Abstract: acetone catalyzed chloride da kuma samar da ƙarfi crystallization a 1,1,3-trichloroacetone tare da high tsarki na ba kasa da 99.0%, tare da yawan amfanin ƙasa na 45% o Key kalmomi: 1,1,3-trichloroacetone; kira; high tsarki.

———-. Gabatarwa

1,1,3■trichloroacetone shine muhimmin tsaka-tsaki a cikin samar da folic acid.A halin yanzu, 1,1,3.acetone trichloropacetone, tsawon lokacin samarwa (48 hours), ƙarancin zaɓi, ƙananan yawan amfanin ƙasa, 1,1,3- Abubuwan da ke cikin trichloropacetone ne kawai game da 17%, bayan hakar ruwa, abun ciki shine kawai 51.9%.Kuma farashin samarwa yana da yawa, gyaran samfurin yana da ƙasa.Waɗannan duka suna haifar da hauhawar farashin samar da folic acid na cikin gida, yana da wahala don haɓaka abun ciki da sauran su. matsaloli.Mawallafin ya karanta ɗimbin takardun gida da na waje. Bayan da yawa gwaje-gwaje da karatu, mun kara mai kara kuzari da sarrafa fou chlorine gudun, rage dauki lokaci zuwa 1,1,3-3 trichloropacetone a cikin 24 hours, da kuma 1,1,3-3 trichloropacetone crystallization tare da tsarki fiye da 99% da kuma yawan amfanin ƙasa fiye da 45%.

II. Sashin gwaji

1. dauki

000 0 ku

1. II.

　　CHACCha+Cl:—ClCH.₂CCH.₃+Cl.₂CHCCH.₃+C1CH.₂CCH.₂C1+

1. Matakan gwaji

A cikin kwandon wuyansa hudu tare da na'ura mai siffar siffar siffar 500ml, an motsa wani adadin acetone da mai kara kuzari kuma an ciyar da shi zuwa chlorine a yanayin zafin jiki na 10 ~ 30 W. Fara lokaci, dakatar da wucewa ta chlorine bayan sa'o'i da yawa, kuma ci gaba yana motsawa don 1 hour. An ƙara wani ƙarfi na musamman kamar kayan abu zuwa ga cakuda da aka samu, an motsa shi don 1 hour yayin da aka sanyaya zuwa 10 ° C crystallization, cire 1,1,3-trichloroacetone.

1. 1,1,3.Zaɓi ƙayyadaddun tsarkin trichloroacetone

Varin 3700 gas chromatograph, QF・ 1 cika shafi da FID ganowa an yi amfani da zaɓin ƙayyade riba mai tsabta na samfurin da maganin chloride.

1. Sakamakon tattaunawar
2. Tasirin mai haɓakawa akan zaɓin chloride ya nuna zaɓin chlorination na acetone

Babban tasiri, Tebur 1 yana lissafin saitin sakamakon gwaji. Daga Table 1, mafi ƙarancin zaɓi na 1,1,3-trichloroacetone yana ƙaruwa sosai (kimanin 19.1%) ba tare da mai haɓakawa ba, kuma

　　fili amine mai kara kuzari shine mafi kyau, har zuwa 57.5% o. Yanayin gwaji: Innl acetone, 3nr) l chlorine, mai kara kuzari 0.6g, zazzabi 1030°C,

lokaci 18 hours. A cikin 12 hours va: 3.9 Cao h; 2

〜7 hours,vq:27 Cao h;7〜18 hours,VQ:3.9 zuwa h.Table 1.Sakamakon mai kara kuzari akan zabin samfur

1. Tasirin saurin chlorine akan abin da ya faru

Gwajin ya gano cewa chlorine iri ɗaya yana da ƙarancin zaɓin samfur, yana haɓaka zaɓin samfur da yawan amfanin ƙasa.

Tebu na 2 ya jera saitin bayanan gwaji.

Tebur 2 Tasirin saurin wucewa-chlorine akan zaɓin samfur

Gwaji^ yanayin:] Petri tasa 1 acetone, mai kara kuzari: composite class 0.6go

Gwajin ya gano cewa fluchlorine ya kasance da wuri (awanni 12) kuma daga baya (8 24 h), yawancin chlorine tserewa cewa matakin ya kasance a hankali kuma matsakaici (28h) yana da sauri. Lokacin da aka dakatar da iskar chlorine, zaɓin samfurin da yawan amfanin ƙasa. An rage raguwa sosai. Sakamakon ya nuna cewa 1,1,3 ya samar da hankali fiye da

1,1-dichloroacetone.Lokacin dauki tare da

chloride, chloride, acetone, 1,1,4003000,

Saukewa: CICH2CCH3

o.

wato_II.chlorination akan rukunin submethyl yayi yawa

da sauri fiye da rukunin methyl.Saboda haka, da

Marubucin ya yi imanin cewa tsarin samar da sinadarin chloride acetone shine:

Ana gudanar da aikin tare da V1 1 2-5 azaman babban tsari.

Dangane da bayanan Table 2, tsarin saurin amsawa na kowane mataki shine

　　V2^”3^1 2 5>V4

Dangane da saurin amsawar kowane mataki,

Ana iya gani daga bayanan da ke cikin Table 3 cewa, saboda ƙananan bambancin ma'anar tafasa tsakanin 1,1,3.trichloroacetone da samfurori, yana da wuya a rabu da hakar ruwa da rabuwa shine hanya mai sauƙi.Ko da yake mafi yawan I Ana iya cire samfuran, tsabta yana da wahala

muna sarrafa saurin chlorine a kowane mataki,

don cimma manufar rage wucewar lokacin chlorine da hana zaɓin haɓaka saurin amsawa ta biyu ta 1,1,3 trichloroacetone.

1. Ruwan tsarkakewa crystal A cewar wallafe-wallafen, yawanci

Acetone chloride ruwa ana fitar da shi ko kuma an tace shi ta ruwa don ƙara abun ciki na 1,1,3-trichloroacetone, kuma marubucin yayi amfani da 1,1,3-trichloroacetone zuwa crystallization daga wasu samfuran.

Tebur 3 ya lissafa tsaftar samfurin da aka samu ta hanyoyin rabuwa daban-daban.

Tebur 3.Tsarin samfurin da aka samu daga hanyoyin rabuwa daban-daban

don ƙara ingantawa.Tsaftar samfurin ya kai sama da 99%, kuma yawan amfanin ƙasa shine mafi girma a cikin hanyoyi da yawa, har zuwa 45% o.1 Hanyar tana buƙatar abun ciki na 1,1,3-trichloroacetone na K fiye da 50% a cikin chloride. mafita.

Zaži dace fili amine mai kara kuzari, sarrafa jinkirin chlorine tarewa a farkon da kuma marigayi a 10 ~ 30 ° C, na iya yin 1,1,3-trichloroacetone chloride, tsarkake ta musamman ƙarfi crystallization, sami crystalline samfurin da ba kasa da 99.0%, tare da yawan amfanin ƙasa. na 45%, amma 1,1,3-trichloroacetone a cikin maganin chloride dole ne ya fi 50% o.Athena CEO

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