The Kleingarn Regenerated Spent Acid at Increasing Ferrous ...
The Kleingarn Regenerated Spent Acid at Increasing Ferrous (Fe+2) and Ferric (Fe+3) Chloride Content Page 5 Bench tests revealed that regenerated spent acid removes mill scale at a rate of about 2.0 kg/min compared to fresh acid of 2.5 kg/min both at initial concentration of 15% HCl and a steel weight to acid volume of 0.044 MT/M3. This means ...