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HITACHI PLANT ENGINEERING & CONSTRUCTION CO., LTD.
| HITACHI PLANT ENGINEERING & CONSTRUCTION CO., LTD. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090008313 | Process and equipment for treating ammonium containing liquid - The process for treating an ammonium containing liquid by denitrification treatment of an ammonium containing liquid containing at least ammonium comprises carrying out nitrate reduction treatment of reducing nitrate contained in or added to the ammonium containing liquid to nitrite, and carrying out anaerobic ammonium oxidation treatment of simultaneously anaerobically denitrifying nitrite produced in the nitrate reduction treatment and ammonium contained in the ammonium containing liquid by anaerobic ammonium oxidizing bacteria. | 01-08-2009 |
| 20090008308 | Process and equipment for treating ammonium containing liquid - The process for treating an ammonium containing liquid by denitrification treatment of an ammonium containing liquid containing at least ammonium comprises carrying out nitrate reduction treatment of reducing nitrate contained in or added to the ammonium containing liquid to nitrite, and carrying out anaerobic ammonium oxidation treatment of simultaneously anaerobically denitrifying nitrite produced in the nitrate reduction treatment and ammonium contained in the ammonium containing liquid by anaerobic ammonium oxidizing bacteria. | 01-08-2009 |