CN109701578A - A kind of preparation method and applications of copper aluminium houghite/nitrating carbon fiber composite catalyst - Google Patents
A kind of preparation method and applications of copper aluminium houghite/nitrating carbon fiber composite catalyst Download PDFInfo
- Publication number
- CN109701578A CN109701578A CN201910040587.1A CN201910040587A CN109701578A CN 109701578 A CN109701578 A CN 109701578A CN 201910040587 A CN201910040587 A CN 201910040587A CN 109701578 A CN109701578 A CN 109701578A
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- preparation
- copper aluminium
- composite catalyst
- houghite
- 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
Abstract
A kind of preparation method and applications of copper aluminium houghite/nitrating carbon fiber composite catalyst, belong to chemical material technical field, the material of the modified electrode of existing electro-catalytic oxidation technology degrading phenol pollutant can be solved the problems, such as noble metal is at high cost and is unfavorable for popularization and houghite poorly conductive, it is mixed by the metal oxide of nitrating carbon fiber and copper aluminium, the preparation method of catalyst includes: to provide the carbon fiber of activation；Nitrogen substance is added to be doped；Copper aluminum salt solution and alkaline solution are provided；The nitrating carbon fiber is dispersed in water, and adds the copper aluminum salt solution and alkaline solution is co-precipitated to obtain presoma simultaneously thereto；The presoma is heat-treated to obtain required catalyst.The preparation method preparation cost of the catalyst is low, is suitble to industrialized production；Obtained catalyst handles Phenol for Waste Water pollutant particularly suitable for Electrocatalytic Oxidation, and removal efficiency is high.
Description
Technical field
The invention belongs to chemical material technical fields, and in particular to a kind of copper aluminium houghite/nitrating carbon fiber is compound is urged
The preparation method and applications of agent.
Background technique
Phenolic substances is one of the major pollutants in coking wastewater.Coal chemical enterprise sewage discharge is required with country
It improves, biodegradable processing is generallyd use to the processing of coking wastewater at present, but the indexs such as the COD being discharged and coloration can not still reach
To national emission standard, therefore advanced treating need to be carried out.The common method of the advanced treating of coking wastewater has Ozonation, wadding
Solidifying method, Electrocatalytic Oxidation etc..Wherein, the biodegradability of Ozonation processed waste water is poor；Flocculence have dosage it is big,
The big disadvantage of sludge output, thus economic cost is higher.Electrocatalytic Oxidation has the advantages that treatment effeciency is high and without secondary pollution,
For phenol organic matters difficult to degrade a large amount of in coking wastewater, there is preferable treatment effect.Utilize the good catalysis of inert anode
Oxidisability can direct degradation of contaminant, or by generate have strong oxidizing property active material (such as hydroxyl radical free radical) can be by phenol
Class organic pollutant degradation is small molecule compound.In addition, a large amount of inorganic salts dissolved in coking wastewater can be used as electrocatalytic oxidation
Electrolyte needed for change method keeps treatment process easily operated, low in cost.
Bimetallic Ni-Ru deposit is carried on graphite electrode by Rahim etc., it is found that the electrode is to benzene in alkaline solution
The degradation of phenol has significant catalytic oxidative.The degradation of phenol occurs on Ni, and the degradation of intermediate product occurs on Ru.
Dai etc. is used with β-PbO2For the degradation rule of the wet oxidation architectural study nitrophenol of anode, the results showed that near anode
Nitrobenzene thoroughly degrade, nearby the BOD/COD index of solution is significantly improved cathode.The studies above result reflects electro-catalysis
Oxidation technology is to the high efficiency of degrading phenol pollutant, but also indicating that the material of modified electrode is selected in research at present is mostly Ru, Pd
Equal precious metal materials are unfavorable for reducing the processing cost of coking wastewater and the application of electro-catalytic oxidation technology.
CN201110008900 is disclosed to be modified magnalium binary houghite as bisphenol-A in precursor preparation adsorption treatment water body
Catalyst.The catalyst solves in the prior art using in the adsorbents adsorption treatment waste water such as active charcoal, macroporous absorbent resin
Bisphenol-A there are technical problems such as adsorbent reactivation difficulty, cost height, have the advantages that renewable, cost is low etc..
Houghite (HTLCs) is a kind of layered anionic clay class compound with microcellular structure, in catalysis, is inhaled
The fields such as attached, environment, medicine, nano material, functional polymer material are in widespread attention.In recent years, before being with houghite
The method that body prepares efficient nano catalyst is driven to be answered extensively in terms of base catalysis, redox reaction and hydrogenation reaction
With.Houghite is used to have surface metal Elemental redistribution uniform as the catalyst of precursor preparation, catalytic activity is high, anti-burning
The strong advantage of knot ability.Houghite is carried on treatment of electrode surfaces coking wastewater, it can be achieved that Phenol for Waste Water pollutant exists
The enrichment of electrode surface and efficient oxidation degradation.However, houghite compound has that electric conductivity is poor.
Summary of the invention
The present invention for existing electro-catalytic oxidation technology degrading phenol pollutant modified electrode material be noble metal at
This height and be unfavorable for promoting and the problem of houghite poorly conductive, it is multiple to provide a kind of copper aluminium houghite/nitrating carbon fiber
Close the preparation method and applications of catalyst.
The present invention adopts the following technical scheme:
A kind of preparation method of copper aluminium houghite/nitrating carbon fiber composite catalyst, includes the following steps:
The first step, the preparation of N doping activated carbon fiber: carbon fiber being placed in the concentrated nitric acid solution that concentration is 98% and is acidified 3h,
Nitrogenous material is added, after stirring 1 ~ 3h, the HCl solution of the 1mol/L of the ammonium persulfate dissolved with equimolar quality is slowly added dropwise,
3 ~ 6h is reacted, is filtered, the HCl solution washing through 0.1mol/L is dry, obtains N doping activated carbon fiber；
Second step, the preparation of mixing salt solution: copper nitrate and aluminum nitrate are dissolved in distilled water in proportion, obtain the mixing of copper aluminium
Salting liquid；
The preparation of presoma: third step to equipped in N doping activated carbon fiber, while adding copper aluminium mixing salt solution and precipitating
Agent carries out system under conditions of 4 ~ 7 pH, obtains suspension, by suspension at 90 ~ 120 DEG C crystallization 2 in water heating kettle ~
After 5h, then suction filtration is washed to neutrality, dry 10 ~ 12h in vacuum oven, obtains presoma at 80 ~ 100 DEG C；
4th step, copper aluminium houghite/nitrating carbon fiber composite catalyst preparation: by presoma 200 ~ 400 in tube furnace
2 ~ 5h is roasted at DEG C, obtains copper aluminium houghite/nitrating carbon fiber composite catalyst.
Further, the carbon content of carbon fiber described in the first step is greater than 99%.
Further, nitrogenous material described in the first step includes ethylenediamine, melamine, dimethylformamide, dicyan two
Any one in amine and m-phenylene diamine (MPD).
Further, dissolved with the volume of the HCl solution of the 1mol/L of the ammonium persulfate of equimolar quality described in the first step
Mass ratio with carbon fiber is 40 ~ 60mL:1 ~ 2.5g.
Further, precipitating reagent described in third step includes the NaOH and Na that molar ratio is 2:12CO3。
Further, the carbon fiber, nitrogenous material, aluminium in copper and copper aluminium mixing salt solution in copper aluminium mixing salt solution
Molar ratio is 0.5 ~ 2:1 ~ 4:0.1 ~ 4:0.5 ~ 2.
A kind of copper aluminium houghite/nitrating carbon fiber composite catalyst is applied to processing Phenol for Waste Water pollutant.
It disperses copper aluminium houghite/nitrating carbon fiber composite catalyst in distilled water, is applied to glass electrode surface,
Room temperature naturally dry is adsorbed, in timing sampling as working electrode, oxygen as oxidant during electrocatalytic oxidation
Measure the content of phenolic substances.
Phenolic comp ' ds pollution in waste water includes phenol, metacresol, m-Chlorophenol, 2,4,6- trichlorophenols, pentachlorophenol and to nitro
Phenol.
Beneficial effects of the present invention are as follows:
Copper aluminium houghite is formed composite catalyst in conjunction with carbon fiber can promote electronics in phenolic substances catalytic oxidation process
Migration, to further increase the electrocatalytic oxidation of copper aluminium houghite.
The reunion of nanoparticle in catalyst can be effectively relieved in nitrogen-doped carbon material, and due to its good conduction
Property, to improve electron-transport efficiency.With nitrogen-doped carbon material and the compound conduction that catalyst not only can be improved of houghite
Property and be conducive to the dispersion of active component, there is remarkable effect to the raising of catalyst activity.
The preparation method of catalyst provided by the present invention, firstly, it uses copper aluminum salt solution and nitrating activated carbon fiber
For raw material, preparation cost is low, is suitble to industrialized production；Secondly, obtained catalyst is particularly suitable for electro-catalysis at room temperature
Phenolic comp ' ds pollution in sewage oxidation treatment, removal efficiency get 90% or more.
Detailed description of the invention
Fig. 1 is that composite catalyst prepared by the embodiment of the present invention 1 removes the removal efficiency of phenol in wastewater at any time
Variation diagram；
Fig. 2 is that the removal efficiency of cresols in the composite catalyst removal waste water of the preparation of the embodiment of the present invention 2 changes with time
Figure；
Fig. 3 is that composite catalyst prepared by the embodiment of the present invention 3 removes the change of the removal efficiency of pentachlorophenol in waste water at any time
Change figure；
Fig. 4 is that composite catalyst prepared by the embodiment of the present invention 4 removes the change of the removal efficiency of nitrophenols in waste water at any time
Change figure.
Specific embodiment
Embodiment 1
Weigh 1g carbon fiber, be acidified 3h by nitric acid solution, add 2g ethylenediamine, after stirring 1h, be slowly added dropwise 50mL dissolved with
The HCl solution of the 1mol/L of equimolar ammonium persulfate reacts 3 h.After product filters, the HCl through 0.1 mol/L is washed, is dry
It is dry.
Weigh 8.54gCu (NO3)2•6H2O and 34.06gAl (NO3)3•9H2O is dissolved in 20mL distilled water, obtains salt-mixture
The molar ratio of solution, copper and aluminium is 0.5.Molar ratio is the NaOH and Na of 2:12CO3Mixing is used as precipitating reagent.
Into the activated carbon fiber equipped with N doping, while adding the copper aluminium mixing salt solution and alkaline solution precipitating reagent
It is co-precipitated to obtain suspension, controlling pH value of solution in the process is 4.5.
By suspension at 90 DEG C crystallization 2 hours in water heating kettle.
The washing of crystallization product is filtered to neutrality, dry 11h, obtains presoma at 80 DEG C.
Presoma is obtained into copper aluminium houghite/nitrating carbon fiber composite catalyzing as roasting 3h in tube furnace 200 DEG C
Agent CuO/Al2O3/N-ACF。
Composite catalyst is placed in waste water and adsorbs 180min, phenol in wastewater removal efficiency is shown in Fig. 1.
Embodiment 2
1.8g carbon fiber is weighed, 3h is acidified by nitric acid solution, adds 2.5g melamine, after stirring 1h, be slowly added dropwise
50mL reacts 4 h dissolved with the HCl solution of the 1mol/L of equimolar ammonium persulfate.After product filters, the HCl through 0.1 mol/L
Washing, drying.
Weigh 6.27gCu (NO3)2•6H2O and 12.57gAl (NO3)3•9H2O is dissolved in 20mL distilled water, obtains salt-mixture
The molar ratio of solution, copper and aluminium is 1.It is the NaOH and Na of 2:1 with molar ratio2CO3Mixing is used as precipitating reagent.
Into the activated carbon fiber equipped with N doping, while adding the copper aluminium mixing salt solution and alkaline solution precipitating reagent
It is co-precipitated to obtain suspension, controlling pH value of solution in the process is 5.
By suspension at 110 DEG C crystallization 3 hours in water heating kettle.
The washing of crystallization product is filtered to neutrality, dry 10h, obtains presoma at 90 DEG C.
Presoma is obtained into copper aluminium houghite/nitrating carbon fiber composite catalyzing as roasting 2h in tube furnace 300 DEG C
Agent CuO/Al2O3/N-ACF。
Composite catalyst is placed in waste water and adsorbs 180min, metacresol removal efficiency is shown in Fig. 2 in waste water.
Embodiment 3
2g carbon fiber is weighed, 3h is acidified by nitric acid solution, adds 3g dicyanodiamine, after stirring 3h, it is molten that 50mL is slowly added dropwise
There is the HCl solution of the 1mol/L of equimolar ammonium persulfate, reacts 5 h.After product filters, the HCl through 0.1 mol/L is washed, is dry
It is dry.
Weigh 10.14gCu (NO3)2•6H2O and 10.16gAl (NO3)3•9H2O is dissolved in 20mL distilled water, obtains salt-mixture
The molar ratio of solution, copper and aluminium is 2.It is the NaOH and Na of 2:1 with molar ratio2CO3Mixing is used as precipitating reagent.
Into the activated carbon fiber equipped with N doping, while adding the copper aluminium mixing salt solution and alkaline solution precipitating reagent
It is co-precipitated to obtain suspension, controlling pH value of solution in the process is 5.5.
By suspension at 120 DEG C crystallization 4 hours in water heating kettle.
The washing of crystallization product is filtered to neutrality, dry 12h, obtains presoma at 80 DEG C.
Presoma is obtained into copper aluminium houghite/nitrating carbon fiber composite catalyzing as roasting 2h in tube furnace 400 DEG C
Agent CuO/Al2O3/N-ACF。
Composite catalyst is placed in waste water and adsorbs 180min, pentachlorophenol removal efficiency is shown in Fig. 3 in waste water.
Embodiment 4
2.5g carbon fiber is weighed, 3h is acidified by nitric acid solution, adds 3g m-phenylene diamine (MPD), after stirring 2h, 50mL is slowly added dropwise
Dissolved with the HCl solution of the 1mol/L of equimolar ammonium persulfate, 6 h are reacted.After product filters, through 0.1 mol/LHCl washing, do
It is dry.
Weigh 12.41gCu (NO3)2•6H2O and 8.29gAl (NO3)3•9H2O is dissolved in 20mL distilled water, obtains salt-mixture
The molar ratio of solution, copper and aluminium is 3.It is the NaOH and Na of 2:1 with molar ratio2CO3Mixing is used as precipitating reagent.
Into the activated carbon fiber equipped with N doping, while adding the copper aluminium mixing salt solution and alkaline solution precipitating reagent
It is co-precipitated to obtain suspension, controlling pH value of solution in the process is 6.
By suspension at 110 DEG C crystallization 5 hours in water heating kettle.
The washing of crystallization product is filtered to neutrality, dry 10h, obtains presoma at 80 DEG C.
Presoma is obtained into copper aluminium houghite/nitrating carbon fiber composite catalyzing as roasting 3h in tube furnace 300 DEG C
Agent CuO/Al2O3/N-ACF。
Composite catalyst is placed in waste water and adsorbs 180min, paranitrophenol removal efficiency is shown in Fig. 4 in waste water.
Claims (7)
1. a kind of copper aluminium houghite/nitrating carbon fiber composite catalyst preparation method, it is characterised in that: including walking as follows
It is rapid:
The first step, the preparation of N doping activated carbon fiber: carbon fiber being placed in the concentrated nitric acid solution that concentration is 98% and is acidified 3h,
Nitrogenous material is added, after stirring 1 ~ 3h, the HCl solution of the 1mol/L of the ammonium persulfate dissolved with equimolar quality is slowly added dropwise,
3 ~ 6h is reacted, is filtered, the HCl solution washing through 0.1mol/L is dry, obtains N doping activated carbon fiber；
Second step, the preparation of mixing salt solution: copper nitrate and aluminum nitrate are dissolved in distilled water in proportion, obtain the mixing of copper aluminium
Salting liquid；
The preparation of presoma: third step to equipped in N doping activated carbon fiber, while adding copper aluminium mixing salt solution and precipitating
Agent carries out system under conditions of 4 ~ 7 pH, obtains suspension, by suspension at 90 ~ 120 DEG C crystallization 2 in water heating kettle ~
After 5h, then suction filtration is washed to neutrality, dry 10 ~ 12h in vacuum oven, obtains presoma at 80 ~ 100 DEG C；
4th step, copper aluminium houghite/nitrating carbon fiber composite catalyst preparation: by presoma 200 ~ 400 in tube furnace
2 ~ 5h is roasted at DEG C, obtains copper aluminium houghite/nitrating carbon fiber composite catalyst.
2. a kind of preparation method of copper aluminium houghite/nitrating carbon fiber composite catalyst according to claim 1, special
Sign is: the carbon content of carbon fiber described in the first step is greater than 99%.
3. a kind of preparation method of copper aluminium houghite/nitrating carbon fiber composite catalyst according to claim 1, special
Sign is: nitrogenous material described in the first step includes ethylenediamine, melamine, dimethylformamide, dicyanodiamine and isophthalic two
Any one in amine.
4. a kind of preparation method of copper aluminium houghite/nitrating carbon fiber composite catalyst according to claim 1, special
Sign is: dissolved with the volume of the HCl solution of the 1mol/L of the ammonium persulfate of equimolar quality and carbon fiber described in the first step
Mass ratio is 40 ~ 60mL:1 ~ 2.5g.
5. a kind of preparation method of copper aluminium houghite/nitrating carbon fiber composite catalyst according to claim 1, special
Sign is: precipitating reagent described in third step includes the NaOH and Na that molar ratio is 2:12CO3。
6. a kind of preparation method of copper aluminium houghite/nitrating carbon fiber composite catalyst according to claim 1, special
Sign is: the carbon fiber, nitrogenous material, the molar ratio of aluminium is in copper and copper aluminium mixing salt solution in copper aluminium mixing salt solution
0.5~2:1~4:0.1~4:0.5~2。
7. a kind of copper aluminium houghite/nitrating carbon fiber composite catalyst as described in claim 1 ~ 6 any one is applied to
Handle Phenol for Waste Water pollutant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040587.1A CN109701578A (en) | 2019-01-16 | 2019-01-16 | A kind of preparation method and applications of copper aluminium houghite/nitrating carbon fiber composite catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040587.1A CN109701578A (en) | 2019-01-16 | 2019-01-16 | A kind of preparation method and applications of copper aluminium houghite/nitrating carbon fiber composite catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109701578A true CN109701578A (en) | 2019-05-03 |
Family
ID=66261479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910040587.1A Pending CN109701578A (en) | 2019-01-16 | 2019-01-16 | A kind of preparation method and applications of copper aluminium houghite/nitrating carbon fiber composite catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109701578A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110975914A (en) * | 2019-11-29 | 2020-04-10 | 东华大学 | Phosphorus-doped nickel iron oxide nitrogen-doped carbon nanofiber composite material and preparation method and application thereof |
| WO2021104533A1 (en) * | 2019-11-25 | 2021-06-03 | 华南理工大学 | Quenching modification method for improving metal oxide electro-catalytic performance, and prepared metal oxide electro-catalyst and use |
| CN116495944A (en) * | 2023-06-25 | 2023-07-28 | 湖南沁森高科新材料有限公司 | Method and device for treating industrial wastewater in membrane production |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167371A (en) * | 2011-01-11 | 2011-08-31 | 长治学院 | Preparation method of modified magnalium binary hydrotalcites and application of modified magnalium binary hydrotalcites in absorbing bisphenol A in water body |
| CN102826538A (en) * | 2012-09-17 | 2012-12-19 | 辽宁科技大学 | Method for preparing nitrogen-doped carbonaceous material by modifying polymer |
| CN108525638A (en) * | 2018-04-11 | 2018-09-14 | 华东交通大学 | A kind of biomass carbon fiber/layered double hydroxide adsorption and dephosphorization material |
| JP2020127914A (en) * | 2019-02-08 | 2020-08-27 | 栃木県石灰工業協同組合 | Technology of removal of highly concentrated nitrate ion in industrial wastewater using mayenite |
-
2019
- 2019-01-16 CN CN201910040587.1A patent/CN109701578A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167371A (en) * | 2011-01-11 | 2011-08-31 | 长治学院 | Preparation method of modified magnalium binary hydrotalcites and application of modified magnalium binary hydrotalcites in absorbing bisphenol A in water body |
| CN102826538A (en) * | 2012-09-17 | 2012-12-19 | 辽宁科技大学 | Method for preparing nitrogen-doped carbonaceous material by modifying polymer |
| CN108525638A (en) * | 2018-04-11 | 2018-09-14 | 华东交通大学 | A kind of biomass carbon fiber/layered double hydroxide adsorption and dephosphorization material |
| JP2020127914A (en) * | 2019-02-08 | 2020-08-27 | 栃木県石灰工業協同組合 | Technology of removal of highly concentrated nitrate ion in industrial wastewater using mayenite |
Non-Patent Citations (4)
| Title |
|---|
| ZHANG, ZHAOYANG: "Calcined products of Mg–Al layered double hydroxides/single-walled carbon nanotubes nanocomposites for expeditious removal of phenol and 4-chlorophenol from aqueous solutions", 《COLLOIDS AND SURFACES. A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS》 * |
| 张宝艳: "《先进复合材料界面技术》", 31 July 2017, 张宝艳 * |
| 白培锋: "功能化水滑石/碳纳米管复合材料的制备及其电化学分析性能研究", 《中国优秀硕士学位论文全文数据库（工程科技Ⅰ辑）》 * |
| 高滋等: "《固体碱催化》", 31 May 2013, 复旦大学出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021104533A1 (en) * | 2019-11-25 | 2021-06-03 | 华南理工大学 | Quenching modification method for improving metal oxide electro-catalytic performance, and prepared metal oxide electro-catalyst and use |
| CN110975914A (en) * | 2019-11-29 | 2020-04-10 | 东华大学 | Phosphorus-doped nickel iron oxide nitrogen-doped carbon nanofiber composite material and preparation method and application thereof |
| CN110975914B (en) * | 2019-11-29 | 2021-12-10 | 东华大学 | Phosphorus-doped nickel iron oxide nitrogen-doped carbon nanofiber composite material and preparation method and application thereof |
| CN116495944A (en) * | 2023-06-25 | 2023-07-28 | 湖南沁森高科新材料有限公司 | Method and device for treating industrial wastewater in membrane production |
| CN116495944B (en) * | 2023-06-25 | 2023-09-26 | 湖南沁森高科新材料有限公司 | Method and device for treating industrial wastewater in membrane production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhou et al. | Enhanced degradation of triclosan in heterogeneous E-Fenton process with MOF-derived hierarchical Mn/Fe@ PC modified cathode | |
| CN109701578A (en) | A kind of preparation method and applications of copper aluminium houghite/nitrating carbon fiber composite catalyst | |
| CN111437825B (en) | Iron-manganese biochar catalyst and application thereof in conditioning sludge dewatering | |
| US20200165148A1 (en) | A method using photocatalytic electrode coupled with microbial fuel cell to promote treatment of coking wastewater | |
| Hou et al. | Three-dimensional electro-Fenton oxidation of N-heterocyclic compounds with a novel catalytic particle electrode: high activity, wide pH range and catalytic mechanism | |
| CN111389449B (en) | Nitrogen-doped carbon material modified silver phosphate composite photocatalyst and preparation method and application thereof | |
| CN108246334B (en) | Functionalized ternary composite photocatalytic material and preparation method and application thereof | |
| CN109835897B (en) | Metal/heteroatom modified distiller's grain-based activated carbon and preparation method thereof | |
| CN106563504A (en) | Preparation method and application of bimetallic catalyst based on CuBTC-PVP | |
| Li et al. | Ammonia-nitrogen removal from water with gC3N4-rGO-TiO2 Z-scheme system via photocatalytic nitrification-denitrification process | |
| CN103341358A (en) | Catalyst for treating chlorine-containing organic waste water, and preparation method thereof | |
| CN111298821A (en) | Method for preparing novel iron-nitrogen-carbon catalyst by utilizing printing and dyeing wastewater flocculated sludge | |
| Nisha et al. | Cu doped graphitic C3N4 for p-nitrophenol reduction and sensing applications | |
| CN113546626A (en) | Nano zero-valent iron-copper carbon microsphere material and preparation method thereof | |
| CN114669299B (en) | Mesoporous carbon-loaded copper-iron bimetallic catalyst and preparation method and application thereof | |
| CN104261518A (en) | Manganese charcoal catalytic internal electrolysis filler as well as preparation method and application thereof | |
| CN111530464A (en) | Preparation method of three-dimensional graphene zero-valent iron-carrying composite material | |
| Bu et al. | Waste coal cinder catalyst enhanced electrocatalytic oxidation and persulfate advanced oxidation for the degradation of sulfadiazine | |
| CN100460567C (en) | Metal modified active carbon fiber electrode and method for removing nitrate thereby | |
| CN116639789B (en) | Method for removing refractory organic matters in wastewater by catalyzing persulfate through modified biochar catalyst | |
| CN114835201B (en) | Three-dimensional electrocatalytic reaction equipment system based on multifunctional catalytic particle electrode | |
| CN109896574B (en) | Carbon ferrite-titanium oxide multifunctional water purification material and preparation method thereof | |
| Chen et al. | A review of environmental functional materials for cyanide removal by adsorption and catalysis | |
| CN115715980A (en) | Mn 3 O 4 CNTs Fenton catalyst, preparation method and application thereof | |
| CN113522338B (en) | Application of boron-oxygen co-doped carbon nitride non-metallic ozone catalyst |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190503 |
|
| RJ01 | Rejection of invention patent application after publication |