I honestly don’t know, trying googling it
An introduction is given about how the topic of interes will be treated.
Usually images of an explanatory nature are included, with a explanatory talk, the images are included to bring the reciver closer to the topic of interest in a friendly way.
it's purpose is to inform a non specialized public, and sometimes, without prior knowledge, so that the same present an interest in the subject.
Answer:
physical processes
chemical methods
physicochemical processes
biological methods
and several combinations thereof to fractionate the lignocellulose into its components.
Explanation:
Pretreatment involves the use of physical processes (e.g., size reduction, steaming/boiling, ultrasonication, and popping), chemical methods (e.g., acids, bases, salts, and solvents), physicochemical processes (e.g., liquid hot water and ammonium fibre explosion or AFEX), biological methods (e.g., white-rot/brown-rot fungi and bacteria), and several combinations thereof to fractionate the lignocellulose into its components.
