| 摘要 |
<p>THE INVENTION RELATES TO A PROCESS AND TO AN APPARATUS FOR PREPARING MELAMINE BY THERMALLY CONVERTING UREA, CHARACTERIZED IN THAT A) THE REACTION OF UREA TO GIVE MELAMINE PROCEEDS AT LEAST PARTLY UNDER REACTION CONDITIONS UNDER WHICH AT LEAST ONE REACTANT, INTERMEDIATE AND/OR END PRODUCT IS IN A SUPERCRITICAL STATE, AND B) THE MIXTURE OF AT LEAST ONE REACTANT, INTERMEDIATE AND/OR END PRODUCT FORMS A SUBSTANTIALLY HOMOGENEOUS PHASE, AND ALL REACTANTS, INTERMEDUATES AND/OR END PRODUCTS ARE IN PARTICULARLY FULLY DISSOLVED.THE MONOPHASIC REACTION MAKES IT POSSIBLE TO REALIZE A PARTICULARLY EFFICIENT REACTION.</p> |
