CN208776361U - Wastewater treatment equipment - Google Patents
Wastewater treatment equipment Download PDFInfo
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- CN208776361U CN208776361U CN201821124353.2U CN201821124353U CN208776361U CN 208776361 U CN208776361 U CN 208776361U CN 201821124353 U CN201821124353 U CN 201821124353U CN 208776361 U CN208776361 U CN 208776361U
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Abstract
This application provides a kind of wastewater treatment equipments.The wastewater treatment equipment includes: treatment unit for waste water, including at least one sewage treatment equipment, sewage treatment equipment includes ontology, cathode and anode, and ontology has accommodating chamber, cathode and anode are spaced apart and arranged in accommodating chamber, and sewage treatment equipment is used to carry out continuous processing to waste water；Conveying equipment, including entrance and outlet, the outlet of conveying equipment are connected to treatment unit for waste water, and for conveying equipment for waste liquid to be continuously conveyed into treatment unit for waste water, waste liquid includes pharmacy waste water.The wastewater treatment equipment can continuously be handled pharmacy waste water, and overcome in the prior art can only batch processing the problem of, treatment effeciency is higher, also, the wastewater treatment equipment structure is simple, easy to operate.
Description
Technical field
This application involves field of waste water treatment, in particular to a kind of wastewater treatment equipment.
Background technique
With the fast development of pharmaceuticals industry, the pollution control problem of pharmacy waste water is more and more severeer.Pharmacy waste water belongs to
One of intractable industrial wastewater, because medicament categories are different, production technology is different, with component difference big, complicated components,
The features such as amount of pollutant is more, COD high, hard-degraded substance are more and strong toxicity.And the waste water in pharmaceutical factory is usually intermittent discharge, is produced
The type and quantity of product change greatly, and cause the type of the water quality of waste water, water and pollutant to change greatly, bring to improvement
It is greatly difficult.General traditional stain disease treatment process has been unable to meet today's society to the processing requirement of pharmacy waste water.
Pharmaceuticals industry waste water mainly include antibiotic production wastewater, synthetic drug production waste water, Chinese patent medicine production wastewater with
And four major class of washing water and flushing waste water of all kinds of formulation manufacturing processes.The characteristics of its waste water is complicated component, content of organics
It is high, toxicity is big, coloration depth and salt content are high, especially biochemical is very poor.
Existing pharmaceuticals industry wastewater treatment method has very much, but the effect handled is undesirable.
Traditional physical treatment method and chemical treatment method be for virose, Recalcitrant chemicals treatment effects
It is unconspicuous, it seem the synthetic dyestuffs largely used in squeeze, spraying process, dyeing industry and food technology.And it is using
In the process, these toxic dyestuffs also will form some by-products under oxidation, hydroxylating or other chemical reactions effect,
Also threat is caused to the health of ecology and the mankind.
Conventional oxidation method handles pharmaceutical waste water, needs excessive high-valence state inorganic salts to make oxidant more, increases processing
Cost.
General electrochemical treatments technique can only the specific waste water of batch processed, treatment scale is small, and treatment effeciency is not high, and
And mostly using metallic iron is anode, as a result, bringing a large amount of molysite deposition.
Disclosed information above is used only to reinforce the background technique to technology described herein in the background section
Understanding may include therefore certain information in background technique, these information are to those skilled in the art and not formed
The home known prior art.
Utility model content
The main purpose of the application is to provide a kind of wastewater treatment equipment, to solve wastewater treatment dress in the prior art
Set the problem that treatment effeciency is lower caused by being difficult to Continuous Wastewater Treatment.
To achieve the goals above, according to the one aspect of the application, a kind of wastewater treatment equipment is provided, at the waste water
Managing device includes: treatment unit for waste water, including at least one sewage treatment equipment, above-mentioned sewage treatment equipment include ontology, yin
Pole and anode, above-mentioned ontology have accommodating chamber, and above-mentioned cathode and above-mentioned anode are spaced apart and arranged in above-mentioned accommodating chamber, above-mentioned useless
Water treatment facilities are used to carry out continuous processing to waste water；Conveying equipment, including entrance and outlet, the outlet of above-mentioned conveying equipment with
Above-mentioned treatment unit for waste water connection, above-mentioned conveying equipment are above-mentioned useless for waste liquid to be continuously conveyed into above-mentioned treatment unit for waste water
Liquid includes pharmacy waste water.
Further, above-mentioned treatment unit for waste water includes multiple above-mentioned sewage treatment equipments, and multiple above-mentioned wastewater treatments
Equipment series connection and/or parallel connection.
Further, above-mentioned ontology is continuous-stirring reactor or plug flow reactor.
Further, there are two above-mentioned sewage treatment equipments, above-mentioned treatment unit for waste water further includes series pipe, and two
Above-mentioned sewage treatment equipment is connected by above-mentioned series pipe.
Further, above-mentioned series pipe is overflow passage.
Further, above-mentioned sewage treatment equipment is fixed-bed type Electrochemical Reactor with Three-dimensional Electrode reactor, in above-mentioned accommodating chamber
It is additionally provided with three-diemsnional electrode.
Further, the material of above-mentioned three-diemsnional electrode is selected from least one of metal, active carbon and graphene.
Further, above-mentioned cathode includes at least one of graphite electrode, metal electrode and alloy electrode, above-mentioned anode
Including graphite electrode, DSA, PbO2At least one of electrode and lead alloy.
Further, above-mentioned wastewater treatment equipment further include: control unit, respectively with above-mentioned treatment unit for waste water and on
Conveying equipment electrical connection is stated, the work of above-mentioned treatment unit for waste water and above-mentioned conveying equipment is controlled.
Further, above-mentioned wastewater treatment equipment further include: mixed cell, including outlet, the outlet of above-mentioned mixed cell
It is connected to the entrance of above-mentioned conveying equipment, above-mentioned mixed cell is above-mentioned to be formed for mixing above-mentioned pharmacy waste water and catalyst
Waste liquid.
Further, above-mentioned catalyst includes molysite and/or mantoquita.
Using the technical solution of the application, in wastewater treatment equipment, conveying equipment is continuously conveyed useless to treatment unit for waste water
Liquid, at least one sewage treatment equipment in treatment unit for waste water carry out continuous processing to waste liquid, and sewage treatment equipment utilizes electricity
Water Treatment technology handles waste liquid, specifically, due to being provided in the accommodating chamber of the ontology of each sewage treatment equipment
Cathode and anode apply direct current to anode and cathode span, and under the action of electric current, the partial organic substances in waste liquid can be by oxygen
Low molecule organic matter is turned to, or even is directly oxidized to CO2And H2O.Meanwhile the hydrogen in statu nascendi reducing power that cathode generates is very strong,
Reduction reaction can occur with the pollutant in waste liquid, so that pollutant be made to be degraded.To reach reduction and removal pollutant
Purpose.
The wastewater treatment equipment can continuously be handled pharmacy waste water, and overcome in the prior art can only be in batches
The problem of processing, treatment effeciency is higher, also, the wastewater treatment equipment structure is simple, easy to operate.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the embodiment of the wastewater treatment equipment according to the application；
Fig. 2 shows the structural schematic diagrams of the wastewater treatment equipment of another embodiment of the application；
Fig. 3 shows the structural schematic diagram of the wastewater treatment equipment of the another embodiment of the application；And
Fig. 4 shows the structural schematic diagram of the wastewater treatment equipment of another embodiment of the application.
Wherein, the above drawings include the following reference numerals:
10, conveying equipment；20, treatment unit for waste water；21, sewage treatment equipment；211, ontology；212, cathode；213, positive
Pole；214, three-diemsnional electrode；215, agitating paddle；22, series pipe.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be understood that when element (such as layer, film, region or substrate) is described as at another element "upper", this yuan
Part can be directly on another element, or intermediary element also may be present.Moreover, in specification and claims, when
When description has element " connected " to another element, which " can be directly connected to " to another element, or pass through third element
" connected " to another element.
As background technique is introduced, wastewater treatment equipment in the prior art is difficult to Continuous Wastewater Treatment wastewater treatment
Device, and then cause the treatment effeciency of waste water lower, in order to solve technical problem as above, present applicant proposes at a kind of waste water
Manage device.
In the typical embodiment of one of the application, a kind of wastewater treatment equipment is provided, as shown in Figure 1, this is useless
Water treatment facilities includes treatment unit for waste water 20 and conveying equipment 10, wherein treatment unit for waste water 20 includes at least one waste water
Processing equipment 21, above-mentioned sewage treatment equipment 21 include ontology 211, cathode 212 and anode 213, and above-mentioned ontology 211, which has, to be accommodated
Chamber, above-mentioned cathode 212 and above-mentioned anode 213 are spaced apart and arranged in above-mentioned accommodating chamber, above-mentioned sewage treatment equipment 21 for pair
Waste water carries out continuous processing；Conveying equipment 10 includes entrance and outlet, the outlet and above-mentioned wastewater treatment of above-mentioned conveying equipment 10
Unit 20 is connected to, and for above-mentioned conveying equipment 10 for waste liquid to be continuously conveyed into above-mentioned treatment unit for waste water 20, waste liquid includes pharmacy
Waste water.
In above-mentioned wastewater treatment equipment, waste liquid, treatment unit for waste water is continuously conveyed to treatment unit for waste water in conveying equipment
In at least one sewage treatment equipment to waste liquid carry out continuous processing, sewage treatment equipment utilize electrochemical water treatment technology pair
Waste liquid is handled, specifically, due to being provided with cathode and anode in the accommodating chamber of the ontology of each sewage treatment equipment, to anode
Applying direct current with cathode span, under the action of electric current, the partial organic substances in waste liquid can be oxidized to low molecule organic matter,
Even directly it is oxidized to CO2And H2O.Meanwhile the hydrogen in statu nascendi reducing power that cathode generates is very strong, it can be with the pollution in waste liquid
Reduction reaction occurs for object, so that pollutant be made to be degraded.To achieve the purpose that reduction and removal pollutant.
Above-mentioned wastewater treatment equipment can continuously be handled pharmacy waste water, and overcome and in the prior art can only
The problem of batch processing, treatment effeciency is higher, also, the wastewater treatment equipment structure is simple, easy to operate.
In order to further enhance the treatment effeciency of waste water and the treatment effect of optimization pharmacy waste water, a kind of implementation of the application
In example, above-mentioned treatment unit for waste water 20 includes multiple above-mentioned sewage treatment equipments 21, and multiple above-mentioned sewage treatment equipments 21 are gone here and there
Connection and/or parallel connection.I.e. when in treatment unit for waste water including multiple sewage treatment equipments, any two sewage treatment equipment can be with
Series connection, can also be in parallel, and when sewage treatment equipment is more than three, effluent part processing equipment can connect, and another part can
With parallel connection.
It should be noted that " series connection " and " parallel connection " in the application is not electricity in the case where without specified otherwise
In series connection and parallel connection, " series connection " of the sewage treatment equipment in the application refer to outlet end and the phase of a sewage treatment equipment
The arrival end of adjacent sewage treatment equipment is connected to, and " parallel connection " of the sewage treatment equipment in the application refers to that multiple wastewater treatments are set
The outlet of standby arrival end and conveying equipment, i.e., from conveying equipment outlet output waste water be divided into multiple tributaries respectively into
Enter in corresponding sewage treatment equipment, also, converges behind outlet end by sewage treatment equipment processing into the same output
End.
In another embodiment of the application as shown in Figure 2, which includes two sewage treatment equipments,
The series connection of the two sewage treatment equipments, shown in Fig. 3, in the another embodiment of the application, which includes two
Sewage treatment equipment, the two sewage treatment equipments are also connected.
Specifically, above-mentioned ontology 211 is continuous-stirring reactor or plug flow reactor, and another kind as shown in Figure 2 is real
It applies in example, above-mentioned ontology 211 is continuous-stirring reactor (Continuous Stirred Tank Reactor, abbreviation CSTR),
In the another embodiment of the application as shown in Figure 3, above-mentioned ontology 211 is plug flow reactor (Plug Flow
Reactor, abbreviation PFR).
As shown in Fig. 2, continuous-stirring reactor refers to the groove type reactor with agitating paddle 215, the purpose of stirring is
So that material system is reached uniform state, is conducive to the uniform heat transfer of reaction.Therefore, when ontology is continuous-stirring reactor,
The reaction of pharmacy waste water is more abundant, and treatment effect is more preferable, and treatment effeciency is also more preferable.
Plug flow reactor as shown in Figure 3 does not need to stir, and structure is simple, and low energy consumption, therefore, when ontology is plug flow
When formula reactor, while guaranteeing efficient process, the energy consumption of the wastewater treatment equipment can be reduced, reduces processing cost.
Certainly, the ontology of the application is not limited to above-mentioned two kinds, can also be other reactors, those skilled in the art
Member can select according to the actual situation suitable reactor as the ontology of the application.
In another embodiment and another embodiment as shown in Figure 3 as shown in Figure 2, above-mentioned sewage treatment equipment 21
There are two, above-mentioned treatment unit for waste water 20 further includes series pipe 22, and two above-mentioned sewage treatment equipments 21 pass through above-mentioned string
It connects on union road 22.
Certainly, the sewage treatment equipment in the application is not limited to above-mentioned two, can also be greater than two, this field
Technical staff can select that appropriate number of sewage treatment equipment is arranged according to the actual situation.
In the specific embodiment of the application, above-mentioned series pipe 22 is overflow passage, when first sewage treatment equipment
In the height of waste liquid when being more than predetermined value, the part waste liquid that exceeds will flow into the next of series connection with it by overflow passage
In sewage treatment equipment, so as to preferably control the flowing of waste liquid.
As shown in figure 4, above-mentioned sewage treatment equipment 21 is fixed-bed type three-diemsnional electrode in another embodiment of the application
Electrochemical reactor is additionally provided with three-diemsnional electrode 214 in addition to being provided with cathode 212 and anode 213 in that is, above-mentioned accommodating chamber, and three
Dimension electrode refers to the electrode for having very big surface area relative to volume, such as carbon felt, activated carbon fibre (ACF), Reticulated Vitreous
Carbon (RVC), carbon sponge and carbon nanotube etc..The reactor can improve the current density of reactor operation, to provide processing effect
Rate and electrical efficiency.
Relative to two-dimensional electrode, three-diemsnional electrode can shorten the reaction time and improve reaction rate, and then greatly improve
The treatment effeciency of pharmacy waste water.The preparation of three-diemsnional electrode is usually used what thermopnore, fixed bed or porous material were realized,
Middle porous material is widely used in the processing of pharmacy waste water.
In actual application process, fluidized bed replacement, i.e., above-mentioned fixed-bed type three is can be used in above-mentioned fixed bed
Dimension electrode electro Chemical reactor can be fluidized bed type Electrochemical Reactor with Three-dimensional Electrode reactor.
In another embodiment of the application, the material of the three-diemsnional electrode in the application is selected from metal, active carbon and graphite
At least one of alkene.Wherein metal can be metallic, be also possible to metal foam.Certainly, the three-diemsnional electrode of the application
Material be not limited to these three, can also be the materials such as carbon felt mentioned above, those skilled in the art can be according to reality
Situation selection suitable material forms the three-diemsnional electrode of the application.
As shown in figure 4, the number of above-mentioned three-diemsnional electrode is usually multiple, pharmacy wastewater treatment can be further improved in this way
Efficiency.
Specifically, the specific material of fixed bed, internal diameter, length, the fixation position of three-diemsnional electrode, interval, quantity and anti-
Voltage, each electrode type, catalyst amount, residence time and temperature for answering etc. are also according to the physicochemical property of waste water phase, pollution
After object concentration and processing depending on acceptable standard.
In order to further ensure the continuous processing effect of pharmacy waste water is preferable, in a kind of embodiment of the application, above-mentioned yin
Pole 212 includes at least one of graphite electrode, metal electrode and alloy electrode, and above-mentioned anode 213 includes graphite electrode, DSA
(Dimensional Stable Anode, dimensional stable anode), PbO2At least one of electrode and lead alloy select this several
Kind anode avoids metallic iron and does a large amount of molysite depositions of anode bring.
Above-mentioned DSA generally refers to coating titanium anode, is a kind of two-layer composite, using Titanium as conducting base, base
The coating that catalytic action can be played to electrochemical reaction is coated on body.
In order to preferably control the work of wastewater treatment equipment, in a kind of embodiment not shown in the figure of the application, on
Stating wastewater treatment equipment further includes control unit, which sets with above-mentioned treatment unit for waste water 20 and above-mentioned transport respectively
Standby 10 electrical connection, for controlling the work of above-mentioned treatment unit for waste water 20 and above-mentioned conveying equipment 10.
It further include online detection instrument, such as fluid flow in above-mentioned wastewater treatment equipment in a kind of specific embodiment
Meter or the electronic scale with PORT COM, online detection instrument can detecte charging situation etc., and the data that will test pass
It is defeated into control unit, control unit controls material charging rate and decomposition voltage etc. according to testing result.
In the another embodiment of the application, above-mentioned wastewater treatment equipment further includes mixed cell, and mixed cell includes
Mouthful, the outlet of above-mentioned mixed cell is connected to the entrance of above-mentioned conveying equipment 10, and above-mentioned mixed cell is for mixing above-mentioned waste water
And catalyst.Catalyst can further promote reaction of the pharmacy waste water in treatment unit for waste water, and then can be with lifting waste water
The efficiency of processing.
In a kind of specific embodiment, above-mentioned catalyst includes molysite and/or mantoquita, can be catalyzed organic in reaction waste
The further degradation speed and palliating degradation degree of object.
The wastewater treatment equipment of the application can also be applied using in traditional electricity-Fenton oxidation method, i.e., simultaneously to
The H of high equivalent weight is pumped into processing unit2O2And FeCl3Or similar other reagents or class Fenton's reaction reagent.
Also, in actual application process, can carry out according to the actual situation plural serial stage or with other technologies (such as light
Chemistry, enzymology, microwave, ultrasonic wave etc.) combination.
In the typical embodiment of the another kind of the application, a kind of wastewater treatment method is provided, this method is using any
A kind of above-mentioned wastewater treatment equipment implementation, the wastewater treatment method include: that control conveying equipment is continuous to treatment unit for waste water
Waste liquid is conveyed, above-mentioned waste liquid includes pharmacy waste water；It controls treatment unit for waste water and continuous processing is carried out to waste liquid.
Above-mentioned wastewater treatment method is implemented using above-mentioned wastewater treatment equipment, controls conveying equipment to wastewater treatment list
Waste liquid is continuously conveyed in member, and control treatment unit for waste water carries out continuous processing to waste liquid, and sewage treatment equipment is using at electro-chemical water
Reason technology handles waste liquid, specifically, due to being provided with cathode and sun in the accommodating chamber of the ontology of each sewage treatment equipment
Pole applies direct current to anode and cathode span, and under the action of electric current, the partial organic substances in waste liquid can be oxidized to low point
Sub- organic matter, or even directly it is oxidized to CO2And H2O.Meanwhile the hydrogen in statu nascendi reducing power that cathode generates is very strong, it can be with waste liquid
In pollutant occur reduction reaction, so that pollutant be made to be degraded.To achieve the purpose that reduction and removal pollutant.
Above-mentioned wastewater treatment method can continuously be handled pharmacy waste water, and overcome and in the prior art can only
The problem of batch processing, treatment effeciency is higher, also, the wastewater treatment method is easy to operate.
In order to preferably control the reaction in treatment unit for waste water, thus the further treatment effect of lifting waste water and processing
Efficiency, in a kind of embodiment of the application, the flow velocity of the waste liquid that above-mentioned conveying equipment is conveyed to above-mentioned treatment unit for waste water 3~
Between 5ml/min.
In the another embodiment of the application, above-mentioned treatment unit for waste water carries out the process of continuous processing to above-mentioned waste liquid
In, the voltage between the cathode and anode in sewage treatment equipment is controlled between 5~15V, can preferably be controlled so useless
Electrochemical reaction in water treatment unit so that the reaction of waste liquid is more abundant, thus improve waste liquid treatment effect and
Treatment effeciency.Further preferably between 8~10V.
During above-mentioned treatment unit for waste water carries out continuous processing to above-mentioned waste liquid, control cathode immerses in waste liquid most
Large area is about in 90~110cm2Between and/or control anode immerse waste liquid in maximum area about in 90~110cm2Between, electricity
Current density influences the progress of reaction, and electrode area increases electric current, increases processing capacity.
In the another embodiment of the application, above-mentioned treatment unit for waste water carries out the process of continuous processing to above-mentioned waste liquid
In, the current density in sewage treatment equipment is controlled in 30~80A/cm2Between, wastewater treatment list can be preferably controlled in this way
Reaction in member, thus the further treatment effect and treatment effeciency of lifting waste water.
In order to guarantee the reaction rate with higher of the waste liquid in sewage treatment equipment, to promote the processing effect of waste liquid
Rate, in a kind of embodiment of the application, during above-mentioned treatment unit for waste water carries out continuous processing to above-mentioned waste liquid, control is useless
Temperature in water treatment facilities is between 20~30 DEG C.
In another embodiment of the application, residence time of the waste liquid of unit volume in sewage treatment equipment is 0.3
Between~6h, waste liquid can be made to react more abundant in this way, improve the treatment effect of waste liquid, and ensure that processing simultaneously
Efficiency it is higher.
It is upward in above-mentioned conveying equipment in a kind of embodiment of the application in order to further enhance the reaction rate of waste liquid
It states treatment unit for waste water to be continuously conveyed before waste liquid, in above-mentioned wastewater treatment method further include: by above-mentioned pharmacy waste water and catalysis
Agent is mixed with the weight ratio of (10000:1)~(100:1), forms above-mentioned waste liquid.It is mixed, can guaranteed with above-mentioned weight ratio
Under the premise of reaction rate is higher, catalyst is saved.
In a kind of specific embodiment, above-mentioned catalyst includes molysite and/or mantoquita.
In order to further enhance the treatment effeciency of waste liquid, in a kind of embodiment of the application, above-mentioned wastewater treatment method is also
Include: oxygen is passed through into the sewage treatment equipment of above-mentioned treatment unit for waste water, such as oxygen or compression including oxygen it is empty
Gas etc..The step can be implemented in any time in wastewater treatment process.
In order to enable those skilled in the art can clearly understand the technical solution of the application, below with reference to tool
The embodiment of body illustrates the technical solution of the application.
Embodiment 1
The water phase 1:DMSO (dimethyl sulfoxide) containing dimethyl sulfide that pharmacy waste water generates for Swern oxidation, acetic anhydride,
Unknown inorganic salts etc.；COD is about 380,000 mg/L in pharmacy waste water.
Wastewater treatment equipment is as shown in Figure 2, wherein does anode 213 using graphite and graphite electrode does cathode 212, waste water
Processing equipment includes CSTR, cathode and anode, and practical is electrolytic cell, and conveying equipment 10 is delivery pump, and wastewater treatment process includes:
400mL pharmacy waste water (about 450g) is taken, 4.5gFeCl is separately added3, stir to clarify, form waste liquid, pass through conveying
Pump is delivered in CSTR, and the flow velocity of waste liquid is 4ml/min, and it is about 100cm that two electrodes, which immerse electrolyte maximum area,2, two
Voltage between a electrode: the current density 60mA/cm in 5-8V, CSTR2, the temperature in CSTR is 20~30 DEG C, unit bodies
Long-pending waste liquid residence time in sewage treatment equipment is 6h.
Waste liquid sample presentation detection that treated, HPLC monitoring display: after treatment, the dimethyl sulphide in pharmacy waste water is basic
It disappears, COD detection display 2.0 ten thousand mg/L of residue, removal rate is up to 95%.
Embodiment 2
The difference from embodiment 1 is that:
Current density 60mA/cm2, the waste liquid of unit volume residence time in sewage treatment equipment is 4h, after processing
Waste liquid sample presentation detection.
HPLC monitoring display: dimethyl sulphide disappears substantially, and COD detection display 50,000 mg/L of residue, removal rate is up to 87%.
Embodiment 3
The difference from embodiment 1 is that:
Current density 30mA/cm2, the waste liquid of unit volume residence time in sewage treatment equipment is 2h.
Waste liquid sample presentation detection that treated.HPLC monitoring display: dimethyl sulphide disappears substantially, COD detection display residue 90,000
Mg/L, removal rate is up to 76%.
Embodiment 4
The difference from embodiment 1 is that:
Pharmacy waste water is the water phase 2:DMSO containing dimethyl sulfide that electrochemical treatments Swern oxidation generates, unknown inorganic
Salt etc.；COD is about 28W mg/L in pharmacy waste water.
Current density 60mA/cm2, residence time of the waste liquid of unit volume in sewage treatment equipment is 20min.
Waste liquid sample presentation detection that treated.HPLC monitoring display: dimethyl sulphide disappears substantially, COD detection display residue 80,000
Mg/L, removal rate is up to 71%.
Embodiment 5
Difference with embodiment 4 is:
Current density 70mA/cm2, residence time of the waste liquid of unit volume in sewage treatment equipment is 1h.
Waste liquid sample presentation detection that treated.HPLC monitoring display: dimethyl sulphide disappears substantially, COD detection display residue 40,000
Mg/L, removal rate is up to 86%.
Embodiment 6
Difference with embodiment 4 is:
Current density 80mA/cm2, residence time of the waste liquid of unit volume in sewage treatment equipment is 1h.
Waste liquid sample presentation detection that treated.HPLC monitoring display: dimethyl sulphide disappears substantially, COD detection display residue 30,000
Mg/L, removal rate is up to 89%.
Embodiment 7
The difference from embodiment 1 is that:
Catalyst is the FeCl of 0.45g3, current density 80mA/cm2。
Waste liquid sample presentation detection that treated.HPLC monitoring display: dimethyl sulphide disappears substantially, COD detection display residue 40,000
Mg/L, removal rate is up to 83%.
Embodiment 8
The difference from embodiment 1 is that:
Catalyst is the FeCl of 0.045g3, current density 80mA/cm2。
Waste liquid sample presentation detection that treated.HPLC monitoring display: dimethyl sulphide disappears substantially, COD detection display residue 80,000
Mg/L, removal rate is up to 73%.
Embodiment 9
The difference from embodiment 1 is that: the temperature in CSTR is 30~35 DEG C, and treated, and waste liquid sample presentation detects, HPLC
Monitoring display: after treatment, the dimethyl sulphide in pharmacy waste water disappears substantially, and COD detection display 3.5 ten thousand mg/L of residue are gone
Except rate is up to 85%.
Embodiment 10
The difference from embodiment 1 is that: the current density 20mA/cm in CSTR2, waste liquid sample presentation detection that treated,
HPLC monitoring display: after treatment, the dimethyl sulphide in pharmacy waste water disappears substantially, COD detection display 50,000 mg/L of residue,
Removal rate is up to 75%.
Embodiment 11
The difference from embodiment 1 is that: catalyst is the FeCl of 5.0g3, waste liquid sample presentation detection that treated, HPLC monitoring
Display: after treatment, the dimethyl sulphide in pharmacy waste water disappears substantially, and COD detection display 30,000 mg/L of residue, removal rate can
Up to 88%.
It can be seen from the above description that the application the above embodiments realize following technical effect:
1), in the wastewater treatment equipment of the application, waste liquid, wastewater treatment is continuously conveyed to treatment unit for waste water in conveying equipment
At least one sewage treatment equipment in unit carries out continuous processing to waste liquid, and sewage treatment equipment handles skill using electro-chemical water
Art handles waste liquid, specifically, due to being provided with cathode and anode in the accommodating chamber of the ontology of each sewage treatment equipment, to
The anode and cathode time applies direct current, and under the action of electric current, the partial organic substances in waste liquid, which can be oxidized to low molecule, to be had
Machine object, or even directly it is oxidized to CO2And H2O.Meanwhile cathode generate hydrogen in statu nascendi reducing power it is very strong, can in waste liquid
Reduction reaction occurs for pollutant, so that pollutant be made to be degraded.To achieve the purpose that reduction and removal pollutant.
The wastewater treatment equipment of the application can continuously be handled pharmacy waste water, and be overcome in the prior art only
The problem of energy batch processing, treatment effeciency is higher, also, the wastewater treatment equipment structure is simple, easy to operate.
2), the wastewater treatment method of the application can continuously be handled pharmacy waste water, and overcome the prior art
In can only batch processing the problem of, treatment effeciency is higher, also, the wastewater treatment method is easy to operate.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (11)
1. a kind of wastewater treatment equipment, which is characterized in that the wastewater treatment equipment includes:
Treatment unit for waste water (20), including at least one sewage treatment equipment (21), the sewage treatment equipment (21) include this
Body (211), cathode (212) and anode (213), the ontology (211) have accommodating chamber, the cathode (212) and the anode
(213) it is spaced apart and arranged in the accommodating chamber, the sewage treatment equipment (21) is used to carry out continuous processing to waste water；And
Conveying equipment (10), including entrance and outlet, the outlet and the treatment unit for waste water (20) of the conveying equipment (10)
Connection, the conveying equipment (10) include system for waste liquid, the waste liquid to be continuously conveyed in the treatment unit for waste water (20)
Medicine waste water.
2. wastewater treatment equipment according to claim 1, which is characterized in that the treatment unit for waste water (20) includes multiple
The sewage treatment equipment (21), and multiple sewage treatment equipments (21) series connection and/or parallel connection.
3. wastewater treatment equipment according to claim 1, which is characterized in that the ontology (211) is to continuously stir reaction
Device or plug flow reactor.
4. wastewater treatment equipment according to claim 3, which is characterized in that there are two the sewage treatment equipments (21),
The treatment unit for waste water (20) further includes series pipe (22), and two sewage treatment equipments (21) pass through the series connection
Pipeline (22) series connection.
5. wastewater treatment equipment according to claim 4, which is characterized in that the series pipe (22) is overflow passage.
6. wastewater treatment equipment according to claim 1, which is characterized in that the sewage treatment equipment (21) is fixed bed
Formula Electrochemical Reactor with Three-dimensional Electrode reactor is additionally provided with three-diemsnional electrode (214) in the accommodating chamber.
7. wastewater treatment equipment according to claim 6, which is characterized in that the material of the three-diemsnional electrode (214) is selected from
At least one of metal, active carbon and graphene.
8. wastewater treatment equipment according to claim 1, which is characterized in that the cathode (212) includes graphite electrode, gold
Belong at least one of electrode and alloy electrode, the anode (213) includes graphite electrode, DSA, PbO2Electrode and metal electricity
At least one of pole.
9. wastewater treatment equipment according to claim 1, which is characterized in that the wastewater treatment equipment further include:
Control unit is electrically connected with the treatment unit for waste water (20) and the conveying equipment (10) respectively, is controlled described useless
The work of water treatment unit (20) and the conveying equipment (10).
10. wastewater treatment equipment according to claim 1, which is characterized in that the wastewater treatment equipment further include:
Mixed cell, including outlet, the outlet of the mixed cell are connected to the entrance of the conveying equipment (10), the mixing
Unit is for mixing the pharmacy waste water and catalyst, to form the waste liquid.
11. wastewater treatment equipment according to claim 10, which is characterized in that the catalyst includes molysite and/or copper
Salt.
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