Difference between revisions of "Ultrasonication"

4 bytes removed ,  09:28, 31 January 2022
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==Feedstock==
==Feedstock==
===Origin and composition===
===Origin and composition===
The requirements on the origin and composition of the feedstock may vary since the ultrasonication can be utilised at various points in the value chain of biowaste valorisation.
The requirements on the origin and composition of the feedstock may vary since ultrasonication can be utilised at various points in the value chain of biowaste valorisation.


=== Pre-treatment ===
=== Pre-treatment ===


== Process and technologies ==
== Process and technologies ==
During the ultrasonication treatment ultrasound is transmitted through any physical medium by waves that compress and stretch the molecular spacing of the medium through which it passes<ref name=":0">{{Cite book|author=Hugo Miguel Santos, Carlos Lodeiro, and José-Luis Capelo-Martínez|year=2008|section_title=The Power of Ultrasound|editor=José-Luis Capelo-Martínez|book_title=Ultrasound in Chemistry: Analytical Applications|publisher=Wiley‐VCH Verlag GmbH & Co. KGaA|ISBN=9783527319343|place=Weinheim, Germany}}</ref>. The distance between the molecules will vary as they oscillate about their mean position<ref name=":0" />. When the negative pressure is large enough, the distance between the molecules of the liquid exceeds the minimum molecular distance required to hold the liquid intact, and then the liquid breaks down and voids (cavitation bubbles) are created<ref name=":0" />. <!-- Maybe it is easier to understand when you add figures to the text.
During the ultrasonication treatment, ultrasound is transmitted through any physical medium by waves that compress and stretch the molecular spacing of the medium through which it passes<ref name=":0">{{Cite book|author=Hugo Miguel Santos, Carlos Lodeiro, and José-Luis Capelo-Martínez|year=2008|section_title=The Power of Ultrasound|editor=José-Luis Capelo-Martínez|book_title=Ultrasound in Chemistry: Analytical Applications|publisher=Wiley‐VCH Verlag GmbH & Co. KGaA|ISBN=9783527319343|place=Weinheim, Germany}}</ref>. The distance between the molecules will vary as they oscillate about their mean position<ref name=":0" />. When the negative pressure is large enough, the distance between the molecules of the liquid exceeds the minimum molecular distance required to hold the liquid intact, and then the liquid breaks down and voids (cavitation bubbles) are created<ref name=":0" />. <!-- Maybe it is easier to understand when you add figures to the text.


Some interesting links:
Some interesting links: