Irons
Well-known member
For those working with native sources of Precious metals and those processing electronic scrap, Arsenic removal from the process stream is an ogoing problem.
Seimens has an interesting process that is used on a large scale for cleaning drinking water with an Arsenic output level of a few Parts Per Billion. It uses inexpensive Ferric Hydroxide.
Here's a link to their brochure which explains how the process works:
http://www.water.siemens.com/SiteCo...lter_Products/Brochures/GF-GFH-BR-0709.29.pdf
Seimens has an interesting process that is used on a large scale for cleaning drinking water with an Arsenic output level of a few Parts Per Billion. It uses inexpensive Ferric Hydroxide.
Here's a link to their brochure which explains how the process works:
http://www.water.siemens.com/SiteCo...lter_Products/Brochures/GF-GFH-BR-0709.29.pdf
