Maska Metyl methacrylate (MMA) waa mid muhiim ah oo kiimiko ah oo kiimiko ah oo dabiici ah oo dabiici ah, oo badanaa lagu isticmaalo soo-saarka muraayadaha dabiiciga ah, xargaha xajmiga, abrygics, iwm Macluumaadka, fiber-ka indhaha, robotics iyo beero kale.

Iyada oo ah monomener akodle, MMA ayaa inta badan loo isticmaalaa soosaarka mempythylllate mempymethllate (oo loo yaqaan plexiglass, PMMA), waxaana sidoo kale lagu soo koobi karaa xeryo kale oo ku saabsan guryaha kaladuwan, sida soo-saarista polyvinyl chloride (PVC ) Ahrititives, MBS iyo monomer labaad oo ku jira soosaarka acrylics.

Waqtigan xaadirka ah, waxaa jira saddex nooc oo ah habraacyo qaan-gaar ah oo loogu talagalay soosaarka MMA ee guriga iyo dibedda Methetolyside pathersile pat (metheuuthenlusition-ka), geedi socodka methetond-ka (assishi kasli 'iyo wadooyinka' ethylene carbonyl squesis ' Habka Basf iyo habka ugu dhawaaqa ah ee alfa

1, methacrylalamides hydrolysition pice-ka
Wadadan ayaa ah habka wax soo saarka ee caadiga ah, oo ay ku jiraan habka acetone canohyring iyo habka methacrylonile, labada methacrylonile, labadaba methachilusive-ka methacrylamide-ka hydrolysis, synthesis-ka Mma.

(1) Qaabka qalabka 'acetone'

Qaabka xudunta, marka hore uu soo saaray Lucite ee Mareykanka, waa habka wax soo saarka ee warshadaha ee hore ee MMA, sidoo kale waa geedi socodka wax soo saarka ee MMream ee adduunka. Qaabkan wuxuu adeegsadaa acetone, hydrocyanic acid, acid sulfric acid iyo methanol ashyaa'da ceyriinka ah, iyo tillaabooyinka falcelinta waxaa ka mid ah falcelinta 'Eraanohyrindrinhisil', falcelinta ku-faan-celinta sicir-galinta.

Habka ACH waa mid farsamo ahaan ah mid bislaaday, laakiin waxay leedahay faa iidada soo socota ee halista ah:

ISTICMAALKA CUDURKA SIYAASADDA SITHDOCYYANIC, oo u baahan tillaabo adag oo ilaalin ah inta lagu keydiyo, gaadiid iyo isticmaal;

○ Soosaarka xaddiga badan ee hadhaaga aashitada (xalka aquaquous leh sulfuric acid iyo ammunium-ka sida qaybaha ugu muhiimsan ee maaddada dabiiciga ah), tirada ay tahay 2.5 ~ 3.5 jeer ee MMA, waana mid halis ah Isha isha wasakhowga deegaanka;

o Sababta oo ah isticmaalka sulluric acid, qalabka la-dagaallanka dibada, iyo dhismaha aaladda waa qaali.

(2) Methacrylonitrile Habka (Qaabka Man)

Asahi Kasei wuxuu horumariyey geedi socodka methacylonitri (nin) ee ku saleysan wadada 'Methacrylonitrile' (IE, Isobutlulen ama Tert-Bunol si loo helo Placyluside, kaas oo markaa ka falceliya aashitada sulfuric iyo methanol si loo soo saaro Mma. Wadada ninka waxaa ku jira Falcelinta Ammonia oksication, falcelinta xilliga gudihiisa iyo falcelinta qalabka hydrolysis-ka, oo uu u isticmaali karo inta badan qalabka ach geedka ax. Fal-celin hydrolysis wuxuu adeegsadaa aashitada xad-dhaafka ah ee xad-dhaafka ah, iyo dhalidda methacchiamide-ka dhexdhexaadinta ahi waa ku dhawaad ​​100%. Si kastaba ha noqotee, habku wuxuu leeyahay badeecad aad u saxaaf leh oo sunta ah oo sunta ah, hydrocyanic acid iyo aashitada sulfuric-ka waa kuwo aad u muuqda, shuruudaha qalabka falcelinta aad ayey u sarreeyaan, halka khataraha deegaanka ay aad u sarreeyaan.

2, Wadada Isobutlone Oktion
Isutoutenenes Oktion waxay ahayd dariiqa loo doorbido tikniyoolajiyadda ee shirkadaha waaweyn ee dunida sababta oo ah ilaalinteeda sare, laakiin ka-hor-qabadkeeda, oo kaliya Japan ayaa mar kale lahaa tikniyoolajiyadda adduunka oo ay horjoogsatay tikniyoolajiyadda Shiinaha. Habka waxaa ka mid ah laba nooc oo ah geedi socodka Mitsubishi-ka iyo geedi socodka Asahi Kei.

(1) Nidaamka Mitsubishi (IsoButlulene Saddex-Tallaabo Habka)

Mitsubishi's Mitsubishi Rajon ayaa horumariyey geeddi-socod cusub oo lagu soo saaro MMAUTYLENE ama Tert-Bunol oo ah sheyga ceyriinka ah, oo ah in laba-tallaabo ah oo loo yaqaan 'Mefy out' oo ay methacrylic acid ah (Mather-ka), ka dibna methanol. Ka dib markii warshadeynta Mitsubishi Rapon, Japan ashihi Kisei, Japan Kyoto MonoMer Shirkadda, Kuuriyada Nasiibka, iwm. Shirkadda Kooxda Shanghai Huyo ayaa maalgelisay ilo badan oo bini-aadam iyo dhaqaale ah, iyo kadib dadaalada joogtada ah ee joogtada ah iyo ka dib markii ay si madaxbanaan u sameysay laba-geesood oo oksidation iyo ecciness of soosaarista tikniyoolajiyadda ee Isobutlune, iyo Diseembar 2017 , waxay ku dhameysatay oo ay ku shaqeysay warshad 50,000-tonon MMA shirkadda shirkadda ay wadajirka ah ku taal ee HuAYI Yuuuang oo ku yaal Sasoong. Teknolojiyadda, oo sidoo kale ka dhigaya Shiinaha oo ka dhigaya dalka labaad si ay u yeeshaan tikniyoolajiyadda warshadaha ee warshadaha ee soosaarka Maa iyo MMA by oksidation of Isobutlen.

(2) Nidaamka asalka ah ee asalka ah

Shirkadda Asahi Kisei Kisei Kaasoi Kaasei Kaase ayaa muddo dheer laga go'ay horumarinta qaabka si toos ah ee wax soo saarka loo yaqaan 'MMA', oo si guul leh loo sameeyay oo uu ka shaqeynayay warshad warshadeed 60,000-ton oo ay ku taal Kawasaki, Japan, oo markii dambe lagu ballaariyey 100,000 tan. Wadada farsamo ee waxay ka kooban tahay fal-celin laba tallaabo ah, taas oo ah oksidation of Isobutlene ama tert-Butane ee gaaska ee ku xusan ficilka mo-bini-gacmeedka ee loo yaqaan 'methacrolein' oo ay ku xigto ehelacida Wejiga dareeraha ah ee ku saabsan ficilka PD-PB-ka ee loo yaqaan 'PD-PB' si loo soo saaro MMA si toos ah, halkaas oo sicirka oxides ee MAL ay tahay tallaabada ugu weyn ee loo soo saaro Mma. Qaabka loo habeeyo Asahi Kasei waa mid fudud, oo leh laba tallaabo oo falcelin ah oo keliya oo ah biyo-wax soo saarka, kaas oo ah cagaar iyo bey'ad u fiican, laakiin qaabeynta iyo diyaarinta casharka ayaa aad u baahan. Waxaa lagu soo waramayaa in sababihii Ashi Keti Kactiiciachiciachictions ay kor u qaadatay jiilka koowaad ee PD-PB-da ee jiilka cusub ee cabitaannada AU-NI.

Ka dib warshadeynta tikniyoolajiyadda asalka ah, laga soo bilaabo 2008 ilaa 2008, xarumaha cilmi baarista gudaha waxay bilaabeen kolom cilmi-baaris ah aakhiro, machadka injineeriyada caadiga ah, takhaatiirta Shiinaha ee jaamacadda, Jaamacadda Shiinaha ee Jaamacadda iyo Haarbuun Injineeriyada Horumarinta iyo hagaajinta pd-pb-ka pb-pb, iwm kadib 2015, cilmi baarista guryaha ayaa ka bilaabay wareeg kale oo kolom, wakiil ka mid ah Machadka Dalian, ee cilmiga bulshada, ayaa sameeyay horumar weyn oo ka dhacay Daraasaddii tijaabada yar ee loo yaqaan 'Pilot', ayaa dhammeystirtay kor u qaadida hannaanka diyaarinta danaha ee Dahabka Dahabka ah, baaritaanka xaalada ee baarista iyo casriga casriyeynta heerka-sare ee hawlgalka.

3, Ethylene Carbonyl Wadada Synthesis
Tiknolojiyadda tikniyoolajiyadda Carbonyl Squonyl Consersisis-ka Joorsashada waxaa ku jira geedi socodka 'Basf' iyo nidaamka etherlene-propionic acid ee 'methyl ener ester'.

(1) Qaabka aashitada ee 'propitoric acid' (geedi socodka basbaaska)

Hawshu waxay ka kooban tahay afar talaabo: Etylyel waa HydroformyLylenyde, probiomiomedyde, Mal waa hawo loo soo saaro ka-soo-nooleynta sariirta. Methanol. Fal-celinta ayaa ah tallaabada ugu muhiimsan. Hawshu waxay u baahan tahay afar talaabo, oo ah mid la mid ah isla markaana u baahan qalab sare iyo kharashyo maalgashi oo sarreeya, halka faa'iidada ay tahay qiimaha jaban ee alaabta ceeriin.

Burburnada gudaha ayaa sidoo kale laga sameeyay horumarinta tikniyoolajiyada ee Ethylene-Propylene-Forldehyde Synthesis ee MMA. 2017, Shanghai Huai Kooxda Shirkadda, iyadoo lala kaashanayo Nanjing Nao shirkad cusub iyo jaamacad Tianjin ah, oo ay dhameystirtay tijaabo tijaabo ah oo ah Methaldehyde ee Methacrolein iyo horumarinta xirmada hanaanka ee 90,000-ton oo warshadaha ah ee 90,000-ton. Intaas waxaa sii dheer, machadka injineerinka ee Akademiyada Shiinaha ee Sayniska, iyadoo lala kaashanayo Henn Energy iyo Gole Kiimile, oo dhameystirtay warshad 1,000-ton ton oo warshadeed oo si guul leh loo gaadhay hawlgal xasilloon 2018.

(2) Nidaamka 'Ethylene-Metyl' (luqut alta alfa)

Xaaladaha hawlgalka ee Alca waa mid sahlan, wax soo saarka wax soo saarka waa mid sare, maalgashi dhirta iyo qarashka ugu yar ee halbeeggu waa sahlan tahay, haddana kaliya ee luca kaliya ayaa leh maareyn ka mid ah teknolojiyaddan dunida oo aan ahayn loo gudbiyey dunida dibedda.

Habka alfa-ka wuxuu u qaybsan yahay laba talaabo:

Tallaabada ugu horreysa waa falcelinta ethylene ee leh CO iyo Methanol si loo soo saaro metherate methyl

Adeegsiga carbogyt carbogyp-ka ku saleysan Palgallation, oo leh astaamaha waxqabadka sare, xulashada sare (99.9%) iyo nolosha adeegga dheer, iyo falcelinta waxaa lagu sameeyaa xaaladaha khafiifka ah, taas oo hoos u dhigeysa aaladda oo yareynaysa maalgashiga dhismaha. ;

Tallaabada labaad waa falcelinta mashiinka methyl oo leh qaab dhismeedka loo yaqaan 'Formldehyde' oo loo sameeyo MMA

Soo-saare badan oo wajiga ah ayaa la istcimaalaa, kaas oo leh xulasho sare MMA. Sanadihii ugu dambeeyay, shirkadaha shirkadaha gudaha ah ayaa si xamaasad leh ku sameeyay horumarinta tikniyoolajiyadda ee Methyl-ka ee Methyl iyo Footdaldehyde waxay umushay MMA-da, waxayna horumar wanaagsan ka sameysay samaynta ka-soo-baxa, laakiin noloshu waxay soo gaadhay xasaasiyadda codsiyada.