CA2923123C - Titania particles and a process for their production - Google Patents

Titania particles and a process for their production Download PDF

Info

Publication number
CA2923123C
CA2923123C CA2923123A CA2923123A CA2923123C CA 2923123 C CA2923123 C CA 2923123C CA 2923123 A CA2923123 A CA 2923123A CA 2923123 A CA2923123 A CA 2923123A CA 2923123 C CA2923123 C CA 2923123C
Authority
CA
Canada
Prior art keywords
titania
particles
sol
controlled
slurry
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.)
Active
Application number
CA2923123A
Other languages
English (en)
French (fr)
Other versions
CA2923123A1 (en
Inventor
Karl Lowry
John Lalande Edwards
Darren J. WATERS
John Robb
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.)
Venator Materials UK Ltd
Original Assignee
Huntsman P&A UK Ltd
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
Priority claimed from GB201316874A external-priority patent/GB201316874D0/en
Priority claimed from GB201415175A external-priority patent/GB201415175D0/en
Application filed by Huntsman P&A UK Ltd filed Critical Huntsman P&A UK Ltd
Publication of CA2923123A1 publication Critical patent/CA2923123A1/en
Application granted granted Critical
Publication of CA2923123C publication Critical patent/CA2923123C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48—Silver or gold
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • 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
    • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • B01J35/45—Nanoparticles
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/613—10-100 m2/g
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/615—100-500 m2/g
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/633—Pore volume less than 0.5 ml/g
    • 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
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • 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
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027—Powdering
    • B01J37/0045—Drying a slurry, e.g. spray drying
    • 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
    • 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
    • B01J37/036—Precipitation; Co-precipitation to form a gel or a cogel
    • 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
    • B01J37/04—Mixing
    • 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
    • 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
    • C01G23/08—Drying; Calcining ; After treatment of titanium oxide
    • 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
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • 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
    • C01P2006/12—Surface area
    • 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
    • C01P2006/16—Pore diameter
    • 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
    • C01P2006/21—Attrition-index or crushing strength of granulates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Catalysts (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
CA2923123A 2013-09-23 2014-09-22 Titania particles and a process for their production Active CA2923123C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB1316874.5 2013-09-23
GB201316874A GB201316874D0 (en) 2013-09-23 2013-09-23 Titania particles and a process for their production
GB1415175.7 2014-08-27
GB201415175A GB201415175D0 (en) 2014-08-27 2014-08-27 Titania particles and a process for their production
PCT/GB2014/052878 WO2015040426A1 (en) 2013-09-23 2014-09-22 Titania particles and a process for their production

Publications (2)

Publication Number Publication Date
CA2923123A1 CA2923123A1 (en) 2015-03-26
CA2923123C true CA2923123C (en) 2023-08-22

Family

ID=51610398

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2923123A Active CA2923123C (en) 2013-09-23 2014-09-22 Titania particles and a process for their production

Country Status (15)

Country Link
US (2) US10173198B2 (enExample)
EP (1) EP3049371B1 (enExample)
JP (1) JP6753781B2 (enExample)
KR (1) KR102298817B1 (enExample)
CN (2) CN109399703B (enExample)
AU (2) AU2014322870A1 (enExample)
BR (2) BR112016006256B1 (enExample)
CA (1) CA2923123C (enExample)
ES (1) ES2987940T3 (enExample)
MX (2) MX387833B (enExample)
MY (1) MY176021A (enExample)
SA (1) SA516370782B1 (enExample)
TW (1) TWI651269B (enExample)
UA (1) UA119753C2 (enExample)
WO (1) WO2015040426A1 (enExample)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI561251B (en) * 2015-07-31 2016-12-11 Univ Nat Tsing Hua Sun protection composition and application the same
GB201520463D0 (en) * 2015-11-20 2016-01-06 Huntsman P&A Uk Ltd Coatings
EP3190159A1 (de) * 2016-01-08 2017-07-12 Kronos International, Inc. Verfahren zur oberflächenbeschichtung eines substrats
CN105879611B (zh) * 2016-05-09 2019-11-08 西安天宇环保科技有限公司 纳米技术甲醛清除剂的制备方法
US11111151B2 (en) 2016-09-13 2021-09-07 National Institute For Materials Science Layered silicate powder granules and method for producing the same
CN110536746B (zh) * 2016-10-04 2023-02-21 Rh-成像系统有限公司 铁掺杂的二氧化钛纳米晶体及其作为光催化剂的用途
US10850262B2 (en) * 2016-12-19 2020-12-01 Khalifa University of Science and Technology Fibrous zeolite catalyst for hydrocracking
DE102017200565A1 (de) * 2017-01-16 2018-07-19 BSH Hausgeräte GmbH Beschichtungsmaterial für selbstreinigende Beschichtung und Verfahren zur Herstellung
US10815941B2 (en) * 2017-03-02 2020-10-27 Rodrigo COQUIS SÁNCHEZ-CONCHA Fluid mechanics system for the performance optimization of catalytic alloys and the improvement of its microbiological contaminants elimination properties in hydrocarbons
KR102739089B1 (ko) * 2017-06-16 2024-12-06 코보 프로덕츠, 아이엔씨. Ir 보호를 위한 이산화 티타늄 입자를 사용하는 화장품 조성물
CN108126693A (zh) * 2017-12-08 2018-06-08 西安交通大学 负载超小贵金属纳米粒子汽车尾气净化催化剂及制备方法
CN108634428A (zh) * 2018-06-12 2018-10-12 广东省生物资源应用研究所 一种利用二氧化钛紫外线反射的驱鸟方法及马甲
US11557767B2 (en) * 2018-10-03 2023-01-17 University Of Ontario Institute Of Technology Fuel cell catalyst support based on doped titanium sub oxides
EP3924301B1 (en) * 2019-02-15 2022-11-30 Tiotech As Manufacture of titanium dioxide structures
BR112021017597A2 (pt) * 2019-03-08 2021-11-09 Johnson Matthey Plc Catalisador de redução catalítica seletiva, revestimento washcoat, e, método de preparação de um catalisador de redução catalítica seletiva
CN110302827A (zh) * 2019-06-27 2019-10-08 杭州森井空气净化技术有限公司 一种超细纳米光触媒制剂及其制备工艺
CN111115783A (zh) * 2020-01-11 2020-05-08 南京大学 一种制备聚钛混凝剂的方法及其应用
CN112538283A (zh) * 2020-11-30 2021-03-23 攀钢集团重庆钛业有限公司 高耐候和高遮盖钛白粉的制备方法
US11926532B2 (en) 2021-01-11 2024-03-12 University Of Kansas Processes for the production of metal oxides
WO2022174264A1 (en) * 2021-02-11 2022-08-18 Drexel University Bottom-up, scalable synthesis of oxide-based sub-nano and nanofilaments and nanofilament-based two-dimensional flakes and mesoporous powders
CN115140766B (zh) * 2021-03-31 2024-09-24 江苏镇钛化工有限公司 一种金红石型钛白粉的低能耗生产工艺
CN113398910A (zh) * 2021-05-21 2021-09-17 魏富春 一种抗菌性废水处理剂及其制备方法
CN113415824B (zh) * 2021-06-24 2022-05-03 宁波航天米瑞科技有限公司 一种二氧化钛粒子及其制备方法和应用
CN113428895B (zh) * 2021-08-06 2022-10-28 龙佰四川钛业有限公司 一种硫酸法偏钛酸的煅烧方法
CN114736424B (zh) * 2022-04-29 2023-09-22 常州大学 一种不对称纳米TiO2粒子填充仿生超滑表面及其制备方法和应用
CN115216325B (zh) * 2022-07-13 2023-09-08 中国矿业大学 一种高硫石油焦高效脱硫工艺
KR102820667B1 (ko) * 2022-10-07 2025-06-17 한국생산기술연구원 이종 산화물 세라믹 나노섬유 및 이의 제조방법
KR102846805B1 (ko) * 2022-11-14 2025-08-13 동국대학교 산학협력단 중공사형 광촉매의 제조방법, 이에 의해 제조된 중공사형 광촉매 및 이를 포함하는 광촉매 필터
WO2025010340A1 (en) 2023-07-05 2025-01-09 Dickinson Corporation Polycrystalline magnesia assemblies and associated catalysts

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448683A (en) * 1944-02-09 1948-09-07 Du Pont Titanium oxide production
US3018186A (en) * 1957-03-20 1962-01-23 Monsanto Chemicals Laminar titanium dioxide
GB944292A (en) 1959-12-09 1963-12-11 British Titan Products Preparation of titanium dioxide pigments
US3642912A (en) * 1967-12-11 1972-02-15 Coal Tar Research Ass The Alkylation of phenols
US4166147A (en) * 1973-04-16 1979-08-28 Minnesota Mining And Manufacturing Company Shaped and fired articles of tio2
US4732750A (en) * 1986-08-11 1988-03-22 Allied-Signal Inc. Preparation of monodisperse titania by titanium alkoxide hydrolysis
US5128291A (en) * 1990-12-11 1992-07-07 Wax Michael J Porous titania or zirconia spheres
DE4321555C1 (de) * 1993-06-29 1994-09-15 Bayer Ag Verfahren zur Herstellung von Mischoxidpulvern für Entstickungskatalysatoren
WO2001042140A1 (en) * 1999-12-13 2001-06-14 Jonathan Sherman Nanoparticulate titanium dioxide coatings, and processes for the production and use thereof
AUPQ573300A0 (en) 2000-02-21 2000-03-16 Australian Nuclear Science & Technology Organisation Controlled release ceramic particles, compositions thereof, processes of preparation and methods of use
KR100639719B1 (ko) * 2001-12-21 2006-10-31 쇼와 덴코 가부시키가이샤 고활성 광촉매 입자, 그의 제조 방법 및 그의 용도
WO2003106334A1 (ja) * 2002-06-12 2003-12-24 日本板硝子株式会社 多孔質薄片状金属酸化物、その製造方法ならびにそれを配合した化粧料、塗料組成物、樹脂組成物、インキ組成物および紙
JP4269595B2 (ja) * 2002-08-23 2009-05-27 トヨタ自動車株式会社 酸化物半導体電極及びその製造方法
US7081433B2 (en) * 2003-03-12 2006-07-25 The United States Of America As Represented By The Secretary Of The Navy Catalytic three dimensional aerogels having mesoporous nanoarchitecture
JP4123185B2 (ja) * 2004-04-27 2008-07-23 トヨタ自動車株式会社 金属酸化物粒子の製造方法
JP4805156B2 (ja) * 2004-09-02 2011-11-02 日揮触媒化成株式会社 チタニウム含有シリカゾルおよびその製造方法、防汚被膜およびインク受容層付基材、ならびに記録用基材の再生方法
JP5241994B2 (ja) * 2004-11-05 2013-07-17 戸田工業株式会社 酸化チタン粒子粉末及び光触媒
DE102005021623A1 (de) * 2005-05-04 2006-11-09 Sasol Germany Gmbh Verfahren zur Herstellung eines temperaturstabilen TiO2/SiO2 - Mischoxids und dessen Verwendung als Katalysatorträger
CN100348499C (zh) * 2006-04-07 2007-11-14 浙江工业大学 一种介孔空心球状二氧化钛粉体的制备方法
US7763565B2 (en) 2007-08-31 2010-07-27 Millennium Inorganic Chemicals, Inc. Transparent, stable titanium dioxide sols
US7648936B2 (en) * 2008-01-29 2010-01-19 Lyondell Chemical Technology, L.P. Spray-dried transition metal zeolite and its use
JP2009263577A (ja) * 2008-04-28 2009-11-12 Akebono Brake Ind Co Ltd 摩擦調整材、その製造方法および摩擦材
US20110159109A1 (en) * 2008-09-02 2011-06-30 Drexel University Titania dispersion and method for making
GB0916329D0 (en) * 2009-09-17 2009-10-28 Tioxide Europe Ltd Stable nano titania sols and a process for their production
US8247343B2 (en) * 2009-11-13 2012-08-21 Chapman David M Stable sub-micron titania sols
JP2012028302A (ja) * 2010-06-25 2012-02-09 Sony Corp 色素増感型太陽電池およびその製造方法
DE102011053753A1 (de) * 2010-09-22 2012-04-26 Sachtleben Chemie Gmbh Poröses, sphärisches Titandioxid
US8802585B2 (en) * 2011-09-22 2014-08-12 Celanese International Corporation Catalysts for producing acrylic acids and acrylates
US8735314B2 (en) * 2011-09-29 2014-05-27 Celanese International Corporation Catalysts for producing acrylic acids and acrylates
CN102583530B (zh) * 2012-04-07 2013-11-27 河南工业大学 一种具有超高比表面积的纳米二氧化钛的制备方法
US8906711B2 (en) * 2012-07-01 2014-12-09 Mohammad-Reza Mohammadi Method for preparing titania pastes for use in dye-sensitized solar cells

Also Published As

Publication number Publication date
EP3049371C0 (en) 2024-08-28
CA2923123A1 (en) 2015-03-26
BR112016006256B1 (pt) 2022-05-03
AU2014322870A1 (en) 2016-03-17
US10173198B2 (en) 2019-01-08
MY176021A (en) 2020-07-21
TW201520174A (zh) 2015-06-01
CN105555713A (zh) 2016-05-04
WO2015040426A1 (en) 2015-03-26
CN109399703B (zh) 2021-12-03
US20160236174A1 (en) 2016-08-18
EP3049371A1 (en) 2016-08-03
MX2016003740A (es) 2016-05-31
BR112016006256A8 (pt) 2020-02-18
MX387833B (es) 2025-03-11
AU2018202398A1 (en) 2018-04-26
MX2021011661A (es) 2022-04-28
JP6753781B2 (ja) 2020-09-09
SA516370782B1 (ar) 2019-07-18
MX391899B (es) 2025-03-21
JP2016536266A (ja) 2016-11-24
US10717066B2 (en) 2020-07-21
BR122020005772B1 (pt) 2022-10-11
UA119753C2 (uk) 2019-08-12
ES2987940T3 (es) 2024-11-18
TWI651269B (zh) 2019-02-21
CN105555713B (zh) 2019-06-14
US20190076821A1 (en) 2019-03-14
KR20160062086A (ko) 2016-06-01
EP3049371B1 (en) 2024-08-28
AU2018202398B2 (en) 2021-04-08
BR112016006256A2 (pt) 2017-08-01
CN109399703A (zh) 2019-03-01
KR102298817B1 (ko) 2021-09-08

Similar Documents

Publication Publication Date Title
CA2923123C (en) Titania particles and a process for their production
Shao et al. Preparation and photocatalytic activity of hierarchically mesoporous-macroporous TiO2− xNx
Ismail et al. Mesoporous titania photocatalysts: preparation, characterization and reaction mechanisms
Khataee et al. Nanostructured titanium dioxide materials: properties, preparation and applications
Yu et al. Hydrothermal preparation and photocatalytic activity of hierarchically sponge-like macro-/mesoporous titania
Wu et al. Synthesis of highly monodispersed teardrop-shaped core–shell SiO2/TiO2 nanoparticles and their photocatalytic activities
Al-Hetlani et al. Detachable photocatalysts of anatase TiO2 nanoparticles: Annulling surface charge for immediate photocatalyst separation
Yang et al. One-step synthesis of Bi2WO6/TiO2 heterojunctions with enhanced photocatalytic and superhydrophobic property via hydrothermal method
EP2519348B1 (en) Method of production of photocatalytic powder comprising titanium dioxide and manganese dioxide active under ultraviolet and visible light
Uddin et al. Preparation of nanostructured TiO2-based photocatalyst by controlling the calcining temperature and pH
Zhou et al. Effects of acid on the microstructures and properties of three-dimensional TiO2 hierarchical structures by solvothermal method
Prabhu et al. Synthesis, surface acidity and photocatalytic activity of WO3/TiO2 nanocomposites–an overview
KR100475687B1 (ko) 티타니아계 촉매의 제조방법
Dahl et al. Control of the crystallinity in TiO 2 microspheres through silica impregnation
KR20090072745A (ko) 수소 생성용 메조다공성 이산화티타늄 광촉매의 제조방법
An’Amt et al. Triethanolamine solution for rapid hydrothermal synthesis of titanate nanotubes
Sudhalakshmi et al. Facile Synthesis of Imidazole based Ionic Liquid Supported CdWO4/TiO2 for Superior Photo and Electrocatalytic Applications
KR102427956B1 (ko) 가시광 활성이 향상된 열안정성 다공성 티타늄산화물 및 이의 제조방법
Nozari et al. Synthesis, characterization and photocatalytic activity of pure and Sb co-doped TiO2 nano photocatalyst
Hosseingholi et al. Room temperature synthesis of n-doped urchin-like rutile TiO2 nanostructure with enhanced photocatalytic activity under sunlight
El-Shobaky et al. Synthesis, Modification and Characterization of Single and Mixed Phase Titania Prepared by Microwave Assisted Sol Gel Method
Wang et al. 7 Preparation of Nanoporous
Qi Synthesis of hightemperature stable titania nanoparticles for photocatalytic applications

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20190919

EEER Examination request

Effective date: 20190919

EEER Examination request

Effective date: 20190919

EEER Examination request

Effective date: 20190919

EEER Examination request

Effective date: 20190919

EEER Examination request

Effective date: 20190919

EEER Examination request

Effective date: 20190919