Introduction

Decanter develop ment Manufacturers: who entered the markeplace, who left, who o wns whom, specialities of major suppliers

Trends in technology

Decanter Design

Basic construction: vertical/h orizontal, concurrent/countercurrent, leading/trailing conveyor, design limitation, natural frequency versus L/D and design

Materials of construction: maximum bowl speed versus bowl di ameter, materials of construction

Basic component s: bowl, conveyor, casing, drive, backdrive, gearbox, frame and mounting, inlets and outlets, bearings and seals

Variants: bowl diameter, clarifying length, beach angle, scoll ing aids: liners and grooving, conveyor leads, conveyor pitch, flight pr ofile, cant and rake, flow: axial helical and vane assisted, baffle desi gns, feed zone design and position, polymer inlets, gearbox designs and alternatives, cake discharge, brakes, weat inserts, tiles, noise abateme