Chidule:acetone catalyzed chloride ndipo amapangidwa ndi zosungunulira crystallization pa 1,1,3-trichloroacetone ndi chiyero chapamwamba chosachepera 99.0%, ndi zokolola za 45%o Mawu ofunika:1,1,3-trichloroacetone;kaphatikizidwe;kuyera kwakukulu

———-. Mawu oyamba

1,1,3■ trichloroacetone ndi yofunika yapakatikati pakupanga folic acid.Pakali pano,1,1,3.acetone trichlorropacetone,utali wa kupanga (maola 48),kusasankha bwino,zokolola zochepa,1,1,3- trichlorropacetone zili pafupifupi 17%, pambuyo m'zigawo madzi, zomwe zili ndi 51.9% yokha.Ndipo mtengo kupanga ndi mkulu, mankhwala kukonza ndi low.These onse kumabweretsa mkulu m'banja kupatsidwa folic acid kupanga ndalama, zovuta kusintha zili ndi zina. mavuto.Wolembayo adawerenga zolemba zambiri zapakhomo ndi zakunja. Pambuyo kuyesera ndi maphunziro ambiri, ife anawonjezera chothandizira ndi ankalamulira fou chlorine liwiro, kuchepetsa anachita nthawi 1,1,3-3 trichlorropacetone mu maola 24, ndi 1,1,3-3 trichlorropacetone crystallization ndi chiyero kuposa 99% ndi zokolola zoposa 45%.

II. Gawo loyesera

1. anachita

0 0 0

1. II.

　　CHACCHa+Cl:—ClCH.₂CCH.₃+Cl.₂Chithunzi cha CHCCH.₃+ C1CH.₂CCH.₂C1+

1. Masitepe oyesera

Mu botolo la khosi linai lokhala ndi 500ml spherical condenser, kuchuluka kwa acetone ndi chothandizira zinagwedezeka ndikudyetsedwa ku chlorine pa kutentha kwa 10 ~ 30 W. Yambani nthawi, siyani kudutsa chlorine maola angapo pambuyo pa zomwe zachitika, ndipo pitirizani. kuyambitsa kwa ola la 1. Chosungunulira chapadera ngati zinthu chinawonjezeredwa ku chisakanizocho, chokhazikika kwa ola la 1 pamene utakhazikika ku 10 ° C crystallization, kuchotsa 1,1,3-trichloroacetone.

1. 1,1,3.Kusankha kosankha kwa chiyero cha trichloroacetone

Varin 3700 gas chromatograph, QF ・ 1 kudzaza ndime ndi chowunikira cha FID zidagwiritsidwa ntchito posankha phindu la chinthucho ndi yankho la chloride.

1. Zotsatira za zokambirana
2. Mphamvu ya chothandizira pa kusankha kwa chloride ikuwonetsa kusankha kwa acetone chlorination

Chikoka chachikulu, Gulu 1 limatchula zotsatira zoyesera. Kuchokera pa Table 1, kusankha kochepa kwa 1,1,3-trichloroacetone kumawonjezeka kwambiri (pafupifupi 19.1%) popanda chothandizira, ndipo

　　Chothandizira cha amine chapawiri ndi chabwino kwambiri, mpaka 57.5% o.Mayeso oyesa: Innl acetone, 3nr) l klorini, chothandizira 0.6g, kutentha 1030°C,

nthawi maola 18. Mkati mwa maola 12 va:3.9 Cao h;2

〜7 maola,vq:27 Cao h;7〜18 maola,VQ:3.9 mpaka h.Table 1.Zotsatira za chothandizira pakusankha kwazinthu

1. Mphamvu ya chlorine velocity pa zomwe zimachitika

Kuyeseraku kunapeza kuti yunifolomu ya klorini inali ndi kusasankha bwino kwazinthu, zomwe zimasintha kwambiri kusankha kwazinthu komanso zokolola.

Table 2 imatchula mndandanda wa data yoyesera.

Table 2 Zotsatira za liwiro la pass-chlorine pa kusankha kwazinthu

Mayeso^mkhalidwe:]Petri mbale 1 acetone,chothandizira:gulu lamagulu 0.6go

The kuyesera anapeza kuti fluchlorine anali oyambirira (12 hours) ndipo kenako (8 24 h), ambiri klorini kuthawa kuti anachita pang'onopang'ono ndi sing'anga (28 h) anali fast.Pamene mpweya chlorine anasiya, mankhwala selectivity ndi zokolola. zachepetsedwa kwambiri.Zotsatira zasonyeza kuti 1,1,3 inapanga pang'onopang'ono kuposa

1,1-dichloroacetone.Panthawiyi ndi

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

CICH2CCH3

o.

kuti_II.chlorination pa submethyl gulu anali kwambiri

mofulumira kuposa pa gulu la methyl

Wolemba amakhulupirira kuti acetone chloride generation process reaction process ndi:

Zomwe zimachitika ndi V1 1 2-5 monga njira yayikulu.

Malinga ndi Table 2 data, kachitidwe ka liwiro la sitepe iliyonse ndi

　　V2^”3^1 2 5>V4

Kutengera liwiro la sitepe iliyonse,

Zitha kuwoneka kuchokera muzolemba za Table 3 kuti, chifukwa cha kusiyana kwakung'ono kwa malo otentha pakati pa 1,1,3.trichloroacetone ndi zopangira, nthawi zambiri zimakhala zovuta kusiyanitsa kuchotsa madzi ndi kulekana ndi njira yosavuta. mankhwala akhoza kuchotsedwa, chiyero ndizovuta

timawongolera kuthamanga kwa chlorine pagawo lililonse,

kuti tikwaniritse cholinga chochepetsera nthawi ya klorini ndikuletsa kusankha kowonjezera liwiro lachiwiri ndi 1,1,3 trichloroacetone.

1. Kuyeretsedwa kwa kristalo wa Hydrated Malinga ndi zolembedwa, nthawi zambiri ndi

acetone chloride madzi amachotsedwa kapena kuyengedwa ndi madzi kuti awonjezere zomwe zili mu 1,1,3-trichloroacetone, ndipo wolembayo adagwiritsa ntchito 1,1,3-trichloroacetone kuti crystallization kuchokera kuzinthu zina.

Gulu 3 limatchula chiyero cha mankhwala chomwe chimapezedwa ndi njira zosiyanasiyana zolekanitsa.

Table 3.Chiyero cha mankhwala chopezedwa kuchokera ku njira zosiyana zolekanitsa

kukonzanso. Kuyera kwazinthu kumafika pa 99%, ndipo zokolola zimakhalanso zapamwamba kwambiri m'njira zingapo, mpaka 45% o.1 Njirayi imafuna 1,1,3-trichloroacetone yopezeka mu K kuposa 50% mu chloride. yankho.

Sankhani yoyenera pawiri amine chothandizira, kulamulira pang'onopang'ono klorini kutsekereza kumayambiriro ndi mochedwa pa 10 ~ 30 ° C, akhoza kupanga 1,1,3-trichloroacetone kolorayidi, oyeretsedwa ndi zosungunulira crystallization wapadera, kupeza crystalline mankhwala ndi zosachepera 99.0%, ndi zokolola wa 45%, koma 1,1,3-trichloroacetone mu chloride solution ayenera kukhala wamkulu kuposa 50%o.Athena CEO

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