CN107096479A - The method of plasma processing and device of chemical liquid - Google Patents
The method of plasma processing and device of chemical liquid Download PDFInfo
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- CN107096479A CN107096479A CN201710315535.1A CN201710315535A CN107096479A CN 107096479 A CN107096479 A CN 107096479A CN 201710315535 A CN201710315535 A CN 201710315535A CN 107096479 A CN107096479 A CN 107096479A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
- B01F33/71—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming working at super-atmospheric pressure, e.g. in pressurised vessels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/181—Preventing generation of dust or dirt; Sieves; Filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/087—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J19/088—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/48—Mixing water in water-taps with other ingredients, e.g. air, detergents or disinfectants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0894—Processes carried out in the presence of a plasma
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- General Health & Medical Sciences (AREA)
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- Organic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention provides a kind of method of plasma processing of chemical liquid and device, it is related to chemical liquid treatment technical field, the method for plasma processing of the chemical liquid comprises the following steps：Bubble is passed through into liquid to be treated, then obtained gas-liquid mixed liquid is passed through in plasma generator, plasma generator excites the gas in bubble to produce plasma, and plasma reacts with liquid to be treated, to realize the processing to liquid.Above-mentioned processing unit, including for holding the container of liquid to be treated, the inside of container or chamber wall are provided with the bubble generator for being used for producing bubble, and container is connected with plasma generator by pipeline.The method of plasma processing and device of the chemical liquid alleviate high power consumption when using corona treatment liquid in the prior art, thermal transition height, cost of investment height and the low technical problem of reaction efficiency, have reached the technique effect that reaction efficiency is high, power consumption is low.
Description
Technical field
The present invention relates to chemical liquid treatment technical field, more particularly, to a kind of corona treatment side of chemical liquid
Method and device.
Background technology
Plasma is the 4th state of material, is made up of and shows as on the whole substantial amounts of free electron and ion
The ionized gas of electroneutral.Plasma can produce substantial amounts of OH free radicals in electric discharge, and OH free radicals can induce one
The free chain reaction of series, and then can apply in sewage disposal.OH free radicals possess extensive chain reaction energy
Power, is swift in response and non-selectivity, the various pollutants that can be attacked in water, is allowed to be degraded to carbon dioxide, water or other ore deposits
Thing salt, can effectively remove the organic matter in sewage, and will not produce secondary pollution.Some can not be carried out under the conditions of " tri-state "
Chemical reaction can be carried out under plasmoid.Corona treatment pollutant has physics, chemistry and biological respinse concurrently.
It is that plasma is directly produced in sewage with plasma technique processing sewage at present by taking sewage disposal as an example
And reacted with the harmful substance in sewage.Because the dielectric constant of water is than larger, the both positive and negative polarity of plasma generator will
Plasma could be produced by gas ionization by overcoming the dielectric constant of water, and substantial amounts of electric energy will be lost in this process, cause electric energy
Unnecessary loss.Further, since the both positive and negative polarity of plasma generator is directly and waste water, will have after being powered to both positive and negative polarity
The electric energy of a part is used for heating to sewage liquid, therefore direct ionization produces plasma in the liquid phase, Joule heat it is high and
Thermal transition is high, and power consumption is high, so as to cause the waste of electric energy.Simultaneously as the electric energy needed is big, the electricity of plasma equipment
The installation protection of source and equipment requires higher, invests huge, enterprise is often difficult to undertake.In addition, in the liquid phase, after gas ionization
The plasma of generation near electrode with pending reaction, due to directly effect and liquid internal, therefore response area is small, no
Beneficial to the progress of reaction, so as to reduce reaction efficiency.
The content of the invention
The first object of the present invention is to provide a kind of method of plasma processing of chemical liquid, to alleviate prior art
Use corona treatment liquid when power consumption is high, thermal transition is high, cost of investment is high and the low technical problem of reaction efficiency.
The second object of the present invention is to provide a kind of processing unit, utilizes the processing unit liquid to carry out plasma treatment
It can alleviate that equipment is installed in current processing equipment to protect and require that high, equipment cost is high and reaction speed is slow, be difficult to drop
Solve the technical problem of chemical pollutant.
In order to realize the above-mentioned purpose of the present invention, spy uses following technical scheme：
A kind of method of plasma processing of chemical liquid, comprises the following steps：
Bubble is passed through into liquid to be treated, then obtained gas-liquid mixed liquid is passed through in plasma generator,
Plasma generator excites the gas in bubble to produce plasma, and plasma reacts with liquid to be treated, with reality
Now to the processing of liquid.
Further, the bubble includes chemical liquid steam bubbles, air bubble, vapor bubble, carbon dioxide gas
Any one in body bubble or inert gas bubble.
Further, the bubble is micro-nano bubble.
Further, the size of the micro-nano bubble is 10nm-1000 μm.
Further, gas permeation bubble generator produces bubble, and bubble is by diffusing into liquid to be treated.
A kind of processing unit, including set for holding on the container of liquid to be treated, the inside of the container or chamber wall
There is the bubble generator for producing bubble, the container is connected with plasma generator by pipeline.
Further, the pressure of the gas in the bubble generator is more than the pressure of liquid to be treated in the container
By force.
Further, the bubble generator includes air inlet and gas outlet；
The gas outlet is arranged inside the container, and blebbing component is provided with the gas outlet；
It is internal or external or parallel with the chamber wall of the container that the air inlet is arranged at the container.
Further, the bubble generator includes air inlet and gas outlet, and the air inlet and the gas outlet
It may be contained within the inside of the container；
The air inlet is connected by air inlet pipe and is provided with blebbing component at external high pressure source of the gas, the gas outlet.
Further, the blebbing component includes micropore membrane module or Microporous filter elements.
Further, the Microporous filter elements include metal agglomeration filter core, foamed ceramics filter material or sintered glass filter core.
Further, the high-field electrode in the plasma generator is tubular structure, parallel-plate type structure or spiral shell
Revolve plate armature.
Compared with the prior art, the present invention has the advantages that：
(1) beneficial effect of method for treating liquids：
By being passed through bubble in liquid to be treated, bubble stably can be scattered in liquid to be treated, can treated
Constitutionally stable gas-liquid interface is formed in treatment liquid.Molten alveolate liquid is passed through plasma generator, when dissolved with gas
When the liquid to be treated of bubble is flowed through between two electrodes of plasma generator, plasma generator is produced in bubble etc. from
Daughter, therefore plasma reacted in gas-liquid interface with liquid to be treated, so that the reaction carried out in the liquid phase originally
Move to and carried out on gas-liquid interface, occur interfacial reaction.Compared with the ionization provocative reaction in Traditional liquid phase, due to gas-liquid interface
The specific surface area of reaction interface is added, therefore it is higher to be passed through reaction efficiency after bubble in the liquid phase.
Further, since there is bubble in liquid to be treated, therefore, it is possible to reduce the dielectric constant of liquid, now, it is only necessary to
Less electric energy can produce plasma, so as to reduce the loss of electric energy.
Further, since the presence of bubble, reduces directly contacting between liquid to be treated and plasma electrode, reduction heat
The coefficient of conductivity, so as to reduce the conversion ratio of Joule heat, it is to avoid unnecessary electric energy loss, reduces production cost.
(2) beneficial effect of processing unit：
Bubble generator is set in a reservoir, bubble, bubble are passed through into liquid to be treated by bubble generator
It can stably be scattered in liquid phase so that reaction in the liquid phase originally, move to gas-liquid surface, occur interfacial reaction, by
In the increase of reaction specific surface area, reaction efficiency is improved.Container is connected with plasma generator by pipeline, will can be held
Liquid to be treated in device is passed through in plasma generator, and realization is reacted inside plasma generator, and then is gone
Except impurity such as the pollutants or organic matter in liquid to be treated.
To sum up, the method for treating liquids and device that the present invention is provided, will be stable by being passed through bubble in liquid to be treated
Gas-liquid mixed liquid be passed through between the electrode in plasma generator, under the exciting of plasma, gas-liquid interface hair
Raw reaction.Because action of plasma is greatly reduced in gas-liquid interface, therefore the requirement of electric energy consumption and plasma generator.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the processing unit that the embodiment of the present invention 4 is provided；
Fig. 2 is the structural representation for the processing unit that the embodiment of the present invention 5 is provided.
Icon：10- containers；20- bubble generators；21- air inlets；22- gas outlets；23- blebbing components；24- air inlets
Pipe；25- high-pressure air sources；30- pipelines；40- plasma generators.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, on term " or " under " etc. instruction orientation or position relationship be base
In orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or imply
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of invention.
In the description of the invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " connection " should be done
It broadly understood, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can mechanically connect,
It can also be electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be two element internals
Connection.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood as the case may be
Body implication.
One aspect of the present invention provides a kind of method of plasma processing of chemical liquid, comprises the following steps：
Bubble is passed through into liquid to be treated, then obtained gas-liquid mixed liquid is passed through in plasma generator,
Plasma generator excites the gas in bubble to produce plasma, and plasma reacts with liquid to be treated, with reality
Now to the processing of liquid.
By being passed through bubble in liquid to be treated, bubble stably can be scattered in liquid to be treated, can treated
Constitutionally stable gas-liquid interface is formed in treatment liquid.Molten alveolate liquid is passed through plasma generator, when dissolved with gas
When the liquid to be treated of bubble is flowed through between two electrodes of plasma generator, plasma generator is produced in bubble etc. from
Daughter, therefore plasma reacted in gas-liquid interface face with liquid to be treated, so that what is carried out in the liquid phase originally is anti-
It should move to and be carried out on gas-liquid interface, occur interfacial reaction.Compared with the ionization provocative reaction in Traditional liquid phase, due to gas-liquid circle
Face adds the specific surface area of reaction interface, therefore it is higher to be passed through reaction efficiency after bubble in the liquid phase.
Further, since there is bubble in liquid to be treated, therefore, it is possible to reduce the dielectric constant of liquid, now, it is only necessary to
Less electric energy can produce plasma, so as to reduce the loss of electric energy.
Further, since the presence of bubble, reduces directly contacting between liquid to be treated and plasma electrode, reduction heat
The coefficient of conductivity, so as to reduce the conversion ratio of Joule heat, it is to avoid unnecessary electric energy loss, reduces production cost.
, can be by by plasma generator processing when the pollutant in liquid to be treated or higher impurity concentration
Liquid carries out ventilation bubble and the process with plasma reaction again, so that reaction iterative cycles are carried out, so as to reach effective place
The obstinate chemical pollutant of reason and the purpose for thoroughly removing the pollutant in liquid to be treated.
Chemical liquid in the present invention is nonrestrictive for example,：Papermaking wastewater, dyeing and printing sewage, leather sewage, medical treatment are dirty
Water or petrochemical effluent.
As the preferred embodiment of the present invention, the bubble includes chemical liquid steam bubbles, air bubble, vapor
Any one in bubble, carbon dioxide bubble or inert gas bubble.
As the preferred embodiment of the present invention, chemical liquid vapor bubbles are liquid to be treated vapor bubbles.Chemical liquids
Body vapor bubbles can also select it in addition to it can be liquid to be treated vapor bubbles according to the chemical property of liquid to be treated
The vapor bubbles of his chemical liquid, as long as not influenceing plasma and being smoothed out that liquid to be treated is reacted.
As the preferred embodiment of the present invention, inert gas bubble is nitrogen bubble.
As the preferred embodiment of the present invention, the bubble is micro-nano bubble.
Micro-nano bubble can be micron bubble or nano bubble, and micron bubble and nano bubble can be stablized
Be scattered in liquid to be treated, so as to ensure that plasma and liquid to be treated can stablize smooth in the reaction of gas-liquid interface
Ground is carried out.
As the preferred embodiment of the present invention, the size of the micro-nano bubble is 10nm-1000 μm.
As further preferred embodiment of the present invention, the size of the micro-nano bubble is 100nm-500 μm.
As further preferred embodiment of the present invention, the size of the micro-nano bubble is 300nm-100 μm.
Bubble size is too small, and the specific surface area of gas-liquid interface is larger, and reaction efficiency increase effect is obvious, but gas-liquid separation is tired
It is difficult.Bubble size is excessive, the less stable of bubble, is unfavorable for the progress of reaction.Therefore, in the preferred embodiment of the present invention
By being passed through the bubble of specific dimensions, the raising value of reaction efficiency is set to reach maximization.
As the preferred embodiment of the present invention, the method for bubble is passed through into liquid to be treated to be included：Gas permeation gas
The generating apparatus that is soaked formation bubble, the bubble of generation is by diffusing into liquid to be treated.
Another aspect of the present invention provides a kind of processing unit, as depicted in figs. 1 and 2, a kind of embodiment party of the invention
The processing unit of formula, including for holding the container 10 of liquid to be treated, the inside of container 10 or chamber wall, which are provided with, to be used to produce
The bubble generator 20 of anger bubble, container 10 is connected with plasma generator 40 by pipeline 30.
Bubble generator 20 is set in container 10, gas is passed through into liquid to be treated by bubble generator 20
Bubble, bubble stably can be scattered in liquid phase so that reaction in the liquid phase originally, move to gas-liquid surface, occur interface
Reaction, due to reacting the increase of specific surface area, improves reaction efficiency.Container 10 passes through pipeline 30 with plasma generator 40
Liquid to be treated in container 10, can be passed through in plasma generator 40 by connection, realize in plasma generator 40
Inside carries out provocative reaction, and then removes the impurity such as pollutant or organic matter in liquid to be treated.
Container 10 is connected with plasma generator 40 by pipeline 30.Also include on pipeline 30 pending for controlling
The controlling switch and/or force (forcing) pump of liquid communication are so that the liquid to be treated in container 10 enters plasma generator 40
In.When the position of container 10 is in high-order, controlling switch can be only set to control the start and stop of liquid to be treated flowing.Work as container
When 10 position is in low level or is in same level position with the position of plasma generator 40, it can be set on pipeline 30
Force (forcing) pump, for liquid to be treated to be pumped into plasma generator 40.
In the preferred embodiment of the present invention, in order to which bubble is quickly passed into liquid to be treated, while preventing from waiting to locate
The pressure that gas in reflux Seepage, bubble generator 20 occurs by bubble generator 20 for reason liquid is more than container
The pressure of liquid to be treated in 10.
It is used as the preferred embodiment of the present invention, when bubble generator 20 is arranged on the chamber wall of container 10, gas
The generating apparatus 20 that is soaked includes air inlet 21 and gas outlet 22；Gas outlet 22 is arranged inside container 10, and is set at gas outlet 22
There is blebbing component 23；It is internal or external or parallel with the chamber wall of container 10 that air inlet 21 is arranged at container 10.
In further preferred embodiment of the present invention, reference picture 1, bubble generator 20 is arranged on the bottom of container 10
Portion, wherein bubble generator 20 can be completely or partially placed in container 10, by above-mentioned bubble generator 20 to waiting to locate
Bubble is passed through in reason liquid.
It is above-mentioned preferred embodiment in, bubble generator 20 is arranged on the bottom of container 10, so, and gas passes through
At gas outlet 22 set blebbing component 23 produce bubble, into liquid to be treated after can be by buoyancy in liquid to be treated
Motion, so as to spread more evenly across in liquid to be treated.
In addition to being arranged on the bottom of container 10, bubble generator 20 can also be arranged on to four the week side of boss walls of container 10
On.Gas outlet 22 is preferably disposed on the inside of container 10, can so increase the area of blebbing, improves the blebbing efficiency of bubble.
Gas outlet 22 can also be with the side wall of container 10 in same plane, and now, the Area comparison that gas outlet 22 is used to produce bubble is small,
Blebbing is less efficient.And air inlet 21 can selectivity be placed in the internal or external of container 10.
When bubble is liquid to be treated bubble or other chemical reagent bubbles, bubble generator 20 also includes being used to produce
The heater of raw steam, the heater is connected at air inlet 21.Entered after heated liquid evaporation by air inlet 21, then
It is passed into by gas outlet 22 in liquid to be treated.
It is used as the preferred embodiment of the present invention, reference picture 2, when bubble generator 20 is arranged on the inside of container 10
When, bubble generator 20 includes air inlet 21 and gas outlet 22, and air inlet 21 and gas outlet 22 may be contained within container 10
It is internal；Air inlet 21 is connected by air inlet pipe 24 and is provided with blebbing component 23 at external high pressure source of the gas 25, gas outlet 22.
Bubble generator 20 is arranged on to the inside of container 10, bubble can be passed directly into the centre bit of container 10
Put, shorten the diffusion time of bubble, further increase reaction efficiency.
As the preferred embodiment of the present invention, the blebbing component 23 includes micropore membrane module or Microporous filter elements.
Micropore membrane module includes miillpore filter and fixed component, and miillpore filter is added using macromolecule chemical material and pore
Plus agent it is specially treated after be applied on supporting layer and be made.Miillpore filter aperture ratio is relatively, porosity is high, taken off without medium
Fall, quality is thin, resistance is small, filtering velocity is fast, absorption is minimum, be a kind of porous membrane filtration material, micropore membrane module is in this hair
It is used to produce micro-nano bubble in bright, the bubble of generation is uniform, and the size of bubble can be effectively controlled into 10nm-50 μ ms
It is interior.
As the preferred embodiment of the present invention, miillpore filter includes polymeric membrane for separation or high molecule microfilter membrane.
As the preferred embodiment of the present invention, the Microporous filter elements include metal agglomeration filter core, foamed ceramics and filtered
Material or sintered glass filter core.
Metal agglomeration filter core is a kind of multilayer metal sintering net, is suppressed using multilayer stainless (steel) wire by special lamination, warp
The filtering material with higher-strength and overall rigidity of vacuum-sintering.
Foamed ceramics filter material is a kind of porous material with hot properties, and aperture is from nanoscale to micron order, gas
Porosity between 20%~95%, the diameter of hole be less than 2nm for poromerics, hole between 2~50nm to be mesoporous
Material, hole is grand Porous materials in more than 50nm.Sintered glass filter core is a kind of in-depth filtration filter core, and it is by glass fibers
Dimension presses specific winding process, is wrapped in different canoes on the skeleton of unlike material.Glass fibre filter core is using interior tight
Outer loose structure, there is good in-depth filtration effect.
Different Microporous filter elements can be selected according to the chemical type of the source gas of bubble, are so more directed to
Property, it is to avoid introduce impurity and extend the service life of Microporous filter elements.
As the preferred embodiment of the present invention, high-field electrode in the plasma generator 40 for tubular structure or
Parallel-plate type structure or helical plank frame.
In the region near electrode, have substantial amounts of micro-nano bubble and exist, therefore, generation is excited near electrode
Plasma can be reacted in micro-nano bubble surface and liquid to be treated.Electrode is that tubular structure or plate armature can
To increase contact area, reaction efficiency is improved.For example：High-voltage positive electrode is slab construction, and negative pole is a line or a plane, gas
Liquid mixture carries out plasma exciatiaon reaction through both positive and negative polarity.
Embodiment 1
A kind of method of plasma processing of chemical liquid, comprises the following steps：
Step a)：Air is passed through in bubble generator, in the presence of ambient pressure, air passes through micropore membrane module
Formed after micro-nano bubble and entered inside the liquid to be treated of container, obtain gas-liquid mixed liquid；Wherein, the chi of micro-nano bubble
Very little is 10nm-300nm；
Step b)：The gas-liquid mixed liquid is passed through in plasma generator by pipeline, the plasma hair
The plasma produced in raw device reacts with the liquid to be treated, to realize the processing to liquid.
In the present embodiment, liquid to be treated is dyeing and printing sewage.The plasma that is produced in above-mentioned plasma generator with
The organic matter reaction generation innocuous substance such as water or carbon dioxide in dyeing and printing sewage, so as to reach the purpose of organics removal.
Embodiment 2
A kind of method of plasma processing of chemical liquid, comprises the following steps：
Step a)：Air is passed through in bubble generator, in the presence of ambient pressure, air passes through micropore membrane module
Formed after micro-nano bubble and entered inside the liquid to be treated of container, obtain gas-liquid mixed liquid；Wherein, the chi of micro-nano bubble
Very little is 300nm-100 μm；
Step b)：The gas-liquid mixed liquid is passed through in plasma generator by pipeline, the plasma hair
The plasma produced in raw device reacts with the liquid to be treated, to realize the processing to liquid.
In the present embodiment, liquid to be treated is dyeing and printing sewage.The plasma that is produced in above-mentioned plasma generator with
The organic matter reaction generation innocuous substance such as water or carbon dioxide in dyeing and printing sewage, so as to reach the purpose of organics removal.
Embodiment 3
A kind of method of plasma processing of chemical liquid, comprises the following steps：
Step a)：Air is passed through in bubble generator, in the presence of ambient pressure, air passes through micropore membrane module
Formed after micro-nano bubble and entered inside the liquid to be treated of container, obtain gas-liquid mixed liquid；Wherein, the chi of micro-nano bubble
Very little is 100 μm -1000 μm；
Step b)：The gas-liquid mixed liquid is passed through in plasma generator by pipeline, the plasma hair
The plasma produced in raw device reacts with the liquid to be treated, to realize the processing to liquid.
In the present embodiment, liquid to be treated is dyeing and printing sewage.The plasma that is produced in above-mentioned plasma generator with
The organic matter reaction generation innocuous substance such as water or carbon dioxide in dyeing and printing sewage, so as to reach the purpose of organics removal.
Comparative example 1
Sewage disposal is carried out using traditional sewage treatment process electro-fenton process.Plasma is directly used in treatment tank
Body generator produces the organic matter reaction in plasma, the plasma and dyeing and printing sewage of generation, to reach organics removal
Purpose.
Test data is contrasted：
The method provided with embodiment 1-3 and comparative example 1 is respectively handled in 1 ton of dyeing and printing sewage, each embodiment and comparative example
Power consumption and processing time are listed in table 1.
The power consumption of table 1 and processing time contrast
| Handle index | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Power consumption/kWh | 120 | 84 | 92 | 157 |
| Processing time/min | 205 | 143 | 160 | 270 |
As shown in Table 1, the power consumption in embodiment 1-3 reduces more than 47%, during processing than the power consumption in comparative example 1
Between the 143min that is shortened to by the 270min in comparative example 1 in embodiment 2.It follows that the processing method that the present invention is provided can
To significantly improve treatment effeciency, energy consumption is reduced.
In addition, processing method all same in embodiment 1-3, the difference is that the size for the bubble being passed through is different, from experiment number
It is different according to the size that can be seen that bubble, shadow can be produced to the power consumption in the processing time of liquid to be treated and processing procedure
Ring.As shown in Table 1, in embodiment 2 when the size of bubble is 300nm-100 μm, treatment effect is best, when power consumption and processing
Between it is relatively low.
Embodiment 4
As shown in figure 1, the present embodiment is a kind of processing unit, including for holding the container 10 of liquid to be treated, it is described
The inside of container 10 or chamber wall are provided with the bubble generator 20 for being used for producing bubble, and the container 10 is sent out with plasma
Raw device 40 is connected by pipeline 30.
With continued reference to Fig. 1, bubble generator 20 includes air inlet 21 and gas outlet 22；Gas outlet 22 is arranged at container 10
Blebbing component 23 is provided with inside, and gas outlet 22；Air inlet 21 be arranged at container 10 it is internal or external or with container 10
Chamber wall is parallel.Wherein, bubble generator 20 is arranged on the bottom of container 10, wherein bubble generator 20 can all or
It is partially disposed in container 10, bubble is passed through into liquid to be treated by above-mentioned bubble generator 20.Wherein, blebbing component 23
Including high molecule microfilter membrane.
Embodiment 5
As shown in Fig. 2 the present embodiment is a kind of processing unit, it is bubble generator with the difference of embodiment 1
20 set location is different.
With continued reference to Fig. 2, in the present embodiment, bubble generator 20 includes air inlet 21 and gas outlet 22, and air inlet
21 and gas outlet 22 may be contained within the inside of container 10；Air inlet 21 connects external high pressure source of the gas 25, outlet by air inlet pipe 24
Blebbing component 23 is provided with mouth 22.Wherein, bubble component is Stainless Steel Agglomeration Filter Core.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to foregoing embodiments, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are carried out
Equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technical side
The scope of case.
Claims (10)
1. a kind of method of plasma processing of chemical liquid, it is characterised in that comprise the following steps：
Bubble is passed through into liquid to be treated, then obtained gas-liquid mixed liquid is passed through in plasma generator, wait from
Daughter generator excites the gas in bubble to produce plasma, and plasma reacts with liquid to be treated, with realization pair
The processing of liquid.
2. the method for plasma processing of chemical liquid according to claim 1, it is characterised in that the bubble includes changing
Learn any one in liquid vaporses bubble, air bubble, vapor bubble, carbon dioxide bubble or inert gas bubble
Kind.
3. the method for plasma processing of chemical liquid according to claim 1, it is characterised in that the bubble is micro-nano
Rice bubble；
Preferably, the size of the micro-nano bubble is 10nm-1000 μm.
4. the method for plasma processing of the chemical liquid according to claim any one of 1-3, it is characterised in that gas is saturating
Cross bubble generator and produce bubble, bubble is by diffusing into liquid to be treated.
5. a kind of processing unit for the method for plasma processing for realizing the chemical liquid as described in claim any one of 1-4,
It is used to produce it is characterised in that it includes the container for holding liquid to be treated, the inside of the container or chamber wall are provided with
The bubble generator of bubble, the container is connected with plasma generator by pipeline.
6. processing unit according to claim 5, it is characterised in that the pressure of the gas in the bubble generator is big
The pressure of liquid to be treated in the container.
7. processing unit according to claim 6, it is characterised in that the bubble generator includes air inlet and outlet
Mouthful；
The gas outlet is arranged inside the container, and blebbing component is provided with the gas outlet；
It is internal or external or parallel with the chamber wall of the container that the air inlet is arranged at the container.
8. processing unit according to claim 6, it is characterised in that the bubble generator includes air inlet and outlet
Mouthful, and the air inlet and the gas outlet may be contained within the inside of the container；
The air inlet is connected by air inlet pipe and is provided with blebbing component at external high pressure source of the gas, the gas outlet.
9. the processing unit according to claim 7 or 8, it is characterised in that the blebbing component include micropore membrane module or
Microporous filter elements；
Preferably, the Microporous filter elements include metal agglomeration filter core, foamed ceramics filter material or sintered glass filter core.
10. the processing unit according to claim any one of 5-8, it is characterised in that in the plasma generator
High-field electrode is tubular structure, parallel-plate type structure or spiral planar structure.
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| CN201710315535.1A CN107096479A (en) | 2017-05-08 | 2017-05-08 | The method of plasma processing and device of chemical liquid |
| PCT/CN2018/085194 WO2018205862A1 (en) | 2017-05-08 | 2018-04-28 | Chemical liquid treatment method and device using plasma |
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| CN201710315535.1A CN107096479A (en) | 2017-05-08 | 2017-05-08 | The method of plasma processing and device of chemical liquid |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018205862A1 (en) * | 2017-05-08 | 2018-11-15 | 程久华 | Chemical liquid treatment method and device using plasma |
| CN111151206A (en) * | 2019-12-31 | 2020-05-15 | 苏州市奥普斯等离子体科技有限公司 | Plasma device for treating liquid |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113526768A (en) * | 2021-08-09 | 2021-10-22 | 天俱时工程科技集团有限公司 | Micro-nano bubble high-temperature Fenton-like water treatment process and equipment thereof |
| CN114833131B (en) * | 2022-04-18 | 2023-12-08 | 上海享清环保科技有限公司 | Automatic change micro-nano bubble cleaning equipment |
| CN114890499A (en) * | 2022-06-07 | 2022-08-12 | 珠海格力电器股份有限公司 | Plasma activated water preparation device |
| CN115432767B (en) * | 2022-08-09 | 2023-12-05 | 上海翰逸环保科技有限公司 | High-voltage alternating-current arc plasma cutting fluid treatment device |
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| CN1653865A (en) * | 2002-05-08 | 2005-08-10 | 译民·托马斯·张 | A plasma formed in a fluid |
| CN105967270A (en) * | 2016-06-20 | 2016-09-28 | 东华大学 | Treatment method and device for degrading phenylamine in sewage |
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| JP3015268B2 (en) * | 1994-12-27 | 2000-03-06 | オーニット株式会社 | Low temperature plasma generator |
| CN105836872B (en) * | 2016-05-20 | 2018-12-25 | 泸州市聚源电力设备有限公司 | The corona plasma activation method of water body ozone microbubble mass-transfer efficiency can be improved |
| CN107096479A (en) * | 2017-05-08 | 2017-08-29 | 苏州久华水处理科技有限公司 | The method of plasma processing and device of chemical liquid |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1653865A (en) * | 2002-05-08 | 2005-08-10 | 译民·托马斯·张 | A plasma formed in a fluid |
| CN105967270A (en) * | 2016-06-20 | 2016-09-28 | 东华大学 | Treatment method and device for degrading phenylamine in sewage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018205862A1 (en) * | 2017-05-08 | 2018-11-15 | 程久华 | Chemical liquid treatment method and device using plasma |
| CN111151206A (en) * | 2019-12-31 | 2020-05-15 | 苏州市奥普斯等离子体科技有限公司 | Plasma device for treating liquid |
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