Babban-tsarki na shiri na 1,1,3-trichloroacetone

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 ne mai mahimmanci tsaka-tsaki a cikin samar da folic acid.A halin yanzu, 1,1,3.acetone trichloropacetone, tsawon samar da sake zagayowar (48 hours), matalauta selectivity, low 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 kara kuzari da kuma 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 siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar 500 ml, 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 a ci gaba da 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, Tebu 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.