U beddelashada propylene ee oksijiinta propylene waa hannaan adag oo u baahan faham buuxa oo ku saabsan hababka falcelinta kiimikada ee ku lug leh. Maqaalkani waxa uu si qoto dheer u eegayaa hababka kala duwan iyo xaaladaha falcelinta looga baahan yahay isku-dhafka propylene oxide ee propylene.

Haanta kaydinta Epoxy propane 

Habka ugu badan ee wax soo saarka propylene oxide waa iyada oo loo marayo oksaydhka propylene oo leh ogsijiin molikula ah oo ay joogaan kiciye. Habka falcelinta waxay ku lug leedahay samaynta radicals peroxy, ka dibna la falgala propylene si ay u soo saarto propylene oxide. Dareen-qaaduhu waxa uu door muhiim ah ka ciyaaraa fal-celintan, maadaama ay hoos u dhigto tamarta firfircoonida ee looga baahan yahay samaynta radicals peroxy, taas oo kor u qaadaysa heerka falcelinta.

 

Mid ka mid ah kicinta aadka loo isticmaalo ee falcelintan ayaa ah oksaydhka qalinka ah, kaas oo lagu raro walxaha taageerada sida alfa-alumina. Qalabka taageerada wuxuu bixiyaa meel sare oo dusha sare ah ee kicinta, hubinta xiriir hufan oo u dhexeeya falceliyeyaasha iyo kicinta. Isticmaalka kicinta oksaydhka qalinka ah ayaa la ogaaday in ay keento wax soo saar sare oo ah propylene oxide.

 

Oksidida propylene iyadoo la adeegsanayo habka peroxide waa hab kale oo loo isticmaali karo soo saarista propylene oxide. Nidaamkan, propylene waxaa lagu falceliyaa peroxide organic iyada oo ay jirto kiciye. Peroxide-ku wuxuu la falgalaa propylene si uu u sameeyo xagjirnimo dhexdhexaad ah oo xor ah, kaas oo markaa qudhmi kara si uu u soo saaro propylene oxide iyo aalkolo. Habkani wuxuu leeyahay faa'iidada bixinta xulashada sare ee propylene oxide marka la barbardhigo habka oksaydhka.

 

Doorashada xaaladaha falcelinta ayaa sidoo kale muhiim u ah go'aaminta wax-soo-saarka iyo nadiifnimada alaabta propylene oxide. Heerkulka, cadaadiska, wakhtiga degenaanshaha, iyo saamiga mole ee fal-celiyeyaasha ayaa ah qaar ka mid ah halbeegyada muhiimka ah ee u baahan in la hagaajiyo. Waxaa la arkay in kororka heerkulka iyo waqtiga deggenaanshaha guud ahaan ay keento kororka wax-soo-saarka propylene oxide. Si kastaba ha noqotee, heerkulka sare wuxuu sidoo kale u horseedi karaa sameynta alaabada, hoos u dhigista nadiifinta alaabta la rabo. Sidaa darteed, waa in la dhufto dheellitirka u dhexeeya wax-soo-saarka sare iyo nadiifnimada sare.

 

Gebogebadii, isku-dhafka propylene oxide ee propylene waxaa lagu gaari karaa habab kala duwan, oo ay ku jiraan oksaydheynta oksijiinta unugyada ama hababka peroxide. Doorashada xaaladaha kicinta iyo falcelinta waxay door muhiim ah ka ciyaaraan go'aaminta wax-soo-saarka iyo nadiifnimada badeecadda ugu dambeysa. Fahamka saxda ah ee hababka falcelinta ee ku lug leh ayaa lagama maarmaan u ah hagaajinta habka iyo helitaanka propylene oxide oo tayo sare leh.


Waqtiga boostada: Mar-18-2024