Difference between revisions of "Pickling of steel coil"
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Revision as of 10:18, 18 November 2010
Back to EFFICIENCY FINDER FOR METAL INDUSTRY
- Steel coil pickling Flowsheet
Literature: BAT for the surface treatment of metals & plastics, 2006
- Typical parameters of the process
| Process | Temperature [°C] | Concentration [g/l] | Heat transfer medium/chemical | Literature |
| Acid pickling of Low Alloy and Alloy HR steel | 75-95 | Hydrochloric or sulphuric acid | BAT for the surface treatment of metals & plastics, 2006 | |
| Acid pickling of High Alloy HR Steel | 70 | Mix of 10-18% nitric and 1-5% hydrofluoric acids | ||
| Coil pickling: spray pickling with sulfuric acid | 25 to 60 | 10 to 60 | sulfuric acid | |
| Coil pickling: spray pickling with hydrochloric acid | 20 to 40 | 100 to 150 | Hydrochloric acid |
