Electric enhanced internal circulation anaerobic reactor and method thereof
A technology of anaerobic reactor and anaerobic reaction zone, which is applied in the field of electric enhanced internal circulation anaerobic reactor, can solve the problems of poor sludge activity, low COD removal rate, and treatment effect to be further improved, so as to improve the reliability Biochemical property, improvement of treatment effect, effect of enhancing detoxification ability
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[0054] Example 1
[0055] The COD of a chemical wastewater after pretreatment is 1200-1400mg / L, BOD 5 It is 200-300mg / L, and the B / C ratio is about 0.2.
[0056] An electric-enhanced internal circulation anaerobic reactor of this embodiment includes a reactor body 100. The reactor body 100 is provided with an electrochemical activation detoxification zone 110, a first anaerobic reaction zone 120, and a second anaerobic reaction zone. The reaction zone 130, the precipitation zone 140 and the internal circulation unit 150. The number of electrochemical cell 111 in the electrochemical activation detoxification zone 110 is one, the shell 1113 of the electrochemical cell 111 is a stainless steel mesh (with an accuracy of 100 microns), two graphite electrode plates are built in, and the cathode 1110 uses graphite electrodes. The anode 1111 adopts a graphite electrode, and the middle of the electrode plate is filled with an iron-carbon filler layer 1112 (wherein, the filler particle size...
Example Embodiment
[0058] Example 2
[0059] The basic content of this embodiment is the same as that of embodiment 1, except that the COD of a certain pharmaceutical wastewater after pretreatment is 13162mg / L, BOD 5 It is 3412mg / L, and the B / C ratio is about 0.27.
[0060] An electric-enhanced internal circulation anaerobic reactor of this embodiment includes a reactor body 100. The reactor body 100 is provided with an electrochemical activation detoxification zone 110, a first anaerobic reaction zone 120, and a second anaerobic reaction zone. The reaction zone 130, the precipitation zone 140 and the internal circulation unit 150. The number of electrochemical cells 111 in the electrochemical activation and detoxification zone 110 is 7. The shell 1113 of the electrochemical cell 111 is made of stainless steel mesh (with an accuracy of 500 microns), the cathode 1110 is made of stainless steel electrodes, and the anode 1111 is made of ruthenium, iridium and titanium electrodes. , The electrode plate ...
Example Embodiment
[0062] Example 3
[0063] The basic content of this embodiment is the same as that of embodiment 1, except that the COD of a certain tannery wastewater after pretreatment is 2000mg / L, BOD 5 At 800mg / L, the B / C ratio is about 0.4.
[0064] An electric-enhanced internal circulation anaerobic reactor of this embodiment includes a reactor body 100. The reactor body 100 is provided with an electrochemical activation detoxification zone 110, a first anaerobic reaction zone 120, and a second anaerobic reaction zone. The reaction zone 130, the precipitation zone 140 and the internal circulation unit 150. The number of electrochemical cells 111 in the electrochemical activation and detoxification zone 110 is two, the shell 1113 of the electrochemical cell 111 is a stainless steel mesh (with an accuracy of 1000 microns), the cathode 1110 uses graphite electrodes, and the anode 1111 uses graphite electrodes. The plate is filled with iron-carbon filler layer 1112 (wherein, the filler particle...
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