| Year of use | Nitrogen purity | NItrogen flow rate | Application industry |
| 08.2001 | 97% | 800m3/h | coal |
| 09.2002 | 97% | 800m3/h | coal |
| 08.2003 | 97% | 800m3/h | coal |
| 08.2004 | 97% | 200m3/h | coal |
| 01.2006 | 97% | 1000m3/h | coal |
| 07.2006 | 97% | 1000m3/h | coal |
| 02.2009 | 97% | 1000m3/h | coal |
| 06.2009 | 97% | 200m3/h,8kg | coal |
Case site figure
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