A device and method for treating heavy metal ions in wastewater
A technology for heavy metal ions and wastewater treatment, applied in filtration treatment, water/sewage treatment, chemical instruments and methods, etc., can solve problems such as metal loss, pollution of water and water resources, and threat to health, and achieves simple structure and convenient operation. Effect
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Embodiment 1
[0025] A method for treating heavy metal ions in waste water, comprising the steps of:
[0026] (1) Open the circulation valve 6, fill up the copper-containing waste water to the water tank 1, then turn on the water pump 2 and the water bath heating device 3, the temperature of the water bath heating device 3 is controlled at 25°C, and the magnetic field strength of the horizontally oriented permanent magnet 4 is 3T , the magnetic field strength of the second permanent magnet 5 is 0.5T, and both the first permanent magnet 4 and the second permanent magnet 5 are arranged horizontally and directly clamped on the pipe wall of the circulation pipeline. The direction of the magnetic field lines of the first permanent magnet 4 is parallel to and identical to the liquid flow direction, and the magnetic field line direction of the second permanent magnet 5 is perpendicular to the liquid flow direction. The pH of the wastewater is 5, and then the water velocity in the pipeline is adjus...
Embodiment 2
[0033] A method for treating heavy metal ions in waste water, comprising the steps of:
[0034](1) Open the circulation valve 6, fill the water tank 1 with copper-containing wastewater, and then turn on the water pump 2 and the water bath heating device 3. The temperature of the water bath heating device 3 is controlled at 30°C, and the magnetic field strength of the horizontally oriented permanent magnet 4 is 3.2T , the magnetic field strength of the second permanent magnet 5 is 1T, and the first permanent magnet 4 and the second permanent magnet 5 are both horizontally distributed and directly clamped on the pipe wall of the circulation pipeline. The direction of the magnetic field lines of the first permanent magnet 4 is parallel to and identical to the liquid flow direction, and the magnetic field line direction of the second permanent magnet 5 is perpendicular to the liquid flow direction. The pH value of the wastewater is 6, and then the water velocity in the pipeline is...
Embodiment 3
[0041] A method for treating heavy metal ions in waste water, comprising the steps of:
[0042] (1) Open the circulation valve 6, pour the wastewater containing copper smelting into the water tank 1 and fill up the water tank 1, then turn on the water pump 2 and the water bath heating device 3, the temperature of the water bath heating device 3 is controlled at 35°C, and the first horizontal orientation The magnetic field strength of the permanent magnet 4 is 3.5T, and the magnetic field strength of the second permanent magnet 5 is 1.5T. Both the first permanent magnet 4 and the second permanent magnet 5 are mounted horizontally on the pipe wall of the circulation pipeline. The direction of the magnetic field lines of the first permanent magnet 4 is parallel to and identical to the liquid flow direction, and the magnetic field line direction of the second permanent magnet 5 is perpendicular to the liquid flow direction. The pH value of the wastewater is 7, and then the water v...
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