CN106430811A - Highly toxic waste water pre-treatment device and use method thereof - Google Patents
Highly toxic waste water pre-treatment device and use method thereof Download PDFInfo
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- CN106430811A CN106430811A CN201610758397.XA CN201610758397A CN106430811A CN 106430811 A CN106430811 A CN 106430811A CN 201610758397 A CN201610758397 A CN 201610758397A CN 106430811 A CN106430811 A CN 106430811A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1231—Treatments of toxic sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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Abstract
The invention discloses a highly toxic waste water pre-treatment device and a use method thereof. The device comprises an active sludge adsorption unit and a coagulation absorption unit. In a use process, the active sludge adsorption unit removes COD (chemical oxygen demand) and partial heavy metal; the coagulation absorption unit removes most of the heavy metal. According to the practical use conditions, the installation and use sequence of the active sludge adsorption unit and the coagulation absorption unit can be freely arranged. The highly toxic waste water pre-treatment device disclosed by the invention has the advantages that heavy metal ions and the organic matter concentration of aromatic organic matters, phenol organic matters, ether organic matters and the like in industrial waste water can be greatly reduced; the total COD removal rate reaches 60 to 80 percent; the heavy metal removal rate reaches 80 percent; the beneficial conditions are provided for subsequent deep treatment of industrial waste water.
Description
Technical field
The present invention relates to a kind of toxic wastewater process, particularly a kind of severe toxicity sewage pretreatment device and using method thereof.
Background technology
With industrial expansion, species and the quantity of industrial wastewater are continuously increased, its contained complicated component and mostly having
Having certain toxicity, undressed toxic industrial wastewater is directly discharged into biological processing unit and will result in huge impact, simultaneously its
Toxicity and hardly degraded organic substance are significantly increased follow-up intractability and cost.Pretreatment, can be by as a kind of effective means
Toxic component in industrial wastewater and hardly degraded organic substance etc. are removed in a large number, can mitigate the difficulty of subsequent processing units largely
Degree.
The process technique of industrial wastewater is typically main to be intended the target contaminant of removal according to it and designs, including containing toxicity
The pollutant of composition, as used materialized pretreatment for heavy metal, using oxidation pre-treatment etc. for cyanide.At present, toxic
The common preprocess method of property industrial wastewater has flocculence, absorption method and advanced oxidation processes etc..Flocculence is to utilize organic, nothing
Machine or electrically neutralization, adsorption bridging or the volume effect of sweeping to water-borne glue body particle for the biological flocculant make water-borne glue body particle occur
Flocculation sediment is to reach the effect removed.Absorption method is to utilize the adsorbents such as activated carbon, resin, cinder to carry out physical absorption, or
The protein utilizing in certain micro-organisms growth course release make the soluble heavy metal ions in solution be converted into sediment and
Remove.Advanced oxidation processes mainly passes through ozone, Fenton（Fenton）Reagent etc. pass through hydroxyl radical free radical, aoxidize various poisonous and difficult
Degradation of organic substances, reaches to remove the purpose of toxic pollutant.The difficult problem processing always industry of hardly degraded organic substance, typically pre-
Process and use anaerobic bio-treated, advanced oxidation processes etc..
It while it is true, the toxic component of industrial wastewater is more complicated, is usually present a large amount of indefinite toxic pollutant, tradition
Industrial wastewater preconditioning technique be difficult to remove its toxicity targetedly.Meanwhile, even if clear and definite toxic pollutant, relate to especially
And to multiple toxic pollutant when, by traditional pretreating process be still extremely difficult to discharge standard require, and by chemistry,
The method processing costs such as oxidation are high, and as a example by percolate from garbage filling field is processed, its processing cost is regular industrial waste water
10-50 times.Hardly degraded organic substance due to its difficult for biological degradation character cause that its Anaerobic Treatment is inefficient, treatment effect not
Good, and advanced oxidation processes cost is high, owing to industrial wastewater influent concentration is typically higher, is rarely applied to the pretreatment of front end,
And it is commonly used to the advanced treating of end.
At present, rarely have for the toxic pretreating process of industrial wastewater and technology and report for work, especially for difficult degradation, poison
Property waste water pretreatment, still lack economical, effectively process preconditioning technique.
Content of the invention
Goal of the invention：For the deficiencies in the prior art, the invention discloses a kind of severe toxicity sewage pretreatment device and make
Use method.
Technical scheme：The invention discloses a kind of severe toxicity Wastewater Pretreatment equipment, including include that the activity being sequentially connected with is dirty
Mud absorbing unit and Coagulation and Adsorption unit or the Coagulation and Adsorption unit being sequentially connected with and activated sludge absorption unit；
Described activated sludge absorption unit includes biological adsorption pond, sedimentation basin and culturing sludge pond；
Described biological adsorption pond includes adsorption tank, is provided with aerator in adsorption tank, and adsorption tank is respectively arranged at two ends with water inlet and goes out
The mouth of a river, adsorption tank is provided with throwing mud mouth；
Described sedimentation basin includes sedimentation tank body, and sedimentation tank body is provided with device for separating mud and water, and sedimentation tank body is provided with water inlet, water outlet
Mouth, mud discharging mouth and mud reuse mud mouth；
Culturing sludge pond includes culture pond, is provided with aerator in culture pond, and culture pond is provided with mud mouth, dog-house and mud and returns
Use mud inlet；
The described delivery port in biological adsorption pond connects with the water inlet of sedimentation basin；
The delivery port of sedimentation basin connects with coagulating basin；
The mud mouth in the throwing mud mouth in biological adsorption pond and culturing sludge pond passes through pipeline communication, and pipeline is provided with sludge pump；
The mud reuse mud mouth of sedimentation basin connects with the mud reuse mud inlet in culturing sludge pond；
Described Coagulation and Adsorption unit includes coagulating basin, flocculation basin and the inclined-plate clarifying basin being sequentially connected with；
It is additionally provided with active carbon reclamation pipe between flocculation basin and inclined-plate clarifying basin.
The using method of described a kind of severe toxicity Wastewater Pretreatment equipment, works as activated sludge absorption unit and coagulation during use
When absorbing unit is sequentially connected with, comprise the following steps：
1）Toxic wastewater is entered biological adsorption pond, the activated sludge in culturing sludge pond is put into biological adsorption pond, passes through 40-
After 60 minutes aerated reactions, enter sedimentation basin；In described biological adsorption pond, activated sludge concentration controls at 2500-4000mg/L,
Aerated reaction dissolved oxygen in described biological adsorption pond controls at 0.8-1.5mg/L；In described culturing sludge pond, activated sludge stops
Staying time 3-4 hour, in culturing sludge pond, sludge concentration is by adding activated sludge or by clarifier sludge reuse or add
Carbon source nutritional agents controls at 8000-12000mg/L, and in culturing sludge pond, dissolved oxygen controls>2mg/L；Described activated sludge enters
Entering biological adsorption pond and forming biological floes by zoogloea, specific surface area is 2000-10000m2/m3, amass greatly at rich surface
The microorganism of amount, and it is covered with the stickum of polysaccharide in outside, there is very strong adsorption capacity；
2）Reaction water carries out mud-water separation after entering sedimentation basin, separate water and enter coagulating basin, and a precipitating sludge part passes through spoil disposal
Mouth is discharged and is waited advanced treating, and a part enters reuse in culturing sludge pond by mud reuse mud mouth；The dirt of described discharge
Mud accounts for the 50-80% of mud after mud-water separation, and the mud of reuse accounts for the 20-50% of mud after mud-water separation；
3）Separating water and entering dosing coagulant after coagulating basin, fast reaction entered flocculation basin after 30 seconds；Adding of described coagulant
Amount is 50-200mg/L；
4）Sewage adds Powdered Activated Carbon after entering flocculation basin, carries out flocculation reaction 10-15 minute, finally enters sloping plate deposition
Pond；The particle diameter of described Powdered Activated Carbon is 10 100um；The dosage of described Powdered Activated Carbon is 50-200mg/L；
5）Processing water entrance inclined-plate clarifying basin and carrying out mud-water separation, supernatant is discharged and is carried out advanced treating, and mud is discharged, and part is lived
Property charcoal drains into flocculation basin reuse.
2nd, when Coagulation and Adsorption unit and activated sludge absorption unit are sequentially connected with, comprise the following steps：
1）Toxic wastewater enters dosing coagulant after coagulating basin, and fast reaction entered flocculation basin after 30 seconds；Described coagulation
The dosage of agent is 50-200mg/L；
2）Sewage adds Powdered Activated Carbon after entering flocculation basin, carries out flocculation reaction 10-15 minute, finally enters sloping plate deposition
Pond；The particle diameter of described Powdered Activated Carbon is 10 100um；The dosage of described Powdered Activated Carbon is 50-200mg/L；
3）Processing water entrance inclined-plate clarifying basin and carrying out mud-water separation, supernatant drains into biological adsorption pond, and mud is discharged, amount of activated
Charcoal drains into flocculation basin reuse；
4）Supernatant is entered biological adsorption pond, the activated sludge in culturing sludge pond is put into biological adsorption pond, passes through 40-60
After minute aerated reaction, enter sedimentation basin；In described biological adsorption pond, activated sludge concentration controls at 2500-4000mg/L, institute
The aerated reaction dissolved oxygen stated in biological adsorption pond controls at 0.8-1.5mg/L；In described culturing sludge pond, activated sludge stops
Time 3-4 hour, in culturing sludge pond, sludge concentration is by adding activated sludge or by clarifier sludge reuse or add carbon
Source nutritional agents controls at 8000-12000mg/L, and in culturing sludge pond, dissolved oxygen controls>2mg/L；Described activated sludge enters
Biological adsorption pond forms biological floes by zoogloea, and specific surface area is 2000-10000m2/m3, amass in a large number at rich surface
Microorganism, and be covered with the stickum of polysaccharide in outside, there is very strong adsorption capacity；
5）Reaction water carries out mud-water separation after entering sedimentation basin, separate water discharge and carry out advanced treating, and a precipitating sludge part is logical
Crossing mud discharging mouth and discharging wait advanced treating, a part enters reuse in culturing sludge pond by mud reuse mud mouth；Described row
The mud going out accounts for the 50-80% of mud after mud-water separation, and the mud of reuse accounts for the 20-50% of mud after mud-water separation.
Toxic wastewater pretreatment unit disclosed by the invention, the clearance of described activated sludge absorption unit COD reaches 40-
70%, the clearance of heavy metal reaches 20%；Described Coagulation and Adsorption unit heavy metals removal effect reaches 70%.
It is an object of the invention to pre-process, for toxic property, indegradable industrial effluent, the poor effect, with high costs existing,
Proposed a kind of has the preprocess method being generally suitable for complicated toxic industrial waste water, is inhaled by activated sludge absorption-coagulation
Attached method, reaches the mesh in waste water multiple toxic components being greatly reduced, significantly cutting down organic concentration particularly hardly degraded organic substance
, it is intended to reduce the load of follow-up processing unit, processing cost is greatly reduced.
For achieving the above object, the present invention by activated sludge absorption, the combined method of Coagulation and Adsorption to reach effect.Institute
The method of stating includes two parts：
（1）Activated sludge absorption
Activated sludge absorption unit is made up of biological adsorption pond, culturing sludge pond, sedimentation basin.Industrial wastewater is entered activated sludge
Biological adsorption pond, activated sludge is from the activated sludge of culture pond inoculation domestication, activated sludge and waste water in biological adsorption pond
It is sufficiently mixed and react.The biological adsorption tank waterpower time of staying（HRT）40-60min, sludge concentration（MLSS）Control is at 2500-
4000mg/L.Biological adsorption is provided with aerator bottom pond, carries air aeration oxygenation by air blast, owing to activated sludge is micro-
Biological respiration consumes oxygen in a large number, the dissolved oxygen of water body in reaction tank（DO）Control is at 0.8-1.5mg/L.
Activated sludge forms biological floes by zoogloea, has very big surface area（2000-10000m2/m3Mixing
Liquid）, amass substantial amounts of microorganism at rich surface, and be covered with the stickum of polysaccharide in outside, there is very strong energy of adsorption
Power.Difference and traditional activated sludge process, biological adsorption pond mainly utilizes and controls the absorption phase of activated sludge, by work
Industry waste water adsorption reaction 40-60min, after completing pollutant and toxicant absorption, muddy water mixed solution is emitted into sedimentation basin and completes
Mud-water separation, clear water enters subsequent processing units and continues with, and reaches to remove pollutant and poison outside major part mud discharge system
The purpose of property material.Meanwhile, after amount of activated sludge absorption pollutant, under the effect of dissolved oxygen, active sludge microorganism continues
Completing metabolism, the organic matter easily utilizing in industrial wastewater is decomposed, simultaneously synthesizing new cell microorganism, it is achieved activated sludge
Propagation.
Activated sludge culture pond is the important channel of activated sludge supply in adsorption tank, and a culture pond mud part is drowned oneself
Returned sludge in pond, shallow lake, return sludge ratio controls at 20-50%, and another part comes from culture pond mud and passes through aerobe
Reaction propagation mud, meanwhile, can directly supplement active mud content by adding outward activated sludge.In order to realize mud metabolism and fast
Speed breeding, in culture pond, general supplementing adds the nutriments such as carbon source.Culturing sludge pond alive is the design of common aerated reaction pond, the end
Portion is provided with aerator, by air blast aeration aerating, it is achieved the desorption of a large amount of absorption mud, removing toxic substances, the purpose of fast breeding.For
Meet rise time microorganism generation, culture pond hydraulic detention time（HRT）3-4h, sludge concentration controls at 8000-
12000mg/L, return sludge ratio controls at 20-50%, and culture pond dissolved oxygen controls>2mg/L.
（2）Coagulation and Adsorption
Coagulation and Adsorption unit is tradition coagulative precipitation tank design, including coagulation, flocculation, three links of precipitation.In coagulation reaction tank
Dosing coagulant（Ferric trichloride, aluminium hydroxide etc.）, fast reaction mixing 30s, then in waste water, add Powdered Activated Carbon（PAC）
And entering flocculation reaction 10-15min, last composite waste enters inclined-plate clarifying basin, completes mud-water separation, and supernatant discharges.Mixed
Solidifying agent, Powdered Activated Carbon dosage typically depending on water quality, general dosage 50-200mg/L.
Coagulating sedimentation heavy metal class toxic pollutant has preferable removal effect, and powder electroless plating is for a huge sum of money
Belong to, polar organic matter all has preferable Adsorption effect.Meanwhile, Powdered Activated Carbon can play " nuclei of condensation " in flocculation reaction
Effect, be favorably improved the effect of flocculation, its collaborative flocculation sediment is acted on by " net is caught ", can remove more by precipitation
Toxic pollutant and colloidal organic matter, its treatment effect is substantially better than general coagulating sedimentation and removes and charcoal absorption removal.
In general, industrial wastewater is introduced into activated sludge absorption unit, can remove big portion by the absorption of activated sludge
Dividing toxic pollutant and organic matter, wherein the clearance of COD reaches 40-70%, and the clearance of heavy metal reaches 20%, and it goes out simultaneously
Aqueous suspension is greatly reduced, and can significantly save the added amount of chemical of follow-up Coagulation and Adsorption unit.After activated sludge absorption, useless
Water enters Coagulation and Adsorption unit, by under coagulating sedimentation, absorbing synergic effect, removes the heavy metal in waste water and polarity further
Organic matter, reaches 70% especially for its removal effect of heavy metal class.
By technique scheme, the present invention is by the heavy metal ion in industrial wastewater, and fragrant type organic matter, phenols are organic
The organic concentrations such as thing, ethers organic matter are substantially reduced, and overall COD clearance reaches 60-80%, and heavy metal removing rate reaches 80%, is
The advanced treating of follow-up industrial wastewater provides advantage.
Beneficial effect：A kind of severe toxicity sewage pretreatment device disclosed by the invention and using method thereof and prior art phase
Ratio, advantage is mainly reflected in：
1st, for organic matter, biological adsorption includes that toxic organic compound and hardly degraded organic substance have extensive adaptability, is not required to
Clearly specific toxic pollutant, its heavy metal of Coagulation and Adsorption method and polar organic matter have a preferable removal effect, therefore its group
Closing technique and disclosure satisfy that the pretreatment of major part industrial wastewater, the waste water especially for some uncertain toxic pollutants also has
Wide applicability.The process of traditional industrial wastewater toxicity is typically difficult to process for uncertain toxicity.
2nd, being adsorbed as core owing to have employed active sludge biological, the cost performance of its biological adsorption has incomparable excellent
Gesture, biosorption process compares with tradition advanced oxidation processes, and its operating cost is only the 10% of chemical method, unit pollutant removal
Cost is far below traditional advanced oxidation processes.Owing to activated sludge absorption major control is only 40-in absorption phase, the time of staying
60min, only the 10% of traditional active sludge biological treatment, significantly reduce investment and operating cost.
3rd, coagulating sedimentation is coordinated by Powdered Activated Carbon, it is to avoid the deficiency of independent coagulating sedimentation or charcoal absorption, logical
Cross Powdered Activated Carbon and form " nuclei of condensation ", it is achieved that collaborative flocculation sediment, flocculating effect and " net catch " removal effect are greatly improved,
Its removal effect is far superior to single coagulant sedimentation.Meanwhile, the mode being applied in combination significantly reduces construction investment cost.
4th, present invention process scheme is easy, integration apparatus can be fabricated to, it is possible to carry out process combination, be particularly well-suited to
The pretreatment of industrial park mixing industrial wastewater, has reduced investment, the low advantage of operating cost.
Brief description
Accompanying drawing 1 is severe toxicity pretreatment method for wastewater process chart described in claim 2；
Severe toxicity pretreatment method for wastewater process chart described in 2 claims 3 of accompanying drawing.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, invention is further explained.
Embodiment 1
Percolate is entered biological adsorption pond, cod index 1715, nitrate anion 77mg/l, sulfate radical 287mg/l, copper
4.6mg/l, cadmium 6.67mg/l；Hydraulic detention time 40min, sludge concentration 3000mg/L, dissolved oxygen 1.1mg/L.Again by waste water
Entering sedimentation basin, hydraulic detention time 90min, completing mud-water separation, supernatant enters Coagulation and Adsorption unit, and sludge reflux is to life
Thing adsorption tank, reflux ratio is 30%, and adds carbon source nutritional agents during sludge reflux by sludge concentration control in culturing sludge pond
System is at 10000mg/L.
Activated sludge absorption unit water outlet is entered coagulating basin, and dosing coagulant in coagulation reaction tank, fast reaction mixes
30s, then in waste water, add Powdered Activated Carbon and enter flocculation basin reaction 10min, last composite waste enters inclined-plate clarifying basin,
Completing mud-water separation, supernatant is connected to advanced treating, and Powdered Activated Carbon is partly refluxed to flocculation basin.
Coagulant, the dosage of Powdered Activated Carbon are 50mg/L.
Overall COD clearance 73%, nitrate anion clearance 38.44%, sulfate radical clearance 45.64%, copper removal rate
73.26%, cadmium clearance is 78.11%, is that the advanced treating of follow-up percolate provides advantage.
Embodiment 2
Industrial park waste water is entered coagulating basin, waste water cod index 1405, nitrate anion 67mg/l, sulfate radical 265mg/l, copper
7.6mg/l, cadmium 9.67mg/l；Dosing coagulant in coagulation reaction tank, fast reaction mixing 30s, then in waste water, add powder
Activated carbon simultaneously enters flocculation basin reaction 15min, and last composite waste enters inclined-plate clarifying basin, completes mud-water separation, and supernatant connects
To biological adsorption pond, Powdered Activated Carbon is partly refluxed to flocculation basin.
Coagulant, the dosage of Powdered Activated Carbon are 150mg/L.
Supernatant enters biological adsorption pond, hydraulic detention time 30min, sludge concentration 2000mg/L, dissolved oxygen 1.5mg/
L.Again waste water is entered sedimentation basin, hydraulic detention time 100min, completes mud-water separation, separate liquid discharge and carry out advanced treating,
Sludge reflux is to biological adsorption pond, and reflux ratio is 50%, and adds carbon source nutritional agents during sludge reflux by culturing sludge pond
Middle sludge concentration controls at 12000mg/L.
Overall COD clearance 63%, nitrate anion clearance 35.64%, sulfate radical clearance 35.84%, copper removal rate
76.26%, cadmium clearance is 80.11%, is that the advanced treating of follow-up industrial park waste water provides advantage.
The invention provides thinking and the using method of a kind of severe toxicity sewage pretreatment device, implement this technical scheme
Method and approach a lot, the above is only the preferred embodiment of the present invention, it is noted that general for the art
For logical technical staff, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection scope of the present invention, and in the present embodiment, not clear and definite each part all can use prior art in addition real
Existing.
Claims (5)
1. a severe toxicity Wastewater Pretreatment equipment, is characterized in that, including the activated sludge absorption unit being sequentially connected with and coagulation are inhaled
Coupon unit or the Coagulation and Adsorption unit that is sequentially connected with and activated sludge absorption unit；
Described activated sludge absorption unit includes biological adsorption pond, sedimentation basin and culturing sludge pond；
Described biological adsorption pond includes adsorption tank, is provided with aerator in adsorption tank, and adsorption tank is respectively arranged at two ends with water inlet and goes out
The mouth of a river, adsorption tank is provided with throwing mud mouth；
Described sedimentation basin includes sedimentation tank body, and sedimentation tank body is provided with device for separating mud and water, and sedimentation tank body is provided with water inlet, water outlet
Mouth, mud discharging mouth and mud reuse mud mouth；
Culturing sludge pond includes culture pond, is provided with aerator in culture pond, and culture pond is provided with mud mouth, dog-house and mud and returns
Use mud inlet；
The described delivery port in biological adsorption pond connects with the water inlet of sedimentation basin；
The delivery port of sedimentation basin connects with coagulating basin；
The mud mouth in the throwing mud mouth in biological adsorption pond and culturing sludge pond passes through pipeline communication, and pipeline is provided with sludge pump；
The mud reuse mud mouth of sedimentation basin connects with the mud reuse mud inlet in culturing sludge pond；
Described Coagulation and Adsorption unit includes coagulating basin, flocculation basin and the inclined-plate clarifying basin being sequentially connected with；
It is additionally provided with active carbon reclamation pipe between flocculation basin and inclined-plate clarifying basin.
2. the using method of a kind of severe toxicity Wastewater Pretreatment equipment described in claim 1, is characterized in that, work as activated sludge absorption
When unit and Coagulation and Adsorption unit are sequentially connected with, comprise the following steps：
1）Toxic wastewater is entered biological adsorption pond, the activated sludge in culturing sludge pond is put into biological adsorption pond, passes through 40-
After 60 minutes aerated reactions, enter sedimentation basin；In described biological adsorption pond, activated sludge concentration controls at 2500-4000mg/L,
Aerated reaction dissolved oxygen in described biological adsorption pond controls at 0.8-1.5mg/L；In described culturing sludge pond, activated sludge stops
Staying time 3-4 hour, in culturing sludge pond, sludge concentration is by adding activated sludge or by clarifier sludge reuse or add
Carbon source nutritional agents controls at 8000-12000mg/L, and in culturing sludge pond, dissolved oxygen controls>2mg/L；Described activated sludge enters
Entering biological adsorption pond and forming biological floes by zoogloea, specific surface area is 2000-10000m2/m3, amass greatly at rich surface
The microorganism of amount, and it is covered with the stickum of polysaccharide in outside, there is very strong adsorption capacity；
2）Reaction water carries out mud-water separation after entering sedimentation basin, separate water and enter coagulating basin, and a precipitating sludge part passes through spoil disposal
Mouth is discharged and is waited advanced treating, and a part enters reuse in culturing sludge pond by mud reuse mud mouth；The dirt of described discharge
Mud accounts for the 50-80% of mud after mud-water separation, and the mud of reuse accounts for the 20-50% of mud after mud-water separation；
3）Separating water and entering dosing coagulant after coagulating basin, fast reaction entered flocculation basin after 30 seconds；Adding of described coagulant
Amount is 50-200mg/L；
4）Sewage adds Powdered Activated Carbon after entering flocculation basin, carries out flocculation reaction 10-15 minute, finally enters sloping plate deposition
Pond；The particle diameter of described Powdered Activated Carbon is 10 100um；The dosage of described Powdered Activated Carbon is 50-200mg/L；
5）Processing water entrance inclined-plate clarifying basin and carrying out mud-water separation, supernatant is discharged and is carried out advanced treating, and mud is discharged, and part is lived
Property charcoal drains into flocculation basin reuse.
3. the using method of a kind of severe toxicity Wastewater Pretreatment equipment described in claim 1, is characterized in that, when Coagulation and Adsorption unit
When being sequentially connected with activated sludge absorption unit, comprise the following steps：
1）Toxic wastewater enters dosing coagulant after coagulating basin, and fast reaction entered flocculation basin after 30 seconds；Described coagulation
The dosage of agent is 50-200mg/L；
2）Sewage adds Powdered Activated Carbon after entering flocculation basin, carries out flocculation reaction 10-15 minute, finally enters sloping plate deposition
Pond；The particle diameter of described Powdered Activated Carbon is 10 100um；The dosage of described Powdered Activated Carbon is 50-200mg/L；
3）Processing water entrance inclined-plate clarifying basin and carrying out mud-water separation, supernatant drains into biological adsorption pond, and mud is discharged, amount of activated
Charcoal drains into flocculation basin reuse；
4）Supernatant is entered biological adsorption pond, the activated sludge in culturing sludge pond is put into biological adsorption pond, passes through 40-60
After minute aerated reaction, enter sedimentation basin；In described biological adsorption pond, activated sludge concentration controls at 2500-4000mg/L, institute
The aerated reaction dissolved oxygen stated in biological adsorption pond controls at 0.8-1.5mg/L；In described culturing sludge pond, activated sludge stops
Time 3-4 hour, in culturing sludge pond, sludge concentration is by adding activated sludge or by clarifier sludge reuse or add carbon
Source nutritional agents controls at 8000-12000mg/L, and in culturing sludge pond, dissolved oxygen controls>2mg/L；Described activated sludge enters
Biological adsorption pond forms biological floes by zoogloea, and specific surface area is 2000-10000m2/m3, amass in a large number at rich surface
Microorganism, and be covered with the stickum of polysaccharide in outside, there is very strong adsorption capacity；
5）Reaction water carries out mud-water separation after entering sedimentation basin, separate water discharge and carry out advanced treating, and a precipitating sludge part is logical
Crossing mud discharging mouth and discharging wait advanced treating, a part enters reuse in culturing sludge pond by mud reuse mud mouth；Described row
The mud going out accounts for the 50-80% of mud after mud-water separation, and the mud of reuse accounts for the 20-50% of mud after mud-water separation.
4. a kind of severe toxicity Wastewater Pretreatment equipment according to claim 1 and 2 and using method thereof, is characterized in that, described
The clearance of activated sludge absorption unit COD reaches 40-70%, and the clearance of heavy metal reaches 20%；Described Coagulation and Adsorption unit
Heavy metals removal effect reaches 70%.
5. a kind of severe toxicity Wastewater Pretreatment equipment according to claim 1 or 3 and using method thereof, is characterized in that, described
Coagulation and Adsorption unit heavy metals removal effect reaches 70%；The clearance of described activated sludge absorption unit COD reaches 40-70%,
The clearance of heavy metal reaches 20%.
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| CN111718082A (en) * | 2020-07-23 | 2020-09-29 | 周亚梁 | Urban sewage treatment system and treatment method thereof |
| CN112174440A (en) * | 2020-10-19 | 2021-01-05 | 张家港市五湖新材料技术开发有限公司 | Heavy metal wastewater treatment process |
| CN112194327A (en) * | 2020-10-19 | 2021-01-08 | 张家港市五湖新材料技术开发有限公司 | Mine acidic wastewater treatment process |
| CN113072175A (en) * | 2021-03-23 | 2021-07-06 | 南京大学 | Chemical precipitation and biological treatment coupling synergistic method |
| CN113354145A (en) * | 2021-06-07 | 2021-09-07 | 重庆大学 | Application of water supply sludge and treatment method of chromium-containing wastewater |
| CN114956441A (en) * | 2021-02-22 | 2022-08-30 | 苏州博净源环境科技有限公司 | Method for pre-treating high-concentration wastewater by biochemical sludge |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101863597A (en) * | 2010-06-28 | 2010-10-20 | 北京纬纶华业环保科技股份有限公司 | High ammonia nitrogen sewage processing method |
| CN103288311A (en) * | 2013-07-01 | 2013-09-11 | 大唐国际化工技术研究院有限公司 | Slack coal pressure gasification wastewater resourceful treatment method and treatment system as well as application |
| CN103723878A (en) * | 2012-10-12 | 2014-04-16 | 中国石油化工股份有限公司 | Method for deep treatment on industrial wastewater discharged by styrene-butadiene rubber production device |
-
2016
- 2016-08-30 CN CN201610758397.XA patent/CN106430811A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101863597A (en) * | 2010-06-28 | 2010-10-20 | 北京纬纶华业环保科技股份有限公司 | High ammonia nitrogen sewage processing method |
| CN103723878A (en) * | 2012-10-12 | 2014-04-16 | 中国石油化工股份有限公司 | Method for deep treatment on industrial wastewater discharged by styrene-butadiene rubber production device |
| CN103288311A (en) * | 2013-07-01 | 2013-09-11 | 大唐国际化工技术研究院有限公司 | Slack coal pressure gasification wastewater resourceful treatment method and treatment system as well as application |
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|---|---|---|---|---|
| CN106904765A (en) * | 2017-03-24 | 2017-06-30 | 北控水务(中国)投资有限公司 | The advanced treatment system and method for a kind of combined sewage |
| CN106915874A (en) * | 2017-05-09 | 2017-07-04 | 山东省城市供排水水质监测中心 | Bio-contact oxidation ultrafiltration integrated purifying processing unit and method |
| CN107739135A (en) * | 2017-11-26 | 2018-02-27 | 张延艳 | A kind of processing method of cobalt nickel waste water |
| CN110104891A (en) * | 2019-05-24 | 2019-08-09 | 衡水英利新能源有限公司 | A method of drop removes photovoltaic cell heavy metal ions in wastewater |
| CN111718082A (en) * | 2020-07-23 | 2020-09-29 | 周亚梁 | Urban sewage treatment system and treatment method thereof |
| CN112174440A (en) * | 2020-10-19 | 2021-01-05 | 张家港市五湖新材料技术开发有限公司 | Heavy metal wastewater treatment process |
| CN112194327A (en) * | 2020-10-19 | 2021-01-08 | 张家港市五湖新材料技术开发有限公司 | Mine acidic wastewater treatment process |
| CN114956441A (en) * | 2021-02-22 | 2022-08-30 | 苏州博净源环境科技有限公司 | Method for pre-treating high-concentration wastewater by biochemical sludge |
| CN113072175A (en) * | 2021-03-23 | 2021-07-06 | 南京大学 | Chemical precipitation and biological treatment coupling synergistic method |
| CN113354145A (en) * | 2021-06-07 | 2021-09-07 | 重庆大学 | Application of water supply sludge and treatment method of chromium-containing wastewater |
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