CN110372048A - A method of removal Organic substance in water - Google Patents
A method of removal Organic substance in water Download PDFInfo
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- CN110372048A CN110372048A CN201910541979.6A CN201910541979A CN110372048A CN 110372048 A CN110372048 A CN 110372048A CN 201910541979 A CN201910541979 A CN 201910541979A CN 110372048 A CN110372048 A CN 110372048A
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- organic substance
- dithionite
- iron ion
- water
- hardly degraded
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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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
- C02F2101/345—Phenols
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/36—Organic compounds containing halogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
Abstract
The invention discloses a kind of methods for removing Organic substance in water, especially a kind of method using iron ion activation dithionite (Dithionite) degradation persistent organic pollutants, the following steps are included: choosing the water body containing hardly degraded organic substance, dithionite and iron ion is added, after adjusting temperature and pH value, the hardly degraded organic substance in water body is handled.This method can efficiently, easily handle the hardly degraded organic substance in organic wastewater, there is biggish application potential in terms of organic wastewater improvement.
Description
Technical field
The invention belongs to organic matter processing technology fields, and in particular to a method of removal Organic substance in water, especially
A method of utilizing iron ion activation dithionite (Dithionite) degradation hardly degraded organic substance.
Background technique
Hardly degraded organic substance is stablized because structure is complicated, and common process is difficult to remove and attract extensive attention.Currently, for hardly possible
The effective treating method of degradation of organic substances is high-level oxidation technology, so that system is generated a series of high oxidations by the means activated
Property free radical, thus effectively degrade hardly degraded organic substance.But for the hardly degraded organic substances such as halogenated organic matters, advanced oxidation skill
Art can not effective dehalogenation, so that it is difficult to reach detoxification efficiency and degradable.Advanced reduction technique on the other side can effectively take off
Halogen reduces toxicity, shows superiority.
Advanced reduction technique was obtaining extensive concern and research in recent years, and the technology is corresponding with high-level oxidation technology, just
It is a series of group that activating and reducing agent generates high reduction activations by the way of certain, thus efficient degradation organic matter.Activation
It is exactly to be added by Energy intaking or other substances, promotes certain particular key fractures in reducing agent, generate reductive free radical, make
Reducing agent plays better reduction characteristic.Advanced reduction technique be mainly used for the dehalogenation of organohalogen compounds, metal ion reduction,
The fields such as oxysalt reduction, also have the reparation for flooded soils and ferrisol earth to apply advanced reduction technique.
In current research, reducing agent includes sulphite, dithionite, ferrous iron, sulfide etc., activating means with
It further include high-power electron beam, microwave etc. based on ultraviolet light.Choosing pollutant includes that chlorinatedorganic, atenolol etc. are difficult to degrade
Organic matter, the inorganic matters such as perchlorate, nitrate.Reductive free radical includes aqueous electron (eaq), standard oxidation reduction electricity
Position is -2.9eV；Hydrogen atom (H), standard oxidationreduction potential are -2.3eV；Sulfur dioxide free radical (SO2), mark
Quasi- oxidation-reduction potential is -0.66eV.
Dithionite are a kind of stronger reducing agents, and oxidation-reduction potential is -1.12eV.Hydrosulfurous acid salt water
Solution is unstable, reaction of easily decomposing.Sulfur dioxide and sulphur simple substance can be generated in acid condition, generate sulphur under alkaline condition
Compound etc..Under ultraviolet light, the S -- S fracture in hydrosulfurous acid molecules of salt can produce two sulfur dioxide free radicals
(SO2), specific reaction equation such as (formula 1-3):
S2O4 2-→2SO2 .-(formula 1)
Research of the dithionite in advanced reduction field is few, mainly includes heavy metal reduction, oxysalt reduction
Degradation efficiency research Deng, organic pollutant is less.And activation method used in the advanced reduction technique of sodium dithionite
It is confined to UV activation, activation method is single and application difficulty is big.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of method for removing Organic substance in water, this method can be high
Effect, the hardly degraded organic substance easily in processing organic wastewater are translated by destroying hardly degraded organic substance molecular structure
Degradable material has biggish application potential in terms of organic wastewater improvement.
In order to solve the above technical problems, the present invention can use following technical scheme:
A method of removal Organic substance in water, comprising the following steps: choose the water body containing hardly degraded organic substance, the company of addition
Dithionite and iron ion are handled the hardly degraded organic substance in water body after adjusting temperature and pH value.
Preferably, the molar ratio of the dithionite and the hardly degraded organic substance is 50~500:1, the company two
The mass ratio of the material of sulphite and the iron ion is 1:0.15~1.
More preferably, the molar ratio of the dithionite and the hardly degraded organic substance is 100~200:1, the company
The mass ratio of the material of dithionite and the iron ion is 1:0.25~1.
Preferably, adjusting temperature is 10~50 DEG C.
More preferably, adjusting temperature is 30~50 DEG C.
Preferably, adjusting pH is 3.0~9.0.
More preferably, adjusting pH is 3.0~7.0.
Preferably, 0.5~12h of processing is carried out to the hardly degraded organic substance in water body.
More preferably, 0.5~6h of processing is carried out to the hardly degraded organic substance in water body.
Preferably, the hardly degraded organic substance be include tetrabromobisphenol A, deca-BDE, Atrazine (chemical name:
The chloro- 4- diethylin -6- isopropylamine base -1,3,5-triazines of 2-, No. CAS: 1912-24-9) and dicamba (chemical name: 3,6-
Two chloro- O-Anisic Acids, No. CAS: 1918-00-9) persistent organic pollutants including etc..
More preferably, the hardly degraded organic substance is one in tetrabromobisphenol A, deca-BDE, Atrazine and dicamba
Kind is several.
Preferably, the dithionite are the (S of root containing hydrosulfurous acid2O4 2-) salt.
More preferably, (the S of root containing hydrosulfurous acid2O4 2-) salt be sodium dithionite.
Preferably, the iron ion is containing Fe3+Salt, allow to be partially converted into iron hydroxide.
Preferably, described to contain Fe3+Salt be the molysite soluble easily in water such as ferric sulfate, ferric nitrate, iron chloride.
More preferably, described to contain Fe3+Salt include one or more of ferric sulfate, ferric nitrate and iron chloride.
Compared with prior art, the invention has the following advantages:
(1) the method for the present invention is that iron ion activates persistent organic pollutants in dithionite method removal water body,
Compared with the advanced reduction technique of current dithionite, temperature, pH range are wide, and without controlling dissolved oxygen conditions, low energy consumption, at
This is low, is easy to apply；
(2) the method for the present invention is that one kind is efficient, easily contains organic water body processing technique difficult to degrade, is administered in organic wastewater
Aspect has biggish application potential.
Detailed description of the invention
Fig. 1 is to activate dithionite degrading tetrabromobisphenol A effect diagram using iron ion in embodiment 1；
Fig. 2 is dropped under different dithionite dosage conditions using iron ion activation dithionite in embodiment 2
Solve tetrabromobisphenol A effect diagram；
Fig. 3 is to utilize iron ion activation dithionite degradation tetrabromo in embodiment 3 under different iron ion dosage conditions
Bisphenol-A effect diagram；
Fig. 4 is imitated under condition of different temperatures using iron ion activation dithionite degrading tetrabromobisphenol A in embodiment 4
Fruit schematic diagram；
Fig. 5 is to activate dithionite degrading tetrabromobisphenol A effect using iron ion under condition of different pH in embodiment 5
Schematic diagram；
Fig. 6 is that iron ion activation dithionite degradation deca-BDE, Atrazine, wheat straw are utilized in embodiment 6
Fear effect diagram；
Fig. 7 is imitated under condition of different pH using iron ion activation dithionite degradation deca-BDE in embodiment 7
Fruit schematic diagram；
Fig. 8 is that iron ion activation dithionite degradation Atrazine effect diagram is utilized in embodiment 8；
Fig. 9 is that iron ion activation dithionite degradation dicamba effect diagram is utilized in embodiment 9.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
Embodiment 1: iron ion activates dithionite degrading tetrabromobisphenol A
Four impermeable Photoreactors of brown are taken, tetrabromobisphenol A solution to its concentration is added thereto and reaches 1 μm of ol/L, make
PH to 7 is adjusted with 0.1mol/L sulfuric acid and 0.1mol/L sodium hydroxide, reacts in isothermal reaction slot and carries out, adjust the temperature to 30
DEG C, while four reactors are mixed slowly, guarantee its homogeneous reaction.Reactor 1 is blank control group, respectively to reaction
Sodium dithionite (Sodium dithionite, write a Chinese character in simplified form DTN) solution is added in device 2 makes its concentration reach 100 μm of ol/L, to
Ferrum sulfuricum oxydatum solutum is added in reactor 3 makes its concentration reach 100 μm of ol/L, and hydrogensulfite solution is added into reactor 4
Its concentration is set to reach 100 μm of ol/L, while ferrum sulfuricum oxydatum solutum, which is added, makes its concentration reach 25 μm of ol/L.Respectively at 15,30,45,
60,90min is sampled, and using high performance liquid chromatograph detection, wherein tetrabromobisphenol A residual concentration, testing result are as shown in Figure 1.
As seen from Figure 1, when 90min, dithionite are 47.3% to the removal rate of tetrabromobisphenol A；Iron ion
Degradation rate to tetrabromobisphenol A is 24.7%；After joint iron ion and dithionite, the degradation rate of tetrabromobisphenol A is
88.1%.Iron ion is obviously promoted effect to dithionite degrading tetrabromobisphenol A, it may be possible to due to adding for iron ion
Enter, dithionite solution system can be excited to generate containing iron complex and high activity sulfur-containing radicals, to make even two sulfurous
Hydrochlorate chain reaction more diversification, efficient degradation organic matter.And the reaction has reached 72.4% removal rate in 30min,
It is swift in response.
Embodiment 2: dithionite dosage
Six impermeable Photoreactors of brown are taken, tetrabromobisphenol A solution to its concentration is added thereto and reaches 1 μm of ol/L, make
PH to 7 is adjusted with 0.1mol/L sulfuric acid and 0.1mol/L sodium hydroxide, reacts in isothermal reaction slot and carries out, adjust the temperature to 30
DEG C, while six reactors are mixed slowly, guarantee its homogeneous reaction.Two sulfurous of the company of addition into six reactors respectively
Sour sodium (Sodium dithionite, write a Chinese character in simplified form DTN) solution and ferrum sulfuricum oxydatum solutum both make concentration reach 20,50,100,200,
400,600μmol/L.Respectively at 15,30,45,60,90min sampling, wherein tetrabromobisphenol A is detected using high performance liquid chromatograph
Residual concentration, testing result are as shown in Figure 1.
As seen from Figure 2, when 90min, with the increase of dithionite dosage, the removal rate point of tetrabromobisphenol A
Wei 45.5,74.7,85.9,87.8,71.1,57.1%, it can be seen that degradation rate with hydrosulfurous acid salinity increase
First increases and then decreases, to show that preferable molar ratio is pollutant: dithionite are in 1:50~500.
Embodiment 3: iron ion dosage
Six impermeable Photoreactors of brown are taken, tetrabromobisphenol A solution to its concentration is added thereto and reaches 1 μm of ol/L, make
PH to 7 is adjusted with 0.1mol/L sulfuric acid and 0.1mol/L sodium hydroxide, reacts in isothermal reaction slot and carries out, adjust the temperature to 30
DEG C, six reactors are mixed slowly, guarantee its homogeneous reaction.Sodium dithionite is added into five reactors
(DTN) solution makes its concentration reach 100 μm of ol/L, at the same be separately added into ferrum sulfuricum oxydatum solutum so that its concentration is reached 10,15,25,50,
100,150μmol/L.Respectively at 15,30,45,60,90min sampling, wherein tetrabromobisphenol A is detected using high performance liquid chromatograph
Residual concentration, testing result are as shown in Figure 3.
As seen from Figure 3, when 90min, as iron concentration constantly increases, iron ion activates dithionite drop
The degradation rate for solving tetrabromobisphenol A is respectively 50.1,77.2,88.1,89.1,88.8,90.5%, and degradation rate is with iron concentration
Increase and increase, comprehensively consider the reasons such as reagent cost, show that the molar concentration rate of preferable iron ion is dithionite: iron
Ion is in 1:0.15~1.
Embodiment 4: temperature
Five impermeable Photoreactors of brown are taken, tetrabromobisphenol A solution to its concentration is added thereto and reaches 1 μm of ol/L, make
PH to 7 is adjusted with 0.1mol/L sulfuric acid and 0.1mol/L sodium hydroxide, reacts in isothermal reaction slot and carries out, adjust temperature respectively
To 10,20,30,40,50 DEG C, five reactors are mixed slowly, guarantee its homogeneous reaction.It is added into five reactors
Hydrogensulfite solution makes its concentration reach 100 μm of ol/L, while ferrum sulfuricum oxydatum solutum, which is added, makes its concentration reach 25 μm of ol/L.
Respectively at 15,30,45,60,90min sampling, wherein tetrabromobisphenol A residual concentration, detection are detected using high performance liquid chromatograph
As a result as shown in Figure 4.
As seen from Figure 4, when 90min, as temperature constantly increases, iron ion activates sodium dithionite degradation tetrabromo
The degradation rate of bisphenol-A is respectively 70.5,79.7,87.5,91.1,91.5%, and the promotion of temperature is conducive to iron ion activation and connects two
Sulphite degrading tetrabromobisphenol A.
Embodiment 5:pH
Six impermeable Photoreactors of brown are taken, tetrabromobisphenol A solution to its concentration is added thereto and reaches 1 μm of ol/L, make
PH to 7,3,5,7,9,11 in reactor are adjusted respectively with 0.1mol/L sulfuric acid and 0.1mol/L sodium hydroxide.It is anti-to react on constant temperature
It answers in slot and carries out, adjust the temperature to 30 DEG C, while mix slowly six reactors, guarantee its homogeneous reaction.Reactor 1
For blank control group, hydrogensulfite solution is added into reactor 2,3,4,5,6 respectively makes its concentration reach 100 μm of ol/
L, while ferrum sulfuricum oxydatum solutum, which is added, makes its concentration reach 25 μm of ol/L.Respectively at 15,30,45,60,90min sampling, using efficient
Wherein tetrabromobisphenol A residual concentration, testing result are as shown in Figure 5 for liquid chromatograph detection.
As seen from Figure 5, when 90min, after combining iron ion and dithionite, with the raising of pH, tetrabromo is double
The degradation rate of phenol A is respectively 93.1,92.5,88.1,71.2,26.9%.As can be seen that it is acid, neutral and slightly alkalinity is conducive to
Iron ion activates dithionite degrading tetrabromobisphenol A, wherein degradation effect is more preferable when with pH value 3~9.
Embodiment 6: iron ion activates dithionite degradation deca-BDE, Atrazine, dicamba
Four impermeable Photoreactors of brown are taken, add deca-BDE, Atrazine, dicamba solution extremely simultaneously thereto
Its concentration reaches 1 μm of ol/L, adjusts pH to 7 using 0.1mol/L sulfuric acid and 0.1mol/L sodium hydroxide, reacts on isothermal reaction
It is carried out in slot, adjusts the temperature to 30 DEG C, while mix slowly four reactors, guarantee its homogeneous reaction.Reactor 1 is
Blank control group, sodium dithionite (DTN) solution is added into reactor 2 respectively makes its concentration reach 200 μm of ol/L, to anti-
Answer addition ferric chloride solution in device 3 that its concentration is made to reach 100 μm of ol/L, hydrogensulfite solution is added into reactor 4 to be made
Its concentration reaches 200 μm of ol/L, while ferric chloride solution, which is added, makes its concentration reach 100 μm of ol/L.It samples, uses after reaction 6h
High performance liquid chromatograph detects the residual concentration of wherein deca-BDE, Atrazine, dicamba, and testing result is as shown in Figure 6.
As seen from Figure 6, when 6h, removal rate point of the dithionite to deca-BDE, Atrazine, dicamba
It Wei 3.9,9.1,1.6%；Iron ion to deca-BDE, Atrazine, dicamba degradation rate be respectively 25.9,18.6,
13.5%；After joint iron ion and dithionite, deca-BDE, Atrazine, dicamba degradation rate be 77.8,
89.6,78.8%.Iron ion is obviously promoted effect to dithionite degradation deca-BDE, Atrazine, dicamba.
Embodiment 7: iron ion activation dithionite degradation deca-BDE under condition of different pH
Eight impermeable Photoreactors of brown are taken, decabrominated dipheny ethereal solution to its concentration is added thereto and reaches 1 μm of ol/L, make
PH to 7 in reactor 1,2,3 is adjusted with 0.1mol/L sulfuric acid and 0.1mol/L sodium hydroxide, adjusts pH in reactor 4~8 respectively
To 3,5,7,9,11.It reacts in isothermal reaction slot and carries out, adjust the temperature to 30 DEG C, while stir eight reactors at a slow speed
It mixes, guarantees its homogeneous reaction.Reactor 1 is blank control group, and hydrogensulfite solution is added into reactor 2 respectively makes it
Concentration reaches 200 μm of ol/L, and ferrum sulfuricum oxydatum solutum is added into reactor 3 makes its concentration reach 100 μm of ol/L, to reactor 4,5,
6, hydrogensulfite solution is added in 7,8 makes its concentration reach 200 μm of ol/L, while ferrum sulfuricum oxydatum solutum, which is added, reaches its concentration
To 100 μm of ol/L.It is sampled after reaction 6h, the residual concentration of wherein deca-BDE, detection is detected using high performance liquid chromatograph
As a result as shown in Figure 7.
As seen from Figure 7, when 6h, dithionite are 9.8% to the removal rate of deca-BDE；Iron ion is to ten
The degradation rate of dibromodiphenyl ether is 21.0%；After joint iron ion and dithionite, with the raising of pH, deca-BDE
Degradation rate is respectively 79.8,80.4,81.2,70.5,63.1%.Iron ion has dithionite degradation deca-BDE bright
Aobvious facilitation, and neutral and acidity is conducive to iron ion activation dithionite degradation deca-BDE.Wherein with pH value 3
When~7, degradation effect is more preferable.
Embodiment 8: iron ion activates dithionite degradation Atrazine
Four impermeable Photoreactors of brown are taken, Atrazine solution to its concentration is added thereto and reaches 1 μm of ol/L, use
0.1mol/L sulfuric acid and 0.1mol/L sodium hydroxide adjust pH to 7, react in isothermal reaction slot and carry out, adjust the temperature to 30
DEG C, while four reactors are mixed slowly, guarantee its homogeneous reaction.Reactor 1 is blank control group, respectively to reaction
Hydrogensulfite solution is added in device 2 makes its concentration reach 50 μm of ol/L, and iron nitrate solution is added into reactor 3 keeps its dense
Degree reaches 50 μm of ol/L, and hydrogensulfite solution is added into reactor 4 makes its concentration reach 50 μm of ol/L, while nitre is added
Sour ferrous solution makes its concentration reach 50 μm of ol/L.It is sampled after reaction 90min, using high performance liquid chromatograph detection, wherein Aunar is drawn
The residual concentration of saliva, testing result are as shown in Figure 8.
As seen from Figure 8, when 90min, dithionite are 9.4% to the removal rate of Atrazine；Iron ion pair
The degradation rate of Atrazine is 20.5%；After joint iron ion and dithionite, the degradation rate of Atrazine is 89.8%.
Iron ion is obviously promoted effect to dithionite degradation Atrazine.
Embodiment 9: iron ion activates dithionite degradation dicamba
Four impermeable Photoreactors of brown are taken, dicamba solution to its concentration is added thereto and reaches 5 μm of ol/L, use
0.1mol/L sulfuric acid and 0.1mol/L sodium hydroxide adjust pH to 7, react in isothermal reaction slot and carry out, adjust the temperature to 30
DEG C, while four reactors are mixed slowly, guarantee its homogeneous reaction.Reactor 1 is blank control group, respectively to reaction
Hydrogensulfite solution is added in device 2 makes its concentration reach 500 μm of ol/L, and ferric chloride solution is added into reactor 3 makes it
Concentration reaches 250 μm of ol/L, and hydrogensulfite solution is added into reactor 4 makes its concentration reach 500 μm of ol/L, adds simultaneously
Entering ferric chloride solution makes its concentration reach 250 μm of ol/L.It is sampled after reaction 90min, wherein using high performance liquid chromatograph detection
The residual concentration of dicamba, testing result are as shown in Figure 9.
As seen from Figure 9, when 90min, dithionite are 9.5% to the removal rate of dicamba；Iron ion is to wheat
The degradation rate of grass fear is 33.5%；After joint iron ion and dithionite, the degradation rate of dicamba is 99.1%.Iron ion
Effect is obviously promoted to dithionite degradation dicamba.
Above-described embodiment is the optimal embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications done without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included in protection scope of the present invention.
Claims (10)
1. it is a kind of remove Organic substance in water method, it is characterized in that the following steps are included: choose the water body containing hardly degraded organic substance,
Dithionite and iron ion is added, after adjusting temperature and pH value, the hardly degraded organic substance in water body is handled.
2. it is according to claim 1 removal Organic substance in water method, it is characterized in that: the dithionite with it is described
The molar ratio of hardly degraded organic substance is 50~500:1, and the mass ratio of the material of the dithionite and the iron ion is 1:
0.15~1.
3. the method for removal Organic substance in water according to claim 2, it is characterized in that: adjusting temperature is 10~50 DEG C.
4. the method for removal Organic substance in water according to claim 3, it is characterized in that: adjusting pH is 3.0~9.0.
5. the method for removal Organic substance in water according to claim 4, it is characterized in that: to the hardly degraded organic substance in water body
Carry out 0.5~12h of processing.
6. the method for removal Organic substance in water according to claim 1-5, it is characterized in that: described difficult to degrade organic
Object includes one or more of tetrabromobisphenol A, deca-BDE, Atrazine and dicamba.
7. the method for removal Organic substance in water according to claim 1-5, it is characterized in that: the hydrosulfurous acid
Salt is the (S of root containing hydrosulfurous acid2O4 2-) salt.
8. the method for removal Organic substance in water according to claim 7, it is characterized in that: the root containing hydrosulfurous acid
(S2O4 2-) salt be sodium dithionite or potassium hyposulfite.
9. it is according to claim 1-5 removal Organic substance in water method, it is characterized in that: the iron ion be containing
Fe3+Salt.
10. the method for removal Organic substance in water according to claim 9, it is characterized in that: described contain Fe3+Salt include sulphur
One or more of sour iron, ferric nitrate and iron chloride.
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| CN111573814A (en) * | 2020-04-09 | 2020-08-25 | 哈尔滨工业大学(深圳)(哈尔滨工业大学深圳科技创新研究院) | Method for treating refractory organic matters in wastewater through ferrous ion and dissolved oxygen combined activation dithionite advanced oxidation |
| CN112939304A (en) * | 2021-03-26 | 2021-06-11 | 沈阳大学 | Method for treating halogenated organic matter wastewater by virtue of high-grade reduction-oxidation coupling system based on magnesium-method flue gas desulfurization slag |
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| CN106746027A (en) * | 2017-02-14 | 2017-05-31 | 华侨大学 | A kind of method that utilization iron ion catalysis azanol removes organic pollutants with hydroperoxidation |
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| CN1915511A (en) * | 2006-08-17 | 2007-02-21 | 南京工业大学 | Bimetallic catalyst for degrading chlorine substitutional organic pollutant, preparation method and application |
| CN101708883A (en) * | 2009-12-18 | 2010-05-19 | 哈尔滨工业大学 | Light promoting dehalogenation compound medicament/light combined method for removing halogenated organic matters in water |
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| CN111573814A (en) * | 2020-04-09 | 2020-08-25 | 哈尔滨工业大学(深圳)(哈尔滨工业大学深圳科技创新研究院) | Method for treating refractory organic matters in wastewater through ferrous ion and dissolved oxygen combined activation dithionite advanced oxidation |
| CN112939304A (en) * | 2021-03-26 | 2021-06-11 | 沈阳大学 | Method for treating halogenated organic matter wastewater by virtue of high-grade reduction-oxidation coupling system based on magnesium-method flue gas desulfurization slag |
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