It's ugly. Enter bioleaching, a 20-year-old technology developed in 1986 by S. African concern Gold Fields Limited. Bioleaching breaks down sulfide tailings, separating the remaining valuable ...

E-waste specialist Bioscope Technologies has signed up Techbuyer, which refurbishes and resells servers and other data center equipment, as an early adopter of its novel bioleaching solution.

For example, Acidithiobacillus thiooxidans and Alicyclobacillus disulfidooxidans, which were originally collected from an acidic mining lake (pH 2.6) in the Czech Republic and then grown together ...

The BioHeap process is a form of bioleaching. Traditionally, this is carried out by naturally occurring micro organisms, usually thermophiles, which are micro organisms usually found in acidic ...