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Scope of Publication A reference work for process designers and users of decanters, this book aims to bridge the information gap in this field - that between academic theory promoted in student textbooks and case study data in manufacturers sales literature. Design It includes information on design and specification, preparing the reader to select and correctly size equipment. Purchase As a design or project engineer working with vendors to make final equipment selection, this work provides the readers with the full facts before they start talking to product vendors. Supply In an environment of industry consolidation, the handbook allows you to track suppliers old and new, providing a basis on which users can find the new relevant company for the parts/service he/she wishes to purchase. Operation Once an equipment purchase is made, the user needs to be made aware of how to optimally operate decanters. The Decanter Centrifuge Handbook covers relevant (process) operating issues such as instrumentation and control and the use of flocculents.
List of contents
IntroductionDecanter development
Manufacturers
Trends in technology
Decanter Design
Basic contruction
Materials of construction
Basic components
Variants
Special features
Instrumentation
The Market
Where decanters are used, how many are used, importance in that market, impact on decanter design and use for manufacturer and end-user
Applications: effluent - municipal and industrial, drilling muds, olive and palm oils, proteins, starches, brewery and distillery grains, dairy, petrochemicals, minerals, pharmaceuticals, heavy chemicals, clays, water works sludges, fish meal, surimi, rendering
Application types: Clarification, classification, dewatering, extra dry solids, washing, reslurry wash, thickening
Theory
Clarification
Conveying
Conveying
Power Consumption
Polymer Addition
Pressure developed
Scaling
Particle size distribution
Moving layer theory
Calculating the effect of vanes and discs
Fundamental studies
Flocculents
Types of flocculents
Dosing
Make-up
Test work and data Calculations and scale-up
Options
Identifying the pertinent method
Data needed
Preparing the data
Mass balance
Recovery
Polymer Dose
g-level
Power Calculations
Worked examples
Plant Instrumentation and control
Decanter Features for special application
Tables of decanter data
Nomenclature, acknowledgements, references, index
