Introduction

Decanter 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

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Decanter Features for special application

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Tables of decanter data

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Nomenclature, acknowledgements, references, index

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