How can we recover or regenerate a heavy metal after biosorption of wastewater form industrial plants?

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Daniel Puyol

Once the sludge is dried, you could digest the remnant solids by sodium hydroxide. Then, you can dissolve again the solids in water and decrease the pH for dissolving the salts. Finally, you could precipitate the metals by adding carbonate. Fractionated precipitation could be used at this point.

Abhilekh Sahay

I am very thankful for your answer sir.

Sir, Is there any paper or is there any prescribed technique in this area for the regeneration of the metal.

Artis Robalds

U can use so called desorbing agents, for example, diluted acids.