Complex iron catalyst solution and preparation method thereof
A catalyst, complex iron technology, applied in chemical instruments and methods, organic compound/hydride/coordination complex catalysts, physical/chemical process catalysts, etc., can solve problems affecting the quality of chemical products, catalyst poisoning and deactivation, corrosion Pipeline equipment and other issues, to achieve the effect of being suitable for large-scale production, improving desulfurization efficiency and cheap price
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[0024] In addition, another embodiment of the present invention discloses a method for preparing a complex iron catalyst solution, which is used to prepare the complex iron catalyst solution disclosed in the foregoing embodiments, the preparation method comprising: weighing the iron source containing sulfate , the stabilizer and the organic complexing agent are dissolved in water to obtain a solution, the solution is stirred and the pH regulator is continuously added to the solution during the stirring to obtain the Complex iron catalyst solution.
[0025] Further, when the iron source contains ferrous ions, the stirring the solution includes: stirring the solution and introducing air or oxygen, so that the ferrous ions are oxidized to ferric ions . It can be understood here that when the solution is stirred, the ferrous ions in the solution will react with oxygen in the air or introduced pure oxygen to undergo a chemical reaction and become ferric ions.
[0026] Further, wh...
Embodiment 1
[0029] Weigh 6.7Kg of sorbitol, 24Kg of disodium EDTA and 10Kg of ferrous sulfate and dissolve them in 1000L deionized water to form a solution. Stir the solution for 12 hours so that the internal raw materials can fully contact and oxidize ferrous ions, and continuously add to the solution during stirring. Sodium carbonate was added to adjust the pH value of the solution, so that the final pH value of the complex iron catalyst solution was 9.2, and a dark red solution was obtained.
Embodiment 2
[0031] Weigh 6.7Kg of sorbitol, 24Kg of disodium EDTA and 15.1Kg of ferrous ammonium sulfate and dissolve them in 1000L deionized water, stir the solution for 12 hours, so that the internal raw materials can fully contact and oxidize the ferrous ions. Sodium carbonate was added to adjust the pH value of the solution, so that the final pH value of the complex iron catalyst solution was 9.2, and a dark red solution was obtained.
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