Treatment technology of mesitylene amine
A technology of mesitylene and waste water, applied in water/sewage treatment, reduced water/sewage treatment, water/sewage multi-stage treatment, etc., can solve the problem of high toxicity of aniline, failure to meet secondary emission standards, and non-compliance with national environmental protection requirements, etc.
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[0019] The invention relates to a method for treating mesitrazine waste water, which comprises adding formaldehyde to the mesitylene waste water to carry out a polycondensation reaction and generating a condensate to separate out, and then adding a polymer flocculant polyacrylamide (PAM) for precipitation, thereby The content of aniline compounds in wastewater is greatly reduced. Then it is treated with iron-carbon method, and the effluent of iron-carbon reaction tower is mixed with other industrial wastewater for aerobic biochemical treatment, and reaches the national secondary discharge standard. For its specific process steps, see figure 1 :
[0020] Step 1. Polycondensation reaction
[0021] Mesitylene waste water is brought together in regulating tank 1. Add sulfuric acid (concentration ≤ 50%) to the pool to adjust the pH value to 6, and use air to stir to make the mixture uniform. The waste water of the regulating tank I is pumped to the enamel reaction kettle, and t...
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