Process for treating organic wastewater
A technology for organic wastewater treatment and organic wastewater treatment, applied in water/sewage treatment, oxidized water/sewage treatment, water/sludge/sewage treatment, etc., to achieve the effects of simple preparation process, uniform reaction, and efficient and fast catalytic reaction
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Embodiment example 1
[0018] Containing methyldiethanolamine and methylethanolamine organic wastewater COD content is 100000mg / L, wastewater and catalyst (cerium-zirconium molar ratio is 9:1 in the carrier, impregnation I 3 The mass ratio of Ru to the carrier is 4%, calcined at 200°C for 15h at high temperature), the liquid-solid ratio is 10:1, pure oxygen is introduced, the reaction temperature is 200°C, the pressure is 4MPa, and the reaction is stirred for 2h; the COD removal rate of wastewater reaches 83.0% .
Embodiment example 2
[0020] The COD content of organic wastewater containing dimethylmethanolamine and ethanolamine is 20000mg / L, and the wastewater and catalyst (the molar ratio of cerium and zirconium in the carrier is 4:6, H 2 PtCl 6 The mass ratio to the carrier is 1%, high-temperature calcination at 500°C, 2h) the liquid-solid ratio is 50:1, air is introduced, the reaction temperature is 180°C, the pressure is 8MPa, and the reaction is stirred for 1h; the COD removal rate of wastewater reaches 76.0%.
Embodiment example 3
[0022] The COD content of organic wastewater containing methylethanolamine is 5000mg / L, and the wastewater and catalyst (the molar ratio of cerium and zirconium in the carrier is 5:5, impregnated with RuCl 3 The mass ratio to the carrier is 5%, high-temperature calcination at 300°C, 5h) the liquid-solid ratio is 10:1, pure oxygen is introduced, the reaction temperature is 220°C, the pressure is 5MPa, and the reaction is stirred for 4h; the COD removal rate of wastewater reaches 95.0%.
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