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This invention of Ivo Mavrovic claims an improvement in the prilling process of urea. A perforated prill tower bottom is suggested through which air flows and through which prills are forced to exit the prill tower in the centre of the tower.


 

Attachments:
Download this file (1976 Mavrovic 39333956 Prilling.pdf)1976 Mavrovic 39333956 Prilling.pdf[ ]198 kB