Mita yawan layiyana isar da bayanai masu ci gaba da ake buƙata don tsarkake acetophenone a cikin aikace-aikacen gyara turare. Aunawa ta ainihin lokaci yana ba da damar gano ƙazanta na benzene da acetyl chloride ƙasa da 0.5%, yana tallafawa ka'idojin tsarkin acetophenone kai tsaye don ƙera ƙamshi. Ra'ayoyin yawa suna ba da damar daidaita rabon distillation reflux ta atomatik a cikin kewayon 2:1–3:1, yana tabbatar da abun ciki na acetophenone 99.5% ta hanyar dabarun distillation daidai gwargwado.
Daidaita yawan kwayoyin halitta tsakanin 1.045–1.050 g/cm³ yayin hada oxime ta hanyar cire dichloromethane yana hana samuwar oxime hydrolysate, yana inganta yawan sodium hydroxide don gano ƙarshen amsawa. Kayan aikin inline kamar mita na Lonnmeter da mita na maida hankali nan da nan suna nuna rashin cikakken cirewa kuma suna ba da damar inganta yawan kwararar mai cirewa daidai, rage asarar kayan da kuma rage sake aiki.
Haɗa kai tsaye na ma'aunin layi yana sarrafa karkatar da samfura lokacin da yawa ya wuce 1.027 g/cm³ kuma yana kawar da samfurin hannu, yana tallafawa ci gaba da haɗawa da haɗa acetophenone mai tsabta tare da shaidar da aka tabbatar don bin ƙa'idodi.
Samar da Acetophenone Fixative
*
Mita yawan layiYana ba da basirar tsari mai mahimmanci don tsarkake acetophenone a cikin aikace-aikacen gyara turare. Ma'aunin yawan lokaci na ainihi yana ba da damar bin ƙa'idodin tsarkin acetophenone sosai, yana tallafawa ci gaba da gano ƙazanta na benzene da acetyl chloride ƙasa da 0.5%. Masu aiki suna inganta dabarun tacewa daidai kuma suna daidaita rabon reflux ta atomatik don kiyaye acetophenone 99.5%. Yayin haɗawa da haɗawa a cikin kera turare, mita masu yawa a layi suna tabbatar da daidaiton yawan lokaci na halitta zuwa 1.045–1.050 g/cm³, yana hana samuwar oxime hydrolysate ta hanyar gano ƙarshen amsawa da wuri.
AcetophenoneBayanin Tsarin Samarwa
Oxidation na Ethylbenzene yana samar da acetophenone, wanda cobalt ko manganese acetates ke samarwa a zafin 120-200°C don samun yawan amfanin ƙasa har zuwa 90%. Raba matakai da yawa yana kawar da phenylethane da hydroperoxides, sannan daidaiton rarrabuwar ƙashi yana ware acetophenone. Mita mai yawa a layi yana sa ido kan tsarkin distillate, yana ba da damar daidaita rabon reflux na ainihin lokaci don ci gaba da ≥99.5% acetophenone, mai mahimmanci ga aikace-aikacen gyara turare. Ra'ayoyin yawa yana sauƙaƙa gano ƙazanta na benzene da acetyl chloride - kiyaye ƙananan matakan ƙasa da 0.5% yana da mahimmanci don tsarkake acetophenone. Kula da layi ta atomatik yana tabbatar da rabon distillation reflux tsakanin 2:1 da 3:1, yana inganta cire ƙazanta da rage kurakuran hannu.
A lokacin oximation, cirewar dichloromethane yana daidaita yawan kwayoyin halitta tsakanin 1.045-1.050 g/cm³, ana sa ido kai tsaye ta amfani da kayan aikin Lonnmeter. Wannan taga mai yawa yana hana samuwar oxime hydrolysate kuma yana sarrafa ƙarin sodium hydroxide. Rage yawan yana nuna rashin cikar cirewa, yana haifar da ingantaccen ingantaccen kwararar fitar da ruwa don samar da acetophenone mai tsafta. Ma'aunin layi yana haifar da daidaiton haɗawa da haɗakarwa, yana tallafawa ƙa'idodin tsarkin acetophenone da ingantaccen ƙera ƙamshi.
Kayan Ƙamshi
*
Kalubalen da ke tattare da Ma'aunin Yawan Inline
Ma'aunin yawan acetophenone a cikin layi yana fuskantar ƙalubalen fasaha da aiki masu mahimmanci:
Ana buƙatar gano ƙazanta daga benzene da acetyl chloride ƙasa da 0.5% don cika ƙa'idodin tsarkin acetophenone don amfani da turare. Dole ne a sa ido kan bambancin da ke ƙasa da 0.0005 g/cm³ don ba da damar hanyoyin cire ƙazanta cikin sauri da kuma gyara nan take.
Dabaru na tacewa daidai suna amfani da ra'ayoyin yawan da ake samu a ainihin lokaci don kiyaye rabon reflux mai sarrafawa (2:1–3:1). Kula da yawan da ake samu yana hana asarar kayan da ba a tantance su ba da kuma asarar kayan da aka samar. Sauye-sauyen suna nuna bambancin tsarkin acetophenone ko kuma rashin cikar cakuda da hadawa a masana'antar turare.
Tsarin amsawar oximation yana buƙatar tantance ainihin ma'aunin ƙarshen. Dole ne kayan aikin da ke cikin layi su gano ƙimar girma mai yawa na ≤0.001 g/cm³/h don ingantaccen iko da sarrafa ƙarin alkali, wanda ke hana yawan sodium hydroxide a cikin haɗin kwayoyin halitta.
Cirewar dichloromethane mara cikakke yana bayyana a matsayin raguwar yawan da ake samu a matakin halitta. Mita mai yawa a layi na Lonnmeter yana ba da damar inganta yawan kwararar da ake fitarwa, yana tabbatar da cewa yawan lokaci yana daidaita a 1.045–1.050 g/cm³ yayin sa ido kan hada acetophenone oxime.
Ingancin rigakafin oxime hydrolysate ya dogara ne akan gano ƙarshen amsawar lokaci-lokaci a cikin hanyoyin sinadarai. Ma'aunin layi yana nuna lokacin da za a dakatar da ciyar da alkali kafin samfuran da suka fito.
Fa'idodin Haɗa Ma'aunin Yawan Layi
Kula da bawul ɗin samfuri ta atomatik da aka ɗaure da ma'aunin yawan inline yana tabbatar da cewa fitar ruwa ta fito ne kawai sama da 1.027 g/cm³, wanda hakan ke rage fitar da kayan da ba a tantance ba sosai. Kula da yawan ruwa akai-akai yana ba da damar gano ƙazanta na benzene da acetyl chloride nan take ƙasa da 0.5%, yana haifar da gyara nan take na aiki. Ra'ayoyin lokaci-lokaci suna inganta rabon distillation reflux tsakanin 2:1 da 3:1, yana ƙara yawan acetophenone sama da 99.5% yayin da yake rage sharar kayan da ba a sarrafa ba. Binciken inline yana kawar da samfurin hannu, yana rage lokutan jira na samfuri da kuskuren ɗan adam, kuma yana rage matsakaicin lokacin da za a tabbatar da inganci da sama da 40%. Bayanan inline masu daidaito suna daidaita haɗuwa da haɗawa, suna kiyaye tsarkin acetophenone don aikace-aikacen gyara turare a cikin dogon gudu. Kowane ƙimar yawa da daidaitawa suna cikin rajista, suna ba da takaddun da za a iya tantancewa don bin ƙa'idodin tsarkin acetophenone. Kayan aikin Lonnmeter suna tallafawa haɗakarwa mara matsala cikin layukan tsari da ake da su, suna ba da cikakken iko yayin distillation, cirewa, da oxification tare da ƙarancin shiga tsakani.
Magance Matsaloli Masu Wuya a Tsarin Samarwa
Nemi ƙiyasin mita mai yawa na Lonnmeter don magance tsarkakewar acetophenone da aikace-aikacen gyara turare. Yi amfani da kayan aikin Lonnmeter don fa'idodin auna yawan layi, inganta rabon distillation reflux, da amincin tsarin cire dichloromethane. Goyi bayan takaddun ƙa'idodin tsarkin acetophenone, gyara tsari nan take, da haɓaka yawan kwararar mai cirewa tare da na'urori masu aunawa kai tsaye.
Lokacin Saƙo: Janairu-28-2026
