Electrolysis ... underway. Using a plastic tub that's large enough to fully submerge whatever it is you're cleaning, drill holes on one side of the tub and thread plastic-coated copper wire ...

The purification of copper ... the quality of the copper produced. Additionally, innovative methods for arsenic removal have been explored, such as the use of zirconium salts, which have shown ...

Researchers have proposed using polymer membranes modified with copper, zinc, and chromium metal ions for water purification. These polymers were used for the first time in water purification via ...