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You are here: home > research work units > paper > equipment

Fiber Processing & Paper Performance

FS-FPL-4710

Wood Reduction
  • Chipper -- 4 bladeProduction of pulping chips, 6.4-19mm
  • Classification --
    • Shaker (bulk) -- Sizing of chips,etc.(used with chipper) a wide variety of screen sizes and shapes are available
    • Chip Mixer -- Twin Shell V Mixer
  • Pulping --
    • Digesters (batch) -- Small scale cooks; 23L, stainless steel, 2-2.5kg ovendry; 3 stationary and one rotating
    • Digesters (batch) -- Intermediate cooks: 368 and 396 L, 65kg ovendry; rotating
    • Digesters (batch) -- Large cooks : 2800L, stainless steel, 225kg ovendry: stationary
  • Fiber Processing --
    • Refiner (Pressurized) -- Production of TMP & CTMP, 30-cm stainless steel, 150 psig, maximum pressure. 50L
    • Refiners (Atmospheric) -- Fiberizing of chips after pulping, 20 cm.
    • Refiner (Atmospheric) -- High-volume, 90 cm, double counter rotating disk.
    • Refiner (Atmospheric) -- High-Volume use, 55 cm, single rotating disk.
Pulp Processing and Recycling
  • Pulpers -- For repulping of paper; low (3%-6%), medium (7%-12%) and high consistency (>12%).
    • Low and medium consistency 25 and 100 kg capacities.
    • High consistency,   50L and  1500 Liter  capacities.
  • Flatscreens --
    • High-volume large-particle separation,0.10, 0.20 and 0.30-mm slots, 1.02m by 1.83m usable area.
    • Medium-sized batch operation, 0.20 and 0.275 mm slots,1.04m by 0.58m usable area.
    • Small 250 by 300 mm, 0.1-0.5 mm, slotted screens available.
  • Pressure screens --
    • Coarse and fine, 0.3, 0.2, 0.10 and 0.15 mm; light-weight particle removal.
    • Large-scale heavy-weight particle removal, low consistency (1%, continuous use, 3 baskets available (0.26 and 0.30 mm slots, 1.6 mm holes.
  • Centricleaners -- 75 and 150mm forward cleaners. Flow through cleaners two types, both 75 mm.
  • Flotation unit -- Large-scale deinking, batch or continuous.
  • Flotation unit (Denver cell) -- Single-batch bench-scale deinking, 90-L single cell unit with stirrer and air injection.
  • Flotation unit -- Large-scale deinking, continuous, 6 cells in series.
  • Sidehill screen -- 70-mesh wire, 0.7m by 1.73m surface.
  • Hydrosieve -- Horizontal slots of 0.25, 0.75, or 1.5mm, 0.5m by 0.46m area.
  • Centrifuge -- Small-scale dewatering, max output consistency of 40%.
  • Bladder press (2) -- Small scale dewatering, batch units, consistencies up 40%.
  • Drum washer -- Large-scale dewatering, continuous input, 900 mm diameter, 300 mm wide vacuum drum with shredder.
Paper Production
  • Paper machine -- Lab-scale paper and fiberboard production, 450-mm wire, 300-mm web, normal width due to headbox and calendar size, minimum speed 1 m/min, maximum speed 30m/min, hydrapulper and refiners available for stock preparation
  • Pulp Processing Wet Lab -- Pulpsheet preparation, small-scale beater, 2 TAPPI PFI mills (1 equipped with variable speed drive),handsheet former, freeness testers, balances dryers etc.
  • Clarifier -- Water clarifier for recycling operations closed loop system
  • Cytec Metering System -- Chemical metering station for clarifier
  • PIRA Sticky Disposition Analyzer -- Two stage system for separating stickies from a slurry and then measuring quantity by image analysis.

Questions on Equipment and Facilities? Please contact Carl Houtman

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