Ihenjikọ nke formaldehyde, usoro dị mkpa n'ụlọ ọrụ mmepụta ihe, chọrọ njikwa ziri ezi na mkpokọta methanol na formaldehyde dị n'ime iji hụ na ngwaahịa dị mma, arụmọrụ ọrụ, na nrubeisi iwu. Formaldehyde, nke a na-emepụta site na oxidation catalytic nke methanol, bụ isi ihe dị na resins, ihe mgbakwunye, plastik, na ọgwụ, mana ọbụna obere ọdịiche dị namkpokọta methanolma ọ bụmkpokọta formaldehydenwere ike ibute polymerization, mbelata mmepụta, ma ọ bụ enweghị ike ịgbaso ụkpụrụ nchekwa siri ike.
Ihe mmetụta methanol n'ime ahụ,mita njupụta formaldehyde,Ihe nlele maka njupụta formaldehyde, naihe nyocha nke formaldehydeinye nlekota ziri ezi ozugbo, nke na-enye ndị na-arụ ọrụ ụlọ ọrụ ohere ịnọgide na-enwe ọnọdụ mmeghachi omume kacha mma ma belata enweghị ike ịrụ ọrụ nke ọma.
Okwu Mmalite Izugbe nke Usoro Kemịkalụ
A na-emepụta formaldehyde, kemịkalụ dị iche iche a na-eji eme ihe n'ihe niile site na ihe mmado osisi ruo na ihe ndị na-eme ka ọgwụ dị n'ime ya, site na oxidation nke methanol na-eme n'ime ụlọ ọrụ mmepụta formaldehyde. Ịnọgide na-enwe methanol na njupụta formaldehyde dị oke mkpa iji mezuo ụkpụrụ dị mma siri ike.
Ihe mmetụta methanol na ihe nyocha formaldehyde bụ ngwaọrụ dị mkpa maka imezu nke a. Ngwaọrụ ndị a na-enye data ozugbo, na-ewepụ igbu oge na njehie metụtara nnwale aka, ma na-enye ndị ọrụ ohere imeziwanye ọnọdụ mmeghachi omume, belata ihe mkpofu, ma hụ na ha na-agbaso iwu gburugburu ebe obibi na nchekwa.
Kemistri na Usoro nke Formaldehyde Nchikota
Mmepụta nke formaldehyde gụnyere catalytic oxidation nke methanol, usoro nke a nụchara kemgbe ọtụtụ iri afọ iji mezuo ihe ụlọ ọrụ dịka mmepụta kemịkalụ na ọgwụ chọrọ. A na-eji ọlaọcha ma ọ bụ ígwè-molybdenum eme ka mmeghachi omume exothermic a ka mma, na-eji methanol vepo agwakọtara ya na ikuku wee gafere ihe na-akpali akpali na reactor.
A na-etinye formaldehyde nke a na-enweta n'ime mmiri mmiri, nke a na-ejikarị methanol 10-15% mee ka ọ kwụsie ike iji gbochie polymerization ka ọ bụrụ paraformaldehyde. Usoro a chọrọ njikwa zuru oke nke methanol dị na ihe oriri na ntinye formaldehyde dị na reactor na ngwaahịa ikpeazụ iji hụ na mkpụrụ ya dị elu.
Isi ihe dị mkpa gụnyere:
Nkwadebe Methanol
Iji hụ na ihe oriri ahụ nwere methanol mmiri kwesịrị ekwesị (ọkachasị 50-60 wt%) iji mee ka mmeghachi omume dịkwuo mma.
Ọksidọkshọn
Ijikwa oke methanol-ikuku na ọnọdụ reactor iji mee ka mmepụta formaldehyde dịkwuo elu ma belata ngwaahịa ndị ọzọ dị ka formic acid.
Ntinye uche
Ịmịnye formaldehyde n'ime mmiri iji mepụta formalin, nke chọrọ nha zuru oke nke formaldehyde iji gbochie polymerization.
Nchekwa na Nkwụsi Ike
Ịtinye ihe ndị na-eme ka methanol sie ike iji nọgide na-enwe oke formaldehyde ma gbochie mmebi.
Ihe Mere Njikwa Ntinye Uche Inline Ji Dị Mkpa
Ịnọgide na-enwe nha methanol ziri ezi na nha mpụta formaldehyde dị oke mkpa maka ọtụtụ ihe kpatara ya. Oke methanol n'ime ihe oriri nwere ike ibute oxidation na-ezughị ezu, belata mmepụta formaldehyde na ịbawanye ihe mkpofu. N'aka nke ọzọ, ezughi oke methanol nwere ike ime ka mmeghachi omume ahụ ghara ịdị mma, belata mmepụta. N'oge nnabata, oke formaldehyde (karịa 50 wt%) nwere ike ibute polymerization, na-emepụta ihe siri ike paraformaldehyde nke na-egbochi akụrụngwa ma na-emebi ọrụ.
Usoro nlekota ọdịnala, dịka nhazi gas chromatography ma ọ bụ titration na-adịghị n'ịntanetị, na-ewe oge ma na-enwekarị mmejọ, na-egbu oge ime ihe ndozi. Ihe mmetụta methanol na ihe nlele formaldehyde na-enye data na-aga n'ihu, nke na-eme ka ndị ọrụ nwee ike ịgbanwe oke nri, ọnọdụ reactor, na mgbakwunye stabilizer ozugbo, na-ahụ na ngwaahịa na arụmọrụ ya na-aga n'ihu.
Ihe Nlekọta Ịchekwa Ọnụnọ nke Lonnmeter Akwadoro
Igwe njupụta ultrasonic nke Lonnmeter na-arụ ọrụ site n'ịtụ oge nnyefe nke ebili mmiri ultrasonic site na isi iyi mgbaàmà gaa na onye nnata, na-akọwa ọsọ nke ụda iji gbakọọ njupụta na ntinye. Usoro a anaghị emetụta afụfụ, ụfụfụ, ma ọ bụ njikwa mmiri ahụ, agba, ma ọ bụ nghọta, na-eme ka a pụrụ ịtụkwasị obi nke ukwuu na gburugburu ebe siri ike dịka osisi mmepụta formaldehyde.
Enweghị akụkụ ndị na-agagharị agagharị na-ewepụ mmebi igwe, na-eme ka arụmọrụ ya na-aga n'ihu ka oge na-aga. Nhazi nke mita ahụ na-anaghị akpata nsogbu na-ebelata mmezi ya, ihe ndị na-eguzogide nchara ya na-eguzogide kemịkalụ siri ike, na-eme ka ọ dabara adaba maka ụlọ ọrụ ọgwụ na-ejikwa ngwọta formaldehyde na methanol.
Atụmatụ Ntinye na Njikọta
Iji mee ka ihe nyocha formaldehyde dịkwuo irè, ntinye atụmatụ dị mkpa. A ga-etinye ihe mmetụta methanol n'ahịrị nri iji hụ na e tinyere ha n'usoro, ebe mita formaldehyde dị mma maka ebe a na-etinye reactor na kọlụm nnabata iji nyochaa nhazi na nkwụsi ike ngwaahịa. Enwere ike itinye sistemụ ndị na-adịghị arụ ọrụ iji nọgide na-arụ ọrụ mgbe niile n'oge mmezi, na-ebelata oge ọrụ.
Ijikọta ya na sistemụ njikwa osisi na-enye ohere maka mgbanwe akpaaka, dịka ijikwa ọnụego nri methanol ma ọ bụ mgbakwunye ihe na-eme ka ihe sie ike, dabere na data oge. Nhazi oge niile na ngwọta ọkọlọtọ na-eme ka nha nha ziri ezi, ọkachasị n'ọnọdụ mgbanwe nke mmepụta formaldehyde.
Uru nke mita Lonnmeter Inline Concentration
Ime ka arụmọrụ dịkwuo mma
Ntinye nke ihe mmetụta methanol na formaldehyde na-enyocha mmụba nke ihe ndị na-eme ka ọrụ dịkwuo mma nke ukwuu n'ụlọ ọrụ mmepụta formaldehyde. Site n'inye data oge, ngwaọrụ ndị a na-enyere ndị ọrụ aka ịchọpụta ma dozie mgbanwe nke ntinye ozugbo, na-ebelata ihe egwu nke mmebi usoro. Dịka ọmụmaatụ, ịnọgide na-enwe methanol mmiri kacha mma na ebe a na-azụ ihe na-egbochi oxidation zuru oke, na-eme ka ihe a na-enweta dịkwuo elu ma na-ebelata ihe mkpofu. N'otu aka ahụ, nha nke formaldehyde kpọmkwem na ọkwa nnabata na-egbochi polymerization, na-ebelata mmebi akụrụngwa na ọnụ ahịa mmezi.
N'ime ụlọ ọrụ petrochemical, ngwaọrụ ndị a na-eme ka ojiji methanol dịkwuo mma, na-ebelata ọnụ ahịa nri, ebe n'ime ụlọ ọrụ ọgwụ, ha na-ahụ na ha dị mma n'etiti, na-ebelata ọrụ ọhụrụ. Atụmatụ ụlọ ọrụ na-atụ aro na nlekota inline nwere ike ibelata oriri ike ruo 10% ma chekwaa oge ọrụ dị ukwuu site na ime ka usoro nyocha akpaka.
Iji hụ na ngwaahịa dị mma ma na-agbaso iwu ya
Ngwaahịa ndị dabere na formaldehyde, dịka urea-formaldehyde resin na ọgwụ ndị na-etinye aka n'ihe, ga-agbaso ụkpụrụ dị mma na nchekwa siri ike. Ihe nyocha nke formaldehyde na-ahụ na ngwaahịa ikpeazụ (dịka ọmụmaatụ, formalin) na-ejide oke ruru (37–50 wt%) na ọdịnaya ihe na-eme ka ihe sie ike, na-egbochi mmebi ma na-ahụ na arụmọrụ dị na ngwa dịka ihe nrapado na mkpuchi.
Iwu gburugburu ebe obibi, nke nsí formaldehyde na-akwalite, chọrọ njikwa siri ike nke mwepụta ikuku. Mita inline na-enyere osisi aka inyocha ma belata mwepụta formaldehyde, na-ebelata ihe egwu nke ntaramahụhụ ma na-eme ka nkwado dịkwuo mma. Nke a dị oke mkpa na osisi petrochemical, ebe mmepụta buru ibu na-eme ka mmetụta gburugburu ebe obibi dịkwuo elu.
Nchekwa Ọnụego na Uru Ogologo Oge
Uru ego nke mita formaldehyde dị oke mkpa. Site na iji nlekota akpaaka, ngwaọrụ ndị a na-ebelata ụgwọ ọrụ metụtara nnwale aka, nke nwere ike ịchekwa awa kwa ụbọchị na nnukwu ọrụ. Ha na-ebelatakwa ihe mkpofu site na igbochi oke ma ọ bụ obere dose nke methanol na ihe ndị na-eme ka ihe sie ike, na-eme ka ojiji nke ihe oriri dịkwuo mma. A na-enweta nchekwa ike site n'ịnọgide na-enwe ọnọdụ mmeghachi omume kacha mma, na-ebelata mkpa maka ikpo ọkụ ma ọ bụ oyi gabigara ókè na reaktọ na nkeji nnabata.
Ogologo oge nke mita ndị a, nke e ji ihe ndị na-anaghị emebi emebi rụọ, na-eme ka a pụrụ ịtụkwasị ha obi ogologo oge n'ọnọdụ siri ike nke mmepụta formaldehyde. Ihe ha chọrọ maka obere mmezi na ijikọta ha na sistemụ njikwa na-eme ka ha bụrụ ihe dị ọnụ ala maka ụlọ ọrụ mmepụta kemịkalụ na ụlọ ọrụ petrochemical na-achọ ime ka uru dịkwuo elu.
Ịhọrọ ihe mmetụta methanol ma ọ bụ ihe nyocha njupụta formaldehyde kwesịrị ekwesị chọrọ nlebara anya nke ọma n'ihe ndị dị ka izi ezi, okpomọkụ, usoro ntinye, ihe, wdg.
Ajụjụ Ndị A Na-ajụkarị
Kedu ka ihe mmetụta Methanol si eme ka mmepụta Formaldehyde dịkwuo mma?
Ihe mmetụta methanol na-enye nlekota oge niile nke ịdị mma nke ihe oriri, na-ahụ na nha methanol kacha mma maka oxidation catalytic dị irè. Nke a na-egbochi mmeghachi omume na-ezughị ezu ma na-eme ka mmepụta dị elu na osisi mmepụta formaldehyde, na-eme ka ịdị n'otu nke ngwaahịa dịkwuo mma.
Kedu uru dị na Formaldehyde Concentration Analysts?
Ihe nyocha nke formaldehyde na-eme ka a mata na nha ya ziri ezi na-eme ka formaldehyde dị n'ọbara, na-egbochi polymerization ma na-ahụ na e rubere iwu ndị dị mkpa isi. Ha na-ebelata ihe mkpofu ma na-eme ka arụmọrụ dịkwuo mma na ụlọ ọrụ mmepụta kemịkalụ na ụlọ ọrụ ọgwụ.
Ihe Ndị Na-eme Ka A Na-etinye Ọnụ n'Ime Ala Nwere Ike Iguzogide Ọnọdụ Formaldehyde?
E mepụtara ihe nlele formaldehyde nke oge a ka ha rụọ ọrụ nke ọma n'okpuru oke okpomọkụ na ọnọdụ mmebi nke mmepụta formaldehyde. E ji ihe siri ike rụọ ha, ha na-eme ka arụmọrụ ogologo oge na nlekota ziri ezi dị.
Ihe mmetụta methanol, formaldehydemita ntinye uche, ihe nlele, na ihe nyocha dị oke mkpa maka ijikwa mkpokọta inline na mmepụta formaldehyde, na-eme ka ụlọ ọrụ mmepụta formaldehyde, ụlọ ọrụ mmepụta kemịkalụ, ụlọ ọrụ petrochemical, na ụlọ ọrụ ọgwụ nweta ọrụ dị mma. Site n'inye data ziri ezi n'oge, ngwaọrụ ndị a na-eme ka ọnọdụ mmeghachi omume dịkwuo mma, belata ihe mkpofu, ma hụ na e rubere isi na ụkpụrụ nchekwa siri ike na gburugburu ebe obibi. Ị dị njikere imeziwanye usoro mmepụta formaldehyde gị? Kpọtụrụ lonnmeter ka ịchọpụta mita ntinye dị elu nke dabara na mkpa gị, na-emepe arụmọrụ na ịdị mma na ọrụ gị.
Oge ozi: Juun-27-2025
