CN106006826A - Fe3O4/CNTs-based synergic microwave organic pesticide degradation method - Google Patents
Fe3O4/CNTs-based synergic microwave organic pesticide degradation method Download PDFInfo
- Publication number
- CN106006826A CN106006826A CN201610417539.6A CN201610417539A CN106006826A CN 106006826 A CN106006826 A CN 106006826A CN 201610417539 A CN201610417539 A CN 201610417539A CN 106006826 A CN106006826 A CN 106006826A
- Authority
- CN
- China
- Prior art keywords
- cnts
- microwave
- agricultural chemicals
- organic agricultural
- coordination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/302—Treatment of water, waste water, or sewage by irradiation with microwaves
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F2101/306—Pesticides
Abstract
The invention relates to a Fe3O4/CNTs-based synergic microwave organic pesticide degradation method. According to the adopted technical scheme, a catalyst is added into water containing organic pesticide, and irradiation is performed under the microwave of 150-750 W for 1-7 min; the catalyst is Fe3O4 loaded carbon nano tube nano particles Fe3O4/CNTs. The organic pesticide is diuron or parathion-methyl. The novel method for treating organic pesticide wastewater has the advantages of being high in degradation efficiency, high in speed, low in cost, free of secondary pollution and the like, is suitable for large-scale organic pesticide wastewater treatment, and can rapidly and thoroughly degrade organic pesticide in a short time.
Description
Technical field
The invention belongs to catalytic degradation field, more particularly to the Fe prepared with microwave-hydrothermal method3O4Load CNT is received
Rice corpuscles Fe3O4/ CNTs combines the method for microwave irradiation fast degradation organic agricultural chemicals.
Background technology
The production of organochlorine class herbicide, use and discharge, and pesticide residues, water body environment and the mankind in serious threat
Healthy.Organochlorine class herbicidal composition is complicated, steady chemical structure, and toxicity is big, is difficult to be biodegradable.Conventional water treatment technology
Also this kind of organic wastewater of degrading it is difficult to.Therefore, exploring the new method that organochlorine herbicide can be made the most effectively to degrade is quite must
Want.
Diuron, [N-(3,4-Dichlorobenzene base)]-N ', N '-dimethyl urea, a kind of herbicide, before and after being widely used in results
Weeds remove.It is listed in carcinogenic and genetoxic compound, belongs to the persistence organic pollutant (POPs) of difficult degradation.Enemy
Grass grand in water dissolubility low, but water can be slowly dissolved in, also can enter subsoil water, surface water through soil.Due to its persistency,
Half-life was more than 370 days under field conditions (factors), and in many countries, the pollution of diuron is a environmental problem the most serious.
European Union's refuse skeleton instruction is thought, diuron is a kind of priority treatment chemical substance.
Existing biodegrading process is mainly Physical, chemical method, physical-chemical process and bioanalysis.But apply these methods
Many problems still can not solve, as poor in Physical reproducibility, it is impossible to removes the colloid in water and lyophobic dust；Chemical method pair
High COD poor processing effect, power consumption is big, and cost is high, there is liberation of hydrogen or oxygen uptake reaction；High concentration wastewater treatment is become by physical-chemical process
This height；Bioanalysis microorganism has strict demand to nutrient substance, temperature, pH value, and impact resistance is poor, bad adaptability, during reaction
Between long.In existing advanced oxidation water technology, photocatalytic oxidation is suitable only for transparent with machine waste water, Fenton oxygen
Change method is suitable for high concentrated organic wastewater.They generate along with intermediate product in degradation process, and degraded is not thorough, can bring
Secondary pollution.
Summary of the invention
In order to solve problem above, the present invention provides a kind of degradation rate fast, and efficiency is high, and low cost does not has intermediate product
Generate and do not result in the one of secondary pollution based on Fe3O4/ CNTs works in coordination with the method for microwave degradation organic agricultural chemicals.
The technical solution used in the present invention is: a kind of based on Fe3O4/ CNTs works in coordination with the method for microwave degradation organic agricultural chemicals: in
In water containing organic agricultural chemicals, add catalyst, under microwave 150-750W, irradiate 1-7min；Described catalyst is Fe3O4Negative
Carry carbon nanotube particle Fe3O4/CNTs。
Above-mentioned one is based on Fe3O4/ CNTs works in coordination with the method for microwave degradation organic agricultural chemicals, and described organic agricultural chemicals is enemy
Grand or the parathion-methyl of grass.
Above-mentioned one is based on Fe3O4/ CNTs combines the method for microwave degradation organic agricultural chemicals, regulates the initial of organic agricultural chemicals
Concentration is 5.0-25.0mg/L, and microwave power is 450W.
Above-mentioned one is based on Fe3O4/ CNTs works in coordination with the method for microwave degradation organic agricultural chemicals, the consumption of described catalyst
For 0.1-0.8g/L.
Above-mentioned one is based on Fe3O4/ CNTs works in coordination with the method for microwave degradation organic agricultural chemicals, described catalyst Fe3O4Negative
Carry carbon nanotube particle Fe3O4The preparation method of/CNTs is as follows: by the CNT CNTs ultrasonic disperse of purification go from
In sub-water, supersound process 10-15min, by a certain amount of Fe (NO3)3·9H2O doses in mixed solution, and supersound process 15-
20min, the pH adding NaAc regulation solution is 2.5 6.0, and then mixed liquor is joined politef by ultrasonic 10-15min
In autoclave, airtight it is placed in microwave dissolver, in pressure 0.5-1.5MPa, microwave 100-300W, temperature 150-210
At DEG C, microwave irradiation 10-40min, takes out reactor, is cooled to room temperature, take out mixed liquor, filter, solids deionized water
Washing, is dried in 180 DEG C of baking ovens.
Above-mentioned one is based on Fe3O4/ CNTs works in coordination with the method for microwave degradation organic agricultural chemicals, described catalyst Fe3O4Negative
Carry carbon nanotube particle Fe3O4/ CNTs, by weight percentage, Fe3O4For 2.5-24%.
Microwave degradation technology is to make polar molecule high-speed rotary therein based on microwave irradiation liquid then produces heat effect,
Change the thermodynamic function of system simultaneously, reduce activation energy and the chemical bond strength of molecule of reaction.Therefore microwave synthesis pressure,
Generated time, Fe3+Concentration, degraded organic agricultural chemicals is had the biggest by the factor such as microwave degradation time, catalyst amount and microwave power
Impact.
The present invention uses the ferroferric oxide/carbon nano tube catalyst that microwave-hydrothermal method obtains, in conjunction with microwave cooperating effect,
Degraded organic agricultural chemicals.When microwave irradiation, the load of ferroso-ferric oxide can strengthen the absorption microwave ability of CNT, makes catalysis
Agent surface produces more " focus ", and makes the temperature of these " focuses " higher, thus improves the degradation effect of organic agricultural chemicals.This
Outward, ferroso-ferric oxide load also helps catalyst and separates from solution and reuse.Therefore, the present invention processes as one
The new method of organic wastewater, has that degradation efficiency is high, speed fast, an advantage such as low cost and non-secondary pollution, is suitable for extensive
Processing the various degree of depth (transparent or opaque) organic pesticide wastewater, can realize the short time degrades organic agricultural chemicals the most up hill and dale.
Detailed description of the invention
The impact on degraded organic agricultural chemicals of embodiment 1 catalyst
The pretreatment of CNT CNTs: accurately weigh 5.0g CNT CNTs (20-40nm) powder, put into
In 300mL 2.0mol/L salpeter solution, 100 DEG C are boiled 30min.It is cooled to room temperature, filters, with deionized water repeated washing number
Secondary to pH=7, filter, in vacuum drying oven, 105 DEG C of dry 6.0h, grind, obtain the CNTs powder of purification, be placed on exsiccator
Middle storage, standby.
Fe3O4Load carbon nanotube particle Fe3O4The preparation of/CNTs: by ultrasonic point of the CNT CNTs of pretreatment
Dissipating in deionized water, supersound process 15min, by a certain amount of Fe (NO3)3·9H2O doses in mixed solution, and supersound process
20min, the pH adding NaAc regulation solution is 2.5-6.0, and then mixed liquor is joined politef high by ultrasonic 15min
In pressure reactor, airtight it is placed in microwave dissolver, in pressure 0.5-1.5MPa, microwave 100-300W, temperature 150-210 DEG C
Under, microwave irradiation 10-40min, take out reactor, be cooled to room temperature, take out mixed liquor, filter, solids is washed with deionized water
Wash, be dried in 180 DEG C of baking ovens, obtain Fe3O4Load carbon nanotube particle Fe3O4/ CNTs catalyst.
Biodegrading process: taking initial concentration is 10mg/L diuron (or parathion-methyl) solution 25mL, catalyst Fe3O4/
CNTs addition 0.4g/L, irradiates (diuron sample irradiation 1min, parathion-methyl sample irradiation 2min) under microwave 450W.
(1) catalyst Fe3O4Load carbon nanotube particle Fe3O4In/CNTs, Fe3O4The content shadow to degradation rate
Ring
The pH of regulation solution is 5.0, and in pressure 1.5MPa, microwave 300W, temperature 210 DEG C, prepared by microwave irradiation 30min,
Result such as table 1.
Table 1Fe3O4The content impact on degradation rate
From table 1, along with Fe3O4The increase of content, degraded reduces after taking the lead in raising.Work as Fe3O4When content is 5.8%,
Degradation rate is maximum.This is because under microwave irradiation, Fe3O4Microwave can be absorbed consumingly, improve the number of CNTs surface focus
Amount and temperature, but along with Fe3O4Amount is continuously increased, too much Fe3O4CNTs surface may be blocked, thus hinder catalyst
With organic agricultural chemicals molecule contacts, thus degradation rate reduce.Suitable Fe is described3O4Content, it is possible to increase Fe3O4The microwave of/CNTs
Activity.Therefore in the present invention, preferably Fe3O4Content is 5.8%.
(2) pH impact on degradation rate
Change pH, Fe3O4Content is 5.8% (wt%), in pressure 1.5MPa, microwave 300W, temperature 210 DEG C, microwave irradiation
Prepared by 30min, result such as table 2.
The table 2pH impact on degradation rate
(3) pressure, microwave, the temperature impact on degradation rate
Change pressure, microwave and temperature, Fe3O4Content is 5.8% (wt%), and pH is 5.0, makes under microwave irradiation 30min
Standby, result such as table 3.
The impact on degradation rate of the table 3 microwave hydrothermal pressure
(4) the microwave attenuation materials time is on the impact on degradation rate
Change microwave irradiating time, Fe3O4Content is 5.8% (wt%), in pressure 1.5MPa, microwave 300W, temperature 210
DEG C, pH is 5.0 preparations, result such as table 4.
The impact on degradation rate of the table 4 microwave attenuation materials time
From table 4, the microwave attenuation materials time changes to 40min from 10min, the Fe of synthesis3O4/ CNTs is used for degrading
Experiment.Along with the prolongation of M-H time, in the M-H time less than half an hour, palliating degradation degree is gradually increased, and extends microwave hydrothermal afterwards
Generated time, palliating degradation degree slowly reduces.It is due at Fe3O4In/CNTs particle preparation process, make when 10min and 20min
Occurring for amorphous phase, when 30-40min, it defines good ferrite phase.Therefore, 30min synthesizes as this experiment
The microwave attenuation materials time.
Embodiment 2 is degraded the method for organic agricultural chemicals parathion-methyl
The pretreatment of CNT CNTs: accurately weigh 5.0g CNT CNTs (20-40nm) powder, put into
In 300mL, 2.0mol/L salpeter solution, 100 DEG C are boiled 30min.It is cooled to room temperature, filters, with deionized water repeated washing number
Secondary to pH=7, filter, in vacuum drying oven, 105 DEG C of dry 6.0h, grind, obtain the CNTs powder of purification, be placed on exsiccator
Middle storage, standby.
Fe3O4Load carbon nanotube particle Fe3O4The preparation of/CNTs: by ultrasonic point of the CNT CNTs of pretreatment
Dissipating in deionized water, supersound process 15min, by a certain amount of Fe (NO3)3·9H2O doses in mixed solution, and supersound process
20min, the pH adding NaAc regulation solution is 5.0, and then mixed liquor is joined politef high pressure anti-by ultrasonic 15min
Answer in still, airtight be placed in microwave dissolver, in pressure 1.5MPa, microwave 300W, at temperature 210 DEG C, microwave irradiation
30min, takes out reactor, is cooled to room temperature, takes out mixed liquor, filters, and solids is washed with deionized, in 180 DEG C of baking ovens
In be dried, obtain Fe3O4Content is the Fe of 5.8% (wt%)3O4Load carbon nanotube particle Fe3O4/ CNTs catalyst.
Biodegrading process: in initial concentration is 10.0mg/L parathion-methyl solution 25mL, adds catalyst, in microwave
1-7min is irradiated under 150-750W.The consumption of catalyst is 0.1-0.8g/L.
(1) catalyst amounts impact on parathion-methyl degradation rate
Irradiate 2.0min under microwave 450W, only change catalyst amounts.The results are shown in Table 5.
The impact on parathion-methyl degradation rate of table 5 catalyst amounts
From table 5, under microwave irradiation, clearance and Fe3O4/ CNTs dosage positive correlation.For Fe3O4/CNTs/
MW system, increase dosage to 0.2g/L, it is particularly significant that clearance increases effect.Higher dosage, the increase ratio of degradation rate
Rate defines a less gradient.It is 0.8g/L at dosage, during irradiation time 2.0min, is almost completely degraded.
(2) microwave power impact on parathion-methyl degradation rate
Changing microwave power, irradiate 2.0min, catalyst amounts is 0.4g/L.The results are shown in Table 6.
The impact on parathion-methyl degradation rate of table 6 microwave power
From table 6, degradation rate is proportionate with microwave (MW) power and is.Show higher microwave power, it is possible to obtain
High MW exposure rate, causes Fe3O4More MW, therefore, within the unit interval, more Organic substances can be absorbed in/CNTs unit are
Can be degraded.And, at microwave power 750W, during microwave irradiating time 2.0min, parathion-methyl degradation rate is
86.32%.
(3) impact of degradation time
Changing degradation time, microwave power 450W, catalyst amounts is 0.4g/L.The results are shown in Table 7.
The impact on parathion-methyl degradation rate of the table 7 microwave degradation time
Embodiment 3 contrast experiment
Prepared by coprecipitation: the CNT CNTs ultrasonic disperse of 0.4g purification in 15mL deionized water, ultrasonic place
Reason 10min, forms stable suspension.By a certain amount of Fe (NO3)3·9H2O (M=404.02) doses in mixed solution, super
Sonication 15min.The pH adding NaAc regulation solution is 5.0, ultrasonic 10min, and warming while stirring to 95 DEG C maintains 60min.
Mixed liquor is filtered, is washed with deionized for several times, 180 DEG C of baking ovens are dried 2h.Take out rear 250 DEG C of calcining 6h, cold after taking-up
But, grind.
Prepared by hydro-thermal method: the CNT CNTs ultrasonic disperse of 0.4g purification in 15mL deionized water, supersound process
10min.By a certain amount of Fe (NO3)3·9H2O (M=404.02) doses in mixed solution, and supersound process 15min.Add
The pH of NaAc regulation solution is 5.0, ultrasonic 10min.Said mixture is transferred in politef hydrothermal reaction kettle, airtight after
It is put in baking oven.12h is kept at 180 DEG C.After taking-up reactor is cooled to room temperature, filter, and with deionized water rinsing for several times,
180 DEG C of baking ovens are dried 2h.
Microwave-hydrothermal method: by the CNT CNTs ultrasonic disperse of purification in deionized water, supersound process 15min, will
A certain amount of Fe (NO3)3·9H2O doses in mixed solution, and supersound process 20min, and the pH adding NaAc regulation solution is
5.0, ultrasonic 15min, then join mixed liquor in politef autoclave, airtight is placed on microwave dissolver
In, in pressure 1.5MPa, microwave 300W, at temperature 210 DEG C, microwave irradiation 30min, take out reactor, be cooled to room temperature, take out
Mixed liquor, filters, and solids is washed with deionized, and is dried, obtains Fe in 180 DEG C of baking ovens3O4Content is 5.8% (wt%)
Fe3O4Load carbon nanotube particle Fe3O4/ CNTs catalyst.
Biodegrading process: in the water of the diuron (=42.9 μm ol/L) containing initial concentration 10mg/L, adds catalyst,
The addition of catalyst is 0.75g/L, irradiates 3.0min, result such as table 8 under microwave 450W.
Table 8Fe3O4/ CNTs/MW system degraded diuron compares
| Preparation method | Microwave-hydrothermal method | Coprecipitation | Hydro-thermal method |
| Diuron degradation rate % | 100 | 91.95 | 82 |
Claims (6)
1. one kind based on Fe3O4/ CNTs works in coordination with the method for microwave degradation organic agricultural chemicals, it is characterised in that: in containing organic agricultural chemicals
In water, add catalyst, under microwave 150-750W, irradiate 1-7min；Described catalyst is Fe3O4Load carbon nanotube
Particle Fe3O4/CNTs。
One the most according to claim 1 is based on Fe3O4/ CNTs works in coordination with the method for microwave degradation organic agricultural chemicals, and its feature exists
In: described organic agricultural chemicals is diuron or parathion-methyl.
One the most according to claim 1 is based on Fe3O4/ CNTs works in coordination with the method for microwave degradation organic agricultural chemicals, and its feature exists
In: the initial concentration of regulation organic agricultural chemicals is 5.0-25.0mg/L, and microwave power is 450W.
One the most according to claim 3 is based on Fe3O4/ CNTs works in coordination with the method for microwave degradation organic agricultural chemicals, and its feature exists
In: the consumption of described catalyst is 0.1-0.8g/L.
5. according to the arbitrary described one of claim 1-4 based on Fe3O4/ CNTs works in coordination with the method for microwave degradation organic agricultural chemicals, its
It is characterised by: described catalyst Fe3O4Load carbon nanotube particle Fe3O4The preparation method of/CNTs is as follows: by purification
CNT CNTs ultrasonic disperse in deionized water, supersound process 10-15min, by a certain amount of Fe (NO3)3·9H2O doses
In mixed solution, and supersound process 15-20min, the pH adding NaAc regulation solution is 2.5 6.0, ultrasonic 10-15min, so
After mixed liquor is joined in politef autoclave, airtight be placed in microwave dissolver, in pressure 0.5-
1.5MPa, microwave 100-300W, at temperature 150-210 DEG C, microwave irradiation 10-40min, takes out reactor, is cooled to room temperature, takes
Going out mixed liquor, filter, solids is washed with deionized, and is dried in 180 DEG C of baking ovens.
One the most according to claim 5 is based on Fe3O4/ CNTs works in coordination with the method for microwave degradation organic agricultural chemicals, and its feature exists
In: described catalyst Fe3O4Load carbon nanotube particle Fe3O4/ CNTs, by weight percentage, Fe3O4For 2.5-
24%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610417539.6A CN106006826A (en) | 2016-06-14 | 2016-06-14 | Fe3O4/CNTs-based synergic microwave organic pesticide degradation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610417539.6A CN106006826A (en) | 2016-06-14 | 2016-06-14 | Fe3O4/CNTs-based synergic microwave organic pesticide degradation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106006826A true CN106006826A (en) | 2016-10-12 |
Family
ID=57087398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610417539.6A Pending CN106006826A (en) | 2016-06-14 | 2016-06-14 | Fe3O4/CNTs-based synergic microwave organic pesticide degradation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106006826A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176411A (en) * | 2017-12-21 | 2018-06-19 | 华北电力大学 | The preparation method and application of ferroso-ferric oxide@cyclodextrin/carbon mano-tube composite of tetrabromobisphenol A in a kind of concerted catalysis water |
| CN108641721A (en) * | 2018-03-14 | 2018-10-12 | 江苏大学 | One kind being based on mesoporous Fe3O4The preparation method and applications of the polycyclic aromatic hydrocarbon pollution repair materials of/carbon composite |
| CN109107589A (en) * | 2018-09-14 | 2019-01-01 | 华北电力大学 | A kind of method and application preparing mesoporous sulfur modification ferroferric oxide/carbon nanotube complex |
| CN110250397A (en) * | 2019-06-06 | 2019-09-20 | 广西科学院 | A method of utilizing microwave degradation pesticide residue |
| CN111939871A (en) * | 2020-08-07 | 2020-11-17 | 安徽冯了性中药材饮片有限公司 | Method for removing organic phosphide in pesticide residue cleaning of traditional Chinese medicinal materials |
| CN113880198A (en) * | 2021-11-25 | 2022-01-04 | 南京环保产业创新中心有限公司 | Based on Co3O4/Fe3O4Nitrate-containing nitrogen wastewater treatment method of/CNTs composite dispersed electrode |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104383930A (en) * | 2014-11-25 | 2015-03-04 | 辽宁大学 | Zinc ferrite-loaded carbon nano tube catalyst prepared by microwave-hydrothermal method and application of catalyst in degrading organic pollutants in water |
| CN104445506A (en) * | 2014-11-25 | 2015-03-25 | 辽宁大学 | Method for inducing multi-walled carbon nano-tubes to catalyze degradation of organic pollutant in water by microwaves |
-
2016
- 2016-06-14 CN CN201610417539.6A patent/CN106006826A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104383930A (en) * | 2014-11-25 | 2015-03-04 | 辽宁大学 | Zinc ferrite-loaded carbon nano tube catalyst prepared by microwave-hydrothermal method and application of catalyst in degrading organic pollutants in water |
| CN104445506A (en) * | 2014-11-25 | 2015-03-25 | 辽宁大学 | Method for inducing multi-walled carbon nano-tubes to catalyze degradation of organic pollutant in water by microwaves |
Non-Patent Citations (1)
| Title |
|---|
| 赵纯颖等: "磁性纳米Fe3O4/CNTs复合微粒的制备及应用进展", 《粘接》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176411A (en) * | 2017-12-21 | 2018-06-19 | 华北电力大学 | The preparation method and application of ferroso-ferric oxide@cyclodextrin/carbon mano-tube composite of tetrabromobisphenol A in a kind of concerted catalysis water |
| CN108176411B (en) * | 2017-12-21 | 2020-09-08 | 华北电力大学 | Preparation method and application of ferroferric oxide @ cyclodextrin/carbon nano tube compound for synergistically catalyzing tetrabromobisphenol A in water |
| CN108641721A (en) * | 2018-03-14 | 2018-10-12 | 江苏大学 | One kind being based on mesoporous Fe3O4The preparation method and applications of the polycyclic aromatic hydrocarbon pollution repair materials of/carbon composite |
| CN109107589A (en) * | 2018-09-14 | 2019-01-01 | 华北电力大学 | A kind of method and application preparing mesoporous sulfur modification ferroferric oxide/carbon nanotube complex |
| CN110250397A (en) * | 2019-06-06 | 2019-09-20 | 广西科学院 | A method of utilizing microwave degradation pesticide residue |
| CN111939871A (en) * | 2020-08-07 | 2020-11-17 | 安徽冯了性中药材饮片有限公司 | Method for removing organic phosphide in pesticide residue cleaning of traditional Chinese medicinal materials |
| CN111939871B (en) * | 2020-08-07 | 2023-02-17 | 安徽冯了性中药材饮片有限公司 | Method for removing organic phosphide in pesticide residue cleaning of traditional Chinese medicinal materials |
| CN113880198A (en) * | 2021-11-25 | 2022-01-04 | 南京环保产业创新中心有限公司 | Based on Co3O4/Fe3O4Nitrate-containing nitrogen wastewater treatment method of/CNTs composite dispersed electrode |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106006826A (en) | Fe3O4/CNTs-based synergic microwave organic pesticide degradation method | |
| Liang et al. | A review: Application of tourmaline in environmental fields | |
| CN104383930A (en) | Zinc ferrite-loaded carbon nano tube catalyst prepared by microwave-hydrothermal method and application of catalyst in degrading organic pollutants in water | |
| CN108479811B (en) | Z-shaped acoustic catalyst for degrading antibiotic wastewater and preparation method and application thereof | |
| CN110156120B (en) | Sewage treatment device and treatment method | |
| CN104190422B (en) | Heterogeneous light fenton catalyst and application thereof | |
| CN105854865B (en) | A kind of three-dimensional porous structure graphene-ceria composites photochemical catalyst | |
| CN106881111A (en) | Composite bismuth vanadium photocatalyst of cuprous oxide and silver-colored mutual load and its preparation method and application | |
| CN106892481A (en) | Magnetic coupling algicide and its application method | |
| CN105749894A (en) | Preparation method of three-dimensional graphene-titanium dioxide compound photocatalyst | |
| CN107890877A (en) | A kind of Bi3O4Cl/CdS composites and preparation method and purposes | |
| CN112919576A (en) | Method for removing antibiotics in wastewater by using biochar loaded bimetal to promote ionizing irradiation | |
| CN107597143A (en) | A kind of metal nanoparticle is uniformly embedded into the controllable method for preparing of the elctro-catalyst of mesoporous carbon spheres internal structure | |
| CN106984272A (en) | A kind of preparation method of magnetic active carbon adsorbent for water process | |
| CN105148835B (en) | Granular pattern 13X molecular sieves/attapulgite loaded Nanoscale Iron nickel material and preparation method thereof | |
| CN108837851B (en) | Nano TiO for efficiently adsorbing-reducing highly toxic hexavalent chromium ions2Pre-radiation grafting synthesis method of base photocatalyst | |
| CN107876006A (en) | A kind of preparation method and applications of carbon nano-fiber hydrotalcite composite material adsorbent | |
| WO2021169079A1 (en) | Catalyst capable of removing both cos and h2s in waste gasification and method for preparing catalyst | |
| CN108514870A (en) | Hydrotalcite-poly m-phenylene diamine composite material and preparation method and application | |
| CN110064369A (en) | A kind of preparation method and applications of charcoal supported nano-gold metal particles | |
| Rani et al. | Chicken egg shell waste derived calcium oxide based nanohybrid for rapid removal of heavy metal ions from water: green synthesis, kinetics and reusability | |
| CN110180556A (en) | A kind of four vanadic sulfide fenton catalyst of modification and its preparation method and application | |
| CN104525227B (en) | Preparation method for environment-friendly advanced water treatment agent by combining carbon nano tube and Ag/BiOX | |
| CN108940349A (en) | The method of carbonitride Z-type photochemical catalyst removal dyestuff contaminant is mixed using siliver chromate/sulphur | |
| CN104437639B (en) | A kind of CNT is combined the preparation method of tetrasulfonic acid iron-phthalocyanine green deep water treatment agent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |
|
| RJ01 | Rejection of invention patent application after publication |