A new dry-sweating technique, based on the use of a centrifuge was applied to purify solid particles of E-caprolactam. It allows elimination of up to 80% of the organic impurities with a relatively low molten mass, between 20 and 30%. Experimental runs were carried out on specifically produced solid pastilles and solid particles of industrial material. On the basis of the achieved results, a mechanism of the dry-sweating process is proposed. (C) 2002 Elsevier Science B.V. All rights reserved.
Purification of ε-caprolactam by means of a new dry-sweating technique / Chianese, Angelo; P., Cipriani; Parisi, Mariapaola. - In: CHEMICAL ENGINEERING JOURNAL. - ISSN 1385-8947. - 87(2002), pp. 187-195. [10.1016/s1385-8947(01)00237-6]
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Titolo: | Purification of ε-caprolactam by means of a new dry-sweating technique | |
Autori: | ||
Data di pubblicazione: | 2002 | |
Rivista: | ||
Citazione: | Purification of ε-caprolactam by means of a new dry-sweating technique / Chianese, Angelo; P., Cipriani; Parisi, Mariapaola. - In: CHEMICAL ENGINEERING JOURNAL. - ISSN 1385-8947. - 87(2002), pp. 187-195. [10.1016/s1385-8947(01)00237-6] | |
Handle: | http://hdl.handle.net/11573/36139 | |
Appartiene alla tipologia: | 01a Articolo in rivista |