Akụkọ

Enwere ike iji urea n'ọtụtụ buru ibu dị ka akụrụngwa maka mmepụta nke melamine, urea formaldehyde resin, hydrazine hydrate, tetracycline, Phenobarbital, caffeine, belata agba aja aja BR, phthalocyanine B, phthalocyanine Bx, monosodium glutamate na ngwaahịa ndị ọzọ.

Ọ na-enwe mmetụta na-egbuke egbuke na nchacha kemịkalụ nke ígwè na igwe anaghị agba nchara, a na-ejikwa ya dị ka ihe mgbochi corrosion na pickling metal, nakwa dị ka nkwadebe nke palladium activation ngwọta.
Na ụlọ ọrụ, a na-ejikwa ya dị ka akụrụngwa maka imepụta urea formaldehyde resin, polyurethane na melamine resin.Mgbeureana-ekpo ọkụ ruo 200 ℃, ọ na-emepụta melamine siri ike (ie cyanuric acid).Ihe mmepụta nke Cyanuric acid trichloroisocyanuric acid, sodium dichloroisocyanate, tri (2-hydroxyethyl) isocyanurate, tri (Allyl otu) isocyanurate, tri (3,5-di-tert-butyl-4-hydroxybenzyl) isocyanate, tri Glycidol ether nke isocyanic acid. , na melamine complex nke cyanuric acid nwere ọtụtụ ngwa dị mkpa.Abụọ ndị mbụ bụ ọgwụ na-efe efe dị elu ọhụrụ na ịcha ọcha, nwere ikike imepụta ihe karịrị tọn 80000 nke trichloroisocyanuric acid n'ụwa niile.
Nhọrọ ndị na-ebelata ihe maka denitrification nke gas na-ekpochapụ ọkụ, yana urea ụgbọ ala, nke nwere 32.5% urea dị elu na mmiri 67.5% deionized.
Nhọrọ nke Mbelata Catalytic (SCR) mgbe ọgwụgwọ gasịrị bụ teknụzụ na-ahọrọ nke na-eme ka mbelata nke nitrogen oxides (NOx) na gas iyuzucha ụgbọ ala site na mmeghachi omume pyrolysis nke amonia nke urea na-emepụta na iyuzucha ọkụ.Ọ bụ isi na teknụzụ bụ isi maka ibelata ihe ndị na-emerụ ahụ dị ka NOx na gas na-ekpochapụ ọkụ dị ka igwe ọkụ na mmanụ dizel.Sistemụ SCR bụ usoro dị mkpa iji zute iwu na ụkpụrụ ikuku nke Hyundai Motor Company, dị ka ụkpụrụ Euro IV/Euro V/Euro VI (mba IV/National V/National VI).urea ụgbọ alaA na-akpọ AdBlue na Europe na DEF na United States.

Akụrụngwa nke plastik pụrụ iche, karịsịa Urea-formaldehyde, ụfọdụ akụrụngwa rọba, fatịlaịza na ihe oriri na-edozi ahụ, na-edochi nnu nnu na-ekpo ọkụ na-agbasa n'okporo ámá (uru ya bụ na ọ naghị emebi ígwè), na-eme ka ísì sịga dịkwuo mma, na-enye ụlọ ọrụ Pretzel aja aja. , ụfọdụ ncha ntutu, ihe nchacha, ihe ndị na-emepụta ngwa ngwa ngwa ngwa refrigeration (n'ihi na urea na-emeghachi omume na mmiri iji nweta okpomọkụ), engine urea na-agwọ ọrịa mmanụ dizel, engine na-ekpofu gas sitere na ụlọ ọrụ na-ekpo ọkụ nwere ike karịsịa belata nitrogen oxide, nhazi nke mmiri ozuzo (mgbagwoju anya). nnu), nke a na-eji kewapụ paraffin (n'ihi na urea nwere ike ịmepụta ntinye ntinye), ihe ndị na-emegharị emegharị, ihe mejupụtara mmanụ ọkụ gburugburu ebe obibi, ihe mejupụtara nke ngwaahịa ịcha nha nha nha, fatịlaịza kemịkalụ, ihe enyemaka dị mkpa maka ịcha akwa na ibipụta.