Wastewater treatment system and wastewater treatment method based on photoelectric Fenton-biological enhancement
A wastewater treatment system and bioaugmentation technology, applied in biological water/sewage treatment, special compound water treatment, water/sewage treatment, etc., can solve the problems of combination mechanism confusion, unstable process operation, increased equipment complexity and operation management Difficulty and other issues
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[0047] Example 1:
[0048] The production wastewater produced by a chemical enterprise needs to be treated. The high-concentration chemical wastewater before treatment has COD≤8000mg / L, pH 6.5~8.5, SS≤300mg / L, NH 3 -N≤100mg / L, TP≤2.5mg / L, characteristic pollutant concentration chlorobenzenes≤100mg / L. Chemical wastewater COD≤2500mg / L, pH 6.5~8.5, SS≤300mg / L, NH 3 -N≤50mg / L, TP≤1.0mg / L, characteristic pollutant concentration chlorobenzenes≤10mg / L. The effluent requirements meet the secondary standard of the "Main Water Pollutant Discharge Standard for the Chemical Industry of Jiangsu Province" (DB32 / 939-2006). The effluent index requires COD≤120mg / L, pH 6.5~8.5, SS≤150mg / L, NH 3 -N≤25mg / L, TP≤1.0mg / L, characteristic pollutant concentration chlorobenzenes≤1.0mg / L.
[0049] Adopt attached figure 1 Based on the photoelectric Fenton-bio-enhanced wastewater treatment system, including pre-aeration tank 1, photoelectric Fenton reactor 2, degassing and neutralizing tank 3, coagulation sed...
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[0064] Example 2:
[0065] The production wastewater produced by a chemical enterprise needs to be treated. The high-concentration chemical wastewater before treatment has COD≤10000mg / L, pH 6.5~8.5, SS≤300mg / L, NH 3 -N≤100mg / L, TP≤2.0mg / L, characteristic pollutant concentration nitrobenzene ≤100mg / L. Low concentration chemical wastewater COD≤3000mg / L, pH 6.5~8.5, SS≤300mg / L, NH 3 -N≤50mg / L, TP≤1.0mg / L, characteristic pollutant concentration nitrobenzene ≤10mg / L. The effluent requirements meet the secondary standard of the "Main Water Pollutant Discharge Standard for the Chemical Industry of Jiangsu Province" (DB32 / 939-2006). The effluent index requires COD≤120mg / L, pH 6.5~8.5, SS≤150mg / L, NH 3 -N≤25mg / L, TP≤1.0mg / L, characteristic pollutant concentration nitrobenzene ≤1.0mg / L.
[0066] Adopt attached figure 1 Based on the photoelectric Fenton-bio-enhanced wastewater treatment system, including pre-aeration tank 1, photoelectric Fenton reactor 2, degassing and neutralizing tank 3,...
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