I have no experience with liquid-liquid extraction and would like to ask about the control scheme
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I have never carried out liquid-liquid extraction, and I would like to ask about its control scheme. Just as oil enters from below and exits from above, flow control is required for both types of material. But once coming out of the extraction tower, it’s definitely not possible to control both streams. I would like to ask if it is the case that flow control is used for discharging material from the bottom of the tower, pressure control is used at the top of the tower, and the liquid level at the top serves as a parameter to control the amount of material discharged from the bottom of the tower. I’m not sure if my idea is right And there won’t be an interface at the bottom of the tower, right?
{:3_55:} We used to mix everything together and then let it settle into layers; your method of adding and removing materials so directly is too crude
I have a question: is there a separation tank at both the top and bottom of the extraction tower? Do you mean this?
We don’t use towers; instead, we use reaction vessels for mixing. I’ve never worked with towers before. After coming out, one must stay still for a while – if one keeps moving, it’s inevitable that some immiscible liquids will get mixed in
Yes, we use extraction towers
{:3_54:} Ask the institute in charge of design and manufacturing processes; it shouldn’t be too troublesome
First, we use a mixer for mixing, and then the mixture is sent to a stratification tank for two-phase separation; this is what we do, and it works well