3. Continuous processes
In continuous operation, the aim is to limit the under-production of "heavy" terms, in particular by working with a high molar excess of RXH reactant in relation to the manufacturing stoichiometry of the first term. This molar ratio (with the possible additional thermal ballast effect of the solvent used) is generally high enough to allow the use of an adiabatic reactor, which is therefore not very sophisticated.
3.1 Schematic diagrams
A "continuous" process is preferred to a "batch" process in the following cases:
manufacture of low-molecular-weight, distillable products, which generally involves extensive recycling of the RXH reactant or the first term, which is easier in continuous operation;
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Unit operations. Chemical reaction engineering
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Continuous processes
Batch processes
References
Standardization
- Produits pétroliers. Calcul de l'indice de viscosité à partir de la viscosité cinématique. - ISO 2909 - 1981
- Agents de surface non ioniques. Dérivés polyoxyalkylènes. Détermination de l'indice d'hydroxyle. Méthode à l'anhydrique phtalique. - ISO 4327 - 1979
- Produits pétroliers. Liquides opaques et transparents. Détermination de la viscosité cinématique et calcul de la viscosité dynamique. - NF EN ISO 3104 -...
Economic data
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Ethylene oxide (EO): production capacity and consumption breakdown
Table 1 shows the percentage of EO consumption in 2000, by application.
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