He Li

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Questions related from He Li

How to calculate Sharp's method when study leaching kinetic?

I don't understand how to use Sharp's method to choose a correct model for my kinetic study. What if the metal leaching rate is very slow or even stagnant some time before the reaction, and grows...

3 weeks ago 9,921 0 View

When doing solvent extraction experiment, what if you stripping with sodium hydroxide, but the extractant appears to be layered?

Low concentrations of sodium hydroxide are unable to strip metals, and high concentrations of sodium hydroxide extractants make organic phase stratified, which makes it impossible to do...

18 March 2025 400 1 View

Why are many hydrophobic deep eutectic solvents used for extraction under alkaline conditions?

If you want to design a hydrophobic eutectic solvent as an extractant, how can you make it used for solvent extraction under acidic conditions? How should the extractant be modified to move its...

21 December 2023 8,515 2 View

Is it possible to use solvent extraction method to extract high concentration metal?

My research topic is to use solvent extraction method to purify a solvent solution. But the concentration of target metal is too high, nearly 5~10g/L, and the impurity metals totally add up to...

07 April 2023 5,930 2 View