Details

Wet Cake Filtration


Wet Cake Filtration

Fundamentals, Equipment, and Strategies
1. Aufl.

von: Harald Anlauf

115,99 €

Verlag: Wiley-VCH
Format: PDF
Veröffentl.: 04.07.2019
ISBN/EAN: 9783527820634
Sprache: englisch
Anzahl Seiten: 210

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Beschreibungen

Guides readers through the entire process of liquid filtrations, from a basic understanding and lab scale testing to advanced process applications and up-scaling of processes Wet Cake Filtration is a key method in solid-liquid separation and plays an important role in many industrial processes from the separation of solid products from a liquid, to removing contaminants in wastewater treatment. Furthermore, separation processes are rarely isolated and the integration as well as necessary pre-treatments in the process chain must be carefully considered and implemented. Supported by more than 40 years of research, development, and teaching, this book provides a comprehensive treatment of all relevant aspects in wet cake filtration as a key method in solid-liquid-separation. The first part of Wet Cake Filtration: Fundamentals, Equipment, Strategies discusses general principles and applications of wet cake filtration, determination of proper feed streams, and filter cake formation. The next chapters deal with variations of pre-treatment and process conditions, including necessary aspects of lab scale tests, up-scaling, and filter design. This is further strengthened with chapters examining particle purification, yield maximization, and cake deliquoring. Lastly, the filter media is discussed as the central piece of wet cake filtration. Beside the different possibilities of available filter media structures and process relevant aspects of filter media selection, the reliable characterization of pore sizes by porometry and innovative additional functionalities are introduced. -Provides information on wet cake filtration?the necessary pre-treatments and process considerations?to guide the reader to develop or improve their own processes -Offers the necessary tools that allow the engineer to transform a lab scale test into a scaled-up process -Presents cake filtration process-related topics like slurry characterization or slurry pretreatment, and special developments such as hyperbaric filtration or steam pressure filtration -Discusses promising new processes like gasless cake desaturation and shrinkage crack free cake desaturation Wet Cake Filtration is a must-have resource for every engineer working with wet cake filtration, including water chemists, catalytic chemists, food chemists, chemical engineers, biotechnologists, and process engineers.
INTRODUCTION AND OVERVIEW SLURRY CHARACTERIZATION Introduction Liquid Particles Slurry Sampling CAKE STRUCTURE CHARACTERIZATION Introduction Porosity Particle Arrangement Pore Size CHARACTERIZATION OF LIQUID FLOW THROUGH POROUS PARTICLE LAYERS Introduction Dimensionanalytic Approach for the Flow Through Porous Particle Layers Empirical Approach for the Flow Through Porous Particle Layers SLURRY PRE-TREATMENT TO ENHANCE CAKE FILTRATION CONDITIONS Introduction Thickening Agglomeration Fractionation/Classification/Sorting Filter Aids - Body Feed Filtration Thermal Conditioning Chemical Conditioning FILTER CAKE FORMATION Introduction Filtration Mechanisms during the Initial Phase of Cake Filtration Formation of Incompressible Filter Cakes by Pressure Filtration Formation of Compressible Filter Cakes by Pressure Filtration Formation of Filter Cakes in Centrifuges PARTICLE WASHING Introduction Principles of Particle Washing Limits of Particle Washing Characterization of Particle Washing Dilution Washing Permeation Washing FILTER CAKE DELIQUORING Introduction Characterization of Deliquoring Results Desaturation of Filter Cakes Consolidation of Compressible Filter Cakes by Squeezing Consolidation/Desaturation of Compressible Filter Cakes by Gas Differential Pressure Electrically Enhanced Press Filtration SELECTED ASPECTS OF FILTER MEDIA FOR CAKE FILTRATION Introduction and Overview Woven Filter Media for Cake Filtration Porometry - using Capillarity to Analyse Pore Sizes of Filter Media Semipermeable Filter Media - Gas Pressure Filtration without Gas Flow
Harald Anlauf is Academic Director of the department "Process Machines" at the Karlsruhe Institute of Technology (KIT), Institute of Mechanical Process Engineering and Mechanics in Karlsruhe, Germany. Having obtained his academic degrees in Chemical Engineering from the former Technical University of Karlsruhe (today KIT) he spent his career at the Institute of Mechanical Process Engineering and Mechanics since 1979. In this Institute his field of activity comprises research, administration and teaching in the field of Mechanical Process Engineering and especially solid-liquid separation, mixing and agglomeration technology. From 1999 - 2005 he was Chairman of the German VDI/GVC working party "Mechanical Liquid Separation". Since 1999 he is German Delegate of INDEFI (International Delegate on Filtration and Separation) and was 2008 President of the 10th World Filtration Congress (WFC) in Leipzig, Germany. Since 2000 he is Co-Chairman of the FILTECH Scientific Committee. He got amongst other 2006 the "Senior Scientist Award" (recognizing significant contributions to the technology of filtration and separation) of the American Filtration Society (AFS) and published as author or co-author 195 papers and book chapters. He is still internationally active in consulting and lecturing.

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