Denitration catalyst for ship and preparation method of denitration catalyst
A denitration catalyst and technology for ships, applied in the field of flue gas denitration, can solve the problems of aggravating air pollution in ports and surrounding areas, and achieve the effects of high denitration efficiency, simple and reliable process
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[0032] Example 1
[0033] Take 88.89g of cleaned metatitanic acid (40wt% in terms of TiO2), put it into a 500ml burner, add a small amount of deionized water to make a slurry, then add 78.6g of zirconium oxychloride (in ZrO 2 The weight percentage is 30wt%), make it fully stirred, and then add 12.61g of cerium nitrate (in CeO 2 The weight percentage is 5wt%), niobium oxalate 0.47g (in Nb 2 O 5 The weight percentage is 5wt%), ferric nitrate 25.3g (as Fe 2 O 3 The weight percentage is 5 wt %), and the above materials are thoroughly mixed uniformly by vigorous stirring. Then pour into a kneader, add 21.1g of attapulgite (weight percent based on attapulgite solid content is 20%w), 5g of succulent powder, 0.48g of cotton fiber, 0.8g of polyethylene oxide, carboxymethyl fiber 0.25g of stearic acid, 0.2g of stearic acid, and 1.5g of ethanolamine. After fully kneading to make it have a certain toughness, it is taken out and placed on a small press molding machine, and extruded i...
Example Embodiment
[0034] Example 2
[0035] Take 88.89g of metatitanic acid (40wt% in terms of TiO2) and put it into a 500ml burner, add a small amount of deionized water to make a slurry, then add 78.6g of zirconium oxychloride (in ZrO 2 The weight percentage is 30wt%), make it fully stirred, and then add 17.66g of cerium nitrate (with CeO 2 The weight percentage is 7wt%), niobium oxalate 2.36g (in Nb 2 O 5 The weight percentage is 0.5wt%), ferric nitrate 25.3g (as Fe 2 O 3 The weight percentage is 5 wt %), and the above materials are thoroughly mixed uniformly by vigorous stirring. Then pour into a kneader, add attapulgite 19.4g (weight percentage based on attapulgite solid content is 17.5%w), 5g of sapella powder, 0.48g of cotton fiber, 0.8g of polyethylene oxide, carboxymethyl fiber 0.25 g of stearic acid, 0.2 g of stearic acid and 1.5 g of ethanolamine. After fully kneading to make it tough, it is taken out and placed on a small compression molding machine, and extruded into small pi...
Example Embodiment
[0036] Example 3
[0037] Take 88.89g of metatitanic acid (40wt% in terms of TiO2) and put it into a 500ml burner, add a small amount of deionized water to make a slurry, then add 78.6g of zirconium oxychloride (in ZrO 2 The weight percentage is 30wt%), make it fully stirred, and then add 22.7g of cerium nitrate (with CeO 2 The weight percentage is 9wt%), niobium oxalate 4.73g (in Nb 2 O 5 The weight percentage is 1wt%), ferric nitrate 25.3g (as Fe 2 O 3 The weight percentage is 5 wt %), and the above materials are thoroughly mixed uniformly by vigorous stirring. Then pour it into a kneader, add attapulgite 16.7g (weight percent based on attapulgite solid content is 15wt%), 5g succulent powder, 0.48g cotton fiber, 0.8g polyethylene oxide, carboxymethyl cellulose 0.25g, stearic acid 0.2g and ethanolamine 1.5g. After fully kneading to make it tough, it is taken out and placed on a small compression molding machine, and extruded into small pieces of honeycomb catalyst precu...
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