CN102863070A - Ozonization water treatment method with NiFe2O4 magnetic nanometer material as catalyst - Google Patents

Ozonization water treatment method with NiFe2O4 magnetic nanometer material as catalyst Download PDF

Info

Publication number
CN102863070A
CN102863070A CN2012103841141A CN201210384114A CN102863070A CN 102863070 A CN102863070 A CN 102863070A CN 2012103841141 A CN2012103841141 A CN 2012103841141A CN 201210384114 A CN201210384114 A CN 201210384114A CN 102863070 A CN102863070 A CN 102863070A
Authority
CN
China
Prior art keywords
nife
nano material
water treatment
magnetic
catalyzer
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.)
Granted
Application number
CN2012103841141A
Other languages
Chinese (zh)
Other versions
CN102863070B (en
Inventor
董玉明
赵辉
蒋平平
王光丽
王进
何赛飞
郑佳
许晶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangnan University
Original Assignee
Jiangnan University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangnan University filed Critical Jiangnan University
Priority to CN201210384114.1A priority Critical patent/CN102863070B/en
Publication of CN102863070A publication Critical patent/CN102863070A/en
Application granted granted Critical
Publication of CN102863070B publication Critical patent/CN102863070B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Catalysts (AREA)

Abstract

Provided is an ozonization water treatment method with a NiFe2O4 magnetic nanometer material as a catalyst. The NiFe2O4 magnetic nanometer material is prepared through a hydrothermal method and used as the catalyst to be added in an ozonization water treatment system containing phenol waste water, degrading of phenol organic pollutant is promoted, and a novel ozonization water treatment method is provided. The method belongs to the technical field of water treatment and environment catalysis. The scale of the NiFe2O4 magnetic nanometer material is small, dispersibility of the NiFe2O4 magnetic nanometer material in a water solution is good, and the NiFe2O4 magnetic nanometer material can be separated and recycled by using an external magnetic field effectively and has wide prospects in ozonization water treatment application.

Description

A kind of with NiFe 2O 4Magnetic Nano material is the ozonization water treatment method of catalyzer
Technical field
The present invention proposes a kind of with NiFe 2O 4Magnetic Nano material belongs to environmental catalysis and water treatment field as the ozonization water treatment method of catalyzer.
Background technology
Current, along with the fast development of industrial or agricultural, the trade effluent and the agricultural effluent quantity discharged that contain organic pollutant are increasing.Wherein large, the difficulty of many organic pollutant toxicity is biodegradable, and ecotope and human health have been caused serious threat, and therefore the effective processing for such organic waste water causes people's extensive concern.Ozone molecule has stronger oxidation capacity (En=2.07V), and ozonation carries out at normal temperatures and pressures, and mild condition, easy and simple to handle is thorough to organic pollutant removal, thereby has broad application prospects in water treatment.But the organic pollutant take aromatics and condensed ring compounds as representative has very high stability, and ozone degradation efficient is lower separately, and catalytic ozonation then is to utilize catalyzer to strengthen at normal temperatures and pressures a kind of advanced oxidation process of ozone oxidation.Studies show that the hydroxyl radical free radical that produces in the catalytic reaction process is very active, oxidizing potential is up to 2.33V, and the most stable of degrading is high, toxicity is large and the organic pollutant of difficult degradation.Therefore, the research of Catalytic Ozonation organic pollutants comes into one's own day by day.
Catalytic ozonation can be divided into homogeneous catalysis and heterogeneous catalyst.Multi-phase catalytic ozonation reacts at normal temperatures and pressures, and is easy to operate, oxidation capacity is strong, has a extensive future in treatment of Organic Wastewater.In recent years, along with the research of nano material and nanotechnology deepens continuously, the nano material technology of preparing is ripe day by day, and nano material has caused people's extensive concern in the research of catalytic field.
Magnetic nano-catalyst, yardstick is little on the one hand, specific surface large, good dispersity, is conducive to improve catalytic ozonation efficient.According to exterior magnetic field, can make things convenient on the other hand, be isolated rapidly, reclaim, recycle, overcome the difficult shortcoming that reclaims of non magnetic nanocatalyst.The use of magnetic nano-catalyst, improve catalyzer service efficiency, avoid catalyzer that water quality is polluted, reduces cost of sewage disposal.Therefore developing efficient magnetic nano-catalyst, is a kind of effective ways that advance the catalytic ozonation industrial applications.
Summary of the invention
The object of the present invention is to provide a kind of ozonization water treatment method of magnetic nano-catalyst, reduce water and pollute, improve the using value of catalytic ozonation.Purpose of the present invention can be achieved through the following technical solutions:
(1) NiFe 2O 4The preparation of magnetic Nano material: with Ni (NO 3) 26H 2O and Fe (NO 3) 39H 2O is dissolved in the water, wherein Fe: Ni=2: 1 (mol ratio).Adding volumetric molar concentration is the 4.4mol/L sodium hydroxide solution, transfers in the reactor behind the vigorous stirring number minute simultaneously, keeps 24h at 180 ℃ of lower seals, after finishing, reaction naturally cools to room temperature, the deionized water wash gained is precipitated to neutrality, and drying products obtains NiFe 2O 4Nano material.
(2) ozonization water treatment: with the NiFe that obtains 2O 4Nano material joins in the ozonization water treatment system as catalyzer, passes into ozone, stirs the degraded organic pollutants.
(3) the ozonize effect of different catalysts amount: by comparing the consumption of catalyzer, the mass ratio of discovery catalyzer and the waste water of processing has significant catalyzed degradation effect when being 0.00025-0.002.Catalytic amount is more, and the organic matter degradation effect is unreasonable to be thought.
(4) NiFe 2O 4Nano material magnetic separability: with the NiFe of mass concentration 1.0 g/L 2O 4The aqueous solution is dispersed in the reagent bottle, and magnet is placed the reagent bottle wall, after very short for some time, and NiFe 2O 4Nano material is inhaled well on the reagent bottle wall, obtains a settled solution.
Beneficial effect of the present invention: the method by hydro-thermal synthesizes NiFe 2O 4Magnetic Nano material, with it as the ozonize catalyzer, more independent ozonize, catalytic ozonation makes in the sewage degradation rate of organic pollutant accelerate to some extent, mineralization degree increases.In addition NiFe 2O 4Nano material has magnetic, and reaction finishes, and can effectively be isolated by external magnetic field, has overcome the difficult shortcoming of separating of non magnetic nanocatalyst, is convenient to recycling.Compare with existing ozonization water treatment catalyzer, the present invention has outstanding feature:
(1) NiFe 2O 4The preparation method simple to operate, raw material is easy to get, the building-up process cycle is short, nontoxic pollution-free.
(2) nano-Ni/Fe 2O 4Particle has good dispersiveness in water, be conducive to improve and the contacting of ozone, water pollutant.Therefore in use, less input amount can obtain preferably catalytic effect.
(3) NiFe 2O 4Nano material is very faint to the absorption property of phenol in the water, and its katalysis promotes the decomposition of ozone to produce hydroxyl radical free radical, and then improves degradation efficiency mainly from catalyst surface and ozonization.
(4) NiFe 2O 4Nano material has magnetic, can effectively be isolated by external magnetic field, is convenient to recycling.
Description of drawings
Fig. 1 is the TEM photo of embodiment 1 products obtained therefrom;
Fig. 2 is the XRD figure spectrum of embodiment 1 products obtained therefrom;
Fig. 3 is that phenol is with the concentration curve of ozonize time among the embodiment 1, and (1) line is independent ozonize (catalyst-free), and (2) line is NiFe in the example 1 2O 4The nano material catalytic ozonation;
Fig. 4 is that phenol is with the concentration curve of ozonize time among the embodiment 1, and (1) line is independent ozonize (catalyst-free), and (2) line is NiFe in the example 1 2O 4Nano material catalytic ozonation, (3) line are that the trimethyl carbinol exists NiFe in the lower example 1 2O 4Nano material;
Fig. 5 is that phenol is with the concentration curve of ozonize time under the different catalysts amount among the embodiment 1, and (1) line is independent ozonize (catalyst-free), and (2) line is NiFe in the example 1 2O 4Nano material (0.05g) catalytic ozonation, (3) line is NiFe in the example 1 2O 4Nano material (0.10g) catalytic ozonation, (4) line is NiFe in the example 1 2O 4Nano material (0.20g) catalytic ozonation, (5) line is NiFe in the example 1 2O 4Nano material (0.40g) catalytic ozonation.
Fig. 6 is that the magnetic of gained catalyzer among the embodiment 1 separates synoptic diagram.
Embodiment
For more specific description method of the present invention, the below provides embodiments of the invention, but application of the present invention is not limited to this.
Embodiment 1
Take by weighing 2.04g Ni (NO 3) 26H 2O and 5.66g Fe (NO 3) 39H 2O is dissolved in the 140ml distilled water, after solution mixes, adds 20ml, 4.4mol/L NaOH solution, vigorous stirring.Gained liquid is transferred in the polytetrafluoroethyllining lining reactor, and 180 ℃ of lower seals keep 24h; Naturally cool to room temperature after reaction is finished, the deionized water wash gained is precipitated to neutrality, and 80 ℃ of dryings obtain NiFe 2O 4Nano material.Its TEM photo is seen Fig. 1, and the XRD figure spectrum is seen Fig. 2.
Embodiment 2
Containing initial phenol concentration at 200ml is 300mg L -1Simulated wastewater in, add NiFe 2O 4Nano material 0.20g starts stirring, passes into the ozone of ozone flow 0.75mg/min under 20 ℃ of temperature of reaction, the concentration of phenol under the record different time.The result respectively as shown in Figure 3.
(1) line is independent ozonize (catalyst-free) among Fig. 3, and (2) line is NiFe in the example 1 2O 4The nano material catalytic ozonation.Show in other identical situations NiFe 2O 4The adding of nano material has significantly promoted the degraded of phenol.
Embodiment 3
Containing initial phenol concentration at 200ml is 300mg L -1Simulated wastewater in, add NiFe 2O 4Nano material 0.20g adds the trimethyl carbinol, and mass concentration is 10g/L, stirs, and passes into the ozone of ozone flow 0.75mg/min under 20 ℃ of temperature of reaction, the concentration of phenol under the record different time.The result respectively as shown in Figure 4.
(1) line is independent ozonize (catalyst-free) among Fig. 4, and (2) line is NiFe in the example 1 2O 4Nano material catalytic ozonation, (3) line are that the trimethyl carbinol exists NiFe in the lower example 1 2O 4The nano material catalytic ozonation.Show that the adding of the trimethyl carbinol has obviously suppressed the degraded of phenol in the identical situation of other conditions.
Embodiment 4
Containing initial phenol concentration at 200ml is 300mg L -1Simulated wastewater in, add different amount NiFe 2O 4Nano material is added respectively 0.05g, 0.10g, 0.20g and 0.40g, stirs, and passes into the ozone of ozone flow 0.75mg/min under 20 ℃ of temperature of reaction, the concentration of phenol under the record different time.The result respectively as shown in Figure 5.
(1) line is independent ozonize (catalyst-free) among Fig. 5, and (2) line is NiFe in the example 1 2O 4Nano material (0.05g) catalytic ozonation, (3) line is NiFe in the example 1 2O 4Nano material (0.10g) catalytic ozonation, (4) line is NiFe in the example 1 2O 4Nano material (0.20g) catalytic ozonation, (5) line is NiFe in the example 1 2O 4Nano material (0.40g) catalytic ozonation.Show that catalytic amount is more in other identical situations, the degradation effect of phenol is more remarkable.
Embodiment 5
With 10ml, the NiFe of 1g/L 2O 4The aqueous solution is as in the reagent bottle, ultra-sonic dispersion.One magnet as for by the reagent bottle, is determined the magnetic separation property of catalyzer.The result respectively as shown in Figure 6.
Fig. 6 has showed the process that catalyzer magnetic separates, and shows NiFe 2O 4Nano material has significant magnetic separation property.

Claims (2)

1. one kind with NiFe 2O 4Magnetic Nano material is characterized in that adding NiFe in the system of ozonization water treatment as the ozonization water treatment method of catalyzer 2O 4Magnetic Nano material promotes the degraded of phenol organic pollutant, based on NiFe as catalyzer 2O 4Magnetic, can efficient recovery NiFe 2O 4Nano material, step is:
(1) NiFe 2O 4The preparation of magnetic Nano material: with Ni (NO 3) 26H 2O and Fe (NO 3) 39H 2O is dissolved in the water, wherein Fe: Ni=2: 1 (mol ratio).Adding volumetric molar concentration is the 4.4mol/L sodium hydroxide solution, transfers in the reactor behind the vigorous stirring number minute simultaneously, keeps 24h at 180 ℃ of lower seals, after finishing, reaction naturally cools to room temperature, the deionized water wash gained is precipitated to neutrality, and drying products obtains NiFe 2O 4Nano material.
(2) ozonization water treatment: with the NiFe that obtains 2O 4Nano material joins in the ozonization water treatment system as catalyzer, passes into ozone, stirs the degraded organic pollutants.
(3) NiFe 2O 4Nano material magnetic separates: reaction finishes, and can effectively be isolated by external magnetic field, has overcome the difficult shortcoming of separating of non magnetic nanocatalyst, is convenient to recycling.
2. according to claim 1 with NiFe 2O 4Magnetic Nano material is as the ozonization water treatment method of catalyzer, and the mass ratio that it is characterized in that catalyzer and the waste water of processing has significant catalyzed degradation effect when being 0.00025-0.002.
CN201210384114.1A 2012-10-07 2012-10-07 Ozonization water treatment method with NiFe2O4 magnetic nanometer material as catalyst Active CN102863070B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210384114.1A CN102863070B (en) 2012-10-07 2012-10-07 Ozonization water treatment method with NiFe2O4 magnetic nanometer material as catalyst

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210384114.1A CN102863070B (en) 2012-10-07 2012-10-07 Ozonization water treatment method with NiFe2O4 magnetic nanometer material as catalyst

Publications (2)

Publication Number Publication Date
CN102863070A true CN102863070A (en) 2013-01-09
CN102863070B CN102863070B (en) 2014-11-19

Family

ID=47442246

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210384114.1A Active CN102863070B (en) 2012-10-07 2012-10-07 Ozonization water treatment method with NiFe2O4 magnetic nanometer material as catalyst

Country Status (1)

Country Link
CN (1) CN102863070B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103288202A (en) * 2013-06-27 2013-09-11 江南大学 Ozonization water treatment method taking iron-nickel magnetic composite material as catalyst
CN103611539A (en) * 2013-12-02 2014-03-05 江南大学 Preparation method of magnetic calcium based solid base catalyst used for synthesizing biodiesel
CN104028281A (en) * 2014-06-27 2014-09-10 北京林业大学 Multiphase catalytic ozone oxidation depollution technology based on enhanced ozone adsorption and application thereof
CN105776498A (en) * 2016-03-07 2016-07-20 浙江工业大学 Method for removing anti-tumor medicine in water through catalytic ozonation of magnetic ordered mesopore nickel ferrite
CN106669727A (en) * 2016-12-28 2017-05-17 华南理工大学 Preparation method and application of sludge carbonization and modification magnetic nanometer material capable of activating persulfate to realize printing and dyeing wastewater treatment
CN108483517A (en) * 2018-04-03 2018-09-04 山东大学 A kind of ferrous acid nickel nano film and its preparation method and application
CN109046368A (en) * 2018-07-02 2018-12-21 大唐(北京)水务工程技术有限公司 A kind of coal chemical industrial waste water deep oxidation catalyst and preparation method thereof
CN110342725A (en) * 2019-08-19 2019-10-18 中国十七冶集团有限公司 A kind of emergency method for strengthening in-situ treatment black and odorous water
CN110479282A (en) * 2019-08-13 2019-11-22 北京航空航天大学 A kind of preparation method and application of the Ni substrate load ferrous acid nickel-nickel oxide composite catalyst of catalytic ozonation Organic substance in water

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102151567A (en) * 2011-02-25 2011-08-17 哈尔滨工业大学 Catalyst for oxidation and decomposition of organic pollutants in water with ozone and method thereof for catalyzing sewage treatment with ozone
CN102580663A (en) * 2012-02-21 2012-07-18 上海大学 Preparation method and application of high magnetic composite material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102151567A (en) * 2011-02-25 2011-08-17 哈尔滨工业大学 Catalyst for oxidation and decomposition of organic pollutants in water with ozone and method thereof for catalyzing sewage treatment with ozone
CN102580663A (en) * 2012-02-21 2012-07-18 上海大学 Preparation method and application of high magnetic composite material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
YUEMING REN ET AL.: "Magnetic porous ferrospinel NiFe2O4: A novel ozonation catalyst with strong catalytic property for degradation of di-n-butyl phthalate and convenient separation from water", 《JOURNAL OF COLLOID AND INTERFACE SCIENCE》, vol. 382, 15 September 2012 (2012-09-15), pages 90 - 96, XP028426134, DOI: doi:10.1016/j.jcis.2012.05.053 *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103288202A (en) * 2013-06-27 2013-09-11 江南大学 Ozonization water treatment method taking iron-nickel magnetic composite material as catalyst
CN103288202B (en) * 2013-06-27 2015-04-22 江南大学 Ozonization water treatment method taking iron-nickel magnetic composite material as catalyst
CN103611539A (en) * 2013-12-02 2014-03-05 江南大学 Preparation method of magnetic calcium based solid base catalyst used for synthesizing biodiesel
CN104028281A (en) * 2014-06-27 2014-09-10 北京林业大学 Multiphase catalytic ozone oxidation depollution technology based on enhanced ozone adsorption and application thereof
CN104028281B (en) * 2014-06-27 2016-12-07 北京林业大学 A kind of heterogeneous catalytic ozonation depollution technology based on strengthening ozone absorption and application thereof
CN105776498A (en) * 2016-03-07 2016-07-20 浙江工业大学 Method for removing anti-tumor medicine in water through catalytic ozonation of magnetic ordered mesopore nickel ferrite
CN106669727A (en) * 2016-12-28 2017-05-17 华南理工大学 Preparation method and application of sludge carbonization and modification magnetic nanometer material capable of activating persulfate to realize printing and dyeing wastewater treatment
CN108483517A (en) * 2018-04-03 2018-09-04 山东大学 A kind of ferrous acid nickel nano film and its preparation method and application
CN108483517B (en) * 2018-04-03 2020-01-03 山东大学 Nickel ferrite nanosheet and preparation method and application thereof
CN109046368A (en) * 2018-07-02 2018-12-21 大唐(北京)水务工程技术有限公司 A kind of coal chemical industrial waste water deep oxidation catalyst and preparation method thereof
CN110479282A (en) * 2019-08-13 2019-11-22 北京航空航天大学 A kind of preparation method and application of the Ni substrate load ferrous acid nickel-nickel oxide composite catalyst of catalytic ozonation Organic substance in water
CN110479282B (en) * 2019-08-13 2020-09-22 北京航空航天大学 Preparation method and application of nickel-based body-loaded nickel ferrite-nickel oxide composite catalyst for catalyzing and ozonizing organic matters in water
CN110342725A (en) * 2019-08-19 2019-10-18 中国十七冶集团有限公司 A kind of emergency method for strengthening in-situ treatment black and odorous water

Also Published As

Publication number Publication date
CN102863070B (en) 2014-11-19

Similar Documents

Publication Publication Date Title
CN102863070B (en) Ozonization water treatment method with NiFe2O4 magnetic nanometer material as catalyst
An et al. Efficient degradation of organic pollutants by catalytic ozonation and photocatalysis synergy system using double-functional MgO/g-C3N4 catalyst
Yao et al. Preparation of reduced graphene oxide nanosheet/FexOy/nitrogen-doped carbon layer aerogel as photo-Fenton catalyst with enhanced degradation activity and reusability
Vasseghian et al. Graphene-based materials for metronidazole degradation: A comprehensive review
Dhivya et al. Synthesis of titanium based hetero MOF photocatalyst for reduction of Cr (VI) from wastewater
Zhang et al. Photocatalytic degradation of rhodamine B by Bi2O3@ LDHs S–scheme heterojunction: Performance, kinetics and mechanism
Liang et al. Occurrence of bisphenol A in surface and drinking waters and its physicochemical removal technologies
CN104710002A (en) Two-stage micro/nano aeration and catalytic ozonation wastewater treatment system
Ma et al. Improved degradation of tetracycline by Cu-doped MIL-101 (Fe) in a coupled photocatalytic and persulfate oxidation system: Efficiency, mechanism, and degradation pathway
Li et al. Singlet oxygen-oriented degradation of sulfamethoxazole by Li–Al LDH activated peroxymonosulfate
Khalfaoui-Boutoumi et al. Synthesis and characterization of TiO2–Montmorillonite/Polythiophene-SDS nanocomposites: Application in the sonophotocatalytic degradation of rhodamine 6G
Ghime et al. Heterogeneous Fenton degradation of oxalic acid by using silica supported iron catalysts prepared from raw rice husk
CN102249395A (en) Water ozonization treatment method by taking cerium oxide nanomaterial as catalyst
Gao et al. Enhanced photocatalytic activation of peroxymonosulfate by CeO2 incorporated ZnCo–layered double hydroxide toward organic pollutants removal
CN107469834A (en) A kind of ZnS/CuS nanometer sheets composite photo-catalyst preparation method
Pan et al. Electron-rich CNTs modified FeOCl/Fe2O3 with improved Fenton catalytic performance
CN108722445B (en) A kind of ultra-thin BiOX based solid solution photochemical catalyst and its preparation method and application
González-González et al. Nanohybrid catalysts with porous structures for environmental remediation through photocatalytic degradation of emerging pollutants
CN105566400A (en) Heterogeneous cobalt metal-organic skeleton and preparation and application to wastewater treatment field
CN102976475B (en) Ozonization water treatment method by taking fluorine-doped manganese dioxide nano composite material as catalyst
Gao et al. Catalytic ozonation of sulfamethoxazole by composite iron-manganese silicate oxide: cooperation mechanism between adsorption and catalytic reaction
CN106362754A (en) Iron sodium bismuthate-graphene visible-light-driven Fenton-like composite catalyst used for removing nonyl phenol and preparation method thereof
Sun et al. Application of visible light active photocatalysis for water contaminants: A review
Gao et al. Co3O4@ Fe3O4/cellulose blend membranes for efficient degradation of perfluorooctanoic acid in the visible light-driven photo-Fenton system
Liu et al. Carbon-doped Co3O4-MgO catalyzed peroxymonosulfate activation via an enhanced Co (III)/Co (II) cycle for rapid chloramphenicol degradation

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant