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AMI GROLINZ MELAMINE INTERNATIONAL GMBH
| AMI GROLINZ MELAMINE INTERNATIONAL GMBH Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090294272 | METHOD FOR THE PURIFICATION OF WASTEWATERS FROM MELAMINE SYSTEMS - The invention relates to a method for purifying wastewaters of melamine systems. The method is characterized in that triazine-containing wastewater is subjected to a thermal pretreatment stage, whereupon the vapors are condensed from the gas phase of the thermal pretreatment stage, and the liquid phase of the thermal pretreatment stage is subjected to a thermal hydrolysis stage while NH | 12-03-2009 |