WO2009082989A1 - Method for production of photocatalytically active titanium oxide for uv and visible region o light spectrum - Google Patents

Method for production of photocatalytically active titanium oxide for uv and visible region o light spectrum Download PDF

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Publication number
WO2009082989A1
WO2009082989A1 PCT/CZ2008/000150 CZ2008000150W WO2009082989A1 WO 2009082989 A1 WO2009082989 A1 WO 2009082989A1 CZ 2008000150 W CZ2008000150 W CZ 2008000150W WO 2009082989 A1 WO2009082989 A1 WO 2009082989A1
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WO
WIPO (PCT)
Prior art keywords
titanium oxide
production
visible region
photocatalytically active
production according
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.)
Ceased
Application number
PCT/CZ2008/000150
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English (en)
French (fr)
Inventor
Vaclav Stengl
Zbynek Cerny
Jana Bludska
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Institute of Inorganic Chemistry CAS
Original Assignee
Institute of Inorganic Chemistry CAS
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 Institute of Inorganic Chemistry CAS filed Critical Institute of Inorganic Chemistry CAS
Publication of WO2009082989A1 publication Critical patent/WO2009082989A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
    • C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts
    • 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
    • B01J21/063—Titanium; 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • 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
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/20—Vanadium, niobium or tantalum
    • 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
    • B01J37/03—Precipitation; Co-precipitation
    • B01J37/031—Precipitation
    • B01J37/033—Using Hydrolysis
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
    • C01P2002/54—Solid solutions containing elements as dopants one element only

Definitions

  • the patent regards the method for production of photocatalytically active titanium oxide for the UV and visible region of light spectrum.
  • titanium oxide At the moment, the most common photocatalyzer is titanium oxide. After UV radiation illumination, a hole-electron pair originates on the surface and the consequence of this excitation is the origination of highly reactive OH radicals, which are able to break down organic compounds into the final products of mineralization - water and carbon dioxide.
  • Commercially available titanium oxide for photocatalysis is currently produced by hydrolysis of TiCl 4 . This process is very demanding in terms of cost and technical process. For applications of photocatalysis, cheap forms of titanium oxide have to be found, which, by means of dopants, increase photo-activity in the UV region or move photo-activity in the visible region of the light spectrum.
  • the aim of this patent is a simple method for production of price-available photocatalytically active titanium oxide; the principle of this method for production is that, in a water environment, titanyl sulphate (TiOSO 4 ) is hydrolyzed by thioacetamide or urea at a temperature of 40 - 100 °C and the acquired product dries at temperatures up to 120 °C. The dried product is further annealed at temperatures up to 1000 °C in oxygen atmosphere or air. Titanyl sulphate can be also hydrolyzed by hexamethyltetr amine.
  • TiOSO 4 titanyl oxide
  • a 5-liter beaker with 3 liters of distilled water acidified with concentrated sulphuric acid.
  • the solution was diluted to a total volume of 4 liters and 100 g of thioacetamide was added.
  • the solution was boiled under continuous stirring and maintained at this temperature for 6 hours.
  • the product was decanted by water, filtered and dried at 120 °C.
  • the acquired product was annealed in a furnace in an oxygen atmosphere at 700 °C.
  • the acquired product is a white, very fine, loose powder; according to X- ray powder diffraction, it is anatase modification of titanium oxide, active in the UV region.
  • TiOSO 4 titanyl oxide
  • the acquired product was annealed in a furnace in an oxygen atmosphere at 500 0 C.
  • the acquired product is a white, very fine, loose powder; according to X-ray powder diffraction, it is anatase modification of titanium oxide doped with zinc oxide. Zinc oxide doping increases photo-activity in the UV region.
  • TiOSO 4 titanyl oxide
  • Ce 2 (SO 4 ) 3 cerium sulphate
  • the solution was diluted to a total volume of 4 liters and 100 g of thioacetamide was added.
  • the solution was boiled under continuous stirring and maintained at this temperature for 3 hours.
  • the acquired product was annealed in a furnace in an oxygen atmosphere at 500 °C.
  • the acquired product is a white, very fine, loose powder; according to X-ray powder diffraction, it is anatase modification of titanium oxide doped with cerium oxide. Cerium oxide doping moves the photo-activity to the visible region.
  • TiOSO 4 titanyl oxide
  • neodymium oxide neodymium oxide was dissolved in a 5-liter beaker with 3 liters of distilled water acidified with concentrated sulphuric acid.
  • 1 g of neodymium oxide was dissolved in a minimum quantity of diluted hydrochloric acid (1 :1) and added to the reaction solution.
  • the solution was diluted to a total volume of 4 liters and 100 g of thioacetamide was added.
  • the solution was boiled under continuous stirring and maintained at this temperature for 3 hours.
  • the product was decanted by water, filtered and dried at 120 °C.
  • the acquired product was annealed in a furnace in an oxygen atmosphere at 500 0 C.
  • the acquired product is a white, very fine, loose powder; according to X-ray powder diffraction, it is anatase modification of titanium oxide doped with neodymium oxide. Neodymium oxide doping moves the photo-activity to the visible region.
  • the method for production of photocatalytically active titanium oxide can be used for the production of pigments used in self-cleansing paints or as a refill for AC units for air-cleansing or for volume-cleansing of water.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
PCT/CZ2008/000150 2008-01-03 2008-12-15 Method for production of photocatalytically active titanium oxide for uv and visible region o light spectrum Ceased WO2009082989A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CZ20080004A CZ301406B6 (cs) 2008-01-03 2008-01-03 Zpusob výroby fotokatalyticky aktivního oxidu titanicitého pro viditelnou oblast svetelného spektra
CZPV2008-4 2008-01-03

Publications (1)

Publication Number Publication Date
WO2009082989A1 true WO2009082989A1 (en) 2009-07-09

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PCT/CZ2008/000150 Ceased WO2009082989A1 (en) 2008-01-03 2008-12-15 Method for production of photocatalytically active titanium oxide for uv and visible region o light spectrum

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CZ (1) CZ301406B6 (cs)
WO (1) WO2009082989A1 (cs)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101984501A (zh) * 2010-09-27 2011-03-09 彩虹集团公司 一种染料敏化太阳能电池用二氧化钛复合浆料的制备方法
RU2509727C2 (ru) * 2011-12-30 2014-03-20 Учреждение Российской академии наук Институт химии твердого тела Уральского отделения РАН Способ получения нанопорошка сложного оксида циркония, иттрия и титана
CN108187651A (zh) * 2017-12-28 2018-06-22 山东纳安环保科技有限公司 一种载锌纳米二氧化钛的制备方法和应用
CN113042028A (zh) * 2021-03-26 2021-06-29 福州大学 一种固载型Y,Yb双掺二氧化钛多孔薄膜的制备方法
US11753309B2 (en) 2018-08-30 2023-09-12 Tayca Corporation Titanyl sulfate hydrate powder, method for producing titanyl sulfate hydrate powder, method for producing aqueous titanyl sulfate solution, method of producing electrolyte solution, and method for producing redox flow battery

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999043616A1 (en) * 1998-02-24 1999-09-02 Rotem Amfert Negev Ltd. A modified titanium dioxide and a method for its preparation
EP1443023A1 (en) * 2003-01-31 2004-08-04 Sumitomo Chemical Company, Limited A method for producing titanium oxide

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06293519A (ja) * 1992-07-28 1994-10-21 Ishihara Sangyo Kaisha Ltd 酸化チタンの粒子と膜の製造方法
CZ20002814A3 (cs) * 2000-08-02 2002-03-13 Ústav anorganické chemie AV ČR Způsob výroby fotokatalyticky aktivní titanové běloby
CZ293952B6 (cs) * 2001-07-26 2004-08-18 Ústaváanorganickéáchemieáaváčr Fotokatalyticky aktivní kompozit a způsob jeho výroby

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999043616A1 (en) * 1998-02-24 1999-09-02 Rotem Amfert Negev Ltd. A modified titanium dioxide and a method for its preparation
EP1443023A1 (en) * 2003-01-31 2004-08-04 Sumitomo Chemical Company, Limited A method for producing titanium oxide

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
AITA Y ET AL: "Phase-compositional control and visible light photocatalytic activity of nitrogen-doped titania via solvothermal process", JOURNAL OF SOLID STATE CHEMISTRY, ORLANDO, FL, US, vol. 177, no. 9, 1 September 2004 (2004-09-01), pages 3235 - 3238, XP004537302, ISSN: 0022-4596 *
BAKARDJIEVA S ET AL: "Photoactivity of anatase-rutile TiO2 nanocrystalline mixtures obtained by heat treatment of homogeneously precipitated anatase", APPLIED CATALYSIS B: ENVIRONMENTAL, ELSEVIER, vol. 58, no. 3-4, 28 June 2005 (2005-06-28), pages 193 - 202, XP025331959, ISSN: 0926-3373, [retrieved on 20050628] *
DANEK ET AL: "Nanodispersive mixed oxides for destruction of warfare agents prepared by homogeneous hydrolysis with urea", JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, PERGAMON PRESS, LONDON, GB, vol. 68, no. 5-6, 1 May 2007 (2007-05-01), pages 707 - 711, XP022122129, ISSN: 0022-3697 *
STENGL ET AL: "Visible-light photocatalytic activity of TiO2/ZnS nanocomposites prepared by homogeneous hydrolysis", MICROPOROUS AND MESOPOROUS MATERIALS, ELSEVIER SCIENCE PUBLISHING, NEW YORK, US, vol. 110, no. 2-3, 18 July 2007 (2007-07-18), pages 370 - 378, XP022511262, ISSN: 1387-1811 *
YIN S ET AL: "Visible-light induced photocatalytic activity of TiO2-xAy (A=N, S) prepared by precipitation route", JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY, A: CHEMISTRY, ELSEVIER SEQUOIA, LAUSANNE, CH, vol. 179, no. 1-2, 1 April 2006 (2006-04-01), pages 105 - 114, XP025149149, ISSN: 1010-6030, [retrieved on 20060401] *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101984501A (zh) * 2010-09-27 2011-03-09 彩虹集团公司 一种染料敏化太阳能电池用二氧化钛复合浆料的制备方法
RU2509727C2 (ru) * 2011-12-30 2014-03-20 Учреждение Российской академии наук Институт химии твердого тела Уральского отделения РАН Способ получения нанопорошка сложного оксида циркония, иттрия и титана
CN108187651A (zh) * 2017-12-28 2018-06-22 山东纳安环保科技有限公司 一种载锌纳米二氧化钛的制备方法和应用
US11753309B2 (en) 2018-08-30 2023-09-12 Tayca Corporation Titanyl sulfate hydrate powder, method for producing titanyl sulfate hydrate powder, method for producing aqueous titanyl sulfate solution, method of producing electrolyte solution, and method for producing redox flow battery
CN113042028A (zh) * 2021-03-26 2021-06-29 福州大学 一种固载型Y,Yb双掺二氧化钛多孔薄膜的制备方法

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Publication number Publication date
CZ301406B6 (cs) 2010-02-17
CZ20084A3 (cs) 2009-07-15

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