CN102659220A - Method for removing ferric phosphate film and ferrous phosphate passivating film from filler surface layer in iron-carbon microelectrolysis reactor - Google Patents
Method for removing ferric phosphate film and ferrous phosphate passivating film from filler surface layer in iron-carbon microelectrolysis reactor Download PDFInfo
- Publication number
- CN102659220A CN102659220A CN2012101387741A CN201210138774A CN102659220A CN 102659220 A CN102659220 A CN 102659220A CN 2012101387741 A CN2012101387741 A CN 2012101387741A CN 201210138774 A CN201210138774 A CN 201210138774A CN 102659220 A CN102659220 A CN 102659220A
- Authority
- CN
- China
- Prior art keywords
- iron
- phosphate
- reaction tank
- electrolysis reactor
- charcoal micro
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention relates to a method for removing a ferric phosphate film and a ferrous phosphate passivating film from filler surface layer in an iron-carbon microelectrolysis reactor. The method comprises the following steps of: (1) adding anaerobic sludge or aerobic sludge and sewage or self-prepared water for providing nutrient substances for the growth metabolism of microbes into a reaction tank, in which fillers are hardened, of the iron-carbon microelectrolysis reactor, standing in the reaction tank of the iron-carbon microelectrolysis reactor for at least 30 minutes; and (2) when the standing time in the step (1) expires, introducing the sewage or the self-prepared water into the reaction tank continuously while discharging a mixed solution out of the reaction tank continuously, and continuously operating according to the mode until the ferric phosphate film and the ferrous phosphate passivating film on the filler surface layer in the reactor tank of the iron-carbon microelectrolysis reactor are decomposed completely, wherein the hydraulic retention time of the sewage or the self-prepared water in the reaction tank is 4 to 10 hours.
Description
Technical field
The invention belongs to the method that removes filler top layer passive film in the micro-electrolysis reactor, particularly a kind of method that removes filler top layer tertiary iron phosphate and ferrous phosphate passive film in the iron charcoal micro-electrolysis reactor.
Background technology
Iron-carbon micro-electrolysis is based on the corrosion electrochemistry principle of iron; Two kinds of iron and carbon with different electric electrode potential are in direct contact with together; Be immersed in the conductive electrolyte solution, battery effect takes place and form countless small corrosion galvanic cells, comprise the technology of macroscopical battery and microcosmic battery.Metal anode is prone to be corroded and consumes, and galvanic corrosion has simultaneously caused a series of related synergies again, thus iron charcoal micro-electrolysis method have flocculation, absorption, bridge formation, roll up sweep, sink altogether, the combined effect of multiple effects such as galvanic deposit, electrochemical reduction.
Iron charcoal micro electrolysis tech has pre-treatment effect efficiently to poisonous and harmful trade effluents such as petrochemical complex, printing and dyeing, pharmacy and plating; Poisonous difficult degradation pollutent in can decomposition and inversion waste water; Improve the biodegradability of waste water, have advantages such as working cost is low, management easy to operate simultaneously.But there is the problem that iron-carbon filling material hardens that takes place easily in iron charcoal micro electrolysis tech in practical application, especially in the treating processes of phosphorus-containing acid ion trade effluent, and the Fe that phosphate radical can generate with iron rot
2+And Fe
3+Ion combines to generate ferrous phosphate and tertiary iron phosphate fast, and ferrous phosphate and tertiary iron phosphate can cover iron-carbon filling material particulate surface with the crystalline form, forms the fine and close passive film of one deck, causes iron-carbon filling material to lose activity.
Remove iron-carbon filling material top layer tertiary iron phosphate and ferrous phosphate passive film, prior art (is seen Liu H N, Li G T, Qu J H, et al. Degradation of azo dye Acid Orange 7 in water by Fe to common employing intensified by ultrasonic wave method
0/ granular activated carbon system in the presence of ultrasound [J]. Journal of Hazardous Materials; 2007; 144 (1-2): 180-186.) and mechanical mixing method (Qu Jiuhui; Liu Haining. a kind of rotary drum type reaction apparatus for waste water treatment by micro-electrolysis [P]. CN:1789155A, 2006), there is the high and high problem of running cost of energy consumption in said method.Therefore, the method that presses for a kind of economical and efficient is removed the tertiary iron phosphate and the ferrous phosphate passive film on iron-carbon filling material top layer, to recover the activity of iron-carbon filling material.
Summary of the invention
The purpose of this invention is to provide a kind of method that removes filler top layer tertiary iron phosphate and ferrous phosphate passive film in the iron charcoal micro-electrolysis reactor; This kind method can not only remove the tertiary iron phosphate and the ferrous phosphate passive film on iron-carbon filling material top layer efficiently; And cost is low, and is simple to operate.
Technical scheme of the present invention: inoculation anaerobion or aerobic microbiological in the micro-electrolysis reactor of tertiary iron phosphate and ferrous phosphate passive film occur to the iron-carbon filling material top layer; Add the high sewage of biodegradability simultaneously or be that mikrobe provides nutritive substance, decompose the tertiary iron phosphate and the ferrous phosphate passive film on iron-carbon filling material top layer through the dephosphorizing of mikrobe from water distribution.
The method that removes filler top layer tertiary iron phosphate and ferrous phosphate passive film in the iron charcoal micro-electrolysis reactor according to the invention, process step is following:
(1) in the reaction tank that the iron charcoal micro-electrolysis reactor that filler hardens takes place, add anaerobic sludge or aerobic sludge and for the microorganism growth metabolism provides the sewage of nutritive substance or from water distribution, and in the reaction tank of said iron charcoal micro-electrolysis reactor parked 30min at least;
(2) after the said holding time of step (1) expires; In said reaction tank, feed continuously said sewage or from water distribution; Mixed solution in the reaction tank is discharged continuously; Operation continuously in a manner described, till the tertiary iron phosphate on filler top layer and ferrous phosphate passive film decompose fully in the reaction tank of iron charcoal micro-electrolysis reactor, said sewage or be 4～10 h from the hydraulic detention time of water distribution in reaction tank.
In the aforesaid method, said anaerobic sludge and aerobic sludge derive from the active sludge of municipal wastewater treatment plant or industrial sewage treatment plant anaerobic treatment unit and aerobic processing unit.
In the aforesaid method; The add-on of said anaerobic sludge of step (1) or aerobic sludge is: the volume ratio of filler is 1:60～1:20 in the reaction tank of anaerobic sludge or aerobic sludge and iron charcoal micro-electrolysis reactor, said sewage or exceed with the filler in the reaction tank that floods iron charcoal micro-electrolysis reactor and anaerobic sludge or aerobic sludge from the add-on of water distribution.
In the aforesaid method, said sewage or be 300～2000 mg/L, BOD from the COD of water distribution concentration
5/ COD value＞0.4.
In the aforesaid method, the water temperature in the reaction tank of said iron charcoal micro-electrolysis reactor is controlled at 20～45 ℃.
In the aforesaid method; Said formulated by readily biodegradable organism, ammonium salt, sylvite, magnesium salts, calcium salt and water from water distribution, in water distribution, the organic concentration of readily biodegradable is 300～2000 mg/L; The concentration of ammonium salt is 60 ~ 450 mg/L; The concentration of sylvite is 5～30 mg/L, and the concentration of magnesium salts is 5～30 mg/L, and the concentration of calcium salt is 5～30 mg/L.
In the aforesaid method, the preferred glucose of said readily biodegradable organism is or/and Zulkovsky starch, and said ammonium salt preferably sulfuric acid ammonium is or/and ammonium chloride; The preferred Repone K of said sylvite; Said magnesium salts preferably sulfuric acid magnesium, said calcium salt preferably calcium chloride, said water are tap water or middle water.
The metabolism that the method for the invention is utilized mikrobe is decomposed into Fe with the tertiary iron phosphate and the ferrous phosphate passive film on filler top layer
3+, Fe
2+, PO
4 3-, the above-mentioned ion quilt soluble in water that is discharged is discharged iron charcoal micro-electrolysis reactor continuously.
The present invention has following beneficial effect:
1, because the method for the invention is inoculated in the reaction tank of iron charcoal micro-electrolysis reactor with anaerobic sludge or aerobic sludge as anaerobion or aerobic microbiological source, be that the microorganism growth metabolism provides nutritive substance with sewage or from water distribution, thus with low cost.
2, experiment shows (seeing each embodiment); After in the reaction tank of the iron charcoal micro-electrolysis reactor that the generation filler hardens, inoculating anaerobion or aerobic microbiological; Operation can make the tertiary iron phosphate on filler top layer and ferrous phosphate passive film decompose fully in 10 ~ 15 days continuously, showed that the method for the invention can remove the tertiary iron phosphate and the ferrous phosphate passive film on filler top layer efficiently.
3, the method for the invention is behind inoculation anaerobion or aerobic microbiological in the reaction tank of the iron charcoal micro-electrolysis reactor that hardens to the generation filler; Only need to feed continuously for the microorganism growth metabolism and the sewage of nutritive substance is provided or from water distribution; And discharge the mixed solution in the reaction tank continuously; Thereby simple to operate, energy consumption is low.
Description of drawings
Fig. 1 is the structural representation of iron charcoal micro-electrolysis reactor, 1-tank wherein, 2-intake pump, 3-reaction tank.
Fig. 2 is ESEM (SEM) photo of filler in the iron charcoal micro-electrolysis reactor; Magnification is 50; Wherein, be that filler top layer tertiary iron phosphate and ferrous phosphate passive film remove preceding photo (a), (e) be the photo after filler top layer tertiary iron phosphate and ferrous phosphate passive film remove.
Fig. 3 is ESEM (SEM) photo of filler in the iron charcoal micro-electrolysis reactor; Magnification is 300; Wherein, be that filler top layer tertiary iron phosphate and ferrous phosphate passive film remove preceding photo (b), (f) be the photo after filler top layer tertiary iron phosphate and ferrous phosphate passive film remove.
Fig. 4 is ESEM (SEM) photo of filler in the iron charcoal micro-electrolysis reactor; Magnification is 1000; Wherein, be that filler top layer tertiary iron phosphate and ferrous phosphate passive film remove preceding photo (c), (g) be the photo after filler top layer tertiary iron phosphate and ferrous phosphate passive film remove.
Fig. 5 is ESEM (SEM) photo of filler in the iron charcoal micro-electrolysis reactor; Magnification is 5000; Wherein, be that filler top layer tertiary iron phosphate and ferrous phosphate passive film remove preceding photo (d), (h) be the photo after filler top layer tertiary iron phosphate and ferrous phosphate passive film remove.
Embodiment
Remove to according to the invention that the method for filler top layer tertiary iron phosphate and ferrous phosphate passive film is described further in the iron charcoal micro-electrolysis reactor through embodiment below.Among the following embodiment, the structure of said iron charcoal micro-electrolysis reactor is as shown in Figure 1; Said anaerobic sludge and aerobic sludge are respectively the mud of unitary mud of municipal wastewater treatment plant anaerobic treatment and aerobic processing unit.
The filler that hardens in the reaction tank 3 of iron charcoal micro-electrolysis reactor is shown in the photo (b) among the photo among Fig. 2 (a), Fig. 3, photo (c), photo (d) among Fig. 5 among Fig. 4; Its top layer is coated with fine and close tertiary iron phosphate and ferrous phosphate passive film, and present embodiment adopts following process step to remove the tertiary iron phosphate and the ferrous phosphate passive film on filler top layer:
(1) in the reaction tank 3 of the iron charcoal micro-electrolysis reactor that the generation filler hardens, adds anaerobic sludge and sewage; The volume ratio of filler is 1:40 in the reaction tank of anaerobic sludge and iron charcoal micro-electrolysis reactor; The add-on of sewage is exceeded with filler in the reaction tank that floods iron charcoal micro-electrolysis reactor and anaerobic sludge; The COD concentration of said sewage is 300 mg/L, BOD
5/ COD value＞0.4 is controlled at 30 ℃ with the water temperature in the said reaction tank 3, parked 100 min;
(2) after the said holding time of step (1) expires; In said reaction tank 3, feed said sewage continuously and keep water temperature at 30 ℃; Mixed solution in the reaction tank 3 is discharged continuously, and the hydraulic detention time of said sewage in the reaction tank 3 of iron charcoal micro-electrolysis reactor is 4 h, moves 15 days in a manner described continuously; The tertiary iron phosphate on filler top layer and ferrous phosphate passive film promptly decompose fully, the PO of generation
4 3-Ion is discharged from reaction tank 3.Remove filler behind tertiary iron phosphate and the ferrous phosphate passive film and see photo (e) among Fig. 2, the photo (f) among Fig. 3, the photo (g) among Fig. 4, the photo (h) among Fig. 5.
The filler that hardens in the reaction tank 3 of iron charcoal micro-electrolysis reactor is shown in the photo (b) among the photo among Fig. 2 (a), Fig. 3, photo (c), photo (d) among Fig. 5 among Fig. 4; Its top layer is coated with fine and close tertiary iron phosphate and ferrous phosphate passive film, and present embodiment adopts following process step to remove the tertiary iron phosphate and the ferrous phosphate passive film on filler top layer:
(1) in the reaction tank 3 of the iron charcoal micro-electrolysis reactor that the generation filler hardens, adds aerobic sludge and sewage; The volume ratio of filler is 1:60 in the reaction tank of aerobic sludge and iron charcoal micro-electrolysis reactor; The add-on of sewage is exceeded with filler in the reaction tank that floods iron charcoal micro-electrolysis reactor and aerobic sludge; The COD concentration of said sewage is 400 mg/L, BOD
5/ COD value＞0.4 is controlled at 20 ℃ with the water temperature in the said reaction tank 3, parked 120min;
(2) after the said holding time of step (1) expires; In said reaction tank 3, feed said sewage continuously and keep water temperature at 20 ℃; Mixed solution in the reaction tank 3 is discharged continuously, and the hydraulic detention time of said sewage in the reaction tank 3 of iron charcoal micro-electrolysis reactor is 6h, moves 14 days in a manner described continuously; The tertiary iron phosphate on filler top layer and ferrous phosphate passive film promptly decompose fully, the PO of generation
4 3-Ion is discharged from reaction tank 3.Remove filler behind tertiary iron phosphate and the ferrous phosphate passive film and see photo (e) among Fig. 2, the photo (f) among Fig. 3, the photo (g) among Fig. 4, the photo (h) among Fig. 5.
The filler that hardens in the reaction tank 3 of iron charcoal micro-electrolysis reactor is shown in the photo (b) among the photo among Fig. 2 (a), Fig. 3, photo (c), photo (d) among Fig. 5 among Fig. 4; Its top layer is coated with fine and close tertiary iron phosphate and ferrous phosphate passive film, and present embodiment adopts following process step to remove the tertiary iron phosphate and the ferrous phosphate passive film on filler top layer:
(1) in the reaction tank 3 that the iron charcoal micro-electrolysis reactor that filler hardens takes place, adds anaerobic sludge and from water distribution, the volume ratio of filler is 1:20 in the reaction tank of anaerobic sludge and iron charcoal micro-electrolysis reactor, exceeds with filler in the reaction tank that floods iron charcoal micro-electrolysis reactor and anaerobic sludge from the add-on of water distribution; Water temperature in the said reaction tank 3 is controlled at 35 ℃; Parked 60min, said formulated by glucose, ammonium chloride, Repone K, calcium chloride, sal epsom and tap water from water distribution, in water distribution; The concentration of glucose is 800 mg/L; The concentration of ammonium chloride is 160 mg/L, and the concentration of Repone K is 30 mg/L, and the concentration of calcium chloride and sal epsom is 5 mg/L; This kind is about 2000 mg/L, BOD from the COD of water distribution concentration
5/ COD value＞0.5;
(2) after the said holding time of step (1) expires; In said reaction tank 3, feed continuously said from water distribution and keep water temperature at 35 ℃; Mixed solution in the reaction tank 3 is discharged continuously, and said is 7h from the hydraulic detention time of water distribution in the reaction tank 3 of iron charcoal micro-electrolysis reactor, moves 12 days in a manner described continuously; The tertiary iron phosphate on filler top layer and ferrous phosphate passive film promptly decompose fully, the PO of generation
4 3-Ion is discharged from reaction tank 3.Remove filler behind tertiary iron phosphate and the ferrous phosphate passive film and see photo (e) among Fig. 2, the photo (f) among Fig. 3, the photo (g) among Fig. 4, the photo (h) among Fig. 5.
Embodiment 4
The filler that hardens in the reaction tank 3 of iron charcoal micro-electrolysis reactor is shown in the photo (b) among the photo among Fig. 2 (a), Fig. 3, photo (c), photo (d) among Fig. 5 among Fig. 4; Its top layer is coated with fine and close tertiary iron phosphate and ferrous phosphate passive film, and present embodiment adopts following process step to remove the tertiary iron phosphate and the ferrous phosphate passive film on filler top layer:
(1) in the reaction tank 3 that the iron charcoal micro-electrolysis reactor that filler hardens takes place, adds anaerobic sludge and from water distribution, the volume ratio of filler is 1:30 in the reaction tank of anaerobic sludge and iron charcoal micro-electrolysis reactor, exceeds with filler in the reaction tank that floods iron charcoal micro-electrolysis reactor and anaerobic sludge from the add-on of water distribution; Water temperature in the said reaction tank 3 is controlled at 40 ℃, parked 40min, said formulated by Zulkovsky starch, glucose, ammonium sulfate, ammonium chloride, Repone K, calcium chloride, sal epsom and middle water from water distribution; In water distribution; The concentration of Zulkovsky starch is 500 mg/L, and the concentration of glucose is 1500 mg/L, and the concentration of ammonium sulfate is 100 mg/L; The concentration of ammonium chloride is 350 mg/L; The concentration of Repone K is 15mg/L, and the concentration of calcium chloride is 15mg/L, and the concentration of sal epsom is 30 mg/L; This kind is about 1000 mg/L, BOD from the COD of water distribution concentration
5/ COD value＞0.5;
(2) after the said holding time of step (1) expires; In said reaction tank 3, feed continuously said from water distribution and keep water temperature at 40 ℃; Mixed solution in the reaction tank 3 is discharged continuously, and said is 8h from the hydraulic detention time of water distribution in the reaction tank 3 of iron charcoal micro-electrolysis reactor, moves 10 days in a manner described continuously; The tertiary iron phosphate on filler top layer and ferrous phosphate passive film promptly decompose fully, the PO of generation
4 3-Ion is discharged from reaction tank 3.Remove filler behind tertiary iron phosphate and the ferrous phosphate passive film and see photo (e) among Fig. 2, the photo (f) among Fig. 3, the photo (g) among Fig. 4, the photo (h) among Fig. 5.
The filler that hardens in the reaction tank 3 of iron charcoal micro-electrolysis reactor is shown in the photo (b) among the photo among Fig. 2 (a), Fig. 3, photo (c), photo (d) among Fig. 5 among Fig. 4; Its top layer is coated with fine and close tertiary iron phosphate and ferrous phosphate passive film, and present embodiment adopts following process step to remove the tertiary iron phosphate and the ferrous phosphate passive film on filler top layer:
(1) in the reaction tank 3 that the iron charcoal micro-electrolysis reactor that filler hardens takes place, adds aerobic sludge and from water distribution, the volume ratio of filler is 1:50 in the reaction tank of aerobic sludge and iron charcoal micro-electrolysis reactor, exceeds with filler in the reaction tank that floods iron charcoal micro-electrolysis reactor and aerobic sludge from the add-on of water distribution; Water temperature in the said reaction tank 3 is controlled at 45 ℃, parked 30min, said formulated by Zulkovsky starch, glucose, ammonium chloride, Repone K, calcium chloride, sal epsom and tap water from water distribution; In water distribution, the concentration of Zulkovsky starch is 100 mg/L, and the concentration of glucose is 200 mg/L; The concentration of ammonium chloride is 60 mg/L; The concentration of Repone K is 5mg/L, and the concentration of calcium chloride is 30mg/L, and the concentration of sal epsom is 20 mg/L; This kind is about 300mg/L, BOD from the COD of water distribution concentration
5/ COD value＞0.5;
(2) after the said holding time of step (1) expires; In said reaction tank 3, feed continuously said from water distribution and keep water temperature at 45 ℃; Mixed solution in the reaction tank 3 is discharged continuously, and said is 10h from the hydraulic detention time of water distribution in the reaction tank 3 of iron charcoal micro-electrolysis reactor, moves 15 days in a manner described continuously; The tertiary iron phosphate on filler top layer and ferrous phosphate passive film promptly decompose fully, the PO of generation
4 3-Ion is discharged from reaction tank 3.Remove filler behind tertiary iron phosphate and the ferrous phosphate passive film and see photo (e) among Fig. 2, the photo (f) among Fig. 3, the photo (g) among Fig. 4, the photo (h) among Fig. 5.
Claims (9)
1. method that removes filler top layer tertiary iron phosphate and ferrous phosphate passive film in the iron charcoal micro-electrolysis reactor is characterized in that process step is following:
(1) in the reaction tank that the iron charcoal micro-electrolysis reactor that filler hardens takes place, add anaerobic sludge or aerobic sludge and for the microorganism growth metabolism provides the sewage of nutritive substance or from water distribution, and in the reaction tank of said iron charcoal micro-electrolysis reactor parked 30min at least;
(2) after the said holding time of step (1) expires; In said reaction tank, feed continuously said sewage or from water distribution; Mixed solution in the reaction tank is discharged continuously; Operation continuously in a manner described, till the tertiary iron phosphate on filler top layer and ferrous phosphate passive film decompose fully in the reaction tank of iron charcoal micro-electrolysis reactor, said sewage or be 4～10 h from the hydraulic detention time of water distribution in reaction tank.
2. according to the said method that removes filler top layer tertiary iron phosphate and ferrous phosphate passive film in the iron charcoal micro-electrolysis reactor of claim 1; It is characterized in that in the step (1); The add-on of said anaerobic sludge or aerobic sludge is: the volume ratio of filler is 1:60～1:20 in the reaction tank of anaerobic sludge or aerobic sludge and iron charcoal micro-electrolysis reactor, said sewage or exceed with the filler in the reaction tank that floods iron charcoal micro-electrolysis reactor and anaerobic sludge or aerobic sludge from the add-on of water distribution.
3. according to claim 1 or the 2 said methods that remove filler top layer tertiary iron phosphate and ferrous phosphate passive film in the iron charcoal micro-electrolysis reactor, it is characterized in that said sewage or be 300～2000 mg/L, BOD from the COD of water distribution concentration
5/ COD value＞0.4.
4. according to claim 1 or the 2 said methods that remove filler top layer tertiary iron phosphate and ferrous phosphate passive film in the iron charcoal micro-electrolysis reactor, it is characterized in that the water temperature in the reaction tank of said iron charcoal micro-electrolysis reactor is controlled at 20～45 ℃.
5. according to the said method that removes filler top layer tertiary iron phosphate and ferrous phosphate passive film in the iron charcoal micro-electrolysis reactor of claim 3, it is characterized in that the water temperature in the reaction tank of said iron charcoal micro-electrolysis reactor is controlled at 20～45 ℃.
6. according to the said method that removes filler top layer tertiary iron phosphate and ferrous phosphate passive film in the iron charcoal micro-electrolysis reactor of claim 3; It is characterized in that said formulatedly by readily biodegradable organism, ammonium salt, sylvite, magnesium salts, calcium salt and water from water distribution, in water distribution, the organic concentration of readily biodegradable is 300～2000 mg/L; The concentration of ammonium salt is 60 ~ 450 mg/L; The concentration of sylvite is 5～30 mg/L, and the concentration of magnesium salts is 5～30 mg/L, and the concentration of calcium salt is 5～30 mg/L.
7. want the 5 said methods that remove filler top layer tertiary iron phosphate and ferrous phosphate passive film in the iron charcoal micro-electrolysis reactor according to right; It is characterized in that said formulatedly by readily biodegradable organism, ammonium salt, sylvite, magnesium salts, calcium salt and water from water distribution, in water distribution, the organic concentration of readily biodegradable is 300～2000 mg/L; The concentration of ammonium salt is 60 ~ 450 mg/L; The concentration of sylvite is 5～30 mg/L, and the concentration of magnesium salts is 5～30 mg/L, and the concentration of calcium salt is 5～30 mg/L.
8. according to the said method that removes filler top layer tertiary iron phosphate and ferrous phosphate passive film in the iron charcoal micro-electrolysis reactor of claim 6; It is characterized in that said readily biodegradable organism is that glucose is or/and Zulkovsky starch; Said ammonium salt is an ammonium sulfate or/and ammonium chloride, and said sylvite is Repone K, and said magnesium salts is a sal epsom; Said calcium salt is a calcium chloride, and said water is tap water or middle water.
9. according to the said method that removes filler top layer tertiary iron phosphate and ferrous phosphate passive film in the iron charcoal micro-electrolysis reactor of claim 7; It is characterized in that said readily biodegradable organism is that glucose is or/and Zulkovsky starch; Said ammonium salt is an ammonium sulfate or/and ammonium chloride, and said sylvite is Repone K, and said magnesium salts is a sal epsom; Said calcium salt is a calcium chloride, and said water is tap water or middle water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101387741A CN102659220B (en) | 2012-05-07 | 2012-05-07 | Method for removing ferric phosphate film and ferrous phosphate passivating film from filler surface layer in iron-carbon microelectrolysis reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101387741A CN102659220B (en) | 2012-05-07 | 2012-05-07 | Method for removing ferric phosphate film and ferrous phosphate passivating film from filler surface layer in iron-carbon microelectrolysis reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102659220A true CN102659220A (en) | 2012-09-12 |
| CN102659220B CN102659220B (en) | 2013-12-11 |
Family
ID=46768838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101387741A Active CN102659220B (en) | 2012-05-07 | 2012-05-07 | Method for removing ferric phosphate film and ferrous phosphate passivating film from filler surface layer in iron-carbon microelectrolysis reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102659220B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241907A (en) * | 2013-05-28 | 2013-08-14 | 无锡百奥源生态环保科技有限公司 | Method and device for treating organic oil-containing wastewater |
| CN107892384A (en) * | 2017-11-14 | 2018-04-10 | 东华大学 | A kind of industrial wastewater iron growth-promoting thing removes carbon dephosphorization advanced treatment process and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003064329A1 (en) * | 2002-01-29 | 2003-08-07 | Meignen Christian J | Method for treating water in order to reduce the metal ion concentration thereof |
| CN1935690A (en) * | 2006-10-23 | 2007-03-28 | 哈尔滨工业大学 | Composite microelectrolytic/biomembrane reaction apparatus and its sewage treating method |
| CN101624250A (en) * | 2009-06-27 | 2010-01-13 | 大连理工大学 | Anaerobic zero-valent iron sewage treatment method |
-
2012
- 2012-05-07 CN CN2012101387741A patent/CN102659220B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003064329A1 (en) * | 2002-01-29 | 2003-08-07 | Meignen Christian J | Method for treating water in order to reduce the metal ion concentration thereof |
| CN1935690A (en) * | 2006-10-23 | 2007-03-28 | 哈尔滨工业大学 | Composite microelectrolytic/biomembrane reaction apparatus and its sewage treating method |
| CN101624250A (en) * | 2009-06-27 | 2010-01-13 | 大连理工大学 | Anaerobic zero-valent iron sewage treatment method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241907A (en) * | 2013-05-28 | 2013-08-14 | 无锡百奥源生态环保科技有限公司 | Method and device for treating organic oil-containing wastewater |
| CN107892384A (en) * | 2017-11-14 | 2018-04-10 | 东华大学 | A kind of industrial wastewater iron growth-promoting thing removes carbon dephosphorization advanced treatment process and device |
| CN107892384B (en) * | 2017-11-14 | 2021-06-18 | 东华大学 | Advanced treatment process and device for promoting biological carbon and phosphorus removal of industrial wastewater by iron |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102659220B (en) | 2013-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liu et al. | Overview of recent developments of resource recovery from wastewater via electrochemistry-based technologies | |
| CN102603119B (en) | Garbage leachate treatment device and treatment method thereof | |
| CN102120676B (en) | Method for treating nitrogen and phosphorus in wastewater through the biological combination process of electrolytic oxidation and sequence batch reactor | |
| CN102603132B (en) | Sludge treatment device based on electrolysis and pressure filtration technologies and method thereof | |
| CN101967029B (en) | Method for treating ammonia nitrogen in garbage percolate by combining biological and chemical processes | |
| CN106800356A (en) | A kind of advanced treatment of wastewater regeneration device based on biochemical and electrolysis tech | |
| WO2022199096A1 (en) | Electrochemical nitrogen and phosphorus removal device and method | |
| CN102010102A (en) | Method for treating electroplating wastewater | |
| CN107055937A (en) | A kind of advanced treatment of wastewater regeneration method based on biochemical and electrolysis tech | |
| CN101302053A (en) | Phosphorus removing method for municipal sewage plant | |
| Wu et al. | Three-dimensional biofilm electrode reactors (3D-BERs) for wastewater treatment | |
| CN110697976B (en) | Treatment method of percolate concentrated solution of household garbage landfill | |
| CN110357217A (en) | A kind of application of the fixed iron powder electrode of magnetic force in the treatment of waste water | |
| CN105668717A (en) | Magnesium ammonium phosphate-electrooxidation integrated device and simultaneous nitrogen and phosphorus removing method thereof | |
| CN109516641B (en) | Method for treating high-salt high-concentration organic wastewater by electrocatalytic oxidation-biochemical coupling | |
| CN103922521B (en) | Method used for chrome tanning waste water treatment and chrome recovery | |
| CN105174633A (en) | Comprehensive standard increase method for increasing standard of discharged water of municipal wastewater treatment plant from first grade B to first grade A | |
| CN105384222A (en) | Waste water electric flocculation treatment device | |
| CN107698037A (en) | The method of the three-dimensional biological advanced treatment of landfill leachate reverse osmosis concentrated water of electricity of three-dimensional electrochemical coupling | |
| WO2020238020A1 (en) | Efficient denitrification and phosphorus removal system for treating aquaculture tail water | |
| Kłodowska et al. | Effect of citric acid on the efficiency of the removal of nitrogen and phosphorus compounds during simultaneous heterotrophic-autotrophic denitrification (HAD) and electrocoagulation | |
| CN102491597B (en) | Method for treating high-concentration nitrogenous organic wastewater | |
| CN102020384B (en) | Method for handling organic wastewater based on Fenton reaction | |
| CN101618905A (en) | Method for treating phosphoric wastewater through ozone-enhanced electrocoagulation | |
| Liu et al. | Effect of electrocoagulation on MBR under different power supply conditions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191113 Address after: 5, No. 6, building 6, No. 200, Tianfu five street, Chengdu hi tech Zone, Sichuan, 610000 Patentee after: Chengdu Baisen Environmental Protection Technology Co., Ltd. Address before: Shuangliu County Sichuan Road Chengdu City, Sichuan province 610207 two No. 2 Patentee before: Sichuan University |