**Static Experiment:**
**Required Equipment:** A 1-liter beaker, a small aeration device, micro-electrolytic filler, acid, alkali, and coagulant.
Place 1 kg of the filler into the beaker and position an aeration stone at the bottom to create an aeration system. Fill the beaker with the wastewater to be tested, but not completely. Turn on the aeration and adjust the air flow to match the desired process conditions.
**Time Adjustment:** The experiment can be conducted in different time intervals such as 30, 45, 60, or 90 minutes, depending on the required reaction duration.
**pH Adjustment:** Adjust the pH to 2, 3, 4, 5, or 6, and measure the pH of the effluent after each test. This helps evaluate how different pH levels affect the treatment efficiency.
After the reaction is complete, pour out the wastewater. Neutralize the pH using lime or liquid alkali to bring it between 8 and 9, and add a small amount of coagulant like PAC if needed. Allow the mixture to settle, then collect the supernatant for further analysis.
**Dynamic Experiment:**
The dynamic test simulates a real reactor setup for continuous wastewater treatment. The reactor design can be customized based on the type of wastewater and site conditions. To estimate the treatment capacity, consider that the specific gravity of the filler is 1 ton per cubic meter, with a microporosity of 65%. If the micro-electrolysis process takes 60 minutes, one cubic meter of filler can treat 0.6 cubic meters of water per hour. For a 30-minute test, the rate would be 60/30 × 0.6 = 1.2 m³/hour. Similar calculations apply for other durations.
**Iron Carbon Filler Experiment – Summary of Wastewater Treatment Technologies!**
**Contact: Miss Li – 186-6364-0492**
**1. Printing and Dyeing Wastewater:** The micro-current and magnetic field effects between iron and carbon can break down chromophores in dyes, effectively decolorizing the wastewater.
**2. Electroplating and PCB Wastewater, Heavy Metal Complex Wastewater:** New ecological iron ions generated from the anode reduce heavy metal complexes. Combined with electrophoretic effects and iron hydroxide precipitation, this reduces both heavy metals and COD in the wastewater.
**3. Nitrobenzene, Aniline, Coking, Petrochemical, Hydrogen Peroxide, Rubber Auxiliary, and Benzene Ring Wastewater:** A 1.2V potential difference between iron and carbon creates a magnetic field that disrupts the molecular structure of pollutants. Electron movement under the magnetic field breaks carbon chains and rings, reducing COD and improving biodegradability, converting refractory compounds into easily degradable ones.
**4. Pharmaceutical Wastewater:** The micro-current effect transforms stable compounds in medical wastewater into more decomposable forms, lowering COD and killing pathogens in hospital wastewater.
**5. Papermaking Wastewater:** Micro-electrolysis, magnetic fields, and redox reactions convert long-chain polysaccharides into simpler sugars, greatly enhancing biodegradability and making the wastewater easier to remove with Fenton’s reagent.
**6. Livestock and High-Concentration Organic Wastewater:** Micro-electrolysis breaks down organic chains and destroys color-forming groups, reducing COD, ammonia nitrogen, and phosphorus levels.
**Iron Carbon Filler Experiment – Detailed Data for Various Wastewaters:**
**1. Pig Farm Wastewater:** Initial COD: 12,163.05 mg/L; Ammonia Nitrogen: 1,080.16 mg/L. After small-scale denitrification tower: COD: 1,790.43 mg/L; Ammonia Nitrogen: 13.28 mg/L. After micro-electrolysis: COD: 384.27 mg/L.
**2. Electroplating Wastewater:** Raw Water COD: 945 mg/L; After Micro-Electrolysis: 135 mg/L.
**3. Nitrobenzene Wastewater:** Raw Water COD: 3,800 mg/L; Nitrobenzene: 82.5 mg/L. After Iron-Carbon + Fenton: COD: 107 mg/L; Nitrobenzene: 0.26 mg/L.
**4. Aniline Wastewater:** Raw Water COD: 5,035 mg/L; After Two-Stage Micro-Electrolysis + Fenton: COD: 113 mg/L.
**5. Modified Starch Wastewater:** Raw Water COD: 12,000 mg/L; After Two-Stage Micro-Electrolysis: 5,875 mg/L.
**6. Cattle Wastewater:** Raw Water COD: 11,034 mg/L; After Two-Stage Micro-Electrolysis: 1,416 mg/L; After Two-Stage Micro-Electrolysis + Fenton: 857 mg/L.
**Chemical Wastewater:** Raw Water COD: 20,000 mg/L; After Two-Stage Micro-Electrolysis + Fenton: 1,600 mg/L.
**Required Equipment:** A 1-liter beaker, a small aeration device, micro-electrolytic filler, acid, alkali, and coagulant.
Place 1 kg of the filler into the beaker and position an aeration stone at the bottom to create an aeration system. Fill the beaker with the wastewater to be tested, but not completely. Turn on the aeration and adjust the air flow to match the desired process conditions.
**Time Adjustment:** The experiment can be conducted in different time intervals such as 30, 45, 60, or 90 minutes, depending on the required reaction duration.
**pH Adjustment:** Adjust the pH to 2, 3, 4, 5, or 6, and measure the pH of the effluent after each test. This helps evaluate how different pH levels affect the treatment efficiency.
After the reaction is complete, pour out the wastewater. Neutralize the pH using lime or liquid alkali to bring it between 8 and 9, and add a small amount of coagulant like PAC if needed. Allow the mixture to settle, then collect the supernatant for further analysis.
**Dynamic Experiment:**
The dynamic test simulates a real reactor setup for continuous wastewater treatment. The reactor design can be customized based on the type of wastewater and site conditions. To estimate the treatment capacity, consider that the specific gravity of the filler is 1 ton per cubic meter, with a microporosity of 65%. If the micro-electrolysis process takes 60 minutes, one cubic meter of filler can treat 0.6 cubic meters of water per hour. For a 30-minute test, the rate would be 60/30 × 0.6 = 1.2 m³/hour. Similar calculations apply for other durations.
**Iron Carbon Filler Experiment – Summary of Wastewater Treatment Technologies!**
**Contact: Miss Li – 186-6364-0492**
**1. Printing and Dyeing Wastewater:** The micro-current and magnetic field effects between iron and carbon can break down chromophores in dyes, effectively decolorizing the wastewater.
**2. Electroplating and PCB Wastewater, Heavy Metal Complex Wastewater:** New ecological iron ions generated from the anode reduce heavy metal complexes. Combined with electrophoretic effects and iron hydroxide precipitation, this reduces both heavy metals and COD in the wastewater.
**3. Nitrobenzene, Aniline, Coking, Petrochemical, Hydrogen Peroxide, Rubber Auxiliary, and Benzene Ring Wastewater:** A 1.2V potential difference between iron and carbon creates a magnetic field that disrupts the molecular structure of pollutants. Electron movement under the magnetic field breaks carbon chains and rings, reducing COD and improving biodegradability, converting refractory compounds into easily degradable ones.
**4. Pharmaceutical Wastewater:** The micro-current effect transforms stable compounds in medical wastewater into more decomposable forms, lowering COD and killing pathogens in hospital wastewater.
**5. Papermaking Wastewater:** Micro-electrolysis, magnetic fields, and redox reactions convert long-chain polysaccharides into simpler sugars, greatly enhancing biodegradability and making the wastewater easier to remove with Fenton’s reagent.
**6. Livestock and High-Concentration Organic Wastewater:** Micro-electrolysis breaks down organic chains and destroys color-forming groups, reducing COD, ammonia nitrogen, and phosphorus levels.
**Iron Carbon Filler Experiment – Detailed Data for Various Wastewaters:**
**1. Pig Farm Wastewater:** Initial COD: 12,163.05 mg/L; Ammonia Nitrogen: 1,080.16 mg/L. After small-scale denitrification tower: COD: 1,790.43 mg/L; Ammonia Nitrogen: 13.28 mg/L. After micro-electrolysis: COD: 384.27 mg/L.
**2. Electroplating Wastewater:** Raw Water COD: 945 mg/L; After Micro-Electrolysis: 135 mg/L.
**3. Nitrobenzene Wastewater:** Raw Water COD: 3,800 mg/L; Nitrobenzene: 82.5 mg/L. After Iron-Carbon + Fenton: COD: 107 mg/L; Nitrobenzene: 0.26 mg/L.
**4. Aniline Wastewater:** Raw Water COD: 5,035 mg/L; After Two-Stage Micro-Electrolysis + Fenton: COD: 113 mg/L.
**5. Modified Starch Wastewater:** Raw Water COD: 12,000 mg/L; After Two-Stage Micro-Electrolysis: 5,875 mg/L.
**6. Cattle Wastewater:** Raw Water COD: 11,034 mg/L; After Two-Stage Micro-Electrolysis: 1,416 mg/L; After Two-Stage Micro-Electrolysis + Fenton: 857 mg/L.
**Chemical Wastewater:** Raw Water COD: 20,000 mg/L; After Two-Stage Micro-Electrolysis + Fenton: 1,600 mg/L.
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