Formaldehyde purification material
A formaldehyde purification and precious metal technology, applied in the direction of molecular sieve catalysts, chemical instruments and methods, chemical/physical processes, etc., can solve the problems of large difference in effect, catalyst deactivation, low formaldehyde purification rate, etc., to ensure single adsorption, Guaranteed adsorption effect
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[0022] Example 1
[0023] (1) Break the amantadine into granules and put it in a beaker, add an appropriate amount of ethylenediamine and water, and ultrasonically treat it with an ultrasonic cell disruptor for 15 minutes, set the frequency to 20kHz, and the power to 900w. After the ultrasonic treatment, the beaker is placed in the ice-water mixture, and the rotor is added after it is cooled, and an appropriate amount of silica sol and H2PtCl4 solution are sequentially added dropwise under stirring. After the dripping, the beaker was stirred and heated to 90° C. and kept for 30 min to form a synthetic solution with a molar ratio of amantadine: silicon source: noble metal source: ethylenediamine: water of 47:100:10:400:11240.
[0024] (2) The pre-prepared DD3R molecular sieve particles (with a particle size of 300nm) are added to the synthesis solution at a mass ratio of 0.5% after being ball milled, and the synthesis solution is placed in a microwave reactor and placed in a microwa...
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