphorus na potassium dị, yana ihe ndị na-achọpụta ihe dị ka zinc na ígwè.Dị ka mkpebi siri ike, biogas slurry nwere ngụkọta nitrogen 0.062% ~ 0.11%, ammonium nitrogen 200 ~ 600 mg / kg, dị phosphorus 20 ~ 90 mg / kg, dị potassium 400 ~ 1100 mg / kg.N'ihi na nke ngwa ngwa mmetụta, elu nutrient tinye n'ọrụ ọnụego, na ike ngwa ngwa etinye obi gị dum site n'ubi, ọ bụ ụdị mma multiple ngwa ngwa mmetụta compound fatịlaịza.Fatịlaịza fọdụrụnụ nke biogas siri ike, ihe ndị na-edozi ahụ na slurry biogas bụ otu ihe ahụ, nwere 30% ~ 50% organic matter, 0.8% ~ 1.5% nitrogen, 0.4% ~ 0.6% phosphorus, 0.6% ~ 1.2% potassium, kamakwa ọgaranya humic acid karịa 11%.Humic acid nwere ike kwalite nguzobe nke mkpokọta ala, welie njigide na mmetụta nke ọmụmụ ala, melite akụrụngwa anụ ahụ na kemịkalụ ala, mmetụta mmụgharị ala pụtara nke ọma.Ụdị fatịlaịza fọdụrụnụ nke biogas bụ otu ihe ahụ dị ka fatịlaịza organic n'ozuzu, nke bụ nke fatịlaịza nke mbubreyo ma nwee mmetụta dị ogologo oge kacha mma.
Teknụzụ mmepụta nke iji biogasslurryime ka mmiri mmiri fatịlaịza
A na-ebunye slurry biogas n'ime igwe na-amụ nwa maka deodorization na gbaa ụka, wee kewaa slurry biogas fermented site na ngwaọrụ nkewa mmiri siri ike.A na-agbanye mmiri mmiri nkewa ahụ n'ime reactor complexing elemental na ihe fatịlaịza ndị ọzọ na-agbakwunye maka mmeghachi omume mgbagwoju anya.A na-agbanye mmiri mmiri mmeghachi omume mgbagwoju anya n'ime nkewa na usoro mmiri ozuzo iji wepụ adịghị ike na-adịghị ike.A na-agbanye mmiri mmiri nkewa ahụ n'ime kettle chelating elemental, a na-agbakwunyekwa ihe ndị dị n'ubi chọrọ maka mmeghachi omume chelating.Mgbe emechara mmeghachi omume ahụ, a ga-agbanye mmiri mmiri chelate n'ime tank nke emechara iji mechaa karama na nkwakọ ngwaahịa.
Nkà na ụzụ mmepụta nke iji ihe fọdụrụ biogas mee fatịlaịza organic
A gwakọtara ihe fọdụrụ biogas ahụ na ahịhịa, fatịlaịza keki na ihe ndị ọzọ a gwepịara ruo otu nha, wee gbanwee ọdịnaya mmiri ya ka ọ bụrụ 50%-60%, ma gbanwee nha C/N ka ọ bụrụ 25: 1.A na-agbakwunye nje bacteria na-agba mmiri n'ime ihe ndị a na-agwakọta, mgbe ahụ, a na-eme ihe ahụ ka ọ bụrụ ikpo okwu compost, obosara nke ikpo ahụ abụghị ihe na-erughị mita 2, ịdị elu adịghị erughị mita 1, ogologo ya adịghị oke, na tank. A pụkwara iji usoro ịgba ụka aerobic mee ihe.Lezienụ anya na mgbanwe nke mmiri na okpomọkụ n'oge gbaa ụka ka aeration na ikpo.N'oge mmalite nke gbaa ụka, mmiri ekwesịghị ịbụ ihe na-erughị 40%, ma ọ bụghị na ọ naghị akwado uto na mmepụta nke microorganisms, na mmiri ekwesịghị ịdị elu, nke ga-emetụta ventilashion.Mgbe okpomọkụ nke ikpo adahade ka 70 ℃, na igwe ntụgharị compostkwesịrị iji tụgharịa ikpo ahụ ruo mgbe ọ rere ure kpamkpam.
Nhazi miri emi nke fatịlaịza organic
Mgbe ihe gbaa ụka na maturation, ị nwere ike ijiorganic fatịlaịza eme akụrụngwamaka nhazi miri emi.Nke mbụ, a na-edozi ya ka ọ bụrụ fatịlaịza organic powdery.Nkemmepụta usoro nke powdery organic fatịlaịzadịtụ mfe.Nke mbụ, a na-egwepịa ihe ahụ, mgbe ahụ, a na-ekpuchi ihe ndị na-adịghị ọcha na ihe ahụ site na iji aigwe nyocha, na n'ikpeazụ nkwakọ nwere ike mechaa.Ma nhazi n'imegranular organic fatịlaịza, granular organic mmepụta usoro bụ ihe mgbagwoju anya, nke mbụ ihe na-etipịa, na-ekpuchi adịghị ọcha, ihe maka granulation, na mgbe ahụ maka irighiri ihe.ihicha, jụrụ oyi, mkpuchi, na n'ikpeazụ mezuenkwakọ ngwaahịa.Usoro mmepụta abụọ ahụ nwere uru na ọghọm nke ha, usoro mmepụta fatịlaịza ntụ ntụ dị mfe, ntinye ego dị ntakịrị, dabara maka ụlọ ọrụ fatịlaịza organic emepe emepe ọhụrụ,granular organic fatịlaịza mmepụta usorodị mgbagwoju anya, ntinye ego dị elu, ma fatịlaịza organic granular adịghị mfe agglomerate, ngwa ahụ dabara adaba, uru akụ na ụba dị elu.
Oge nzipu: Jun-18-2021