Method for cleaning and regenerating SCR denitration catalyst for potassium and sodium poisoning deactivation
A denitration catalyst and cleaning liquid technology, which is applied in catalyst regeneration/reactivation, chemical instruments and methods, physical/chemical process catalysts, etc. Effect of pore structure, compressive and abrasion strength enhancement, and recovery of activity
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[0024] Example 1
[0025] A method for cleaning and regenerating an SCR denitration catalyst used for potassium and sodium poisoning and deactivation, comprising the following steps:
[0026] (1) Configuration of cleaning solution: Dissolve 10g of tea saponin in 56.7g of deionized water, heat to 45°C, heat and stir evenly, add 2g of fatty sodium sulfate and 15g of alkane at a temperature of 45°C while stirring base glycoside, 9g of lauryl amidopropyl ammonium oxide, 6g of sucrose fatty acid ester, 0.1g of EDTA disodium salt, stir well, adjust the pH value to 7, continue to stir and add 0.1g of emulsifier OP-10, 0.1g of leveling agent Peregal plus, 1g of penetration enhancer JFC, until 60min uniform, get the cleaning solution.
[0027] (2) get the weight of the cleaning solution 30g in the solution (1) and dilute it in 970g deionized water;
[0028] (3) Configuration of regeneration solution: 25g of sulfuric acid and 30g of vanadyl sulfate were dissolved in 945g of deionized ...
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[0034] Example 2
[0035] A method for cleaning and regenerating an SCR denitration catalyst used for potassium and sodium poisoning and deactivation, comprising the following steps:
[0036] (1) Configuration of cleaning solution: Dissolve 12g of tea saponin in 47.1g of deionized water, heat to 42°C, heat and stir evenly, add 4g of fatty sodium sulfate, 25g of fatty sodium sulfate, 25g of Alkyl glycoside, 5.8g of lauramide propyl ammonium oxide, 2.7g of sucrose fatty acid ester, 0.8g of EDTA disodium salt, stir well, adjust the pH value to 7.2, and after the solution is lowered to room temperature, Continue to stir and add 0.6 g of emulsifier OP-10, 1 g of leveling agent Peregal and 1 g of penetration enhancer JFC until it is uniform for 50 minutes, and then a cleaning solution is obtained.
[0037] (2) the cleaning solution in solution (1) is diluted in the deionized water of 960 according to the weight of 40g;
[0038] (3) configuration of regeneration solution: by weight...
Example Embodiment
[0044] Example 3
[0045] A method for cleaning and regenerating an SCR denitration catalyst used for potassium and sodium poisoning and deactivation, comprising the following steps:
[0046] (1) Configuration of cleaning solution: dissolve 15g of tea saponin in 38.1g of deionized water, heat to 30°C, heat and stir evenly, add 5g of fatty sodium sulfate, 30g of fatty sodium sulfate, 30g of Alkyl glycoside, 5g of lauramide propyl ammonium oxide, 3g of sucrose fatty acid ester, 1g of ethylenediaminetetraacetic acid disodium salt, stir well, adjust the pH value to 7.5, and continue stirring after the solution is lowered to room temperature. Add 1g of emulsifier OP-10, 0.9g of leveling agent Peregal and 1g of penetration enhancer JFC, until 50min uniform, to obtain cleaning solution;
[0047] (2) the cleaning solution in the solution (1) is diluted in the deionized water of 950 according to the weight of 50g;
[0048] (3) configuration of regeneration solution: by weight percent...
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