Difference between revisions of "Primary processing"
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* Steam explosion | * Steam explosion | ||
== '''Separation''' == | == '''Separation pre-treatments''' == | ||
* Physicomechanical separations | * Physicomechanical separations | ||
Revision as of 14:11, 13 July 2021
Pre-treatments are used to prepare raw materials so that they can be processed by core technologies.
Biochemical pre-treatments
- Enzymatic
Chemical pre-treatments
- Hydrolysis
Physical pre-treatments
- Densification
- Pressure-densification
- Sizing
- Chipping
- Grinding
- Steam explosion
Separation pre-treatments
- Physicomechanical separations
- Centrifugation
- Filtration
- Membrane Filtration
- Pressure filtration
- Ultrafiltration
- Sieving
- Physicochemical separations
- Chromatography
- Dialysis
- Dissolution, Crystallisation, flocculation, precipitation
- Distillation
- Drying (evaporation)
- Air drying
- Nitrogen drying
- Freeze drying
- Thermal drying
- Vacuum drying
- Extraction
- Acid treatment
- Alkali treatment
- Field-Flow fractionation (FFF)
Thermochemical pre-treatments
- Ammonia fibre expansion
- Dry torrefaction
- Wet torrefaction