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Author : Jacques Carrier
Publisher :
ISBN 13 :
Total Pages : 128 pages
Book Rating : 4.:/5 (251 download)
Download or read book Optimisation et automatisation d'une colonne d'extraction liquide-liquide written by Jacques Carrier and published by . This book was released on 1981 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jacques Carrier
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (136 download)
Download or read book Optimisation et automatisation d'une colonne d'extraction liquide-liquide written by Jacques Carrier and published by . This book was released on 1981 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. Carrier
Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.:/5 (258 download)
Download or read book Optimisation et automisation d'une solonne d'extraction liquide-liquide written by J. Carrier and published by . This book was released on 1981 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : HOCINE.. MERROUCHE
Publisher :
ISBN 13 :
Total Pages : 270 pages
Book Rating : 4.:/5 (49 download)
Download or read book ETUDE DE TRANSFERT DE MATIERE DANS UNE COLONNE D'EXTRACTION LIQUIDE-LIQUIDE DE TYPE KUHNI ET RECYCLAGE DU SOLVANT PAR COUPLAGE DE LA COLONNE AVEC UNE COLONNE DE RECTIFICATION written by HOCINE.. MERROUCHE and published by . This book was released on 1997 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'ETUDE DE LA COLONNE D'EXTRACTION KUHNI, NOUS A AMENE A NOUS INTERESSER AU TRANSFERT DE MATIERE AU SEIN DE CELLE-CI. ON A ETUDIE LES TROIS PARAMETRES QU'ON A JUGE PRINCIPAUX : LA VARIATION DE LA TENEUR EN SOLUTE DES DEUX PHASES, LA SURFACE D'ECHANGE DE MATIERE ET LA CONSTANTE DE TRANSFERT, EN FONCTION DE DEUX VARIABLES QUI SONT LA VITESSE D'AGITATION ET LE RAPPORT DES DEBITS DES PHASES. LA PARTICULARITE QUE PRESENTE SON SYSTEME D'AGITATION A ETE LE SUJET DE TRAVAUX RESSORTI PAR UNE CORRELATION DE LA PUISSANCE D'AGITATION EN FONCTION DES VITESSES. LA VITESSE D'AGITATION INFLUENCE AUSSI LA VITESSE DE MIGRATION DES GOUTTES LE LONG DE LA COLONNE. VU LES QUANTITES DE SOLVANT UTILISEES DANS CE TYPE D'OPERATION ON S'EST INTERESSE AU RECYCLAGE DU SOLVANT, PAR UN COUPLAGE AVEC UNE COLONNE DE RECTIFICATION. DANS LE MONDE INDUSTRIEL, LES OPERATIONS EN CONTINU SONT DES PROCEDES TRES FREQUENTS. LA DEPENDANCE DES OPERATIONS LES UNES DES AUTRES EST LA CONTRAINTE MAJEURE, QUI NECESSITE UNE SOLUTION PARTICULIERE POUR CHAQUE PROCEDE. POUR NOTRE CAS, LE COUPLAGE D'UNE EXTRACTION LIQUIDE-LIQUIDE ET UNE RECTIFICATION NOUS A SERVI POUR LA CONSTRUCTION D'UN SYSTEME DE SEPARATION A L'ECHELLE PILOTE UTILISABLE DANS L'INDUSTRIE. L'AUTOMATISATION DE CE SYSTEME, DONC DE CES INSTALLATIONS, A REDUIT, CONSIDERABLEMENT, LE TEMPS NECESSAIRE A L'EQUILIBRE DES COLONNES, PERDU, LORS DES DEMARRAGES DE CES INSTALLATIONS. UN LOGICIEL POUR LA CONDUITE DE CE SYSTEME A ETE PRODUIT, EN UTILISANT L'EVOLUTION SOUS FORME DE GRAFCETS POUR L'AUTOMATISATION DE CHAQUE COLONNE. ET, UNE REGULATION ADAPTATIVE AVEC DES MODELES DU SECOND DEGRE A ETE DEVELOPPE POUR LE MAINTIEN DE NOS CONSIGNES.
Author : Ahcène Moussaoui
Publisher :
ISBN 13 :
Total Pages : 215 pages
Book Rating : 4.:/5 (489 download)
Download or read book Commande prédictive d'une colonne d'extraction par solvant written by Ahcène Moussaoui and published by . This book was released on 1995 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'AUTOMATISATION ET LE CONTROLE DES COLONNES D'EXTRACTION LIQUIDE-LIQUIDE EST UN PROBLEME D'ACTUALITE. CES CONTACTEURS SONT DE PLUS EN PLUS EMPLOYES DANS DES SECTEURS INDUSTRIELS COMME LA CHIMIE FINE QUI UTILISE DES UNITES POLYVALENTES ET FLEXIBLES. OR, CES APPAREILS SONT CONNUS POUR ETRE DIFFICILES A CONTROLER, EN PARTICULIER A CAUSE DE LEUR COMPORTEMENT DYNAMIQUE FORTEMENT NON-LINEAIRE ET VARIABLE DANS LE TEMPS. DANS UN PREMIER CHAPITRE, UNE REVUE DES DIFFERENTES ETUDES CONCERNANT LA MODELISATION DU FONCTIONNEMENT DYNAMIQUE ET LA CONDUITE DES COLONNES PULSEES EST PRESENTEE. UNE DESCRIPTION DU MODELE DYNAMIQUE DE SIMULATION BASE SUR UN BILAN DE POPULATION DE GOUTTES Y EST DONNEE. ON PRESENTE ENSUITE DANS UN SECOND CHAPITRE LES TECHNIQUES EXPERIMENTALES UTILISEES AINSI QUE L'ETUDE DU COMPORTEMENT DYNAMIQUE DE LA COLONNE PILOTE. A PARTIR D'ETUDES ANTERIEURES, ON EST PARVENU A LA CONCLUSION QU'UNE POLITIQUE DE CONTROLE UNIQUE POUVAIT ETRE APPLIQUEE AUX COLONNES MECANIQUEMENT AGITEES, ET CELA QUEL QUE SOIT LE SYSTEME TERNAIRE UTILISE. IL A ETE DEMONTRE QU'UN REGIME OPTIMAL DE FONCTIONNEMENT EXISTE AU VOISINAGE DE L'ENGORGEMENT. L'ETAT D'ENGORGEMENT DE LA COLONNE PEUT ETRE CARACTERISE PAR L'APPARITION D'UN LIT DE GOUTTES AU NIVEAU DU DISTRIBUTEUR DE PHASE DISPERSEE. LE DEVELOPPEMENT D'UN TEL LIT PEUT ETRE SUIVI EN LIGNE PAR UN CAPTEUR APPROPRIE, PAR EXEMPLE A L'AIDE D'UNE SONDE CONDUCTIMETRIQUE DANS LE CAS D'UNE SOLUTION AQUEUSE CONTINUE, LA MESURE DE CONDUCTIVITE REVENANT ALORS A UNE MESURE DE RETENTION. A CHARGE DONNEE, LES CONDITIONS D'ENGORGEMENT PEUVENT ETRE ATTEINTES EN JOUANT SUR L'INTENSITE D'AGITATION. LE PILOTE ETUDIE EST UNE COLONNE PULSEE A PLATEAUX PERFORES, AVEC LE SYSTEME TERNAIRE EAU-ACETONE-TOLUENE. AINSI, LA STRATEGIE DE CONTROLE DE L'HYDRODYNAMIQUE DE LA COLONNE CONSISTE A MAINTENIR LA CONDUCTIVITE, DONC LA RETENTION, AU NIVEAU DU DISTRIBUTEUR A UNE VALEUR DE CONSIGNE DONNEE, (QUI CORRESPOND AU DEBUT D'ENGORGEMENT DE LA COLONNE) EN JOUANT SUR LA FREQUENCE DE PULSATION. CECI CONSTITUE LA PREMIERE BOUCLE DE CONTROLE. LES TROIS ALGORITHMES DE COMMANDE ADAPTATIVE ET PREDICTIVE QUI ONT ETE DEVELOPPES ET IMPLANTES, SONT PRESENTES DANS LE 3EME CHAPITRE: COMMANDE PREDICTIVE GENERALISEE, COMMANDE PREDICTIVE GENERALISEE AVEC MODELE DE REFERENCE SUR L'ETAT PARTIEL ET COMMANDE QUADRATIQUE GAUSSIENNE. EN PREMIER LIEU, ILS ONT ETE IMPLANTES DANS LE LOGICIEL DE SIMULATION DYNAMIQUE. LES RESULTATS ET UNE ETUDE DE SENSIBILITE DES DIFFERENTS PARAMETRES DE SYNTHESE DU REGULATEUR DES TROIS ALGORITHMES SONT PRESENTES DANS LE 4EME CHAPITRE. ENFIN, LES RESULTATS EXPERIMENTAUX OBTENUS DEMONTRENT L'APTITUDE DE CE TYPE DE CONTROLEUR A ASSURER LE DEMARRAGE AUTOMATIQUE DE LA COLONNE
Author : P. Albertos Pérez
Publisher : Pergamon
ISBN 13 :
Total Pages : 432 pages
Book Rating : 4.3/5 (91 download)
Download or read book Components, Instruments, and Techniques for Low Cost Automation and Applications written by P. Albertos Pérez and published by Pergamon. This book was released on 1988 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides an up-to-date account of new components and their applications in automated systems. The book covers the use and variety of instrumentation, a wide range of automated control systems and their costs and functions, and also includes panel discussions to give a complete overview of the state of the art of this important technological field.
Author : International Federation of Automatic Control. World Congress
Publisher : Elsevier Science & Technology
ISBN 13 :
Total Pages : 472 pages
Book Rating : 4.:/5 (318 download)
Download or read book Automatic Control World Congress, 1987 written by International Federation of Automatic Control. World Congress and published by Elsevier Science & Technology. This book was released on 1988 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contains 60 research and survey papers on power systems - analysis, modelling simulation, control, optimization coordination, and multilever control. Basic industry systems - analysis, modelling simulation, and measurement filtering. Chemical systems - analysis, modelling simulation, control, robust and adaptive control, optimization coordination, and multilever control.
Author : Ousmane SYLL
Publisher : Omniscriptum
ISBN 13 : 9786131534560
Total Pages : 228 pages
Book Rating : 4.5/5 (345 download)
Download or read book Controle en Ligne D'une Colonne Pulsée D'Extraction Liquide-Liquide written by Ousmane SYLL and published by Omniscriptum. This book was released on 2011-05 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Le processus étudié dans ce livre repose sur l'emploi d'une colonne pulsée instrumentée par des techniques optiques afin de disposer d'outils non intrusifs pour qualifier les processus de transfert et l'hydrodynamique de la colonne. Le modèle expérimental choisi consiste à étudier le transfert de matière de l'acide acétique de la phase dispersée à la phase continue. Les transferts d'énergie et de matière caractérisés par le rapport S/V des gouttes sont corrélés avec les paramètres d'action afin d'interpréter le phénomène restrictif tels que le Hold-up et l'efficacité de séparation. L'étude du travail d'adhésion entre la goutte et la surface des plateaux indique que les variations des propriétés interfaciales sont fonction de la concentration et doit ètre prises en compte dans la corrélation du diamètre moyen. Nous avons utilisé des codes industriels Aspen afin d'établir le rôle de la tension de surface sur les codes de calcul et la convergence des modèles. Nous avons estimé la vitesse et le temps de séjour moyen sur chaque plateau par ADL en fonction de l'énergie transmise et à partir de ces résultats nous avons simulé sous Comsol l'écoulement de la colonne.
Author : Bernard Paules (auteur d'une thèse de sciences.)
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (464 download)
Download or read book Extraction liquide-liquide written by Bernard Paules (auteur d'une thèse de sciences.) and published by . This book was released on 1977 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nopparat Yoswathana
Publisher :
ISBN 13 :
Total Pages : 300 pages
Book Rating : 4.:/5 (246 download)
Download or read book Contribution à l'optimisation et à la commande numérique d'une colonne d'extraction par solvant written by Nopparat Yoswathana and published by . This book was released on 1985 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: OPTIMISATION DU POINT DE FONCTIONNEMENT D'UNE COLONNE PULSEE A PLATEAUX PERFORES PAR DEUX REGULATEURS NUMERIQUES: UN REGULATEUR PID CLASSIQUE ET UN REGULATEUR PID AUTOAJUSTABLE. APPLICATION DE L'ANALYSE DES CONCEPTS D'OPTIMISATION ETABLIS PAR CARRIER AU SYSTEME EAU-TOLUENE-ACETONE. MISE AU POINT DES DISPOSITIFS ELECTRONIQUES, INFORMATIQUES ET MECANIQUES QUI PERMETTENT D'AUTOMATISER L'INSTALLATION PILOTE ET MISE EN OEUVRE DE DEUX ALGORITHMES DE CONTROLE DIFFERENTS, IMPLANTES SUR UN MICROORDINATEUR APPLE II (PLUS)
Author : Ahmed Belasri
Publisher : Springer Nature
ISBN 13 : 9811554447
Total Pages : 659 pages
Book Rating : 4.8/5 (115 download)
Download or read book ICREEC 2019 written by Ahmed Belasri and published by Springer Nature. This book was released on 2020-06-10 with total page 659 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.
Author : Alexandre Chagnes
Publisher : Elsevier
ISBN 13 : 0128033649
Total Pages : 236 pages
Book Rating : 4.1/5 (28 download)
Download or read book WEEE Recycling written by Alexandre Chagnes and published by Elsevier. This book was released on 2016-07-26 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: WEEE Recycling: Research, Development, and Policies covers policies, research, development, and challenges in recycling of waste electrical and electronic equipment (WEEE). The book introduces WEEE management and then covers the environmental, economic, and societal applications of e-waste recycling, focusing on the technical challenges to designing efficient and sustainable recycling processes—including physical separation, pyrometallurgical, and hydrometallurgical processes. The development of processes for recovering strategic and critical metals from urban mining is a priority for many countries, especially those having few available ores mining. Describes the two metallurgical processes—hydro- and pyro-metallurgy—and their application in recycling of metals Provides a life cycle analysis in the WEEE recycling of metals Outlines how to determine economic parameters in the recycling of waste metals Discusses the socio economic and environmental implication of metal recycling
Author : Satinder Kaur Brar
Publisher : Springer Science & Business Media
ISBN 13 : 1461480051
Total Pages : 500 pages
Book Rating : 4.4/5 (614 download)
Download or read book Biotransformation of Waste Biomass into High Value Biochemicals written by Satinder Kaur Brar and published by Springer Science & Business Media. This book was released on 2013-09-24 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agro-industrial wastes are end-products emerging after industrial processing operations and also from their treatment and disposal e.g. solid fruit wastes and sludge. The agro-industrial wastes are often present in multiphase and comprise multicomponent. Nevertheless, these wastes are a goldmine as they possess valuable organic matter which can be diverted towards high value products ranging from polymers to antibiotics to platform chemicals. There have been plenty of books published on bioenergy, enzymes and organic acids, among others. However, this emerging field of biochemical has not yet been covered so far which is an important entity of the biorefinery model from waste biomass and needs to be understood from fundamental, applied as well as commercial perspective which has been laid out in this book.
Author :
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.3/5 (91 download)
Download or read book Solvent Extraction of Uranium written by and published by . This book was released on 1957 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Satinder Kaur Brar
Publisher :
ISBN 13 : 9781619428034
Total Pages : 0 pages
Book Rating : 4.4/5 (28 download)
Download or read book Biocontrol written by Satinder Kaur Brar and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agricultural and forest pests lead to many plant diseases resulting in poor yield and productivity. Traditionally, chemical pesticides have been used to control these pests. However, the adverse health impacts of chemical pesticides have triggered parallel research in safe biological options. Nevertheless, biocontrol has come a long way ever since the commercialisation of the first Bacillus thuringiensis based biopesticide (sporeine) in the 1940s, however, still there are research gaps. New knowledge and practical experiences have been added over the last few decades. This book reviews research on biological control agents, including bacterial, fungal and viral biopesticides along with their advanced formulation options.
Author : W. Petruk
Publisher : Elsevier
ISBN 13 : 0080527337
Total Pages : 287 pages
Book Rating : 4.0/5 (85 download)
Download or read book Applied Mineralogy in the Mining Industry written by W. Petruk and published by Elsevier. This book was released on 2000-11-29 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Techniques of performing applied mineralogy investigations, and applications and capabilities of recently developed instruments for measuring mineral properties are explored in this book intended for practicing applied mineralogists, students in mineralogy and metallurgy, and mineral processing engineers. The benefits of applied mineralogy are presented by using in-depth applied mineralogy studies on base metal ores, gold ores, porphyry copper ores, iron ores and industrial minerals as examples. The chapter on base metal ores includes a discussion on the effects of liberation, particle sizes and surfaces coatings of Pb, Cu, Fe, Ca and So4- on the recoveries of sphalerite, galena and chalcopyrite. The chapter on gold discusses various methods of determining the quantities of gold in different minerals, including 'invisible' gold in pyrite and arsenopyrite, so that a balance of the distribution of gold among the minerals can be calculated. This book also discusses the roles of pyrite, oxygen, moisture and bacterial (thiobacillus ferrooxidans) on reactions that produce acidic drainage from tailings piles, and summarizes currently used and proposed methods of remediation of acidic drainage.
Author : United States. Department of Transportation. Assistant Secretary for Governmental Affairs
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.3/5 ( download)
Download or read book Transportation and the Future written by United States. Department of Transportation. Assistant Secretary for Governmental Affairs and published by . This book was released on 1979 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
