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{{Infobox technology}} | {{Infobox technology | ||
| Feedstock = all solid materials | |||
<onlyinclude>Sieving is a simple technique for separating particles of different sizes. | | Category = Separation process | ||
| Product = separated products | |||
|Name= Sieving}} | |||
<onlyinclude>'''Sieving''' is a simple technique for separating particles of different sizes. Coarse particles are separated or broken up by grinding against one another and the screen openings. Depending upon the types of particles to be separated, sieves with different types of holes are used. Sieving plays an important role in food industries where sieves (often vibrating) are used to prevent the contamination of the product by foreign bodies. The design of the industrial sieve is of primary importance here.</onlyinclude> | |||
==Feedstock== | ==Feedstock== | ||
=== Origin and composition === | === Origin and composition === | ||
The sieving method is used to separate different components from a solid mixture via separating particles of different sizes. The feedstock composition therefor is a mixture of materials of different particle size e.g. coming from a [[sizing]] pro-treatment or a [[drying|drying process]]. | |||
=== Pre-treatment === | === Pre-treatment === | ||
For sieving no specific pre-treatment is needed since it is used to separate different fraction within a process chain. Sometimes it is combined with other separation technologies or the particle mixtures need to be [[drying|dry]]. | |||
==Process and technologies== | ==Process and technologies== | ||
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=== Post-treatment === | === Post-treatment === | ||
The post-treatment of the different products are depending on the next steps within the production chain. | |||
==Technology providers== | ==Technology providers== | ||
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==References== | ==References== | ||
* [[:en:Sieving| Sieving]] in Wikipedia | |||
[[Category:Hybrid processing]] | |||
[[Category:Separation]] |