WO2018188345A1 - 用于催化活化过硫酸盐并靶向降解造纸废水中典型污染物的催化材料及其合成方法与应用 - Google Patents
用于催化活化过硫酸盐并靶向降解造纸废水中典型污染物的催化材料及其合成方法与应用 Download PDFInfo
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- WO2018188345A1 WO2018188345A1 PCT/CN2017/112448 CN2017112448W WO2018188345A1 WO 2018188345 A1 WO2018188345 A1 WO 2018188345A1 CN 2017112448 W CN2017112448 W CN 2017112448W WO 2018188345 A1 WO2018188345 A1 WO 2018188345A1
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- persulfate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/1691—Coordination polymers, e.g. metal-organic frameworks [MOF]
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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
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/008—Supramolecular polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/70—Oxidation reactions, e.g. epoxidation, (di)hydroxylation, dehydrogenation and analogues
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/84—Metals of the iron group
- B01J2531/842—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/90—Catalytic systems characterized by the solvent or solvent system used
- B01J2531/96—Water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/22—Organic complexes
- B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
- B01J31/2208—Oxygen, e.g. acetylacetonates
- B01J31/2226—Anionic ligands, i.e. the overall ligand carries at least one formal negative charge
- B01J31/223—At least two oxygen atoms present in one at least bidentate or bridging ligand
- B01J31/2239—Bridging ligands, e.g. OAc in Cr2(OAc)4, Pt4(OAc)8 or dicarboxylate ligands
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
Definitions
- the invention belongs to the technical field of oxidation treatment of organic pollutants in water, and particularly relates to a catalytic material for catalytically activating persulfate and targeted degradation of typical pollutants in papermaking wastewater, and a synthesis method and application thereof.
- Water pollution control is the subject of environmental protection research today. Water pollution is one of the serious crises facing civilization today. Controlling water pollution, especially controlling toxic and harmful organic pollution in water bodies, is the focus and difficulty of water treatment engineering research.
- AOTs Advanced Oxidation Technologies
- PS oxidation technology does not need to produce SO 4 - under acidic conditions of 3 ⁇ 5 to achieve effective degradation of pollutants.
- metal-organic framework as a heterogeneous catalyst to catalyze the production of sulfate ions by persulfate or persulfate overcomes these shortcomings and has the advantages of reusability, high activity and good catalytic effect, which has become a hot research topic for researchers. .
- Metal organic framework materials are a class of crystalline porous materials with regular pore or hole structures obtained by coordination self-assembly of metal nodes and organic ligands.
- the material has a high specific surface area, a rich pore structure and high physicochemical stability, and is easy to load other substances without changing its structure, and the metal organic skeleton contains a large number of unsaturated coordination metal nodes, so that It exhibits excellent performance in terms of catalysis, separation, adsorption, and the like.
- MOFs have made initial progress in the field of AOTs. For example, MIL-88A has been successfully applied to activate PS oxidative degradation dyes Rhodamine B and Golden Orange G (RSC Advances.
- MIL-100 Fe , [Cu 2 (btec)(btx)1.5] n has proven to be a potent Fenton-like catalyst capable of activating H 2 O 2 decomposition to produce OH ⁇ (Journal of Molecular Catalysis A: Chemical. 2015, 400: 81 -89; CrystEngComm.
- a metal-organic framework is used as a precursor to synthesize a catalytic material in a selective degradation papermaking wastewater MIL-88A@MIP
- the catalytic material has high-efficiency catalytic activation of persulfate to produce sulfate radical selective adsorption and degradation of organic pollutants in papermaking wastewater, especially It is a phthalate.
- Catalyst recycling works well, reducing operating costs, and The wide range of pH applications provides a broad application prospect for the treatment of papermaking wastewater.
- the object of the present invention is to solve the problem that the existing ferrous ions, zero-valent iron and the like homogeneous catalysts have ferrous ions in the activated persulfate system, which are easy to be ineffective, cannot be recycled, and produce iron mud.
- Catalytic activation PS Selectively adsorbs heterogeneous catalysts that degrade refractory pollutants in papermaking wastewater.
- the catalyst has the advantages of low dosage, simple equipment, convenient operation, low price and wide application range of pH.
- a method for synthesizing a catalytic material for catalyzing the activation of persulfate and targeted degradation of typical contaminants in papermaking wastewater comprising the following steps:
- the metal organic skeleton is MIL-88A
- the appearance of the MIL-88A is hexagonal rod shape
- the specific surface area is 10 ⁇ 30 m 2 /g
- the catalytic material is prepared by using MIL-88A as a precursor.
- MIL-88A@MIP for degradation of contaminants.
- the method for preparing the metal organic skeleton MIL-88A of the step (1) comprises the following steps:
- the phthalate-based contaminant in the step (1) is one or more of DBP, DMP, and DEP.
- the amount of the phthalate ester contaminant in the step (1) is 0.150 mL to 0.369 mL
- the amount of the acetonitrile is 10.0 mL to 20.0 mL
- the amount of the metal organic skeleton MIL-88A is 0.05 g to 0.2 g.
- the amount of methacrylic acid is 0.7mL ⁇ 1.7mL
- the amount of tetraethyl orthosilicate is 12.75mL ⁇ 22.75mL
- the amount of acetic acid is 0.50mL ⁇ 0.85mL
- the phthalate pollutants are kept: methyl
- the molar ratio of acrylic acid: tetraethyl orthosilicate is 1:40:200, and the remaining parameters are kept within the range.
- the stirring time of the step (1) is 0.5h ⁇ 3h; the heating time of the water bath is 10h ⁇ 20h .
- the drying in the step (2) is carried out in a vacuum drying oven at 60 ° C to 80 ° C for 8 h to 12 h.
- the number of times of the extraction in the step (2) is 6 to 12 times, and the amount of the extracting agent is 100 mL to 250 mL per time.
- the extracting agent of the soda extraction is ethanol/acetic acid, and the volume ratio is 1:9 ⁇ 9:1.
- the catalytic material described above is applied to catalytically activate persulfate and target degradation of typical contaminants in papermaking wastewater.
- the application includes the following steps: The catalytic material MIL-88A@MIP and persulfate are added to the papermaking wastewater of 2 ⁇ 7, and the reaction is carried out in a shaker with a rotation speed of 50-500 rpm at normal temperature for 120 ⁇ 600min. .
- the persulfate is one or more of sodium persulfate, potassium persulfate and ammonium persulfate;
- the phthalate pollutant in the papermaking wastewater is More than one of DMP, DBP, DEP, and DPP.
- the molar ratio of the persulfate to the phthalate pollutant in the papermaking wastewater is 100:1 ⁇ 800:1 Further preferably, it is 200 : 1 to 800 : 1 .
- the catalytic material MIL-88A@MIP is used in an amount of 0.3 g/L to 2 g/L.
- the catalytic material MIL-88A@MIP After repeated recycling, it embodies the maximum catalytic capacity of the catalyst.
- the invention uses a metal organic skeleton MIL-88A as a precursor to synthesize a catalytic material MIL-88A@MIP
- a metal organic skeleton MIL-88A as a precursor to synthesize a catalytic material MIL-88A@MIP
- the contaminants are selectively enriched by pores on the surface of the catalytic material, and then the unsaturated coordination center of the active site of the metal organic skeleton is used, and the catalytic material MIL-88A@ is used under normal temperature conditions.
- MIP Combined with persulfate into the organic wastewater, the catalytic material generates sulfate radicals by catalytically activating persulfate, and then sulfate radicals oxidatively degrade the refractory pollutants in the papermaking wastewater, thereby improving the water quality environment.
- the catalytic material is MIL-88A@MIP is a catalyst with selective degradation of pollutants prepared by molecular imprinting using a metal-organic
- the present invention has the following advantages:
- the present invention provides a catalytic material MIL-88A@MIP
- the preparation method has the advantages of simple operation, mild preparation conditions, strong repeatability and easy realization;
- the catalytic material of the invention has more pore structure and an unsaturated metal active center, and enhances the effect of persulfate to generate sulfate radicals, and the catalyst has good effect on removing pollutants;
- the heterogeneous catalyst of the invention can selectively adsorb and degrade the refractory pollutants in the papermaking wastewater, and is targeted to the target pollutants;
- the catalyst of the invention can be recycled repeatedly, is environmentally friendly, and has no secondary pollution
- the catalyst of the invention is applicable to a wide range of PH;
- the method of the invention does not consume additional energy, such as ultrasound, light, electricity, etc., which reduces the cost
- the process flow is very simple, the operability is strong, the durability is good, the catalytic time is short, and the utility model has broad practical application prospects.
- Figure 1 shows the X-ray crystal diffraction pattern (XRD) of MIL-88A@MIP and MIL-88A.
- Figure 2 shows the scanning electron micrograph (SEM) of MIL-88A@MIP.
- FIG. 3 shows the scanning electron micrograph (SEM) of MIL-88A.
- the invention mainly relates to phthalates in the organic wastewater of the paper industry (DBP ) as a typical pollutant.
- DBP organic wastewater of the paper industry
- a catalytic material synthesized by a molecular imprinting method using a metal organic skeleton MIL-88A as a precursor is synthesized by a molecular imprinting method using a metal organic skeleton MIL-88A as a precursor.
- MIL-88A@MIP is a catalyst to study the adsorption degradation of catalytic materials for DBP.
- reaction vessel After the reaction vessel was cooled, it was taken out, and centrifuged at 9000 rpm for 10 minutes to obtain a pale yellow solid, which was then poured into a beaker, washed with ethanol for 3 hours, centrifuged, and washed with deionized water for 3 hours, and repeated twice. After solid, it was dried in a vacuum oven at 100 ° C for 8 h. The resulting metal organic framework MIL-88A is reserved for use;
- the obtained material is the catalytic material MIL-88A@MIP;
- the preparation method of the metal organic skeleton MIL-88A is the same as the step (1) in the first embodiment;
- Time /min Removal rate /% Processing group 4
- Processing group 5
- Processing group 6
- Processing group 7
- 10.8 15.6 20.3 23.1 60 28.6 29.8 39.7 40.1 120 36.3 43.2 62.0 63.8 180 39.4 47.8 65.8 64.9
- 240 42.3 56.2 66.1 65.7 300
- 49.6 60.0 68.9 69.7 360 53.1 68.3 74.7 76.4 480 60.2 72.4 80.4 81.3
- a catalytic material synthesized by a molecular imprinting method using a metal organic skeleton MIL-88A as a precursor is a catalyst to study the dosage of catalytic material MIL-88A@MIP during the reaction (0.03g, 0.05g, 0.1g, 0.2g). ), the impact on the removal rate of pollutants.
- the preparation method of the metal organic skeleton MIL-88A is the same as the step (1) in the first embodiment;
- Time /min Removal rate /% Processing group 4
- Processing group 5
- Processing group 6
- Processing group 7
- 0 0.0 0.0 0.0 0.0 0.0 30 16.8 20.3 29.8 30.2 60 30.3 39.7 36.7 38.9 120
- 56.4 62.0 63.2 65.1 180
- 60.2 65.8 69.3 69.9 240 63.7 66.1 74.2 75.2
- 300 69.4 68.9 76.9 77.9 360 70.1 74.7 80.1 80.3 480 73.5 80.4 83.2 84.1
- a catalytic material synthesized by a molecular imprinting method using a metal organic skeleton MIL-88A as a precursor is synthesized by a molecular imprinting method using a metal organic skeleton MIL-88A as a precursor.
- MIL-88A@MIP is a catalyst for studying the effect of pH ( 2.68, 3.26, 4.79, 6.94 ) in the reaction system on the removal of contaminant DBP.
- the preparation method of the metal organic skeleton MIL-88A is the same as the step (1) in the first embodiment;
- Time /min Removal rate /% Processing group 4
- Processing group 5
- Processing group 6
- Processing group 7
- 0 0.0 0.0 0.0 0.0 0.0 30 10.1 20.3 8.9 5.1 60 15.6 39.7 10.5 7.3 120 38.7 62.0 12.4 8.9 180 40.9 65.8 13.9
- a catalytic material catalyst synthesized by a molecular imprinting method using a metal organic skeleton MIL-88A as a precursor is used to study a precursor.
- MIL-88A a catalytic material for the synthesis of template-free molecules MIL-88A@NIP and a catalytic material with template molecules involved MIL-88A@MIP for contaminants DBP The effect of the removal.
- the preparation method of the metal organic skeleton MIL-88A is the same as the step (1) in the first embodiment;
- Catalytic material MIL-88A@NIP is prepared as follows: 0.1g MIL-88A is added In 20.0 mL of acetonitrile, add 1.7 mL of methacrylic acid, stir at 500 rpm for 1 h on a magnetic stirrer, then add 22.75 mL of tetraethyl orthosilicate and 0.85 mL.
- Time /min Removal rate /% Processing group ( 5 ) Processing group ( 6 ) Processing group ( 7 ) 0 0.0 0.0 0.0 60 39.7 13.2 3.1 180 65.8 16.7 5.9 300 68.9 21.6 12.5 480 80.4 39.4 17.0
- the precursor metal-organic framework MIL-88A has a certain effect on the removal of DBP, but compared to the catalytic material.
- the effect is weak, and the removal effect of MIL-88A@NIP for DBP is basically small, which indicates that the catalytic material MIL-88A@MIP Can effectively improve the DBP removal rate.
- a catalytic material synthesized by a molecular imprinting method using a metal organic skeleton MIL-88A as a precursor was used as a catalyst to study the removal efficiency of different phthalates (DBP, DEP, DMP) in papermaking wastewater.
- the preparation method of the metal organic skeleton MIL-88A is the same as the step (1) in the first embodiment;
- Time /min Removal rate /% Processing group 4
- Processing group 5
- Processing group 6
- 0 0.0 0.0 0.0 30 20.3 23.2 19.7 60 39.7 40.7 36.2 120 62.0 65.7 59.5
- 240 66.1 69.2 65.9 360 74.7 77.2 70.1 480 80.4 84.5 77.4
- MIL-88A@MIP has a high removal rate of phthalates in papermaking wastewater, and the removal rate DEP > DBP > DMP, which indicates that the catalytic material MIL-88A@MIP is highly feasible and effective in degrading refractory pollutants in papermaking wastewater.
- a catalytic material synthesized by a molecular imprinting method using a metal organic skeleton MIL-88A as a precursor was used as a catalyst to study the effect of catalyst recycling on DBP removal rate.
- the preparation method of the metal organic skeleton MIL-88A is the same as the step (1) in the first embodiment;
- step (4) After the end of step (4), the catalyst in the conical flask is centrifuged at high speed, dried in an oven at 65 °C, and then put into the step ( 4) the same reactor in the system, the other conditions are the same as step (3);
- Figure 1 shows the X-ray crystal diffraction pattern (XRD) of MIL-88A@MIP.
- XRD X-ray crystal diffraction pattern
- Figure 2 and Figure 3 show the scanning electron micrograph (SEM) and MIL-88A of MIL-88A@MIP, respectively. Scanning electron micrograph (SEM).
- SEM scanning electron micrograph
- the surface of Figure 2 and Figure 3 can be seen by comparing the two surfaces. The surface of the catalyst changes greatly. It can be seen that the catalytic material forms a lot of small holes on the surface for adsorbing the pollutant molecules in the process of removing the contaminants, and then the active metal sites in the metal organic framework are used. Pollutants undergo activation degradation and combine with them
- the XRD pattern can be considered to be a successful synthesis of the catalytic material MIL-88A@MIP.
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Abstract
Description
时间( min ) | 去除率( % ) | ||
处理组( 4 ) | 处理组( 5 ) | 处理组( 6 ) | |
0 | 0.0 | 0.0 | 0.0 |
30 | 20.3 | 27.9 | 2.7 |
60 | 39.7 | 34.9 | 5.3 |
120 | 62.0 | 37.7 | 7.4 |
180 | 65.8 | 36.1 | 7.7 |
240 | 66.1 | 34.3 | 6.0 |
300 | 68.9 | 31.3 | 3.3 |
360 | 74.7 | 33.9 | 6.0 |
480 | 80.4 | 33.5 | 3.4 |
时间 /min | 去除率 /% | |||
处理组( 4 ) | 处理组( 5 ) | 处理组( 6 ) | 处理组( 7 ) | |
0 | 0.0 | 0.0 | 0.0 | 0.0 |
30 | 10.8 | 15.6 | 20.3 | 23.1 |
60 | 28.6 | 29.8 | 39.7 | 40.1 |
120 | 36.3 | 43.2 | 62.0 | 63.8 |
180 | 39.4 | 47.8 | 65.8 | 64.9 |
240 | 42.3 | 56.2 | 66.1 | 65.7 |
300 | 49.6 | 60.0 | 68.9 | 69.7 |
360 | 53.1 | 68.3 | 74.7 | 76.4 |
480 | 60.2 | 72.4 | 80.4 | 81.3 |
时间 /min | 去除率 /% | |||
处理组( 4 ) | 处理组( 5 ) | 处理组( 6 ) | 处理组( 7 ) | |
0 | 0.0 | 0.0 | 0.0 | 0.0 |
30 | 16.8 | 20.3 | 29.8 | 30.2 |
60 | 30.3 | 39.7 | 36.7 | 38.9 |
120 | 56.4 | 62.0 | 63.2 | 65.1 |
180 | 60.2 | 65.8 | 69.3 | 69.9 |
240 | 63.7 | 66.1 | 74.2 | 75.2 |
300 | 69.4 | 68.9 | 76.9 | 77.9 |
360 | 70.1 | 74.7 | 80.1 | 80.3 |
480 | 73.5 | 80.4 | 83.2 | 84.1 |
时间 /min | 去除率 /% | |||
处理组( 4 ) | 处理组( 5 ) | 处理组( 6 ) | 处理组( 7 ) | |
0 | 0.0 | 0.0 | 0.0 | 0.0 |
30 | 10.1 | 20.3 | 8.9 | 5.1 |
60 | 15.6 | 39.7 | 10.5 | 7.3 |
120 | 38.7 | 62.0 | 12.4 | 8.9 |
180 | 40.9 | 65.8 | 13.9 | 9.7 |
240 | 45.2 | 66.1 | 15.6 | 12.3 |
300 | 59.1 | 68.9 | 17.2 | 15.9 |
360 | 65.4 | 74.7 | 18.9 | 17.3 |
480 | 68.2 | 80.4 | 25.6 | 19.8 |
时间 /min | 去除率 /% | ||
处理组( 5 ) | 处理组( 6 ) | 处理组( 7 ) | |
0 | 0.0 | 0.0 | 0.0 |
60 | 39.7 | 13.2 | 3.1 |
180 | 65.8 | 16.7 | 5.9 |
300 | 68.9 | 21.6 | 12.5 |
480 | 80.4 | 39.4 | 17.0 |
时间 /min | 去除率 /% | ||
处理组( 4 ) | 处理组( 5 ) | 处理组( 6 ) | |
0 | 0.0 | 0.0 | 0.0 |
30 | 20.3 | 23.2 | 19.7 |
60 | 39.7 | 40.7 | 36.2 |
120 | 62.0 | 65.7 | 59.5 |
240 | 66.1 | 69.2 | 65.9 |
360 | 74.7 | 77.2 | 70.1 |
480 | 80.4 | 84.5 | 77.4 |
时间( min ) | 去除率( % ) | |||
1st | 2nd | 3rd | 4th | |
0 | 0.0 | 0.0 | 0.0 | 0.0 |
30 | 20.3 | 36.3 | 26.4 | 19.2 |
60 | 39.7 | 49.6 | 43.2 | 35.3 |
120 | 62.0 | 70.1 | 65.1 | 58.3 |
240 | 66.1 | 75.4 | 68.2 | 59.1 |
360 | 74.7 | 79.3 | 75.3 | 70.2 |
480 | 80.4 | 84.1 | 80.0 | 73.7 |
Claims (10)
- 用于催化活化过硫酸盐并靶向降解造纸废水中典型污染物的催化材料的合成方法,其特征在于,包括如下步骤:( 1 )将邻苯二甲酸酯类污染物溶于乙腈中,再依次加入金属有机骨架 MIL-88A 、甲基丙烯酸,然后搅拌均匀,再加入正硅酸乙酯和乙酸,将容器封闭后,在 60 ℃ ~80 ℃下水浴加热,之后离心,并将所得固体干燥;( 2 )将干燥好的固体进行索式提取,以提取模板分子邻苯二甲酸酯类化合物,然后将所得固体干燥,得催化材料,标记为 MIL-88A@MIP 。
- 根据权利要求 1 所述的合成方法,其特征在于,步骤( 1 )所述金属有机骨架 MIL-88A 的制备方法包括如下步骤:( 1 )将摩尔比为 1:10~20:1 的富马酸与 FeCl3 · 6H2O 溶解于去离子水中,经过 1~2 小时的搅拌后,将搅拌均匀的溶液转移到聚四氟乙烯内衬的反应釜中,将反应釜放置在鼓风干燥箱中,在 65~105 ℃下反应 2~12h 后取出反应釜,将反应釜冷却至室温;( 2 )反应釜冷却后,将反应釜内反应后的混合物转移至离心管中,在 8000~10000rpm 条件下离心 10~12min 分离得到淡黄色固体;随后将淡黄色固体倒入烧杯中,用乙醇和水反复洗涤多次后离心,得到湿的金属有机骨架 MIL-88A 固体;将湿的金属有机骨架 MIL-88A 固体放入真空干燥箱中,在 80~120℃下干燥 8~12h ,即得金属有机骨架 MIL-88A 。
- 根据权利要求1所述的合成方法,其特征在于,步骤(1)所述邻苯二甲酸酯类污染物为DBP、DMP和DEP中的一种以上。
- 根据权利要求1所述的合成方法,其特征在于,步骤(1)所述邻苯二甲酸酯类污染物:甲基丙烯酸:正硅酸乙酯的摩尔比为1:40:200。
- 根据权利要求1所述的合成方法,其特征在于,步骤(1)所述邻苯二甲酸酯类污染物的用量为0.150mL~0.369mL,乙腈的用量为10.0mL~20.0mL,金属有机骨架MIL-88A的用量为0.05g~0.2g,甲基丙烯酸的用量为0.7mL~1.7mL,正硅酸乙酯的用量为12.75mL~22.75mL,乙酸的用量为0.50mL~0.85mL。
- 根据权利要求1所述的合成方法,其特征在于,步骤(1)所述搅拌的时间为0.5h~3h;所述水浴加热的时间为10h~20h。
- 由权利要求1-6任一项所述的方法合成的一种用于催化活化过硫酸盐并靶向降解造纸废水中典型污染物的催化材料。
- 权利要求7所述的催化材料应用于催化活化过硫酸盐并靶向降解造纸废水中的典型污染物,其特征在于,包括以下步骤:向pH为2~7的造纸废水中加入催化材料MIL-88A@MIP和过硫酸盐,在常温条件下,转速为50~500 rpm的摇床中进行反应120~600min。
- 根据权利要求8所述的应用,其特征在于,所述过硫酸盐为过硫酸钠、过硫酸钾和过硫酸铵中的一种以上;所述造纸废水中的邻苯二甲酸酯类污染物为DMP、DBP、DEP和 DPP中的一种以上。
- 根据权利要求8所述的应用,其特征在于,所述过硫酸盐和造纸废水中的邻苯二甲酸酯类污染物的摩尔比为100:1~800:1;所述的催化材料MIL-88A@MIP的用量为0.3g/L~2g/L。
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012173400A2 (en) * | 2011-06-15 | 2012-12-20 | Samsung Electronics Co., Ltd. | Visible light sensitive photocatalyst, method of producing the same, and electrochemical water decomposition cell, water decomposition system, and organic material decomposition system each including the same |
CN104588017A (zh) * | 2014-12-09 | 2015-05-06 | 江南大学 | 一种在可见光下具有高催化降解活性的分子印迹–Fe掺杂TiO2的制法 |
CN105399197A (zh) * | 2015-12-15 | 2016-03-16 | 浙江工业大学 | 基于三维磁性有序介孔铁酸钴活化过硫酸盐处理染料废水的方法 |
CN107029790A (zh) * | 2017-04-12 | 2017-08-11 | 华南理工大学 | 用于催化活化过硫酸盐并靶向降解造纸废水中典型污染物的催化材料及其合成方法与应用 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0780479A (ja) * | 1993-09-10 | 1995-03-28 | C Uyemura & Co Ltd | 有機化合物含有廃液の処理方法 |
FR2716676B1 (fr) * | 1994-02-28 | 1996-04-05 | Elf Aquitaine | Procédé de décomposition oxydative de composés organiques présents dans des effluents aqueux. |
FR2945966B1 (fr) * | 2009-05-28 | 2014-06-20 | Centre Nat Rech Scient | Utilisation d'un solide hybride cristallin poreux comme catalyseur de reduction d'oxydes d'azote et dispositifs |
CN102898566B (zh) * | 2011-07-28 | 2015-04-01 | 天津科技大学 | 一种富集痕量速灭威的金属有机框架分子印迹聚合物的制备方法 |
CN102600906A (zh) * | 2012-02-28 | 2012-07-25 | 江苏大学 | 分子印迹型光催化剂的制备方法 |
CN104667876B (zh) * | 2013-11-29 | 2018-02-13 | 北京思达安新材料科技有限公司 | 系列MOF型多级孔材料IPD‑mesoMOF‑1~8及其制备方法,以及介孔大小的调节方法 |
CN104014320B (zh) * | 2014-06-19 | 2016-08-17 | 天津科技大学 | 一种富集痕量速灭威的水相金属有机框架分子印迹材料 |
CN105562112A (zh) * | 2015-12-28 | 2016-05-11 | 陕西科技大学 | 磁性二氧化钛/氧化石墨烯分子印迹光催化复合材料及制备方法 |
CN105923738B (zh) * | 2016-06-20 | 2019-01-18 | 华南理工大学 | 一种利用金属有机骨架高效催化活化过硫酸盐或过硫酸氢盐处理有机废水的方法 |
-
2017
- 2017-04-12 CN CN201710236647.8A patent/CN107029790A/zh active Pending
- 2017-11-23 US US16/083,519 patent/US10478813B2/en not_active Expired - Fee Related
- 2017-11-23 WO PCT/CN2017/112448 patent/WO2018188345A1/zh active Application Filing
- 2017-11-23 JP JP2019555213A patent/JP6801844B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012173400A2 (en) * | 2011-06-15 | 2012-12-20 | Samsung Electronics Co., Ltd. | Visible light sensitive photocatalyst, method of producing the same, and electrochemical water decomposition cell, water decomposition system, and organic material decomposition system each including the same |
CN104588017A (zh) * | 2014-12-09 | 2015-05-06 | 江南大学 | 一种在可见光下具有高催化降解活性的分子印迹–Fe掺杂TiO2的制法 |
CN105399197A (zh) * | 2015-12-15 | 2016-03-16 | 浙江工业大学 | 基于三维磁性有序介孔铁酸钴活化过硫酸盐处理染料废水的方法 |
CN107029790A (zh) * | 2017-04-12 | 2017-08-11 | 华南理工大学 | 用于催化活化过硫酸盐并靶向降解造纸废水中典型污染物的催化材料及其合成方法与应用 |
Non-Patent Citations (1)
Title |
---|
KUN-YI ANDREW LIN ET AL.: "Iron-based metal organic framework, MIL-88A, as a heterogeneous persulfate catalyst for decolorization of Rhodamine B in water", RSC ADV., vol. 5, no. 41, 25 March 2015 (2015-03-25), pages 32520 - 32530, XP055612429 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111533237A (zh) * | 2020-05-12 | 2020-08-14 | 湖南鑫恒环境科技有限公司 | 利用锰离子掺杂金属有机骨架材料处理抗生素废水的方法 |
CN115215421A (zh) * | 2022-08-16 | 2022-10-21 | 南华大学 | 一种四硫化钒在降解有机污染物中的应用 |
CN115215421B (zh) * | 2022-08-16 | 2023-08-25 | 南华大学 | 一种四硫化钒在降解有机污染物中的应用 |
CN116282465A (zh) * | 2022-11-25 | 2023-06-23 | 哈尔滨工业大学水资源国家工程研究中心有限公司 | 一种微波活化高碘酸盐快速氧化降解PPCPs废水的方法 |
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