Patent ID: 7465691
Filing Date: 2008-12-16
Classification: C02F

Abstract:
1. A process of preparing a composition, for natural and waste waters purification, by heating and stirring an acid titanium-containing solution with compounds of metals selected from the group consisting of Groups I,IV and V of the Periodic Table, wherein the heating is carried out in at least two steps: in the first step it is carried out at the minimum rate of at least 3° C./min at a temperature in the range of 10-90° C., and in the second step the rate is slowed down to 1° C./min and is carried out for 0.5-2 hours at a temperature in the range of 95° C.-105° C., and then the third step is carried out for 0.5-2 hours at a temperature in the range of 105° C.-120° C.