Catalyst for degrading hydrogen peroxide as well as preparation method and application of catalyst
A catalyst, hydrogen peroxide technology, applied in chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, physical/chemical process catalysts, etc. The effect of large processing capacity, easy control and high conversion rate
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Embodiment 1
[0032] The catalyst of this embodiment includes an activated carbon carrier, and Pd, Pt and K loaded on the activated carbon carrier; the mass percentage of Pd in the catalyst is 0.9%, the mass percentage of Pt is 0.3%, and the mass percentage of K is 1.1%; the average particle diameter of the activated carbon carrier is 1.5mm, and the specific surface area is 1050m 2 / g.
[0033] The preparation method of present embodiment catalyst comprises the following steps:
[0034] Step 1, the palladium chloride that will contain 0.9g palladium is dissolved in the nitric acid of 1% mass percent concentration, the platinum chloride that will contain 0.3g platinum is dissolved in the nitric acid of 1.5% mass percent concentration, then the two are mixed Evenly, to obtain solution A, immerse 97.7g of activated carbon carrier in it, ultrasonically treat for 2.5h at a temperature of 65°C, and filter to obtain solid material A after natural cooling;
[0035] Step 2. Place the solid mater...
Embodiment 2
[0040] The present embodiment catalyst comprises activated carbon carrier, and the Pd, Ru and Ag loaded on the activated carbon carrier; The mass percentage of Pd in the described catalyst is 0.9%, the mass percentage of Ru is 0.3%, and the mass percentage of Ag is 1.1%; the average particle diameter of the activated carbon carrier is 2.0mm, and the specific surface area is 1450m 2 / g.
[0041] The preparation method of present embodiment catalyst comprises the following steps:
[0042] Step 1, the palladium chloride that will contain 0.9g palladium is dissolved in the nitric acid of 0.8% by mass percent concentration, the ruthenium chloride that will contain 0.3g ruthenium is dissolved in the nitric acid of 0.8% by mass percent concentration, then the two are mixed Uniformly obtain solution A, immerse 97.7g of activated carbon carrier in it, ultrasonically treat for 3 hours at a temperature of 68°C, and filter to obtain solid material A after natural cooling;
[0043] Ste...
Embodiment 3
[0048] The present embodiment catalyst comprises activated carbon carrier, and Pd, Sn and Ce loaded on the activated carbon carrier; The mass percentage of Pd in the described catalyst is 0.3%, the mass percentage of Sn is 0.1%, and the mass percentage of Ce is 0.5%; the average particle diameter of the activated carbon carrier is 1.5mm, and the specific surface area is 1050m 2 / g.
[0049] The preparation method of present embodiment catalyst comprises the following steps:
[0050] Step 1, the palladium chloride that will contain 0.3g palladium is dissolved in the nitric acid of 1% in mass percentage concentration, and the tin protochloride that will contain 0.1g tin is dissolved in the nitric acid of 1.5% in mass percentage concentration, then both Mix evenly to obtain solution A, immerse 99.1g of activated carbon carrier in it, ultrasonically treat for 3 hours at a temperature of 70°C, and filter to obtain solid material A after natural cooling;
[0051] Step 2. Place t...
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