ZA202102642B - Method for recycling spent selective catalytic reduction (scr) catalysts - Google Patents

Method for recycling spent selective catalytic reduction (scr) catalysts

Info

Publication number
ZA202102642B
ZA202102642B ZA2021/02642A ZA202102642A ZA202102642B ZA 202102642 B ZA202102642 B ZA 202102642B ZA 2021/02642 A ZA2021/02642 A ZA 2021/02642A ZA 202102642 A ZA202102642 A ZA 202102642A ZA 202102642 B ZA202102642 B ZA 202102642B
Authority
ZA
South Africa
Prior art keywords
scr
catalysts
catalytic reduction
selective catalytic
recycling spent
Prior art date
Application number
ZA2021/02642A
Inventor
Jiancheng Wang
Yibo Cao
Jiangliang Hu
Junxuan Yao
Weiren Bao
Original Assignee
Univ Taiyuan Technology
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 Univ Taiyuan Technology filed Critical Univ Taiyuan Technology
Publication of ZA202102642B publication Critical patent/ZA202102642B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G41/00—Compounds of tungsten
    • C01G41/02—Oxides; Hydroxides
    • 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
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/42—Platinum
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • 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
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • 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
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/308—Dyes; Colorants; Fluorescent agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/10—Photocatalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Catalysts (AREA)
ZA2021/02642A 2020-06-20 2021-04-21 Method for recycling spent selective catalytic reduction (scr) catalysts ZA202102642B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010569419.4A CN111689521B (en) 2020-06-20 2020-06-20 Recovery treatment method of waste SCR denitration catalyst

Publications (1)

Publication Number Publication Date
ZA202102642B true ZA202102642B (en) 2021-06-30

Family

ID=72482438

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2021/02642A ZA202102642B (en) 2020-06-20 2021-04-21 Method for recycling spent selective catalytic reduction (scr) catalysts

Country Status (2)

Country Link
CN (1) CN111689521B (en)
ZA (1) ZA202102642B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115194163B (en) * 2022-07-15 2023-05-30 北京科技大学 Method for preparing titanium tungsten powder by recycling waste SCR denitration catalyst

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB818117A (en) * 1956-05-22 1959-08-12 Gen Electric Improvements in the extracting of tungsten compounds from tungsten ores
CN101921916B (en) * 2010-08-16 2014-05-28 华电电力科学研究院 Method for recycling metal oxide from waste flue gas denitration catalyst
CN102070407B (en) * 2011-01-25 2013-08-07 鄂尔多斯市联科清洁能源技术有限公司 Method for synthesizing ethylene glycol from noble metal load nanometer titanium dioxide through photocatalysis
CN104805298B (en) * 2015-05-22 2018-01-16 中科过程（北京）科技有限公司 A kind of recovery and treatment method of useless SCR denitration
CN105002361A (en) * 2015-07-20 2015-10-28 福建紫荆环境工程技术有限公司 Process for wholly recycling valuable metals in waste SCR denitration catalysts through wet method
CN105854875B (en) * 2016-04-12 2018-06-19 渤海大学 A kind of preparation method of titanium dioxide/silver composite nano materials
CN106238043A (en) * 2016-07-28 2016-12-21 北京科技大学 The preparation of titanium dichloride load high dispersive platinum composite photocatalyst material and application process
CN111302397B (en) * 2020-03-13 2022-06-24 中国科学院城市环境研究所 Method and device for recovering waste denitration catalyst

Also Published As

Publication number Publication date
CN111689521A (en) 2020-09-22
CN111689521B (en) 2024-03-08

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