Biomedical Engineering Reference
In-Depth Information
FIGURE 9.1
Falling film microreactor: (a) concept and (b) reactor made of stainless steel.
(Reprinted with permission from
[10]
.)
micromixers allows the formation of liquid films (
Fig. 9.1
) or small gas bubbles (
Fig. 9.2
), thus
increasing the contact surface between the two phases. Common gas-liquid reactions are
[1]
:
Substitution reactions (fluorination, chlorination, and nitration),
Addition reactions, and
Dehydration reactions.
Substitution reactions
such as fluorination, chlorination, and nitration can be carried out in a gas-
liquid system. For example, fluorine gas (F
2
) can be used directly for fluorination. The small size of
FIGURE 9.2
Micro-bubble column reactor: (a) concept and (b) reactor made of stainless steel.
(Reprinted with permission from
[10]
.)
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