CN205635197U - Advanced treatment system of coking wastewater - Google Patents
Advanced treatment system of coking wastewater Download PDFInfo
- Publication number
- CN205635197U CN205635197U CN201620414110.7U CN201620414110U CN205635197U CN 205635197 U CN205635197 U CN 205635197U CN 201620414110 U CN201620414110 U CN 201620414110U CN 205635197 U CN205635197 U CN 205635197U
- Authority
- CN
- China
- Prior art keywords
- coking
- treatment
- equipment
- treatment system
- waste water
- 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.)
- Active
Links
Abstract
The utility model discloses an advanced treatment system of coking wastewater does not mainly reach to current coking wastewater treatment technology and discharges requirement and proposition. The utility model discloses advanced treatment system of coking wastewater includes microwave treatment equipment, pH value check out test set, pH value adjustment device, the little electrolytic catalysis restoration process equipment of indisputable carbon, heterogeneous fenton catalytic oxidation treatment facility, thoughtlessly congeals treatment facility, micro -filtration processing apparatus, the utility model discloses the little electrolytic catalysis restoration process of indisputable carbon is carried out again in at first process microwave radiation processing of coking wastewater after the processing of advanced treatment system of coking wastewater process biochemical system, further carries out the processing of heterogeneous fenton catalytic oxidation processing then carrying on coagulating sedimentation, micro -filtration processing to waste water, finally reaches the emission requirement.
Description
Technical field
This utility model relates to a kind of field of waste water treatment, particularly relates to a kind of coking advanced waste treatment system.
Background technology
Coking chemical waste water gives off a large amount of waste water containing poisonous and harmful substances such as phenol, cyanogen, oil, ammonia nitrogens during referring to coking production, its source is considerably complicated, essentially from coking and gas purification process and the refining process of chemical products, wherein with the remained ammonia that produces during ammonia still process as main source.Affected by factors such as raw coal character and coke chemicals recovery, the composition of coking chemical waste water is extremely complex, containing multiple pollutant matter, wherein Organic substance is based on phenolic compound, it accounts for more than half of total organic matter, also includes polycyclc aromatic compound and nitrogenous, the heterocyclic compound etc. of oxygen, sulfur in Organic substance；Inorganic matter is mainly based on cyanide, sulfide, ammonium salt, sulfate etc..Coking chemical waste water be mainly characterized in that ammonia nitrogen concentration height, difficult for biological degradation, content of organics are high.The commonly used conventional activated sludge process in coke-oven plant of most domestic processes through ammonia still process, the coking chemical waste water of dephenolize pretreatment at present, in water outlet after conventional activated sludge process process, COD and ammonia nitrogen concentration are the highest, it is unable to reach discharging standards, in addition, development along with water technology, pollutant emission standard is also improving constantly, and therefore, coking chemical waste water is carried out tertiary treatment i.e. advanced treating the most necessary.
Utility model content
The problem not reaching emission request for existing coking waste water treatment process, this utility model provides a kind of coking advanced waste treatment system that can be effectively improved Treatment of Coking Effluent effluent quality.
For reaching above-mentioned purpose, this utility model one coking advanced waste treatment system, described system includes pH value detection equipment and pH value regulation equipment and the microwave processing equipment set gradually by Treatment of Coking Effluent flow process, iron-carbon micro-electrolysis catalysis reduction treatment equipment, heterogeneous Fenton catalytic oxidation treatment equipment, coagulating treatment equipment, microfiltration processing means；
Described pH value detection equipment and pH value regulation equipment are for detecting and regulate the pH value of coking chemical waste water；
Described microwave processing equipment is for carrying out microwave radiation processing to the coking chemical waste water after biochemical treatment；
Described iron-carbon micro-electrolysis catalysis reduction treatment equipment for carrying out iron-carbon micro-electrolysis catalysis reduction treatment to coking chemical waste water；
Heterogeneous Fenton catalytic oxidation treatment equipment is for carrying out heterogeneous Fenton catalytic oxidation treatment to the coking chemical waste water after iron-carbon micro-electrolysis catalysis reduction treatment；
Described coagulating treatment equipment is for carrying out coagulating kinetics to the coking chemical waste water after heterogeneous Fenton catalytic oxidation treatment；
Described microfiltration processing means is for carrying out microfiltration process to the coking chemical waste water after coagulating kinetics.
Further, described system also includes aerator, described aerator for coking chemical waste water is carried out iron-carbon micro-electrolysis catalysis reduction treatment process in coking chemical waste water aeration.
Further, described heterogeneous Fenton catalytic oxidation treatment equipment includes FeSO4Solution throwing device and H2O2Solution throwing device；
Further, described heterogeneous Fenton catalytic oxidation treatment equipment also includes Fenton fluid bed, and described Fenton fluid bed is provided with solid Fenton catalysts.
Further, described coagulating treatment equipment includes coagulating basin, sedimentation tank, activated charcoal adding apparatus and/or flocculation aid throwing device, described activated charcoal adding apparatus is for adding activated carbon in described coagulating basin, and described flocculation aid throwing device is for adding flocculation aid PAM in described coagulating basin.
Further, the range of microwave power that described microwave radiation processing equipment uses is 200-600W, and the microwave radiation processing time is 3-10min；
Further, described activated charcoal adding apparatus controls the dosage of described activated carbon is 5-20mg/L.
Further, described flocculation aid throwing device controls described PAM dosage is 0.1-1.0mg/L.
Further, described microfiltration processing means is the micro-filtration tank equipped with microporous activated ceramic filter material connected with described sedimentation tank outlet.
Further, described iron-carbon micro-electrolysis catalysis reduction treatment equipment is the iron-carbon micro-electrolysis catalytic reduction reaction post being filled with iron-carbon micro-electrolysis material.
This utility model coking advanced waste treatment system, solve common coking waste water treatment process and be difficult to problem up to standard for the Treatment of Coking Effluent after biochemical treatment, have that dosing is few, sludge yield is little, energy consumption is low, the feature for the treatment of effect stability and high efficiency.
Accompanying drawing explanation
Fig. 1 is the process chart of this utility model coking advanced waste treatment system.
Detailed description of the invention
By further illustrating the technological means and effect that this utility model coking advanced waste treatment system taked by reaching predetermined utility model purpose, below in conjunction with accompanying drawing 1, this utility model is described in detail.
This utility model coking advanced waste treatment system includes pH value detection equipment, pH value regulation equipment and the microwave processing equipment set gradually by Treatment of Coking Effluent flow process, iron-carbon micro-electrolysis catalysis reduction treatment equipment, heterogeneous Fenton catalytic oxidation treatment equipment, coagulating treatment equipment, microfiltration processing means, aerator；Wherein, described heterogeneous Fenton catalytic oxidation treatment equipment includes FeSO4Solution throwing device and H2O2Solution throwing device, described coagulating treatment equipment includes coagulating basin, sedimentation tank, activated charcoal adding apparatus and flocculation aid throwing device.
The specific embodiment of this utility model coking advanced waste treatment system work is: the coking chemical waste water after biochemical treatment, first pass around microwave radiation equipment and carry out microwave treatment, heating and polarization organic pollutant molecule, the best power scope of microwave is 200-600W, and microwave optimum reacting time is 3-10min.Then pH value detection equipment and pH value regulation equipment is utilized to use 1+3 sulfuric acid solution regulation microwave treatment water outlet pH value to 3-5, use iron-carbon micro-electrolysis catalysis reduction treatment equipment that coking chemical waste water carries out iron-carbon micro-electrolysis catalysis reduction treatment and carry out iron-carbon micro-electrolysis catalysis reduction treatment, iron-carbon micro-electrolysis optimum reacting time is 45-90min, using aerator to carry out aeration while micro-electrolysis reaction, optimal gas-water ratio is 1:1-3:1.After iron-carbon micro-electrolysis processes, water outlet is directly entered heterogeneous Fenton catalytic oxidation treatment equipment, generally uses Fenton fluid bed form, uses in solid Fenton catalysts, the first water outlet after iron-carbon micro-electrolysis catalysis reduction treatment and adds FeSO4Solution, more slowly add H2O2Solution, Fenton optimum reacting time is 30-60min, Fe2+It is 1:2-1:5, H with the optimum quality ratio of COD2O2It is 1:2-1:4 with the optimum quality ratio of COD, greatly reduces added amount of chemical and mud generation amount.Through Fenton reacted water reuse pH value detection equipment and pH value regulation equipment NaOH solution regulation pH value to 8-10, enter coagulating treatment equipment, use activated charcoal adding apparatus to add activated carbon in coagulating treatment equipment and strengthen the removal efficiency of hardly degraded organic substance, use flocculation aid throwing device to add flocculation aid such as PAM and strengthen the sedimentation effect of mud, activated carbon dosage be 5-20mg/L, PAM dosage be 0.1-1.0mg/L.The optimal coagulation time is 10-20min, and the optimal sedimentation time is 45-90min, and optimum activity charcoal return sludge ratio is 5%-10%.Precipitation water outlet carries out microfiltration process through microfiltration processing means again, and microfiltration processing means uses microporous activated ceramic filter material to be filtering material, and filtering velocity is 15-25m/h, and microfiltration standard water discharge is discharged.
The process of this utility model coking advanced waste treatment system is applicable to the advanced treating of the coking chemical waste water after materialization and biochemical treatment, is equally applicable to the advanced treating of organic wastewater with difficult degradation thereby, such as leather-making waste water, pharmacy waste water, petrochemical wastewater etc..This utility model coking advanced waste treatment system has the advantages that
1, Technical Design and simple to operate；
2, pass through microwave radiation processing, it is possible to heating and polarized water molecule and organic pollutant molecule, reduce the activation energy needed for subsequent catalyst reduction and catalysis oxidation Decomposition organic pollution, accelerate the carrying out of reaction；
3, it is catalyzed reduction treatment by iron-carbon micro-electrolysis, by being difficult to be fallen by the part organic pollutant removal of catalytic oxidation treatment by being catalyzed reduction treatment, reduces follow-up Fenton processing load；
4, by heterogeneous Fenton catalytic oxidation treatment, use solid Fenton catalysts, reduce medicament usage amount, reduce mud generation amount, improve treatment effect；
5, microfiltration processes and removes suspended particulate substance, colourity etc. further, improves effluent quality.
The specific embodiment that this utility model coking advanced waste treatment system is given below is better understood from process of the present utility model and effect to facilitate.
Embodiment 1
Certain Treatment of Coking Effluent factory, treating capacity 200t/d, biochemical treatment uses circulating biological denitrification treatment process in A/O, measures through analyzing, and after biochemical treatment, secondary clarifier effluent COD is 180～260mg/L.
Coking chemical waste water through biochemical treatment uses this utility model coking advanced waste treatment system, with submersible sewage pump, secondary clarifier effluent is pumped into special microwave radiation treatment devices, and microwave power is 600W, and the microwave reaction time is 10min.Waste water after microwave treatment enters iron-carbon micro-electrolysis catalytic reduction reaction post, iron-carbon micro-electrolysis filler is loaded in reaction column, with 1+3 sulfuric acid solution regulation pH value of waste water to 3.0, iron-carbon micro-electrolysis response time 60min, aeration gas-water ratio is 1:1, and iron-carbon micro-electrolysis processing unit water outlet COD is 75～135mg/L.
Do not regulate the pH value of Fe-C micro electrolysis processed waste water, be directly entered heterogeneous Fenton catalysis oxidation fluid bed, fluid bed loads solid Fenton catalysts, Fenton response time 60min, Fe2+Dosage is 50mg/L, H2O2Dosage is 50mg/L.Then regulation Fenton reaction water outlet pH value enters coagulating basins to 9.0, and adds activated carbon and PAM in coagulating basin, activated carbon dosage be 10mg/L, PAM dosage be 0.2mg/L.The coagulation time is 10min, and the sedimentation time is 60min, and activated carbon return sludge ratio is 6%.Sedimentation tank water outlet COD is 28～42mg/L.
Sedimentation tank water outlet enters the micro-filtration tank equipped with microporous activated ceramic filter material, with the suspended particulate substance in removal sedimentation tank water outlet further, colourity etc., it is ensured that effluent quality.Filtering material is microporous activated ceramic filter material, filtering velocity 20m/h.Filtering water outlet COD is that 25-38mg/L, COD index reaches " urban wastewater treatment firm pollutant emission standard GB 18918-2002 " one-level A standard.
The deep treatment method of a kind of coking chemical waste water that this utility model is proposed, solve common advanced treatment process method and be difficult to problem up to standard for the Treatment of Coking Effluent after biochemical treatment, have that dosing is few, sludge yield is little, energy consumption is low, the feature for the treatment of effect stability and high efficiency.
Above; it is only preferred embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim is defined.
Claims (10)
1. a coking advanced waste treatment system, it is characterised in that: described system includes pH value detection equipment and pH value regulation equipment and the microwave processing equipment set gradually by Treatment of Coking Effluent flow process, iron-carbon micro-electrolysis catalysis reduction treatment equipment, heterogeneous Fenton catalytic oxidation treatment equipment, coagulating treatment equipment, microfiltration processing means；
Described pH value detection equipment and pH value regulation equipment are for detecting and regulate the pH value of coking chemical waste water；
Described microwave processing equipment is for carrying out microwave radiation processing to the coking chemical waste water after biochemical treatment；
Described iron-carbon micro-electrolysis catalysis reduction treatment equipment for carrying out iron-carbon micro-electrolysis catalysis reduction treatment to coking chemical waste water；
Heterogeneous Fenton catalytic oxidation treatment equipment is for carrying out heterogeneous Fenton catalytic oxidation treatment to the coking chemical waste water after iron-carbon micro-electrolysis catalysis reduction treatment；
Described coagulating treatment equipment is for carrying out coagulating kinetics to the coking chemical waste water after heterogeneous Fenton catalytic oxidation treatment；
Described microfiltration processing means is for carrying out microfiltration process to the coking chemical waste water after coagulating kinetics.
Coking advanced waste treatment system the most according to claim 1, it is characterised in that: described system also includes aerator, described aerator for coking chemical waste water is carried out iron-carbon micro-electrolysis catalysis reduction treatment process in coking chemical waste water aeration.
Coking advanced waste treatment system the most according to claim 1, it is characterised in that: described heterogeneous Fenton catalytic oxidation treatment equipment includes FeSO4Solution throwing device and H2O2Solution throwing device.
Coking advanced waste treatment system the most according to claim 3, it is characterised in that: described heterogeneous Fenton catalytic oxidation treatment equipment also includes Fenton fluid bed, and described Fenton fluid bed is provided with solid Fenton catalysts.
Coking advanced waste treatment system the most according to claim 1, it is characterized in that: described coagulating treatment equipment includes coagulating basin, sedimentation tank, activated charcoal adding apparatus and/or flocculation aid throwing device, described activated charcoal adding apparatus is for adding activated carbon in described coagulating basin, and described flocculation aid throwing device is for adding flocculation aid PAM in described coagulating basin.
Coking advanced waste treatment system the most according to claim 1, it is characterised in that: the range of microwave power that described microwave radiation processing equipment uses is 200-600W, and the microwave radiation processing time is 3-10min.
Coking advanced waste treatment system the most according to claim 5, it is characterised in that: it is 5-20mg/L that described activated charcoal adding apparatus controls the dosage of described activated carbon.
Coking advanced waste treatment system the most according to claim 5, it is characterised in that: it is 0.1-1.0mg/L that described flocculation aid throwing device controls described PAM dosage.
Coking advanced waste treatment system the most according to claim 5, it is characterised in that: described microfiltration processing means is the micro-filtration tank equipped with microporous activated ceramic filter material connected with described sedimentation tank outlet.
Coking advanced waste treatment system the most according to claim 1, it is characterised in that: described iron-carbon micro-electrolysis catalysis reduction treatment equipment is the iron-carbon micro-electrolysis catalytic reduction reaction post being filled with iron-carbon micro-electrolysis material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620414110.7U CN205635197U (en) | 2016-05-04 | 2016-05-04 | Advanced treatment system of coking wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620414110.7U CN205635197U (en) | 2016-05-04 | 2016-05-04 | Advanced treatment system of coking wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205635197U true CN205635197U (en) | 2016-10-12 |
Family
ID=57050131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620414110.7U Active CN205635197U (en) | 2016-05-04 | 2016-05-04 | Advanced treatment system of coking wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205635197U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105948338A (en) * | 2016-05-04 | 2016-09-21 | 中冶华天工程技术有限公司 | Coking wastewater advanced treatment method and system |
| CN106477778A (en) * | 2016-11-29 | 2017-03-08 | 中冶华天工程技术有限公司 | Alkylation spent acid is used for the method and system that Fenton oxidation processes waste water |
-
2016
- 2016-05-04 CN CN201620414110.7U patent/CN205635197U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105948338A (en) * | 2016-05-04 | 2016-09-21 | 中冶华天工程技术有限公司 | Coking wastewater advanced treatment method and system |
| CN106477778A (en) * | 2016-11-29 | 2017-03-08 | 中冶华天工程技术有限公司 | Alkylation spent acid is used for the method and system that Fenton oxidation processes waste water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105948338A (en) | Coking wastewater advanced treatment method and system | |
| CN106830544A (en) | Light electrolysis Fenton EGSB A/O BCO BAF coagulating treatment pharmacy waste water systems | |
| CN106927628A (en) | Light electrolysis-Fenton-EGSB-A/O-BCO-BAF-coagulating treatment pharmacy waste water technique | |
| CN103936225B (en) | The method of catalyzed internal electrocatalysis coupling two-stage biofilter advanced treatment on coking wastewater | |
| CN106830536A (en) | A kind of advanced treatment process of ferment antibiotics waste water | |
| CN103553282B (en) | Advanced treatment process of coking waste water | |
| CN107162287A (en) | A kind of advanced treating technology for industrial sewage recycled based on activated carbon | |
| CN104261617A (en) | Treatment method of waste emulsion | |
| CN104496119A (en) | Deep treatment method and device of coking wastewater | |
| CN204779148U (en) | Coking wastewater advanced treatment and recycling system | |
| CN101734826B (en) | Process method for treating coking wastewater | |
| CN103910470A (en) | System and method for treating comprehensive wastewater in chemical industrial parks | |
| CN203833777U (en) | Treatment device for ozone oxidation treatment leachate nanofiltration concentrated solution | |
| CN103951107B (en) | A kind of device and method of Treatment of Wastewater in Coking | |
| CN105481170A (en) | Treating system and method for coking waste water | |
| CN105776675A (en) | Device and method for desulfuration and decyanation treatment of waste liquid generated in vacuum potassium carbonate desulfurization process | |
| CN107352742B (en) | Electrochemical composite oxidation process and system for refractory sewage | |
| CN203653393U (en) | Landfill leachate treatment device | |
| CN205635197U (en) | Advanced treatment system of coking wastewater | |
| CN206843287U (en) | A kind of coking chemical waste water cyclic utilization system | |
| CN108911440A (en) | A kind of method and system handling coking wastewater | |
| CN103755106B (en) | A kind of fluidized-bed oxidizing tower and treatment process thereof | |
| CN103304097B (en) | Method for combined treatment of wastewater of phenol-containing gas by ozone flocculant | |
| CN106430846A (en) | Efficient treatment integrated process for recalcitrant wastewater with low organic matter content | |
| CN206624744U (en) | Light electrolysis Fenton EGSB A/O BCO BAF coagulating treatment pharmacy waste water systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220615 Address after: 243000 Fu Chang Industrial Park, 259 HSI Nan Road, Ma'anshan economic and Technological Development Zone, Anhui Patentee after: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC Patentee after: HUATIAN NANJING ENGINEERING & TECHNOLOGY CORPORATION, MCC Address before: 243005 Hunan West Road, Ma'anshan, Ma'anshan, Anhui Patentee before: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC Patentee before: MCC HUATIAN (ANHUI) ENERGY SAVING ENVIRONMENTAL PROTECTION RESEARCH INSTITUTE Co.,Ltd. |