High Purity Distillation Column
Mostrando 1-7 de 7 artigos, teses e dissertações.
-
1. CONTROL PROPOSAL FOR A HIGH PURITY COLUMN BASED ON THE SEPARATION OF VARIABLES BY THE INDEPENDENT COMPONENT ANALYSIS METHOD
Abstract Many industries are complex when it comes to operation mode. In order to reduce the problems related to strong coupling in these processes, the search for the incorporation of artificial intelligence devices has shown an increasing trend in recent years. Due to this complexity and control in multivariable processes, diagnosis and fault monitoring in
Braz. J. Chem. Eng.. Publicado em: 2017-01
-
2. Obtenção do 2-etóxi-2-metilpropano grau analítico a partir do produto comercial
Ethyl tert-butyl ether (ETBE) is produced by commercial processes to a purity of up to 96%. In recent years, several companies have started to produce ETBE, increasing the demand for standards with higher grades of purity in the area of production control and final product certification. The present work involved the development of a purification protocol fo
Química Nova. Publicado em: 2010
-
3. Exergetic and economic analysis of an industrial distillation column
In this work, applications of exergy and economic concepts to compression, heat exchange, and separation processes were used for calculation of the irreversibility rate, thermodynamic efficiency, and internal rate of return (IRR) of the profitability. A case study based on a real process, the purification of 1,2-dichloroethane (DCE) in a high-purity distilla
Brazilian Journal of Chemical Engineering. Publicado em: 2007-09
-
4. Batch distillation of cashew flavor and basil essential oil : an investigation through computer simulation. / Destilação em batelada de aroma natural de caju e oleo essencial de manjericão : investigação via simulação computacional.
The flavor is a combination of some volatile substances, of different chemical classes. However none of them is individually responsible for a specific flavor, but a combination of them. Nowadays flavor compounds are widely used in the food industry, either to confer one definitive flavor to a product, or to strengthen an existing characteristic flavor, as o
Publicado em: 2006
-
5. Robust control of high-purity distillation column. / Controle robusto de coluna de destilação de alta pureza.
High-purity distillation columns are systems which are typically difficult to control. The main reason for this is a strongly nonlinear and interactive system associated with a very sluggish response. Model Predictive Control is widely used for control of distillation columns. However, for high-purity columns, the use of a single linear model in the controll
Publicado em: 2002
-
6. Inference of conversion and purity for ETBE reactive distillation
Reactive distillation (RD), an unconventional and attractive technique, has been applied in fuel ether production. A typical application of RD is the synthesis of the widely used methyl tert-butyl ether (MTBE). RD has also been found to have potential to produce high quality ethyl tert-butyl ether (ETBE), a potential alternative to MTBE. A RD process integra
Brazilian Journal of Chemical Engineering. Publicado em: 2000-12
-
7. Modelagem, controle adaptativo e otimização de um processo não-linear
The modelling of a high-purity distillation column utilized in the semiconductor industry is realized giving an adequate enviromment for adaptive control algorithms analysis. The model contains all the complexities of the real process (gain, time constants and dead time that change nonlinearly) but is simple, robust and computacionally efficient. For solving
Publicado em: 1989