Multivariate highly active component carbon monoxide adsorbent and its preparation method and application
A technology for active components and carbon monoxide, which is applied in the field of multi-active component carbon monoxide adsorbents and their preparation, can solve the problems of short service life, small removal capacity, and low carbon monoxide removal depth, etc., and achieves long service life and removal depth. The effect of high and strong fluctuation ability of carbon monoxide content in raw gas impurities
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Embodiment 1
[0028] Weigh Cu(NO 3 ) 2 , Zn(NO 3 ) 2 , Mn(NO 3 ) 2 , Ni(NO 3 ) 2 , Fe(NO 3 ) 3 , As shown in Table 1, stir and dissolve the above substances in 65℃ hot water, pour the mixture into the reaction kettle, and configure an excess of 20% aging agent Na 2 CO 3 The solution was slowly injected into the same reaction kettle for 4h aging reaction, the reaction was controlled at 70℃, pH value 9-10, and then the reacted slurry was centrifuged to make filter cake, and washed (water temperature 70℃) repeated 2 -3 times, until the pH value of the slurry is 6-7, and then the filter cake is dried at low temperature and roasted at 600°C for 5 hours, and the activated oxide powder after high temperature roasting is granulated into a columnar Ф5×(3~7) for use. Take 200ml of catalyst respectively and put it into a Ф40mm×2.5mm×300mm stainless steel reactor, and pass nitrogen gas at a space velocity of 10h -1 Purge for 2h. Under the conditions of pressure 0.5MPa and temperature 80℃, feed ethylene, ...
Embodiment 2~6
[0030] The preparation method and test method are the same as those in Example 1, except that the composition of the adsorbent is different. See Table 1 for details.
[0031] Table 1 Example 1-6 carbon monoxide adsorbent composition and evaluation results
[0032]
Embodiment 7
[0034] Weigh Cu(NO 3 ) 2 , Zn(NO 3 ) 2 , Mn(NO 3 ) 2 , Ni(NO 3 ) 2 , Fe(NO 3 ) 3 , The formulation is shown in Table 1. Stir and dissolve the above substances in 65℃ hot water, pour the mixture into the reactor, and configure an excess of 20% aging agent Na 2 CO 3 The solution was slowly injected into the same reaction kettle for 4h aging reaction, the reaction was controlled at 70℃, pH value 9-10, and then the reacted slurry was centrifuged to make filter cake, and washed (water temperature 70℃) repeated 2 -3 times, until the pH value of the slurry is 6-7, then dry the filter cake at low temperature and roast at 600°C for 5 hours, and granulate the high-temperature roasted active oxide powder into a columnar Ф5×(3-7) for use. Take 200ml of catalyst respectively and put it into a Ф40mm×2.5mm×300mm stainless steel reactor, and introduce nitrogen gas at a space velocity of 10h -1 Purge for 2h. Under the conditions of pressure 0.5MPa and temperature 90℃, feed ethylene and the gas p...
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