A kind of treatment method of heavy metal sewage
A treatment method and heavy metal technology, applied in water/sewage treatment, water/sewage multi-stage treatment, oxidized water/sewage treatment, etc., can solve the problems of a large amount of chemical sludge, dosing a large amount of chemical agents, etc., and achieve high treatment efficiency , to eliminate secondary pollution, the effect of high operational flexibility
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Embodiment 1
[0027] A treatment method for heavy metal sewage, the method comprises the following steps:
[0028] Step 1. Mechanical treatment: Sorting the sewage through the coarse mechanical grid, and then crushing the impurities through the fine mechanical grid, and then entering the cyclone grit chamber for treatment;
[0029] Step 2. Ultrasonic-microwave photocatalytic degradation of organic matter: the effluent of the cyclone grit chamber is passed through the reflux pump ( figure 1 Middle 1) into the ultrasonic-microwave photocatalytic reactor ( figure 1 shown), rod-shaped microwave electrodeless UV lamp ( figure 1 5) and nano Ag / TiO 2 Laser-melted electrospun porous silica fiber webs ( figure 1 Middle 4) Arranged in a staggered manner inside the reactor, turn on the microwave electrodeless ultraviolet lamp and the ultrasonic generator ( figure 1 Middle 3), reacted for 20min, the organic matter was degraded to generate volatile gas, which was passed through the tail gas treatmen...
Embodiment 2
[0034] A treatment method for heavy metal sewage, the method comprises the following steps:
[0035] Step 1. Mechanical treatment: Sorting the sewage through the coarse mechanical grid, and then crushing the impurities through the fine mechanical grid, and then entering the cyclone grit chamber for treatment;
[0036] Step 2. Ultrasonic-microwave photocatalytic degradation of organic matter: the effluent of the cyclone grit chamber is passed through the reflux pump ( figure 1 Middle 1) into the ultrasonic-microwave photocatalytic reactor ( figure 1 shown), rod-shaped microwave electrodeless UV lamp ( figure 1 5) and nano Ag / TiO 2 Laser-melted electrospun porous silica fiber webs ( figure 1 Middle 4) Arranged in a staggered manner inside the reactor, turn on the microwave electrodeless ultraviolet lamp and the ultrasonic generator ( figure 1 Middle 3), reacted for 30min, the organic matter was degraded to generate volatile gas, which was passed through the tail gas treatmen...
Embodiment 3
[0041] A treatment method for heavy metal sewage, the method comprises the following steps:
[0042] Step 1. Mechanical treatment: Sorting the sewage through the coarse mechanical grid, and then crushing the impurities through the fine mechanical grid, and then entering the cyclone grit chamber for treatment;
[0043] Step 2. Ultrasonic-microwave photocatalytic degradation of organic matter: the effluent of the cyclone grit chamber is passed through the reflux pump ( figure 1 Middle 1) into the ultrasonic-microwave photocatalytic reactor ( figure 1 shown), rod-shaped microwave electrodeless UV lamp ( figure 1 5) and nano Ag / TiO 2 Laser-melted electrospun porous silica fiber webs ( figure 1 Middle 4) Arranged in a staggered manner inside the reactor, turn on the microwave electrodeless ultraviolet lamp and the ultrasonic generator ( figure 1 Middle 3), reacted for 40min, the organic matter was degraded to generate volatile gas, which was passed through the tail gas treatmen...
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