Would it be possible to use autoclave instead of steam explosion as physical pretreatment ? if yes then what should be the size of biomass ?
An autoclave cycle would not produce the same disruptive conditions or high temperature as occur during steam explosion. The disruption and blowing apart of the wood fibre occurs during the rapid pressure change that occurs when the pressure under which the treatment held is instantaneously released. During the steam explosion process the sample is held at a temperature higher than 200°C degrees whereas an autoclave is designed to reach a temperature of 121°C.
I came across an article where an autoclave was used. The lignocellulosic material used was corn stover (CS), however, the CS was dried, milled (using a mechanical hammer mill), and sieved by passing through a 16-mesh sieve to obtain a powder. This is the link to the article for further reference.Article Assessment of quantities and composition of corn stover in G...
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