Difference between revisions of "Primary processing"
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***Acid treatment | ***Acid treatment | ||
***Alkali treatment | ***Alkali treatment | ||
**Field-Flow fractionation (FFF) | **[[Field-Flow fractionation (FFF)]] | ||
== Thermochemical pre-treatments == | == Thermochemical pre-treatments == | ||
Revision as of 11:25, 12 August 2021
Pre-treatment technologies are used to prepare raw materials so that they can be processed by core technologies.
Biochemical pre-treatments
- Enzymatic (in vitro)
- Fungal
- Microbial
- Aeration
Chemical pre-treatments
- Hydrolysis
- Acid
- Alkali
- Salt
- Ionic liquids
- Sulphite salt
- Solvent
- Organosolv
Physical pre-treatments
- Densification
- Microwave
- Pressure-densification
- Sizing
- Chipping
- Grinding
- Steam explosion
- Ultrasonication
Separation pre-treatments
- Physicomechanical separations
- Centrifugation
- Filtration
- Membrane Filtration
- Pressure filtration
- Ultrafiltration
- Sieving
- Physicochemical separations
- Chromatography
- Dialysis
- Dissolution, Crystallisation, flocculation, precipitation
- Distillation
- Drying
- Extraction
- Acid treatment
- Alkali treatment
- Field-Flow fractionation (FFF)
Thermochemical pre-treatments
- Ammonia fibre expansion
- Dry torrefaction
- Wet torrefaction
Pulping (we need to divide all pulping subcatecories to the existing ones, suggestions are welcome)
- Chemical pulping
- Organosolv
- Soda
- Sulphate
- Sulphite
- Hybrid pulping
- Neutral Sulfite Semi Chemical pulping (NSSC)
- Chemithermomechanical pulping (CTMP)
- Mechanical pulping
- Refiner
- Thermomechanical pulping (TMP)
- Refiner mechanical pulping (RMP)
- Groundwood
- Stone groundwood (SGW)
- Thermal groundwood (TGW)
- Pressure groundwood (PGW)
- Refiner