Composite non-noble metal oxide catalyst for catalytic combustion of toluene and its preparation method and application
A non-precious metal, catalytic combustion technology, applied in metal/metal oxide/metal hydroxide catalysts, combustion methods, physical/chemical process catalysts, etc., can solve the problems of easy sintering, restricting the industrial application of precious metal catalysts, and high price , to achieve the effects of eliminating toluene, excellent low-temperature activity and thermal stability, and cost reduction
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Embodiment 1
[0025] This embodiment provides a composite non-precious metal oxide catalyst for catalytic combustion of toluene. The catalyst uses TiO 2 as a carrier to be supported on TiO 2 The composite non-precious metal oxide on the surface is the active component, and the structural formula of the composite non-precious metal oxide is: Sn 0.8 Mn 0.2 O 2 , the mass of the composite non-precious metal oxide accounts for 20% of the mass of the catalyst, TiO 2 The mass of the catalyst accounts for 80% of the mass of the catalyst.
[0026] The method for preparing the catalyst in this embodiment comprises the following steps:
[0027] Step 1. Take a clean beaker with a measuring range of 500 mL, add 300 mL of deionized water, and then weigh the amount of Mn (CH) according to the design requirements. 3 COO) 2 ·4H 2 O and SnCl 4 , then Mn (CH 3 COO) 2 ·4H 2 O and SnCl 4 Add to the beaker, stir to fully dissolve the two in deionized water, then place the beaker in an ultrasonic osc...
Embodiment 2
[0033] This embodiment provides a composite non-precious metal oxide catalyst for catalytic combustion of toluene. The catalyst uses TiO 2 as a carrier to be supported on TiO 2 The composite non-precious metal oxide on the surface is the active component, and the structural formula of the composite non-precious metal oxide is: Sn 0.7 Mn 0.3 O 2 , the mass of the composite non-precious metal oxide accounts for 25% of the mass of the catalyst, TiO 2 The mass of the catalyst accounts for 75% of the mass of the catalyst.
[0034] The method for preparing the catalyst in this embodiment comprises the following steps:
[0035] Step 1. Take a clean beaker with a measuring range of 500 mL, add 300 mL of deionized water, and then weigh the amount of Mn (CH) according to the design requirements. 3 COO) 2 ·4H 2 O and SnCl 4 , then Mn (CH 3 COO) 2 ·4H 2 O and SnCl 4 Add to the beaker, stir to fully dissolve the two in deionized water, then place the beaker in an ultrasonic osc...
Embodiment 3
[0040] This embodiment provides a composite non-precious metal oxide catalyst for catalytic combustion of toluene. The catalyst uses TiO 2 as a carrier to be supported on TiO 2 The composite non-precious metal oxide on the surface is the active component, and the structural formula of the composite non-precious metal oxide is: Sn 0.6 Mn 0.4 O 2 , the mass of the composite non-precious metal oxide accounts for 20% of the mass of the catalyst, TiO 2 The mass of the catalyst accounts for 80% of the mass of the catalyst.
[0041] The method for preparing the catalyst in this embodiment comprises the following steps:
[0042] Step 1. Take a clean beaker with a measuring range of 500 mL, add 300 mL of deionized water, and then weigh the amount of Mn (CH) according to the design requirements. 3 COO) 2 ·4H 2 O and SnCl 4 , then Mn (CH 3 COO) 2 ·4H 2 O and SnCl 4 Add to the beaker, stir to fully dissolve the two in deionized water, then place the beaker in an ultrasonic osc...
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Abstract
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