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Recovery of lemon essential oil, lemon wax, and diatomaceous earth from the filter cake of the lemon essential oil dewaxing process at pilot-plant scale / Carlos A. Correa in Industrial & engineering chemistry research, Vol. 47 N° 23 (Décembre 2008) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 47 N° 23 (Décembre 2008) . - p. 9573–9580 Titre : Recovery of lemon essential oil, lemon wax, and diatomaceous earth from the filter cake of the lemon essential oil dewaxing process at pilot-plant scale Type de document : texte imprimé Auteurs : Carlos A. Correa, Auteur ; Mónica B. Gramajo de Doz, Auteur ; Carlos M. Bonatti, Auteur Année de publication : 2009 Article en page(s) : p. 9573–9580 Note générale : Chemistry engineering Langues : Anglais (eng) Mots-clés : Essential  oil,  lemon  wax Résumé : A pilot-plant scale unit suitable for recovery of lemon essential oil, lemon wax, and diatomaceous earth that exists in the waste filter cake arising from the dewaxing process of the cold-pressed lemon essential oil has been developed for batch operation, using a steam stripping process. It includes steam-distillation of the essential oil contained in the filter cake followed by its liquid−liquid separation from water, cooling and decantation of the nonvolatile residue that remains inside the stripper, and manual separation of lemon wax and diatomaceous earth. Mass and energy balances of the process were also made, which allow for the calculation of the time to exhaust the oil and the consumed vapor required to extract one kilogram of essential oil. The experimental results show that this process is suitable for the separation of these “three components” of the filter cake at pilot-plant scale, minimizing the environment contamination. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie7017355 [article] Recovery of lemon essential oil, lemon wax, and diatomaceous earth from the filter cake of the lemon essential oil dewaxing process at pilot-plant scale [texte imprimé] / Carlos A. Correa, Auteur ; Mónica B. Gramajo de Doz, Auteur ; Carlos M. Bonatti, Auteur . - 2009 . - p. 9573–9580. Chemistry engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 47 N° 23 (Décembre 2008) . - p. 9573–9580 Mots-clés : Essential  oil,  lemon  wax Résumé : A pilot-plant scale unit suitable for recovery of lemon essential oil, lemon wax, and diatomaceous earth that exists in the waste filter cake arising from the dewaxing process of the cold-pressed lemon essential oil has been developed for batch operation, using a steam stripping process. It includes steam-distillation of the essential oil contained in the filter cake followed by its liquid−liquid separation from water, cooling and decantation of the nonvolatile residue that remains inside the stripper, and manual separation of lemon wax and diatomaceous earth. Mass and energy balances of the process were also made, which allow for the calculation of the time to exhaust the oil and the consumed vapor required to extract one kilogram of essential oil. The experimental results show that this process is suitable for the separation of these “three components” of the filter cake at pilot-plant scale, minimizing the environment contamination. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie7017355