Styrene wani ruwa mai tsaftataccen ruwa ne na halitta wanda aka samar da shi musamman daga kayayyakin man fetur bayan aiwatar da aikin distillation na juzu'i don fitar da olefins da kayan kamshi da ake buƙata don kayan sinadarai don samar da Styrene.Yawancin tsire-tsire masu sinadarai na petrochemical suna kama da hoton da ke hannun dama.Kula da babban ginshiƙi na tsaye wanda ake kira ginshiƙin distillation juzu'i.Anan ne abubuwan da ke cikin man fetur suke zafi da zafi sosai domin kowanne daga cikin manyan abubuwan da ke cikin sinadarai yana da mabambantan tafasasshen ruwa don haka ya raba su daidai.
Styrene shine abin da aka sani a cikin da'irar sunadarai azaman monomer.Halin monomers da ke samar da "sarƙoƙi" da ikon haɗi tare da sauran kwayoyin halitta suna da mahimmanci wajen samar da Polystyrene.Kwayoyin Styrene kuma sun ƙunshi ƙungiyar vinyl (ehenyl) waɗanda ke raba electrons a cikin wani abin da aka sani da haɗin gwiwar haɗin gwiwa, wannan yana ba da damar kera shi zuwa robobi.Sau da yawa, Styren yana samuwa a cikin matakai biyu.Na farko, alkylation na benzene (wani unsaturated hydrocarbon) tare da ethylene don samar da ethylbenzene.Aluminum chloride catalyzed alkylation har yanzu ana amfani da shi a yawancin EB (ethylbenzene) shuke-shuke a duniya.Da zarar an yi haka, an sanya EB ta hanyar tsari na dehydrogenation daidai ta hanyar wucewa EB da tururi a kan mai kara kuzari kamar baƙin ƙarfe oxide, aluminum chloride, ko kwanan nan, tsarin haɓaka zeolite mai tsayayyen gado don samun nau'in Styrene mai tsafta.Kusan duk ethylbenzene da ake samarwa a duniya ana amfani dashi don kera sinadarai.Ci gaban kwanan nan a cikin samar da Styrene ya haɓaka hanyoyin da za a iya samar da Styrene.Wata hanya ta musamman tana amfani da Toluene da Methanol maimakon EB.Samun damar amfani da kayan abinci daban-daban yana sa Styrene ya zama albarkatu mai araha mai araha.
Gyaran Man Fetur - Gajere kuma Mai Dadi
- Ana dumama danyen mai a juya shi ya zama tururi.
- Tururi mai zafi yana tashi sama da ginshiƙin juzu'i.
- Rukunin yana zafi a ƙasa kuma yana samun sanyi zuwa sama.
- Yayin da kowane tururin hydrocarbon ya tashi ya huce har ya kai ga tafasa sai ya taso ya samar da ruwa.
- Rukunin ɓangarorin (rukunin hydrocarbons masu irin waɗannan wuraren tafasa) an makale a cikin tire kuma ana fitar dasu.
Styrene kuma shine muhimmin monomer a cikin waɗannan polymers:
- Polystyrene
- EPS (Polystyrene mai Faɗawa)
- SAN (Styrene Acrylonitrile Resins)
- Farashin SB Latex
- ABS (Acrylonitrile Butadiene Styrene Resins)
- SB Rubber (Styrene-butadiene tun 1940s)
- Thermoplastic Elastomers (Thermoplastic rubbers)
- MBS (Methacrylate Butadiene Resins Styrene)
Lokacin aikawa: Satumba-28-2022