A composite additive for limestone flue gas desulfurization
A composite additive and limestone technology, applied in separation methods, chemical instruments and methods, and dispersed particle separation, can solve problems such as unqualified chromaticity of desulfurization drainage, reduced desulfurization efficiency, and slow reaction process, so as to ensure efficient and stable operation, Effects of improving desulfurization efficiency and improving oxidation efficiency
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[0017] The present invention will be further described below in conjunction with embodiment.
[0018] Embodiment Carry out the production of nylon acid extraction residue first. The specific steps are:
[0019] (1), get nylon acid 200kg, place in the stirring tank, add the desalted water of the nylon acid 800kg that is taken in the stirring tank;
[0020] (2) Start the stirrer, heat slowly, control the heating rate at 3-5°C / min, and keep the temperature constant for 1 hour after heating to 50°C;
[0021] (3) Pass cooling water into the mixing tank, slowly lower the temperature at a rate of 2-3°C / min, and keep the temperature constant for 2 hours after the temperature drops to 15°C.
[0022] (4) After constant temperature for 2 hours, vacuum filtration is used to remove the filtrate. The remaining crystals in the stirring tank are the residues of nylon acid extraction.
[0023] Then take 88kg of nylon acid extraction residue, 2kg of salicylic acid, 2kg of humic acid, 3kg of...
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