Catalytic oxidation evaporation recovery system for mercerizing waste alkali liquid of yarn-dyed fabric
A technology of catalytic oxidation and waste lye, applied in the direction of alkali metal oxide/hydroxide, alkali metal compound, textile industry wastewater treatment, etc., to achieve the effect of improving efficiency, suppressing foaming phenomenon and reducing steam consumption
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[0014] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0015] Such as figure 1 As shown, the present invention is a catalytic oxidation evaporation recovery system for yarn-dyed cloth mercerizing waste lye, including: weak lye filtration and collection unit, lye concentration evaporation and collection unit, and concentrated lye catalytic oxidation decolorization unit.
[0016] The light alkali liquor filtration and collection unit includes a self-cleaning filter A1, a light alkali collection tank 2 and a light alkali delivery pump 3 connected in series through pipelines; the light alkali collection tank 2 is provided with a thermometer and a liquid level gauge. Wherein the light alkali collecting tank 2 preferably comprises a plurality of tank bodies connected in series, and a thermometer and a liquid level gauge are respectively provided on each tank body.
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