kale

Alaabta

Monoethanolamine (MEA) CAS No. 141-43-5

Sharaxaad Gaaban:

Monoethanolamine waa dareere loo isticmaalo xarumaha tamarta dhuxusha lagu shido si loo nuugo qiiqa CO2 ee gubanaya kadib. Walxaha si sahal ah ayaa loo heli karaa, qiimihiisuna waa yar yahay, heerka nuuggiisuna waa dhakhso. Si kastaba ha ahaatee, isticmaalka tamarta dulin iyo kharashka raasumaalka ee ku lug leh MEA-ku salaysan habka qabashada gubashada ka dib ayaa caqabad ku ah isticmaalkeeda.


Faahfaahinta Alaabta

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Sharaxaada Alaabta

MEA waxaa lagu soo saari karaa iyada oo ka falcelinaysa ammonia/biyo leh ethylene oxide cadaadiska 50-70 bar si ay ammonia ugu ilaaliso heerka dareeraha. Nidaamku waa mid ka baxsan oo uma baahna wax kicinaya. Saamiga ammonia iyo ethylene oxide ayaa door weyn ka ciyaara go'aaminta isku dhafka ka dhashay isku dhafka. Haddii ammonia ay la falgasho hal mole oo ah ethylene oxide, monoethanolamine ayaa la sameeyay, oo leh laba molecules oo ah ethylene oxide, diethanolamine ayaa la sameeyay halka saddex mole oo ah ethylene oxide triethanolamine la sameeyay. Dareen-celinta ka dib, nadiifinta isku-dhafka ka soo baxa ayaa marka hore la sameeyaa si looga saaro ammonia iyo biyo xad-dhaaf ah. Kadibna aminyada ayaa la kala soocaa iyadoo la adeegsanayo habayn saddex-tallaabo ah.

Monoethanolamine waxaa loo isticmaalaa sida reagents kiimikaad, sunta cayayaanka, daawooyinka, dareerayaasha, dhex dhexaadiyaha dheeha, caag dardargeliyaha, daxalka inhibitors iyo surfactants, iwm. Waxa kale oo loo isticmaalaa sida nuugista gaaska acid, emulsifiers, balaastikada, wakiilada vulcanizing caag, daabacaadda iyo rinjiyeynta wakiilka Whitening, dharka Aboorka lidka ku ah, iwm. Waxa kale oo loo isticmaali karaa sidii caagadeeyaha, wakiilka vulcanizing, dardar-geliyaha iyo wakiilka xumboynta ee xabagta synthetic iyo caag, iyo sidoo kale dhexdhexaadiyaha cayayaanka, daawooyinka iyo midabada. Sidoo kale waa walxo ceeriin ah oo loogu talagalay saabuunta synthetic, emulsifiers ee alaabta la isku qurxiyo, iwm. Warshadaha dunta sida daabacaadda iyo midabaynta dhalaalaya, wakiilka antistatic, wakiilka aboor, saabuunta. Waxa kale oo loo isticmaali karaa sida nuuga kaarboon laba ogsaydhiyaha, wax lagu daro khad, iyo lagu daro batroolka.

Guryaha

Formula C2H7NO
CAS NO 141-43-5
Muuqashada dareere aan midab lahayn, hufan
Cufnaanta 1.02 g/cm³
Barta karkarinta 170.9 ℃
Barta toosan 93.3 ℃
Baakadaha 210 kg durbaan caag ah/Taangiga ISO
Kaydinta Ku kaydi meel qabow, hawo leh, oo qalalan, oo ka go'an isha dabka,
rarista iyo dajinta gaadiidka waa in lagu kaydiyaa si waafaqsan qodobada kiimikada sunta ah ee gubanaysa

*Xirmooyinka waxaa loogu talagalay tixraac kaliya. Faahfaahinta, tixraac COA

Codsiga

Kiimikada reagen, dareerayaasha, emulsifiers
Xawaareyaasha caagga ah, daxalka xannibaadaha, deactivators

Qaababka dawooyinka, MEA waxa loo isticmaalaa ugu horrayn si loo kaydiyo ama loo diyaariyo emulsions. MEA waxa loo isticmaali karaa hagayaasha pH ahaan waxyaalaha la isku qurxiyo.

Waa sclerosant la isku duro sida ikhtiyaarka daawaynta ee baabasiirka calaamadaha. 2-5 ml oo ah ethanolamine oleate ayaa lagu duri karaa xuubka xuubka oo ka sarreeya babaasiirka si uu u keeno nabar iyo hagaajin xuubka si ay uga hortagto babaasiirka inuu ka soo dago kanaalka dabada.

Sidoo kale waa qayb ka mid ah nadiifinta dareeraha loogu talagalay muraayadaha hore ee baabuurta.

Faa'iidada

Tayada badeecada, tiro ku filan, gaarsiinta wax ku oolka ah, tayada sare ee adeega Waxay leedahay faa'iido ka badan amine la mid ah, ethanolamine, in diirada sare loo isticmaali karo isla awooda daxalka. Tani waxay u ogolaanaysaa sifeeyayaasha inay xoqaan hydrogen sulfide oo ah heerka amiinada wareega hoose ee isticmaalka tamarta guud.


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