Paper and pulp mills generate primary and deinking sludge, lime sludge, bark and wood residues, and handle mineral fillers such as kaolin and calcium carbonate. Wet sludge is costly to landfill, and wet bark burns poorly in the boiler. Drying turns these streams into boiler fuel or usable material and cuts disposal loads. GEM specifies rotary, flash or mesh belt drying to suit each residue and the heat available at the mill.
For paper & pulp, GEM dries 7 materials across 3 application areas. The dryers specified most often are the Rotary Dryer, Flash Dryer and Mesh Belt Dryer (Meshotherm), chosen per material after a pilot trial.
The materials below cover mill sludges, wood-based fuels and the mineral fillers used in papermaking.
Each material page names the recommended dryer and the alternatives. The machines below are the ones specified most often across the 7 materials for this industry.
We size bark, chip and sludge dryers around the moisture your boiler needs, so the dried residue displaces purchased fuel rather than simply leaving the mill lighter.
Mesh belt dryers operate at moderate air temperatures, which suits low-grade heat from mill flue gas, hot water or exhaust air that would otherwise be discharged to atmosphere.
Fibre content and ash vary from mill to mill. Running your sludge or bark at our Dried & Tested facility shows how it feeds, dries and discharges before you invest.
We trial your material in our pilot facility before any equipment decision, then size the dryer from real data.
Describe it in the form, or message an engineer directly.
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