Pulp & Paper

Kentz has extensive experience in the pulp & paper industry working with specialist engineers, equipment suppliers and worldwide operators alike. This experience covers greenfields projects, upgrades and maintenance including:

ECF Conversion

Hi-Kappa Project

• Digester upgrades
• Plant expansions
• Paper machine rebuilds
• Tissue machine rebuilds
• Uptake machine rebuilds
• Machine utilities
• Pulp plant maintenance
• Machine maintenance
• Pulp & CRF shutdowns
• Recovery boiler EI refurbishment
• Mill experience including: Sappi Kraft Ngodwana, South Africa; Sappi Fine Papers Enstra, South Africa; Sappi Kraft, Stanger, South Africa; Sappi Kraft Tugela, South Africa; Sappi Saiccor, Natal, South Africa; Kimberly Clark Tissue, Enstra, South Africa; MondiKraft, Richards Bay, South Africa; Mondi Paper, Merebank, South Africa; Mondi Kraft, Piet Retief, South Africa; Usuthi Pulp Kraft, Swaziland

Kentz's specialist experience includes:

Woodyard

• Kone slasher deck fixed to pneumatic conversion
• Screen and conveyor rebuilds
• Debarker drum speed-up
• Stacker reclaimer rebuild
• General maintenance activities – e.g. bearings, blades, belts

Digester

• LP/HP Feeder change-outs
• Steaming vessel rebuild
• Vertical and inverted top separator work
• Outlet device change out
• C3, C4, C5 line cleaning
• Digester internals: screen and centre pipe change
• Shutdown maintenance activities – e.g. HP and acid cleaning, repairs, re-lining, welding, overhauls, filter cloth changes, pressure testing

Bleach and CLO2

• Washpress drum and nip roll changes
• Oxygen reactor repairs, scraper changes and testing
• Displacement tower circular screen remove/clean/reinstall
• Chest repointing
• Electrolytic cell overhaul
• Synthesis burner overhaul

CRF and Utilities

• Evaporator rebuild
• Causticiser trough installation
• Lime kiln alignment
• Bark-coal boiler feed system
• Precipitator maintenance