Ultrasonic-assisted mineralized refuse participating method for treating organic waste water by homogeneous Fenton
A technology for mineralizing garbage and organic wastewater, applied in the field of environmental pollution control, can solve the problems of complex synthesis process and expensive treatment efficiency of carriers, and achieve the effects of large specific surface area, promotion of cation exchange, strong adsorption and exchange capacity
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Embodiment 1
[0023] Add FeCl directly to 1L of wastewater with a concentration of 30mg / L Golden Orange II 2 、H 2 o 2 And after 15 years of landfilling, crushing, and mineralized waste passing through a 50-mesh sieve, Fe 2+ :H 2 o 2 =500:1 (molar ratio), the molar number of ferrous ion charges is 50% of the cation exchange capacity of the mineralized waste added, the solid-liquid ratio of the mineralized waste and wastewater is 1:5000 (mass ratio), and the pH value is adjusted to 6. Put the waste water into an ultrasonic reactor, apply ultrasonic waves with a frequency of 120KHz and a power of 1200W, perform ultrasonic treatment for 1min, and stir at the same time. After the reaction is completed, precipitate, solid-liquid separation, and measure the removal rate of pollutants obtained 98.7%;
[0024] The separated solid can continue to be recycled, and the separated solid is added to the same amount of waste water, and then the same amount of H 2 o 2 , adjust the pH value to 6, appl...
Embodiment 2
[0027] Add FeSO directly to 1L acid red wastewater with a concentration of 30mg / L 4 、H 2 o 2 And after 8 years of landfilling, crushing, and mineralized waste passing through a 100-mesh sieve, Fe 2+ :H 2 o 2 =1000:1 (molar ratio), the molar number of ferrous ion charges is 100% of the cation exchange capacity of the mineralized waste added, the solid-liquid ratio of the mineralized waste and wastewater is 1:500 (mass ratio), and the pH value is adjusted to 5. Put the wastewater into an ultrasonic reactor, apply ultrasonic waves with a frequency of 20kHz and a power of 100W, and perform ultrasonic treatment for 5 minutes for purification, while stirring, after the reaction is completed, precipitate, solid-liquid separation, and measure the removal rate of pollutants obtained 96.2%;
[0028] The separated solid can continue to be recycled, and the separated solid is added to the same amount of waste water, and then the same amount of H 2 o 2 , adjust the pH value to 5, ap...
Embodiment 3
[0031]Add FeCl directly to 1 L of phenol wastewater with a concentration of 30 mg / L 2 、H 2 o 2 And after 15 years of landfilling, crushing, and mineralized waste passing through a 100-mesh sieve, Fe 2+ :H 2 o 2 =800:1 (molar ratio), the molar number of ferrous ion charges is 100% of the cation exchange capacity of the mineralized waste added, the solid-liquid ratio of the mineralized waste and waste water is 1:1000 (mass ratio), and the pH value is adjusted to 6. Put the waste water into an ultrasonic reactor, apply ultrasonic waves with a frequency of 20kHz and a power of 1000W, perform ultrasonic treatment for 3 minutes, and stir at the same time. After the reaction is completed, precipitate, solid-liquid separation, and measure the removal rate of pollutants obtained 99.1%;
[0032] The separated solid can continue to be recycled, and the separated solid is added to the same amount of waste water, and then the same amount of H 2 o 2 , adjust the pH value to 6, apply ...
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