WO2008108016A1 - Nitrogen-fixing material, process for producing the same, and method of fixing nitrogen - Google Patents

Nitrogen-fixing material, process for producing the same, and method of fixing nitrogen Download PDF

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Publication number
WO2008108016A1
WO2008108016A1 PCT/JP2007/067977 JP2007067977W WO2008108016A1 WO 2008108016 A1 WO2008108016 A1 WO 2008108016A1 JP 2007067977 W JP2007067977 W JP 2007067977W WO 2008108016 A1 WO2008108016 A1 WO 2008108016A1
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WO
WIPO (PCT)
Prior art keywords
nitrogen
contact
inorganic oxide
oxide semiconductor
semiconductor
Prior art date
Application number
PCT/JP2007/067977
Other languages
French (fr)
Japanese (ja)
Inventor
Katsuyoshi Hoshino
Satoshi Shiba
Original Assignee
National University Corporation Chiba 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 National University Corporation Chiba University filed Critical National University Corporation Chiba University
Publication of WO2008108016A1 publication Critical patent/WO2008108016A1/en

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36—Compounds of titanium
    • C09C1/3607—Titanium dioxide
    • C09C1/3669—Treatment with low-molecular organic compounds
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/06—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of zinc, cadmium or mercury
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39—Photocatalytic properties
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • B01J37/0219—Coating the coating containing organic compounds
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • B01J37/0225—Coating of metal substrates
    • B01J37/0226—Oxidation of the substrate, e.g. anodisation
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
    • B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
    • B01J37/342—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of electric, magnetic or electromagnetic fields, e.g. for magnetic separation
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/24—Nitrogen compounds
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
    • B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
    • B01J37/343—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of ultrasonic wave energy
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/40—Electric properties
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Toxicology (AREA)
  • Catalysts (AREA)

Abstract

A composite material comprising a photocatalytically active inorganic oxide semiconductor and a conductive polymer in contact with the semiconductor. It has a significantly improved nitrogen fixation efficiency. A photocatalytic composite material obtained by combining an inorganic oxide semiconductor having a photocatalytic function with a solvent-soluble or solvent-dispersible conductive polymer so that the polymer is in contact with the semiconductor is irradiated with light to fix nitrogen gas in air in the form of an ammonium salt and ammonia. For bringing a conductive polymeric material into contact with a photocatalytically active inorganic oxide semiconductor, the technique of applying a coating fluid may be used in order to inhibit a decrease in the number density of oxygen-deficient sites, which play a role in a nitrogen fixation reaction.
PCT/JP2007/067977 2007-03-08 2007-09-14 Nitrogen-fixing material, process for producing the same, and method of fixing nitrogen WO2008108016A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-058585 2007-03-08
JP2007058585A JP5401666B2 (en) 2007-03-08 2007-03-08 Nitrogen fixing material, method for producing the same, and nitrogen fixing method

Publications (1)

Publication Number Publication Date
WO2008108016A1 true WO2008108016A1 (en) 2008-09-12

Family

ID=39737918

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/067977 WO2008108016A1 (en) 2007-03-08 2007-09-14 Nitrogen-fixing material, process for producing the same, and method of fixing nitrogen

Country Status (2)

Country Link
JP (1) JP5401666B2 (en)
WO (1) WO2008108016A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015114712A1 (en) * 2014-01-28 2015-08-06 株式会社デンソー Nitrogen fixation material

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8986514B2 (en) 2009-09-04 2015-03-24 National University Corporation Hokkaido University Photoreduction catalyst, and method for synthesizing ammonia and method for decreasing nitrogen oxides in water using the same
JP5225337B2 (en) * 2010-07-28 2013-07-03 財団法人國家實驗研究院 Composite materials that can expand the light absorption range of the original structural material
JP5725530B2 (en) * 2010-09-03 2015-05-27 国立大学法人 千葉大学 Nitrogen immobilization material and nitrogen immobilization method using the same
WO2012093632A1 (en) * 2011-01-07 2012-07-12 サスティナブル・テクノロジー株式会社 Method for protection of surface of base body
JP2014151290A (en) * 2013-02-12 2014-08-25 Denso Corp Ammonia-producing catalyst
JP2014151291A (en) * 2013-02-12 2014-08-25 Denso Corp Ammonia-producing catalyst
JP2015120118A (en) 2013-12-24 2015-07-02 株式会社デンソー Ammonia synthesis catalyst

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56169124A (en) * 1980-05-30 1981-12-25 Toray Ind Inc Synthesizing method for ammonia
JP2001072985A (en) * 1999-09-02 2001-03-21 Katsuyoshi Hoshino Method for fixing atmospheric nitrogen using composite material of titanium oxide and conductive polymer
JP2001170493A (en) * 1999-12-13 2001-06-26 Natl Inst Of Advanced Industrial Science & Technology Meti Production of high performance photocatalyst
JP2003200057A (en) * 2002-01-11 2003-07-15 Japan Science & Technology Corp High efficiency atmospheric nitrogen fixation compounded photocatalytic material composed of visible ray responsible titanium oxide/conductive polymer compounded material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56169124A (en) * 1980-05-30 1981-12-25 Toray Ind Inc Synthesizing method for ammonia
JP2001072985A (en) * 1999-09-02 2001-03-21 Katsuyoshi Hoshino Method for fixing atmospheric nitrogen using composite material of titanium oxide and conductive polymer
JP2001170493A (en) * 1999-12-13 2001-06-26 Natl Inst Of Advanced Industrial Science & Technology Meti Production of high performance photocatalyst
JP2003200057A (en) * 2002-01-11 2003-07-15 Japan Science & Technology Corp High efficiency atmospheric nitrogen fixation compounded photocatalytic material composed of visible ray responsible titanium oxide/conductive polymer compounded material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SATOSHI SHIBA ET AL.: "Kayosei Dodensei Polymer/ Sanka Titanium Setsugo o Mochiita Kuchu Chisso Kotei", ABSTRACTS OF AUTUMN MEETING OF THE ELECTROCHEMICAL SOCIETY OF JAPAN, 14 September 2006 (2006-09-14), pages 15 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015114712A1 (en) * 2014-01-28 2015-08-06 株式会社デンソー Nitrogen fixation material

Also Published As

Publication number Publication date
JP2008221037A (en) 2008-09-25
JP5401666B2 (en) 2014-01-29

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