48 results about "P-phenylphenol" patented technology

The invention belongs to the field of electrochemical gas sensors, and particularly relates to a phenol gas sensor based on quantum dots and a preparation method of the phenol gas sensor. The gas sensor comprises a quantum dot sensing film, polyphenol oxidase on the surface of the quantum dot sensing film and an enzyme stabilizing composite reagent covering the polyphenol oxidase, benzoquinone is formed on the basis that phenol is oxidized through molecular oxygen on the basis of the polyphenol oxidase, the enzyme-substrate efficient specific catalysis effect is achieved, and the content of the polyphenol oxidase in the gas sensor is increased. The polyphenol oxidase-based quantum dot phenol gas sensor is designed. The sensor is high in phenol gas detection specificity and sensitivity.

The invention discloses a polyamide composite membrane, a preparation method and a method for extracting phenol from coal tar by adopting the polyamide composite membrane, the polyamide composite membrane comprises a supporting layer and a separation layer coated on the surface of the supporting layer, the supporting layer is a polytetrafluoroethylene nanofiltration membrane, the separation layer is a polyamide membrane, and the separation layer is a polyamide membrane. Active sites are provided for phenol molecules, so that phenol can be adsorbed on the surface of the polyamide membrane. The polyamide composite membrane prepared by the invention shows excellent nanofiltration performance in both an aqueous solution and an organic solution. The rejection rate of the polyamide composite membrane to phenol can reach about 26.1-51.2%, and the permeability of an organic solvent can reach 20-30 L.m <-2 >. Bar <-1 >. S <-1 >. In addition, the polyamide composite membrane is high in stability, and the interception performance can be kept stable under 10-day continuous operation.

The invention relates to a process for extracting low-concentration phenol from an aqueous solution by using a hydrophobic eutectic solvent. The extraction agent used in the process is mainly synthesized from tributyl phosphate and n-caprylic alcohol in a molar ratio of 0.5: 1: 2 under the condition of 353.15 K. A phenol aqueous solution is used as an extraction water phase, the influence of various experimental parameters such as pH, temperature and phase ratio on the phenol extraction efficiency is researched by changing the content of phenol in the extraction water phase, and the extraction organic phase and the water phase are fully mixed according to the volume ratio of 1: 0.2-1: 5 and then separated until a clear phase interface appears, so that the two phases are completely separated. After phase separation is finished, an organic phase rich in phenol and a water phase containing a very small amount of phenol are obtained, and the highest extraction efficiency reaches 99% or above. Through three times of back extraction experiments, the back extraction efficiency of the phenol reaches 98% or above, and cyclic utilization of the phenol is achieved in the economic aspect. The method for extracting phenol has the advantages of low energy consumption, simple process, high separation efficiency of phenol and water and the like, the adopted hydrophobic eutectic solvent is low in price, and the preparation method is simple, non-toxic and environment-friendly.

The utility model relates to the technical field of phenol wastewater treatment, in particular to a coal chemical phenol-containing wastewater treatment system which is characterized in that an inner pipe is arranged in an outer pipe, a preset distance is formed between the inner wall of the outer pipe and the outer wall of the inner pipe to form a water channel, one end of the inner pipe is a sealed end, and a water containing space is formed between the sealed end and the corresponding end of the outer pipe; the water containing space is communicated with the water channel, the other end of the inner pipe is connected with the end, away from the sealed end, of the outer pipe in a sealed mode, and the inner pipe is a ZnO (at) PDA / POMs nanocomposite inner pipe. One of the other end of the inner pipe and the water containing space is connected with an outlet of the phenol wastewater storage tank, and the other end of the inner pipe and the water containing space is connected with an inlet of the ground tank. Through the arrangement of the ZnO (at) PDA / POMs nanocomposite inner pipe, the catalytic degradation rate of the phenol wastewater is increased, meanwhile, catalytic degradation is conducted on the phenol wastewater, harm to the human body is reduced, and the service life of the phenol wastewater is prolonged. And the pollution to the atmospheric environment is reduced.

The invention discloses an N and P co-doped charcoal-silicon dioxide composite material and application thereof in adsorbing phenols in oilfield wastewater, and belongs to the technical field of environmental functional materials. The composite material comprises a biochar matrix, silicon dioxide, and an N element and a P element which are co-doped on the surface of the material and in a skeleton. Silicon dioxide serves as a framework, the high-porosity structure of the material is supported and maintained, the thermal stability of the material is improved, rich surface active sites are introduced through co-doping of N and P, and the adsorption capacity of the material to phenolic pollutants is remarkably improved through the synergistic effect of the silicon dioxide and the N and P. The adsorption capacity of the material to typical oilfield phenols such as phenol, cresol, chlorophenol, nitrophenol and the like is 150-200 mg / g, the adsorption efficiency can reach 96% or above, and the recycling performance can be good through acid and alkali heat treatment. The invention effectively solves the problems of poor adsorption effect, high material cost, insufficient stability, secondary pollution and the like in oilfield wastewater phenol treatment.

The invention belongs to the technical field of wastewater treatment, and particularly relates to a high-phenol high-salt industrial wastewater treatment process which comprises the following steps: S1, preparing a composite extracting agent, S2, extracting phenol, S3, regenerating the extracting agent, S4, pretreating a dephenolized water phase, and S5, evaporating and desalting. Compared with the prior art, the invention has the following beneficial effects: through compounding of tributyl phosphate and kerosene, the addition of kerosene can enhance hydrophobicity by reducing viscosity, dispersing tributyl phosphate molecules and retaining tributyl phosphate at the same time, the extraction efficiency of phenol is greatly improved, the extraction efficiency is high, the maximum extraction rate of phenol is high, and the method is suitable for industrial production. The phenol extraction rate can reach 95.5% after extraction is carried out for 1.5 hours, and the maximum phenol extraction rate is stabilized at 97.2% after extraction is carried out for 2 hours.

The utility model relates to a combined device for rectifying and purifying recovered crude phenol, and belongs to the technical field of chemical production devices and rectifying and purifying. The device is formed by combining a distillation still, a rectifying tower, an evaporation inclined pipe, a condenser, a liquid separation tank, a U-shaped bent pipe, an impurity receiving tank, a front distillation receiving tank, a reflux condenser, a certified product receiving tank, a water heater, a vacuum ejector and the like. The innovation point is that the design of an evaporation inclined pipe is introduced, a liquid separation tank and a U-shaped bent pipe are arranged, and a water heater for cooling phenol steam is designed; according to the technical scheme, the combined device for rectifying and purifying the recovered phenol crude product effectively solves the problem that an evaporation pipeline is blocked due to crystallization in the rectifying and purifying process of the recovered phenol, solves the problem that a condenser is blocked by phenol crystallization in the operation process, and solves the problem that impurities are not easily brought out due to backflow; the combined device for rectifying and purifying the recovered crude phenol product disclosed by the utility model also has the characteristics of high product purity and convenience in operation.

The invention relates to the technical field of recycling and utilizing chemical production waste, in particular to a phenol tar graded purification device, which comprises a reactor and an auxiliary platform, wherein a stirring and mixing component is provided on the top of the reactor, and a condensation reflux component is provided on the side end of the stirring and mixing component on the top of the reactor. The condensation reflux components are provided in plurality, and the tops of the plurality of condensation reflux components are connected to a tail gas pipe. By arranging a first condensation unit and a second condensation unit, phenol vapor in waste gas generated during chemical purification in the reactor during the purification process of phenol tar is recovered, the first condensation unit is used for condensation recovery of phenol vapor in a regular manner, and the second condensation unit is used for emergency standby phenol vapor recovery, and the first condensation unit and the second condensation unit cooperate to clean scale and discharge scaled residual phenol liquid, so as to improve the recovery rate of phenol vapor in tail gas.

The invention discloses a method for preparing phenol from bio-oil, and belongs to the field of organic material preparation. The method comprises the following steps: reacting bio-oil in the presence of a first catalyst metal molecular sieve composite catalyst to obtain an intermediate rich in benzene; the intermediate rich in benzene is subjected to a catalytic oxidation reaction in the atmosphere of a second catalyst and hydrogen peroxide, and phenol is obtained, the second catalyst comprises a ferroferric oxide carrier and a copper-containing substance loaded on the ferroferric oxide carrier. The preparation method provided by the invention has relatively high selectivity and yield on phenol, and is low in cost and environment-friendly. According to the method, the used raw material is the bio-oil, the raw material has the advantages of being rich in resource, environmentally friendly, renewable and the like, a terminal product is a biomass-based high-added-value chemical taking phenol as a main component, and high-value comprehensive utilization of biomass resources is facilitated.

The device mainly comprises a hydrogen buffer tank, a phenol preheater, a phenol vaporizer, a hydrogen heat exchanger, a crude alcohol ketone buffer tank, a gas condenser, a crude alcohol ketone cooler, a tail gas condenser, a phenol hydrogenation reactor, a second hydrogen buffer tank and a hydrogen circulating compressor. According to the utility model, heat of a phenol hydrogenation reaction product is subjected to cascade recovery, is firstly used for preheating phenol and then exchanges heat with fed hydrogen, so that the heat is recovered, the consumption of heating steam can be reduced by 30-40%, and meanwhile, the feeding superheater and the phenol vaporizer are arranged as integrated equipment, so that the technological process is reduced, the energy consumption is reduced, and the investment is saved.

The invention belongs to the field of wastewater treatment, and particularly relates to a method for extracting high-concentration coal chemical phenolic wastewater by adopting 5-methyl-2-hexanone. The method comprises the following steps: acidizing the high-concentration coal chemical phenolic wastewater, and then adding 5-methyl-2-hexanone into the acidized wastewater for extraction. Experimental results show that the distribution coefficients D of the MIAK to phenol, o-cresol, m-cresol and p-cresol are not lower than 74, 74, 76 and 82 respectively, the single-stage extraction rate exceeds 97%, and the total removal rate after two-stage countercurrent extraction can reach 99.9%. The method is carried out at normal temperature and normal pressure, the extracting agent can be recycled for more than 10 times through reduced pressure distillation, and the method has the advantages of simplicity and convenience in operation, low energy consumption, rapidness in phase splitting, no secondary pollution and the like. Compared with an existing phenol-containing wastewater treatment technology, efficient removal and resource recycling of high-concentration phenolic substances are achieved, and the method is suitable for deep treatment and recycling of wastewater in the coal chemical industry and other industries.

The invention discloses a method for separating and purifying phenolic compounds in medium and low temperature coal tar. The coal tar structure is analyzed step by step through a column chromatography method, phenolic compounds are enriched step by step, and the content reaches 75.7%. And analyzing through an elution rule and a compound distribution rule. After phenolic compounds are separated step by step, pure product enrichment recovery rates of phenol, o-methylphenol and (m)-p-methylphenol are 102.74%, 95.93% and 96.23% respectively through liquid chromatography, and enrichment results are confirmed by using mass spectrometry and infrared characterization.

The invention belongs to the technical field of biomass utilization, and particularly relates to a process for preparing magnetic charcoal rich in nitrogen / iron oxide through rapid pyrolysis activation and a method for efficiently adsorbing phenol through the magnetic charcoal. The method comprises the following steps: by taking biomass as a raw material, crushing, cleaning and drying, impregnating with a ferric trichloride solution, drying at a low temperature to prepare an iron-containing precursor, and then quickly pyrolyzing in an ammonia gas atmosphere to generate nitrogen / iron oxide-rich magnetic biochar which has a developed pore structure and loaded iron oxide and ferroferric oxide particles. The adsorbent is short in preparation period, low in energy consumption and high in efficiency, and the specific surface area and surface functional group distribution are further improved by optimizing pyrolysis conditions, so that the adsorption rate and capacity of phenol are remarkably enhanced. The prepared iron-nitrogen co-doped biochar is low in cost, efficient and renewable, a new path is provided for organic pollutant treatment, and high-value utilization of biomass waste and economic treatment of water pollution are achieved.

The invention relates to the technical field of photo-thermal interface evaporation and photo-thermal catalysis, in particular to a preparation method and application of a MnO2-based photo-thermal evaporator with a photo-thermal catalysis function. The preparation method comprises the following steps: S1, preparing a pretreatment carrier: S101, cleaning the carrier to remove impurities; s102, carrying out pretreatment; s2, preparing a composite MnO2 precursor solution; and S3, loading MnO2 by an impregnation method. According to the preparation method and application of the MnO2-based photo-thermal evaporator with the photo-thermal catalysis function, the problems that manganese dioxide is not firmly combined in the photo-thermal evaporator, the adsorption and capture capacity on phenol is weak, catalytic active sites are insufficient, and the degradation efficiency is low are solved.

The invention discloses a coal gangue-based surface molecular imprinting adsorption material and a preparation method thereof, coal gangue is taken as a carrier, phenol is taken as a template molecule, and an adsorbent with high selectivity and specific recognition capability on phenol molecules is synthesized through a molecular imprinting technology. The coal gangue is successfully converted into a surface molecular imprinting adsorption material with a large specific surface area and a suitable pore structure through simple calcination and modification processes. The adsorption capacity and selectivity of the material are remarkably improved, and the efficient separation and detection requirements are met. The adsorption equilibrium time of the coal gangue-based material subjected to molecular imprinting treatment on phenol in an aqueous solution is within 24 hours, and the selective adsorption capacities of the coal gangue-based material on phenol, hydroquinone and p-nitrophenol can reach 46.12 mg / g, 32.25 mg / g and 29.18 mg / g respectively. The material shows excellent selectivity in a mixed solution of various phenol molecules, and shows application potential in the fields of adsorption, separation and the like.

A selective hydrogenation catalyst for phenol comprises a support and an active component loaded on the surface of the support; wherein the support is a base-modified molecular sieve; the active component comprises a primary active component and a secondary active component; the primary active component comprises palladium; and the secondary active component comprises boron and / or niobium. Using a base-modified molecular sieve as a support and loading the primary and secondary active components, the active component is fully dispersed on the support, exhibiting excellent catalytic activity for the hydrogenation of phenol to cyclohexanone. The catalytic performance is stable and has high practical value.

The invention discloses a method for determining phenol compounds in electronic atomized liquid or aerosol thereof and application of the method, and belongs to the field of electronic atomized liquid analys.The method comprises the steps that a sample solution of the electronic atomized liquid or aerosol thereof is purified through a solid-phase extraction column, a silanization derivatization reagent is added into the purified solution for treatment, and then the sample solution is obtained; and carrying out gas chromatography-tandem mass spectrometry (GC-MS) analysis on the silanization derivative product, and detecting the phenol compounds. According to the method, phenol compounds are separated from main components, namely propylene glycol and glycerol matrixes, of the electronic atomized liquid through a solid-phase extraction method, interference on the phenol compounds is removed, N, O-bis (trimethylsilyl) trifluoroacetamide (BSTFA) achieves complete derivation on the seven phenol compounds, and the purity of the phenol compounds is improved. The content of the phenol compounds in the electronic atomized liquid and the aerosol can be accurately determined.

The invention relates to the technical field of water treatment, and discloses a method for preparing a modified carboxymethyl cellulose adsorbent material, wherein N,N'-bis(2-ethyl acrylate)ethylenedi(hydroxybenzyl)amine and diethylenetriamine are subjected to Michael addition reaction to obtain an amino-terminated hyperbranched polymer containing phenolic hydroxyl groups. Glutaraldehyde is then used as a cross-linking agent to carry out a cross-linking reaction with carboxymethyl cellulose, and the obtained modified carboxymethyl cellulose adsorbent material has a three-dimensional cross-linked network, a larger specific surface area, can increase more adsorption sites, and contains a large number of phenolic hydroxyl groups, carboxyl groups, amino groups, imino groups, phenolic hydroxyl groups and other functional groups, which significantly improves the adsorbent material's ability to absorb phenolic pollutants and Cu. 2+ Adsorption properties of metal ions.

The invention relates to composite particles for repairing polluted water and a preparation method and application of the composite particles, and belongs to the technical field of environmental functional materials and water pollution governing. Through double chemical modification of acrylic acid grafting and glutaraldehyde crosslinking, a sodium alginate / chitosan charcoal carrier is modified into a high-strength pH-responsive intelligent carrier, and the composite particles are used for repairing the polluted water. And then the plant growth-promoting bacteria and sodium percarbonate are compounded and granulated. After being added, the carrier can effectively resist SPC initial oxidation impact, protect the activity of thalli, intelligently release PGPB along with the change of pH, accurately link and deepen the oxidative degradation process, and realize efficient and deep mineralization of pollutants. Experiments show that the microbial protection rate of the material is greater than 95%, the 72-hour phenol mineralization rate reaches 85%, and the material is remarkably superior to that of a traditional method. According to the invention, the problem of compatibility between the oxidant and microorganisms is solved, and a new technology is provided for efficient and green water body remediation.

The invention discloses a rapid detection method for key flavor substances in Changsha stinky tofu brine, and relates to the technical field of analysis and testing. The method aims at solving the problems that an existing detection method is complex and high in cost and cannot quantify key flavor substances, specific color development systems are adopted for the four key flavor substances including phenol, 4-methylphenol, indole and 3-methylindole for color development reaction, absorbance data are obtained through ultraviolet-visible full-wavelength scanning of a microplate reader, the absorbance data are analyzed, and the quantitative analysis result is obtained. And calculating the content in combination with a partial least square model. The method is easy and convenient to operate, low in cost and high in accuracy, brine flavor substances can be rapidly detected, and a support is provided for Changsha stinky tofu brine quality control and industry standardization.

The invention relates to a g-C3N4 composite separation membrane, a preparation method and application of the g-C3N4 composite separation membrane in filtration of an organic matter-containing solution, and belongs to the technical field of membrane separation. The MoS2 / g-C3N4 film is prepared by compounding MoS2 and g-C3N4 nanosheets, and compared with a g-C3N4 pure film and a MoS2 pure film, the interception performance of the composite film on phenol is improved, and the stability of the composite film is relatively good.

The invention discloses preparation and stabilization methods of an INO3 solution and application of the INO3 solution. The preparation method comprises the following steps: dissolving silver nitrate in a first organic solvent to form a silver nitrate solution; dissolving an iodine elementary substance in a second organic solvent to form an iodine elementary substance solution; mixing the silver nitrate solution with an iodine simple substance solution, and carrying out a reaction according to a reaction equation AgNO3 + I2-AgI + INO3; and separating AgI precipitate generated by the reaction to obtain an INO3 solution. When a non-acetonitrile solvent is used, acetonitrile needs to be added as a stabilizer, so that the volume content of acetonitrile in the final solution is greater than or equal to 50%. The INO3 solution can be used as a bifunctional reagent for synchronous iodination and nitration reactions of aromatic compounds. The half-life period of the INO3 solution prepared by the method provided by the invention in an acetonitrile system under the dark condition of 25 DEG C reaches 48.5 days, the product stability is good, the INO3 solution has excellent activity on the bifunctionalization reaction of aromatic compounds such as phenol, and nitrophenol and iodo-phenol products can be generated at the same time.

The utility model discloses a screw conveying mechanism for phenol-acetone production, and relates to the technical field of phenol-acetone production. Comprising a base, universal wheels are fixedly connected to one end of the base at intervals, an adjusting mechanism is fixedly connected to the end, away from the universal wheels, of the base, a conveying mechanism is fixedly connected to the end, away from the base, of the adjusting mechanism, and a driving mechanism is installed on the side face of the conveying mechanism; the screw conveying mechanism for phenol acetone production has the beneficial effects that the screw conveying mechanism for phenol acetone production not only can carry out conventional conveying processing, but also can adjust the angle of the conveying mechanism through the adjusting mechanism, so that the use requirements of different angles can be met according to actual requirements; and the device can provide different rotating powers for the conveying mechanism through the driving mechanism, so that the inner wall of the conveying bin can be scraped in the process of conveying phenol acetone, the diversity and comprehensiveness of the device are effectively improved, and the practicability of the device is also improved.

The application discloses a synthesis method of hexa-substituted oxy-cyclotriphosphazene compounds, under nitrogen condition, crystallized hexachlorocyclotriphosphazene is dissolved in a solvent, and then is added into a solution of one or two of phenol / 4-nitrophenol / trifluoroethanol / 4-ethylphenol / 4-methoxyphenol / 4-methylthioether phenol, and then potassium trimethylsilanol is added, and reaction is carried out at 65-100 DEG C for 6-24 h; after the reaction is completed, corresponding hexa-substituted oxy-cyclotriphosphazene derivatives are obtained through post-treatment. The application selects a solvent with high safety and low toxicity and high-activity potassium trimethylsilanol to realize the synthesis of phenol and alkyl alcohol hexa-substituted oxy-cyclotriphosphazene; and through optimization of the post-treatment method, the residual phenol and salt in the reaction system can be efficiently removed, and the waste water and waste liquid generated due to post-treatment are greatly reduced.

A polyacid-based complex for detecting phenolic compounds and trace phenol and application thereof, the complex can be used as a catalyst for detecting trace phenolic compounds by aminoantipyrine colorimetry, and has a molecular formula as follows: {[Cu(dap)(3-PA)]4(SiW 12 O 40 )(H2O)2}·2H2O; wherein, dap is 1,2-propylenediamine; 3-HPA is 3-(3-pyridine) acrylic acid, and 3-PA is a carboxyl group of 3-(3-pyridine) acrylic acid with one proton removed. The polyacid-based complex for detecting phenolic compounds and trace phenol has an application in detecting phenolic compounds. The polyacid-based complex has the advantages of simple synthesis method, short synthesis period and high synthesis yield. The polyacid-based complex can be used to detect various phenolic compounds such as phenol, 4-chlorophenol, o-methylphenol, p-nitrophenol and phloroglucinol, and in particular, the polyacid-based complex can be used to detect trace phenol with low detection limit.

The application discloses an intercalation coal gangue-based surface molecular imprinting adsorption material and a preparation method. First, intercalation coal gangue is used as a carrier, phenol is used as a template molecule, methacrylic acid is used as a functional monomer, ethylene glycol dimethacrylate is used as a crosslinking agent, azobisisobutyronitrile is used as an initiator, a surface molecular imprinting reaction is carried out on the surface of the intercalation coal gangue, and a polymer layer is formed. The layer fixes the template molecule and the functional monomer assembly together. The phenol template molecule is removed by elution, and finally, the intercalation coal gangue-based surface molecular imprinting adsorption material with a structure having a specific adsorption pore size is obtained. The intercalation coal gangue-based surface molecular imprinting adsorption material is prepared by mixing coal gangue as raw material after treatment with a solution of an intercalation agent with a certain concentration. The intercalation process includes direct intercalation of dimethyl sulfoxide, two intercalations of methanol, and macromolecular intercalation of cetyltrimethylammonium bromide, the intercalation process and imprinting effect are optimized, and the specific adsorption of phenol on the phenol adsorption performance is improved.

According to the research, a novel photooxidation reduction system based on the photochromic Cu-TiO2 nano-catalyst is developed, and efficient activation and selective coupling of C-Cl bonds under visible light driving are successfully achieved. Through a dual reaction path of concerted catalysis of benzyl chloride reduction and phenol oxidation, the system can directionally synthesize C-C / C-O bond drug molecules such as 4-benzyloxyphenol (monobenzone) and benzylated 1, 4-benzoquinone. Mechanism research shows that Cu doping enhances the coordination capacity of a substrate, Cu / Cu active sites generated by excitation of Cu doping have a synergistic effect with oxygen vacancies, the C-Cl bond activation efficiency is remarkably improved, and efficient synthesis of bibenzyl (the yield is gt, 96%, and the selectivity is gt, 99%) is achieved. The photooxidation path can be selectively controlled by regulating and controlling the solvent environment, so that accurate synthesis of high-added-value drugs of different bond type products is realized. The work provides a new thought for developing a high-efficiency photocatalytic drug synthesis system, and has important guiding significance for functional research of C-Cl bonds.

The invention discloses a preparation method and application of a structured molybdenum modified iron-based photo-Fenton catalyst.The preparation method of the structured molybdenum modified iron-based photo-Fenton catalyst.The preparation method of the structured molybdenum modified iron-based photo-Fenton catalyst.The preparation method comprises the following steps that a molybdenum-containing precursor solution is introduced to a metal-based carrier through a vacuum assembly method, and the metal-based carrier is obtained; performing vacuum drying and roasting to obtain a molybdenum modified catalyst; and loading iron oxide on the molybdenum modified catalyst to obtain the structured molybdenum modified iron-based photo-Fenton catalyst, the structured molybdenum modified iron-based photo-Fenton catalyst is simple in preparation process and easy to put into industrial production, the structured plate-shaped catalyst does not need additional separation operation and can be repeatedly used, the industrial cost is reduced, the catalyst can efficiently degrade pollutants such as phenol and chlorophenol in photo-Fenton reaction, and the catalyst has good application prospects. The degradation rate of RhB and 2-CP within 30 min reaches 95%, the degradation rate of 3-CP within 40 min reaches 97.26%, the degradation rate of phenol and 4-CP is slightly lower than that of other pollutants, but the degradation rate within 60 min reaches 95% or above.

The invention discloses an intercalated coal gangue based surface molecularly imprinted adsorption material and a preparation method thereof. The preparation method comprises the following steps: firstly, by taking intercalated coal gangue as a carrier, phenol as a template molecule, methacrylic acid as a functional monomer, ethylene glycol dimethacrylate as a cross-linking agent and azodiisobutyronitrile as an initiator, preparing an intercalated coal gangue based surface molecularly imprinted adsorption material; and carrying out surface molecular imprinting reaction on the surface of the intercalated coal gangue to form a polymer layer. And the template molecules and the functional monomer assembly are fixed together by the layer. And eluting to remove phenol template molecules to finally obtain the intercalated coal gangue-based surface molecularly imprinted adsorption material with a specific adsorption aperture structure. The coal gangue is used as a raw material, treated and then mixed with an intercalator solution with a certain concentration to prepare the coal gangue intercalator. The intercalation process comprises direct intercalation of dimethyl sulfoxide, two-time intercalation of dimethyl sulfoxide and methanol and macromolecule intercalation of cetyltrimethylammonium bromide, the intercalation process and the imprinting effect are optimized, and the phenol adsorption performance and specific adsorption of phenol are improved.

The utility model discloses a phenol recycling device, which belongs to the technical field of phenol recycling and comprises a mounting rack, a heating seat is mounted at the bottom of the mounting rack, a kettle body for purifying and recycling phenol waste liquid is assembled in the heating seat, and a stirring component for assisting in recycling the phenol waste liquid is arranged in the kettle body; the two sides of the top of the kettle body are connected with a condenser and a filtering guide cylinder respectively, a filtering piece for filtering the phenol waste liquid before recycling is arranged in the filtering guide cylinder, and positioning assemblies for locking and fixing the filtering piece are arranged on the two sides of the filtering guide cylinder; the bottom of the heating seat is connected with a circulating pump for circularly purifying phenol waste liquid in the kettle body; according to the phenol recycling device, the phenol recycling treatment effect can be further improved, in the phenol recycling process, phenol is filtered, impurities entrained in the phenol are reduced, the recycling quality is guaranteed, the filtering structure can be conveniently replaced and cleaned, and the treatment efficiency is improved.