CN108079993A - The preparation method of ferrous oxide/cuprous nano composite material - Google Patents

The preparation method of ferrous oxide/cuprous nano composite material Download PDF

Info

Publication number
CN108079993A
CN108079993A CN201711444507.6A CN201711444507A CN108079993A CN 108079993 A CN108079993 A CN 108079993A CN 201711444507 A CN201711444507 A CN 201711444507A CN 108079993 A CN108079993 A CN 108079993A
Authority
CN
China
Prior art keywords
preparation
composite material
ferrous oxide
nano composite
cuprous
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
CN201711444507.6A
Other languages
Chinese (zh)
Other versions
CN108079993B (en
Inventor
张建
刘国栋
吴思奇
毕旺杰
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.)
Shandong Copolymer Silicone Technology Research Institute Co ltd
Original Assignee
Jining 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 Jining University filed Critical Jining University
Priority to CN201711444507.6A priority Critical patent/CN108079993B/en
Publication of CN108079993A publication Critical patent/CN108079993A/en
Application granted granted Critical
Publication of CN108079993B publication Critical patent/CN108079993B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B01J23/74Iron group metals
    • B01J23/745Iron
    • 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
    • B01J23/002Mixed oxides other than spinels, e.g. perovskite
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00Nanotechnology for materials or surface science, e.g. nanocomposites
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00Manufacture or treatment of nanostructures
    • 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
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/722Oxidation by peroxides
    • 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
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/725Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • 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
    • C02F2305/02Specific form of oxidant
    • C02F2305/026Fenton's reagent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Materials Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Catalysts (AREA)

Abstract

The preparation method of ferrous oxide of the present invention/cuprous nano composite material, belongs to technical field of preparation for inorganic material, by iron salt dissolved in water, obtains iron salt solutions;Metallic copper is added in above-mentioned iron salt solutions, persistently stirs 5 30min;Above-mentioned solution is placed in reaction kettle, 0.5 8h is reacted at a temperature of 80 150 DEG C;Step 3) products therefrom detergent is washed 13 times, then dry 2 12h at a temperature of 0 120 DEG C.The present invention utilizes simple step low-temperature hydrothermal method, does not add organic solvent, a step can prepare ferrous oxide/cuprous oxide composite nano materials, and particle and composition are controllable, of low cost, solve the problems, such as that composite material preparation process is complicated and of high cost;Preparation method is easy, and environmental sound, suitable for large-scale industrial production, application prospect is extensive;Products obtained therefrom is had excellent performance, and as Fenton reaction reagents, excellent catalytic performance, catalytic activity enhancing can be shown under pH neutral, room temperature and sunlight, structural stability improves.

Description

The preparation method of ferrous oxide/cuprous nano composite material
Technical field
The invention belongs to technical field of preparation for inorganic material, and in particular to a kind of ferrous oxide/cuprous nano is compound The preparation method of material.
Background technology
With the fast development of human society, energy shortage and environmental pollution increasingly threaten the existence of the mankind.At present, Organic wastewater, which exists, is difficult to the shortcomings that biodegradable, toxicity is big and is difficult to be degraded with conventional method.People pass through long-term effort, The method of many sewage purifications, such as physical absorption, chemical reaction and biodegradation etc. are had been set up, but to organic in sewage The shortcomings of processing of pollutant still remains that degradation is not thorough, catalyst is of high cost, dosage is big and is costly.With the world and state Reinforcement of the family to environmental protection dynamics, it is necessary to explore efficient, harmless and new catalysts materials.
In numerous catalyst materials, using sunlight in water organic contamination carry out degradation treatment photochemical catalyst into For a kind of effective method, the concern of people is increasingly received.Photo Fenton is as one in advanced oxidation technology Kind, the active group with strong oxidizing property generated by the use of luminous energy as driving, iron ion catalysis hydrogen peroxide can be to having in water Organic pollutants carry out degradable, become carbon dioxide, water and inorganic salts of environmental sound etc., have it is cheap, conveniently, to ring The advantages that border is harmless and is easy to industrialization, is concerned.Cuprous oxide is a kind of typical p-type semiconductor, has unique light Performance is learned, light-catalyzed reaction can be triggered under sunlight, caused the attention of numerous researchers.At present, people have tasted Pilot production prepares cuprous oxide material with certain methods, such as patent of invention (CN107162038A) reports and a kind of utilizes aeroponics The method for preparing cuprous oxide;Patent of invention (CN106423166A) reports a kind of utilization organic reducing agent and prepares cuprous oxide Method;Patent of invention (CN105836787A) reports a kind of method that cuprous oxide is prepared using Organoalkyl amine.But There are the shortcomings that preparation process is complicated, high organic content is difficult to remove, the cost of product is considerably increased.Meanwhile it aoxidizes sub- Iron also shows very excellent effect as Fenton reagent.Single metal oxide is still difficult to meet wanting for practical application It asks, composite catalyst can solve many deficiencies of one-component catalyst, therefore ferrous oxide/cuprous oxide based composites exhibition Reveal the performance more excellent than single cuprous oxide or ferrous oxide.Using simple and cheap raw material, easy one Footwork prepares ferrous oxide/cuprous oxide composite nano materials, becomes the difficult point of current scientific research and production application.
The content of the invention
The object of the present invention is to provide a kind of preparation methods of ferrous oxide/cuprous nano composite material, utilize one It walks simple hydrothermal reaction at low temperature and is prepared for ferrous oxide/cuprous oxide composite material, the grain diameter and composition of composite construction can Control, improves the stability of catalytic performance and structure, and the preparation method technological process is simple, at low cost and suitable scale metaplasia Production.
To achieve these goals, the technical solution adopted by the present invention is:
The preparation method of ferrous oxide of the present invention/cuprous nano composite material, using molysite and metallic copper as raw material, profit The composite material of composition and size tunable is prepared with the redox reaction between the two and a step low-temperature hydrothermal method.
The preparation method of ferrous oxide of the present invention/cuprous nano composite material, comprises the following steps:
1) by iron salt dissolved in water, iron salt solutions, controlled concentration 2.5*10 are obtained-3-7.5*10-2mol/L;
2) metallic copper is added in above-mentioned iron salt solutions, persistently stirs 5-30min;
3) above-mentioned solution is placed in reaction kettle, 0.5-8h is reacted at a temperature of 80-150 DEG C;
4) step 3) products therefrom detergent is washed 1-3 times, then the dry 2-12h at a temperature of 0-120 DEG C.
Molysite is one or more combinations in iron chloride, ferric nitrate or ferric sulfate.
Metallic copper is one or more combinations in copper powder, copper sheet or foam copper.
The amount for controlling iron ion on metallic copper is 1*10-5mol/cm2-3*10-4mol/cm2
Detergent described in step 4) is water, ethyl alcohol or acetone.
Beneficial effects of the present invention are:
(1) present invention utilizes simple step low-temperature hydrothermal method, does not add organic solvent, it is sub- that a step can prepare oxidation Iron/cuprous oxide composite nano materials, particle and composition are controllable, of low cost, solve composite material preparation process complexity And the problem of of high cost.
(2) preparation method is easy, and environmental sound, suitable for large-scale industrial production, application prospect is extensive.
(3) ferrous oxide/cuprous oxide composite nano materials prepared by are had excellent performance, as Fenton reaction reagents, Excellent catalytic performance, catalytic activity enhancing can be shown under pH neutral, room temperature and sunlight, structural stability improves.
Description of the drawings
Fig. 1 is the XRD diagram of ferrous oxide/cuprous oxide in embodiment 1;
Fig. 2 is the SEM figures of ferrous oxide/cuprous oxide in embodiment 1;
Fig. 3 is dye molecule degradation figure in embodiment 1.
Specific embodiment
With reference to embodiment, the present invention will be further described, but not limited to this.
Degradation product is the methylene blue of 5mg/L and rhdamine B mixed solution (respectively accounting for 50wt%).
Embodiment 1
The preparation method of ferrous oxide of the present invention/cuprous nano composite material, ferric trichloride is dissolved in In water, concentration 0.01mol/L;Metal copper sheet is added in liquor ferri trichloridi, persistently stir 15 minutes, on copper sheet iron from The amount of son is 1*10-4mol/cm2, then it is fitted into reaction kettle when 100 DEG C of reaction 5 is small;Products therefrom is washed 3 with ethyl alcohol It is secondary, when 90 DEG C of drying 8 is small.
Understand that product is ferrous oxide/cuprous oxide composite material by the crystal structure diffraction pattern of Fig. 1.Fig. 2 is understood, is aoxidized Ferrous iron/cuprous oxide composite nanostructure is spheric granules, and average grain diameter is about 80 nanometers.0.05g ferrous oxides/oxidation is sub- Carbon/carbon-copper composite material is added in 100mL methylene blues and rhdamine B mixed solution (concentration 5mg/L), is stirred in dark After 40min, add in 0.5mL hydrogen peroxide (concentration 30wt%) and carry out degradation experiment.From degradations of the Fig. 3 to rhodamine B, oxygen Changing ferrous iron/cuprous oxide composite material can degradable organic pollution in 30min.
Embodiment 2
As described in Example 1, except that adding in ferric nitrate.Gained ferrous oxide/cuprous oxide composite material is put down Equal grain size is 90 nanometers, to the degradation of organic matter up to 100% in 30min.
Embodiment 3
As described in Example 1, except that adding in ferric sulfate.Gained ferrous oxide/cuprous oxide composite material is put down Equal grain size is 100 nanometers, in 30min to the degradation of organic matter up to 100%.
Embodiment 4
As described in Example 1, except that the concentration of liquor ferri trichloridi is 0.005mol/L.Gained ferrous oxide/ The average grain diameter of cuprous oxide composite material is 75 nanometers, in 30min to the degradation of organic matter up to 100%.
Embodiment 5
As described in Example 1, except that the concentration of liquor ferri trichloridi is 0.05mol/L.Gained ferrous oxide/oxygen Change the average grain diameter of cuprous composite material as 110 nanometers, in 30min to the degradation of organic matter up to 95%.
Embodiment 6
As described in Example 1, except that adding in foam copper.Gained ferrous oxide/cuprous oxide composite material is put down Equal grain size is 60 nanometers, in 30min to the degradation of organic matter up to 100%.
Embodiment 7
As described in Example 1, except that adding in foam copper.Gained ferrous oxide/cuprous oxide composite material is put down Equal grain size is 65 nanometers, in 30min to the degradation of organic matter up to 100%.
Embodiment 8
As described in Example 1, except that the amount of iron ion is 2*10 on copper sheet-5mol/cm2.Gained ferrous oxide/ The average grain diameter of cuprous oxide composite material is 70 nanometers, in 30min to the degradation of organic matter up to 100%.
Embodiment 9
As described in Example 1, except that in reaction kettle when 80 DEG C of reaction 7 is small.Gained ferrous oxide/oxidation is sub- The average grain diameter of carbon/carbon-copper composite material is 65 nanometers, in 30min to the degradation of organic matter up to 100%.
Embodiment 10
As described in Example 1, except that in reaction kettle when 140 DEG C of reaction 3 is small.Gained ferrous oxide/oxidation The average grain diameter of cuprous composite material is 95 nanometers, in 30min to the degradation of organic matter up to 100%.

Claims (6)

1. a kind of preparation method of ferrous oxide/cuprous nano composite material, which is characterized in that using molysite and metallic copper as The composite wood of composition and size tunable is prepared using the redox reaction between the two and a step low-temperature hydrothermal method for raw material Material.
2. the preparation method of ferrous oxide according to claim 1/cuprous nano composite material, which is characterized in that Comprise the following steps:
1) by iron salt dissolved in water, iron salt solutions, controlled concentration 2.5*10 are obtained-3-7.5*10-2mol/L;
2) metallic copper is added in above-mentioned iron salt solutions, persistently stirs 5-30min;
3) above-mentioned solution is placed in reaction kettle, 0.5-8h is reacted at a temperature of 80-150 DEG C;
4) step 3) products therefrom detergent is washed 1-3 times, then the dry 2-12h at a temperature of 0-120 DEG C.
3. the preparation method of ferrous oxide according to claim 1 or 2/cuprous nano composite material, feature exist In molysite is one or more combinations in iron chloride, ferric nitrate or ferric sulfate.
4. the preparation method of ferrous oxide according to claim 1 or 2/cuprous nano composite material, feature exist In metallic copper is one or more combinations in copper powder, copper sheet or foam copper.
5. the preparation method of ferrous oxide according to claim 2/cuprous nano composite material, which is characterized in that In step 2), the amount for controlling iron ion on metallic copper is 1*10-5mol/cm2-3*10-4mol/cm2
6. the preparation method of ferrous oxide according to claim 2/cuprous nano composite material, which is characterized in that Detergent described in step 4) is water, ethyl alcohol or acetone.
CN201711444507.6A 2017-12-27 2017-12-27 Preparation method of ferrous oxide/cuprous oxide nano composite material Active CN108079993B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711444507.6A CN108079993B (en) 2017-12-27 2017-12-27 Preparation method of ferrous oxide/cuprous oxide nano composite material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711444507.6A CN108079993B (en) 2017-12-27 2017-12-27 Preparation method of ferrous oxide/cuprous oxide nano composite material

Publications (2)

Publication Number Publication Date
CN108079993A true CN108079993A (en) 2018-05-29
CN108079993B CN108079993B (en) 2021-01-05

Family

ID=62179681

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711444507.6A Active CN108079993B (en) 2017-12-27 2017-12-27 Preparation method of ferrous oxide/cuprous oxide nano composite material

Country Status (1)

Country Link
CN (1) CN108079993B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111135830A (en) * 2020-01-14 2020-05-12 江苏海洋大学 Simple and green preparation method and application of micro-nano powder with copper and cuprous oxide composite structure
CN111193012A (en) * 2020-01-08 2020-05-22 四川大学 Hollow porous cuprous oxide-cupric oxide-ferric oxide cubic lithium ion battery cathode and one-step preparation method thereof
CN113769742A (en) * 2021-07-28 2021-12-10 同济大学 Copper mesh integrated Cu2Preparation method of O @ FeO nano array
CN115072856A (en) * 2022-04-27 2022-09-20 赣南医学院 Application of copper-iron-oxygen nanoenzyme in removing colored printing and dyeing dye and kit for removing printing and dyeing dye

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6673738B2 (en) * 2001-11-28 2004-01-06 K.K. Ueda Shikimono Kojyo Photocatalytic active carbon, colored photocatalytic active carbon, coloring active carbon, and deodorant and adsorption product using them
CN101204652A (en) * 2007-12-19 2008-06-25 中国科学院上海硅酸盐研究所 High efficiency semiconductor photocatalysis and preparation method thereof
CN104001519A (en) * 2014-06-12 2014-08-27 淮北师范大学 Method for preparing Cu2O/Bi2O3 nanometer compound photocatalysts in indoor temperature solid-phase one-step mode
CN105312055A (en) * 2015-11-26 2016-02-10 江苏大学 Preparation method and application of Fenton-like catalyst

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6673738B2 (en) * 2001-11-28 2004-01-06 K.K. Ueda Shikimono Kojyo Photocatalytic active carbon, colored photocatalytic active carbon, coloring active carbon, and deodorant and adsorption product using them
CN101204652A (en) * 2007-12-19 2008-06-25 中国科学院上海硅酸盐研究所 High efficiency semiconductor photocatalysis and preparation method thereof
CN104001519A (en) * 2014-06-12 2014-08-27 淮北师范大学 Method for preparing Cu2O/Bi2O3 nanometer compound photocatalysts in indoor temperature solid-phase one-step mode
CN105312055A (en) * 2015-11-26 2016-02-10 江苏大学 Preparation method and application of Fenton-like catalyst

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
冯晨: "几种铜基可见光催化剂的制备及其光催化性能的研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111193012A (en) * 2020-01-08 2020-05-22 四川大学 Hollow porous cuprous oxide-cupric oxide-ferric oxide cubic lithium ion battery cathode and one-step preparation method thereof
CN111193012B (en) * 2020-01-08 2021-02-19 四川大学 Hollow porous cuprous oxide-cupric oxide-ferric oxide cubic lithium ion battery cathode and one-step preparation method thereof
CN111135830A (en) * 2020-01-14 2020-05-12 江苏海洋大学 Simple and green preparation method and application of micro-nano powder with copper and cuprous oxide composite structure
CN113769742A (en) * 2021-07-28 2021-12-10 同济大学 Copper mesh integrated Cu2Preparation method of O @ FeO nano array
CN113769742B (en) * 2021-07-28 2023-11-17 同济大学 Copper mesh integrated Cu 2 Preparation method of O@FeO nano array
CN115072856A (en) * 2022-04-27 2022-09-20 赣南医学院 Application of copper-iron-oxygen nanoenzyme in removing colored printing and dyeing dye and kit for removing printing and dyeing dye

Also Published As

Publication number Publication date
CN108079993B (en) 2021-01-05

Similar Documents

Publication Publication Date Title
CN103433060B (en) Core-shell TiO2/ZnIn2S4 composite photocatalyst and preparation method and application thereof
CN108079993A (en) The preparation method of ferrous oxide/cuprous nano composite material
CN107376968B (en) Tungstic acid/double Z shaped photochemical catalyst of carbonitride/bismuth oxide and its preparation method and application
CN103801294B (en) A kind of activated carbon-loaded cuprous oxide photocatalyst and method thereof
CN101972645B (en) Preparation method of visible light response type semiconductor photocatalyst bismuth vanadate
CN102718263B (en) Method for preparing fluorine-mixed bismuth tungstate powder through microwave hydrothermal method
CN104258885B (en) A kind of preparation method of sheet hydroxyl cupric phosphate nano material
CN109939643A (en) α-Fe2O3Adulterate the preparation method and applications of charcoal
CN106881111A (en) Composite bismuth vanadium photocatalyst of cuprous oxide and silver-colored mutual load and its preparation method and application
CN108686649A (en) A kind of Mn based on absorbent cotton biomorph3O4/ ZnO/ACFs micro motors photochemical catalyst and its application
CN101816943A (en) High-efficiency nano silver/silver bromide sunshine photocatalytic material and preparation method thereof
CN107029786A (en) A kind of magnetic composite photocatalyst Ppy@CdS/ZnFe2O4And its production and use
CN109225344A (en) Complex light fenton catalyst and its preparation method and application for dyeing waste water of degrading
CN105056986B (en) A kind of method and catalyst applications for preparing lamellar hydroxyl bismuth subnitrate photocatalyst
CN111054403B (en) Bismuth tungstate/lead cesium bromide quantum dot composite photocatalyst and preparation method and application thereof
CN104998666B (en) A kind of method and catalyst applications for preparing bowknot shape fluorine oxygen bismuth photochemical catalyst
CN104368369B (en) A kind of preparation method of silver phosphate-cadmium sulfide compounded visible light photocatalyst
CN108940348A (en) Siliver chromate/sulphur mixes carbonitride Z-type photochemical catalyst and preparation method thereof
CN105771988A (en) Method for preparing high-catalytic-activity hierarchical structure silver molybdate
CN102921438B (en) Preparation for silver phosphate nano ball-graphene composite material and photocatalysis application
CN108940349A (en) The method of carbonitride Z-type photochemical catalyst removal dyestuff contaminant is mixed using siliver chromate/sulphur
CN104801320B (en) Bismuthyl fluorite photochemical catalyst and preparation method thereof
CN107555526A (en) A kind of method of composite visible light catalyst processing waste water containing chrome
CN102580727A (en) Preparation method of active carbon loaded titanium dioxide silver-doped photochemical catalyst
CN101530789B (en) Nanometer titanium dioxide compound photocatalyst and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20240112

Address after: 262600 No. 008, Ying Long Road, Longshan hi tech Industrial Park, Linqu, Weifang, Shandong

Patentee after: Shandong copolymer silicone Technology Research Institute Co.,Ltd.

Address before: No.16 Haichuan Road, Jining high tech Zone, Shandong Province, 272001

Patentee before: JINING University

TR01 Transfer of patent right