CN109012576A - A kind of preparation method and application loading cuprous oxide particle active carbon - Google Patents

A kind of preparation method and application loading cuprous oxide particle active carbon Download PDF

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Publication number
CN109012576A
CN109012576A CN201810704313.3A CN201810704313A CN109012576A CN 109012576 A CN109012576 A CN 109012576A CN 201810704313 A CN201810704313 A CN 201810704313A CN 109012576 A CN109012576 A CN 109012576A
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active carbon
cuprous oxide
oxide particle
discarded
obtains
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夏洪应
蒋鑫
张利波
彭金辉
王仕兴
刘秉国
许磊
程松
舒建华
陈权
胡文海
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Kunming University of Science and Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/72Copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39Photocatalytic properties
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/281Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/308Dyes; Colorants; Fluorescent agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/36Organic compounds containing halogen
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/38Organic compounds containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/40Organic compounds containing sulfur
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/10Photocatalysts

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
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  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Toxicology (AREA)
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Abstract

The present invention relates to a kind of preparation method and application for loading cuprous oxide particle active carbon, belong to photocatalysis field and technical field of resource comprehensive utilization.Discarded active carbon is placed in the HNO that concentration is the mol/L of 2 mol/L ~ 6 first33 ~ 5h of processing under room temperature in solution obtains pretreated discarded active carbon L after filtering, distillation water washing, drying after the completion of processing;Distilled water is added to discarded active carbon L, ethyl alcohol and diethylene glycol solution is then added, 6 ~ 12 h of stirring obtain mixed liquor A;Configuration concentration is 0.2g/mL copper-bath, and the titrated sulfuric acid copper solution into mixed liquor A obtains mixed liquid B after the completion of titration;Mixed liquid B is placed in the device with reflux condensation mode and handles 6h, then filters and is dried to obtain filtrate;Obtained filtrate is roasted into 20min under the conditions of microwave power is 200 ~ 800W, heating temperature is 300 ~ 500 DEG C, obtains the active carbon of load cuprous oxide particle.The present invention using reflux condensation mode to activated carbon supported, can very fully will be on Metal Supported to active carbon.

Description

A kind of preparation method and application loading cuprous oxide particle active carbon
Technical field
The present invention relates to it is a kind of load cuprous oxide particle active carbon preparation method and application, belong to photocatalysis field and Technical field of resource comprehensive utilization.
Background technique
Photocatalysis oxidation technique is to generate light induced electron and hole to deoxidation using reproducible solar energy vitalizing semiconductor Change or reduction organic matter generates H2O、CO2, inorganic ions, achieve the purpose that permineralization, while having that low energy consumption, easy to operate, The characteristics of can reacting under normal temperature and pressure and avoiding secondary pollution, is concerned in photocatalysis technology field.
In order to improve the absorption property of active carbon, improving has targetedly selective power to pollutant, it is necessary to work Property charcoal it is modified using certain technology.Currently, loaded modified is that metal or compound are attached on activated carbon surface.Oxygen Change cuprous (Cu2O) as a kind of p-type narrow gap semiconductor typically with unique light, magnetism characteristic, convert in solar energy, Electronics, secondary storage device, bio-sensing and catalysis aspect have potential application, have excellent photocatalysis performance, by The extensive concern of domestic and international scientific research circle.The band gap width of cuprous oxide is 2.1eV, and exciton can be transmitted continuously in single crystal, Make its absorptivity with higher, becomes the important materials of production photovoltaic converter.Currently, for the common side of Metal Supported Method has impregnation-calcination method, baking mixed method, admixture activation method, chemical vapor infiltration, sol-gal process etc..However, these are negative The sample dispersion that support method prepares is poor, has great importance so preparing a kind of good material of physical and chemical performance.This Invention is turned waste into wealth using discarded active carbon as catalyst carrier, recycles waste.
Applicant is in the patent application of 107051569 A of CN in patent publication No., discloses a kind of " support type spherical shape The preparation method of active carbon photochemical catalyst ", this method are that spherical activated charcoal is impregnated in the presoma dissolution saturation containing carbon nitrogen source Solvent solution in, obtain roasting raw material, be subsequently placed in tubular type kiln roasting to get to spherical activated charcoal photochemical catalyst.On Invention is stated compared with the present invention, only with simple dipping and roasting in above method preparation process, metal can not be well It is attached on activated carbon surface, and bad dispersibility.
Applicant is in the patent application of 107737596 A of CN in patent publication No., is disclosed " a kind of activated carbon supported Platinum-tungsten catalyst preparation method and application that Cu, Al are modified altogether ", this method are that metatungstic acid is added in active carbon dispersion liquid Ammonium salt solution adds a certain amount of chloroplatinic acid aqueous solution, by a certain percentage addition nitric acid presoma, reacting drying calcining reduction, Obtain catalyst.The higher cost of the platinum and tungsten metal that are used in above-mentioned preparation.
Summary of the invention
For the above-mentioned problems of the prior art and deficiency, the present invention provides a kind of load cuprous oxide particle active carbon Preparation method and application.The present invention using reflux condensation mode to activated carbon supported, can be very fully by Metal Supported to active On charcoal;The present invention reduces preparation cost by supported copper, and is conducive to restore the hole of discarded active carbon by microwave calcining Structure makes active carbon form the load that certain hole defect is conducive to cuprous oxide.The present invention passes through using discarded active carbon as raw material Regeneration duties make active carbon restore absorption property, have reached recycled for multiple times;And photocatalytic degradation, which is utilized, takes it Light source not to the utmost reduces energy output.The invention is realized by the following technical scheme.
A kind of preparation method loading cuprous oxide particle active carbon, the specific steps of which are as follows:
Step 1, first by discarded active carbon according to solid-to-liquid ratio be 1:5 ~ 1:10g/mL be placed in concentration be the mol/L of 2 mol/L ~ 6 HNO33 ~ 5h of processing under room temperature in solution obtains pretreated discarded activity after filtering, distillation water washing, drying after the completion of processing Charcoal;
Step 2, the discarded active carbon for obtaining step 1 are that distilled water is added in 50:500g/mL according to solid-to-liquid ratio, and second is then added Pure and mild diethylene glycol solution, wherein distilled water, ethyl alcohol, diethylene glycol solution volume ratio are 500:300:50, are 160 ~ 280r/ in revolving speed 6 ~ 12h is stirred under the conditions of min, obtains mixed liquor A;
Step 3, configuration concentration are 0.2g/mL copper-bath, are 2 according to mixed liquor A volume ratio in copper-bath and step 2 ~ 8:30 ~ 80 titrated sulfuric acid copper solution into mixed liquor A obtains mixed liquid B after the completion of titration;
Mixed liquid B is placed in the device with reflux condensation mode by step 4, and being heated to temperature is 20 ~ 60 DEG C of processing 6h, is then filtered And it is dried to obtain filtrate;
Step 5 roasts the filtrate that step 4 obtains under the conditions of microwave power is 200 ~ 800W, heating temperature is 300 ~ 500 DEG C 20min is burnt, the active carbon of load cuprous oxide particle is obtained.
It is 120 ~ 200 mesh that active carbon is discarded in the step 1, and iodine sorption value is 354 ~ 573mg/g, and specific surface area is 256m2/g~431m2/g。
A kind of load cuprous oxide particle active carbon, can apply in azo dyes Photocatalytic Degradation Process.
The beneficial effects of the present invention are:
(1) present invention reduces discharge and the environmental pollution of waste, realizes waste using discarded active carbon as raw material Comprehensive utilization of resources.
(2) the method for the present invention is low in cost, pollution-free, and metal can be attached on activated carbon surface well excessively.
(3) present invention uses microwave heating, is heated using the selectivity of microwave, and low energy consumption, and heating speed is fast, and also utilizing can Light-exposed degradation methyl orange dye is conducive to improve industrialized production efficiency and energy output.
Detailed description of the invention
Fig. 1 is the SEM figure for the load cuprous oxide particle active carbon that the embodiment of the present invention 3 is prepared.
Fig. 2 is the EDS figure for the load cuprous oxide particle active carbon that the embodiment of the present invention 3 is prepared.
Fig. 3 is the Raman figure for the load cuprous oxide particle active carbon that the embodiment of the present invention 3 is prepared.
Fig. 4 is that the wavelength for the load cuprous oxide particle active carbon degradation methyl orange that the embodiment of the present invention 3 is prepared becomes Change curve graph.
Fig. 5 is load cuprous oxide active carbon energy photo-catalytic degradation of methyl-orange dyestuff mechanism figure.
Specific embodiment
With reference to the accompanying drawings and detailed description, the invention will be further described.
The active carbon of load cuprous oxide particle in following example is according to GB/T 12496.8-2015 " wooden activity The measurement of charcoal test method iodine sorption value " measurement iodine sorption value, methyl orange azo dyes is chosen as photocatalytic degradation object.
Embodiment 1
The preparation method of the load cuprous oxide particle active carbon, the specific steps of which are as follows:
Step 1, by discarded active carbon, (discarded active carbon is 120 mesh, iodine sorption value 354mg/g, and specific surface area is first 256m2/ g) it according to solid-to-liquid ratio is that be placed in concentration be 2 mol/LHNO to 1:5g/mL33h is handled under room temperature in solution, after the completion of processing Pretreated discarded active carbon is obtained after filtering, distillation water washing, drying;
It is that distilled water is added in 50:500g/mL that step 2, the 50g for obtaining step 1, which discard active carbon according to solid-to-liquid ratio, is then added Ethyl alcohol and diethylene glycol solution, wherein distilled water, ethyl alcohol, diethylene glycol solution volume ratio are 500:300:50, are 160r/ in revolving speed 6h is stirred under the conditions of min, obtains mixed liquor A;
Step 3, configuration concentration are 0.2g/mL copper-bath, are according to copper-bath and mixed liquor A volume ratio in step 2 2:30 titrated sulfuric acid copper solution into mixed liquor A obtains mixed liquid B after the completion of titration;
Mixed liquid B is placed in the device with reflux condensation mode by step 4, and being heated to temperature is 20 DEG C of processing 6h, is then filtered and is done It is dry to obtain filtrate;
The filtrate that step 4 obtains is roasted 20min under the conditions of microwave power is 200W, heating temperature is 500 DEG C by step 5, Obtain the active carbon of load cuprous oxide particle.
The iodine sorption value for the load cuprous oxide active carbon being prepared through above-mentioned steps is 894mg/g, and specific surface area is 692m2/ g has reached 73% to the degradation rate for the methyl orange dye that initial concentration is 100mg/L.
Embodiment 2
The preparation method of the load cuprous oxide particle active carbon, the specific steps of which are as follows:
Step 1, by discarded active carbon, (discarded active carbon is 180 mesh, iodine sorption value 452mg/g, and specific surface area is first 345m2/ g) it according to solid-to-liquid ratio is that be placed in concentration be 6 mol/LHNO to 1:5g/mL34h is handled under room temperature in solution, after the completion of processing Pretreated discarded active carbon is obtained after filtering, distillation water washing, drying;
It is that distilled water is added in 50:500g/mL that step 2, the 50g for obtaining step 1, which discard active carbon according to solid-to-liquid ratio, is then added Ethyl alcohol and diethylene glycol solution, wherein distilled water, ethyl alcohol, diethylene glycol solution volume ratio are 500:300:50, are 200r/ in revolving speed 8h is stirred under the conditions of min, obtains mixed liquor A;
Step 3, configuration concentration are 0.2g/mL copper-bath, are according to copper-bath and mixed liquor A volume ratio in step 2 8:80 titrated sulfuric acid copper solution into mixed liquor A obtains mixed liquid B after the completion of titration;
Mixed liquid B is placed in the device with reflux condensation mode by step 4, and being heated to temperature is 60 DEG C of processing 6h, is then filtered and is done It is dry to obtain filtrate;
The filtrate that step 4 obtains is roasted 20min under the conditions of microwave power is 200W, heating temperature is 400 DEG C by step 5, Obtain the active carbon of load cuprous oxide particle.
The iodine sorption value for the load cuprous oxide active carbon being prepared through above-mentioned steps is 964mg/g, and specific surface area is 784m2/ g has reached 76% to the degradation rate for the methyl orange dye that initial concentration is 100mg/L.
Embodiment 3
The preparation method of the load cuprous oxide particle active carbon, the specific steps of which are as follows:
Step 1, by discarded active carbon, (discarded active carbon is 200 mesh, iodine sorption value 573mg/g, and specific surface area is first 431m2/ g) it according to solid-to-liquid ratio is that be placed in concentration be 4 mol/LHNO to 1:8g/mL35h is handled under room temperature in solution, after the completion of processing Pretreated discarded active carbon is obtained after filtering, distillation water washing, drying;
It is that distilled water is added in 50:500g/mL that step 2, the 50g for obtaining step 1, which discard active carbon according to solid-to-liquid ratio, is then added Ethyl alcohol and diethylene glycol solution, wherein distilled water, ethyl alcohol, diethylene glycol solution volume ratio are 500:300:50, are 250r/ in revolving speed 10h is stirred under the conditions of min, obtains mixed liquor A;
Step 3, configuration concentration are 0.2g/mL copper-bath, are according to copper-bath and mixed liquor A volume ratio in step 2 6:50 titrated sulfuric acid copper solution into mixed liquor A obtains mixed liquid B after the completion of titration;
Mixed liquid B is placed in the device with reflux condensation mode by step 4, and being heated to temperature is 40 DEG C of processing 6h, is then filtered and is done It is dry to obtain filtrate;
The filtrate that step 4 obtains is roasted 20min under the conditions of microwave power is 600W, heating temperature is 500 DEG C by step 5, Obtain the active carbon of load cuprous oxide particle.
The SEM for the load cuprous oxide particle active carbon that the present embodiment is prepared schemes as shown in Figure 1, can from Fig. 1 The active carbon pore structure for the load cuprous oxide particle being prepared out using the method is more obvious, and can be clear on its surface It is seen that there is the cuprous oxide particle of spheroidal clearly, illustrates that regeneration duties effect is good.Fig. 2 is the load cuprous oxide being prepared The EDS of particulate activated carbon schemes, it can be seen that contains Cu element in Activated Carbon with Cu, illustrates that such method successfully loads to copper On active carbon.Fig. 3 is the Raman figure for the load cuprous oxide particle active carbon being prepared, it can be found that about in 1340cm-1 With 1600 cm-1Occur the peak D and the peak G respectively, this is two main peaks of apparent active carbon, and loads the process of cuprous oxide Graphite microcrystalline structure can slightly be destroyed.
The iodine sorption value for the load cuprous oxide active carbon being prepared through above-mentioned steps is 1121 mg/g, specific surface area For 913m2/ g has reached 81% to the degradation rate for the methyl orange dye that initial concentration is 100mg/L.
Fig. 4 is the wavelength change figure for the load cuprous oxide active carbon photo-catalytic degradation of methyl-orange being prepared, from figure As can be seen that preceding 80min wavelength curve variation range is smaller under dark condition, and under the radiation of visible light it is 100min- It when 140min, is considerably reduced much in the absorbance of maximum absorption wave strong point, this explanation is prepared negative with such method Carrying cuprous oxide active carbon can degrade azo dyes.Fig. 5 is the mechanism figure of cuprous oxide photocatalysis azo dyes.It is main anti- Answer equation as follows:
Embodiment 4
The preparation method of the load cuprous oxide particle active carbon, the specific steps of which are as follows:
Step 1, by discarded active carbon, (discarded active carbon is 200 mesh, iodine sorption value 573mg/g, and specific surface area is first 431m2/ g) it according to solid-to-liquid ratio is that be placed in concentration be 4 mol/LHNO to 1:10g/mL35h is handled under room temperature in solution, after the completion of processing Pretreated discarded active carbon is obtained after filtering, distillation water washing, drying;
It is that distilled water is added in 50:500g/mL that step 2, the 50g for obtaining step 1, which discard active carbon according to solid-to-liquid ratio, is then added Ethyl alcohol and diethylene glycol solution, wherein distilled water, ethyl alcohol, diethylene glycol solution volume ratio are 500:300:50, are 280r/ in revolving speed 12h is stirred under the conditions of min, obtains mixed liquor A;
Step 3, configuration concentration are 0.2g/mL copper-bath, are according to copper-bath and mixed liquor A volume ratio in step 2 8:80 titrated sulfuric acid copper solution into mixed liquor A obtains mixed liquid B after the completion of titration;
Mixed liquid B is placed in the device with reflux condensation mode by step 4, and being heated to temperature is 30 DEG C of processing 6h, is then filtered and is done It is dry to obtain filtrate;
The filtrate that step 4 obtains is roasted 20min under the conditions of microwave power is 800W, heating temperature is 300 DEG C by step 5, Obtain the active carbon of load cuprous oxide particle.
The iodine sorption value for the load cuprous oxide active carbon being prepared through above-mentioned steps is 1038mg/g, and specific surface area is 849 m2/ g has reached 78% to the degradation rate for the methyl orange dye that initial concentration is 100mg/L.
In conjunction with attached drawing, the embodiment of the present invention is explained in detail above, but the present invention is not limited to above-mentioned Embodiment within the knowledge of a person skilled in the art can also be before not departing from present inventive concept Put that various changes can be made.

Claims (3)

1. a kind of preparation method for loading cuprous oxide particle active carbon, it is characterised in that specific step is as follows:
Step 1, first by discarded active carbon according to solid-to-liquid ratio be 1:5 ~ 1:10g/mL be placed in concentration be the mol/L of 2 mol/L ~ 6 HNO33 ~ 5h of processing under room temperature in solution obtains pretreated discarded work after filtering, distillation water washing, drying after the completion of processing Property charcoal;
Step 2, the discarded active carbon for obtaining step 1 are that distilled water is added in 50:500g/mL according to solid-to-liquid ratio, and second is then added Pure and mild diethylene glycol solution, wherein distilled water, ethyl alcohol, diethylene glycol solution volume ratio are 500:300:50, are 160 ~ 280r/ in revolving speed 6 ~ 12h is stirred under the conditions of min, obtains mixed liquor A;
Step 3, configuration concentration are 0.2g/mL copper-bath, are 2 according to mixed liquor A volume ratio in copper-bath and step 2 ~ 8:30 ~ 80 titrated sulfuric acid copper solution into mixed liquor A obtains mixed liquid B after the completion of titration;
Mixed liquid B is placed in the device with reflux condensation mode by step 4, and being heated to temperature is 20 ~ 60 DEG C of processing 6h, is then filtered And it is dried to obtain filtrate;
Step 5 roasts the filtrate that step 4 obtains under the conditions of microwave power is 200 ~ 800W, heating temperature is 300 ~ 500 DEG C 20min is burnt, the active carbon of load cuprous oxide particle is obtained.
2. the preparation method of load cuprous oxide particle active carbon according to claim 1, it is characterised in that: the step It is 120 ~ 200 mesh that active carbon is discarded in 1, and iodine sorption value is 354 ~ 573mg/g, specific surface area 256m2/g~431m2/g。
3. it is a kind of according to claim 1 or the 2 load cuprous oxide particle active carbons that are prepared, can apply and be contaminated in azo Expect Photocatalytic Degradation Process.
CN201810704313.3A 2018-07-02 2018-07-02 A kind of preparation method and application loading cuprous oxide particle active carbon Pending CN109012576A (en)

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CN111151295A (en) * 2019-12-31 2020-05-15 华南理工大学 Surface modified composite carbon material for oxidative desulfurization and preparation method thereof
CN113209973A (en) * 2021-04-22 2021-08-06 昆明理工大学 ZnO-Cu2Preparation method and application of O-AC photocatalyst
CN114904483A (en) * 2022-04-18 2022-08-16 东北林业大学 Wood-based carbon/Cu capable of efficiently adsorbing anionic dye 2 Preparation method of O adsorbent

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Publication number Priority date Publication date Assignee Title
CN111151295A (en) * 2019-12-31 2020-05-15 华南理工大学 Surface modified composite carbon material for oxidative desulfurization and preparation method thereof
CN111151295B (en) * 2019-12-31 2021-12-21 华南理工大学 Surface modified composite carbon material for oxidative desulfurization and preparation method thereof
CN113209973A (en) * 2021-04-22 2021-08-06 昆明理工大学 ZnO-Cu2Preparation method and application of O-AC photocatalyst
CN114904483A (en) * 2022-04-18 2022-08-16 东北林业大学 Wood-based carbon/Cu capable of efficiently adsorbing anionic dye 2 Preparation method of O adsorbent
CN114904483B (en) * 2022-04-18 2023-07-07 东北林业大学 Woody carbon/Cu capable of efficiently adsorbing anionic dye 2 Preparation method of O adsorbent

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Application publication date: 20181218