Metal sulfide are insoluble, ...
Published by Rakesh Govind, President, PRD Tech, Inc.
Metal sulfide are insoluble, so I presume that you are using sulfide to precipitate the metals and now you have dissolved sulfide left in the water. What is the pH since sulfide can be neutral as dissolved hydrogen sulfide gas or as sulfide ion?
if the pH is low, which means that most of the sulfide is neutral, then we can degas the hydrogen sulfide gas