CN109174106A - A kind of active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method - Google Patents

A kind of active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method Download PDF

Info

Publication number
CN109174106A
CN109174106A CN201811094641.2A CN201811094641A CN109174106A CN 109174106 A CN109174106 A CN 109174106A CN 201811094641 A CN201811094641 A CN 201811094641A CN 109174106 A CN109174106 A CN 109174106A
Authority
CN
China
Prior art keywords
active carbon
mixed solution
denitrating catalyst
carbon skeleton
obtains
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.)
Pending
Application number
CN201811094641.2A
Other languages
Chinese (zh)
Inventor
王林
伍刚
张亚夫
高景辉
王红雨
孟颖琪
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.)
Xian Thermal Power Research Institute Co Ltd
Original Assignee
Thermal Power Research Institute
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 Thermal Power Research Institute filed Critical Thermal Power Research Institute
Priority to CN201811094641.2A priority Critical patent/CN109174106A/en
Publication of CN109174106A publication Critical patent/CN109174106A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/83—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst
    • 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
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

The invention discloses a kind of active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic methods, comprising the following steps: 1) weighs ferric nitrate and cerous nitrate, then ferric nitrate and cerous nitrate are dissolved in distilled water, be then stirred again, obtain mixed solution A；2) Nano titanium dioxide is weighed, then Nano titanium dioxide is added in the mixed solution A that step 1) obtains, stirs evenly, obtains mixed solution B；3) active carbon powder is added into the mixed solution B that step 2) obtains, is evaporated after mixing evenly, obtains pasty mixture；4) pasty mixture for obtaining step 3) carries out air-dried, it is successively roasted and is crushed again, then the particle that partial size is 230 μm -300 μm is chosen, obtain active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst, the titanium-based Fe-Ce oxide denitrating catalyst adsorption capacity of this method synthesis is strong, it is nontoxic, and cost is relatively low.

Description

A kind of active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method
Technical field
The present invention relates to a kind of process for synthetic catalyst, and in particular to a kind of active carbon skeleton titanium-based Fe-Ce oxide denitration Process for synthetic catalyst.
Background technique
Contain a large amount of nitrogen oxides (NOx) in the flue gas of coal-burning power plant's discharge, if without purified treatment, it will be to atmosphere Environment causes seriously to pollute.Station boiler mostly uses greatly selective catalytic reduction (SCR) gas denitrifying technology at present, will be in flue gas NOx conversion be nontoxic N2.Vanadic anhydride (V is widely used in the above method2O5) catalysis as denitration reaction Agent.Although vanadium series catalyst has preferable catalytic performance, main component V2O5With stronger bio-toxicity, people is being catalyzed The production of agent, installation, there are biggish health risks in use process.In addition, vanadium series catalyst cost of material is high, the longevity is used Life is shorter, and the catalyst of discarded failure belongs to dangerous waste product, it will pollutes the environment again.Therefore, explore synthesis cost it is low, The novel denitration catalyst of asepsis environment-protecting is significant to power plant's environmental protection cause.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of active carbon skeleton titanium-based iron cerium oxygen is provided The titanium-based Fe-Ce oxide denitrating catalyst adsorption capacity of compound denitrating catalyst synthetic method, this method synthesis is strong, nontoxic nothing Evil, and cost is relatively low.
In order to achieve the above objectives, active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method of the present invention The following steps are included:
1) ferric nitrate and cerous nitrate are weighed, then ferric nitrate and cerous nitrate are dissolved in distilled water, is then stirred again, Mixed solution A, wherein the concentration of ferric nitrate is 3mol/L in mixed solution A, in mixed solution the concentration of cerous nitrate be 9~ 11mol/L；
2) Nano titanium dioxide is weighed, then Nano titanium dioxide is added in the mixed solution A that step 1) obtains, It stirs evenly, obtains mixed solution B, wherein Nano titanium dioxide concentration is 0.8~1.2mol/L in mixed solution B；
3) active carbon powder is added into the mixed solution B that step 2) obtains, is evaporated after mixing evenly, it is mixed to obtain paste Close object, wherein the ratio of active carbon powder and mixed solution A is 15~25g:1000mL；
4) pasty mixture for obtaining step 3) carries out air-dried, then is successively roasted and be crushed, and partial size is then chosen For 230 μm -300 μm of particle, active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst is obtained.
Stirring in step 1) passes through magnetic stirrer 30min.
Stirring in step 2) passes through magnetic stirrer 5min.
Stirring in step 3) passes through magnetic stirrer 30min.
The evaporating temperature evaporated in step 3) is 80 DEG C.
Temperature in air drying process is 120 DEG C, and air-dry time is for 24 hours.
Temperature in roasting process is 550 DEG C, calcining time 10h.
The invention has the following advantages:
Active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method of the present invention when specific operation, with Active carbon powder is skeleton, and Nano titanium dioxide is adsorbed in the surface in active carbon powder gap, by iron cerium isoreactivity ingredient It is attached to Nano titanium dioxide surface, then by roasting, so that active carbon powder is converted to carbon dioxide, so that system Standby obtained active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst has pore structure abundant, to increase catalyst and cigarette The contact area of gas promotes denitration catalyst reaction, in addition, the catalyst that the present invention is prepared is with CeO2-Fe2O3For activity at Point, have the characteristics that nontoxic, low in cost and catalytic denitration reaction efficiency is high.
Detailed description of the invention
Fig. 1 is the microgram for the active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst that the present invention is prepared；
Fig. 2 is flow chart of the invention.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
Embodiment one
Active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method of the present invention the following steps are included:
1) ferric nitrate and cerous nitrate are weighed, then ferric nitrate and cerous nitrate are dissolved in distilled water, then passes through magnetic force again Blender stirs 30min, obtains mixed solution A, wherein the concentration of ferric nitrate is 3mol/L, nitre in mixed solution in mixed solution A The concentration of sour cerium is 11mol/L；
2) Nano titanium dioxide is weighed, then Nano titanium dioxide is added in the mixed solution A that step 1) obtains, Then by magnetic stirrer 5min, mixed solution B is obtained, wherein Nano titanium dioxide concentration is in mixed solution B 1.2mol/L；
3) active carbon powder is added into the mixed solution B that step 2) obtains, it is laggard by magnetic stirrer 30min Row evaporation, wherein evaporating temperature is 80 DEG C, obtains pasty mixture, wherein the ratio of active carbon powder and mixed solution A is 25g:1000mL；
4) pasty mixture for obtaining step 3) carries out air-dried, wherein the temperature in air drying process is 120 DEG C, is air-dried Time is for 24 hours, then successively to be roasted and be crushed, wherein the temperature in roasting process is 550 DEG C, calcining time 10h, so The particle that partial size is 230 μm -300 μm is chosen afterwards, obtains active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst.
Embodiment two
Active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method of the present invention the following steps are included:
1) ferric nitrate and cerous nitrate are weighed, then ferric nitrate and cerous nitrate are dissolved in distilled water, then passes through magnetic force again Blender stirs 30min, obtains mixed solution A, wherein the concentration of ferric nitrate is 3mol/L, nitre in mixed solution in mixed solution A The concentration of sour cerium is 9mol/L；
2) Nano titanium dioxide is weighed, then Nano titanium dioxide is added in the mixed solution A that step 1) obtains, Then by magnetic stirrer 5min, mixed solution B is obtained, wherein Nano titanium dioxide concentration is in mixed solution B 0.8mol/L；
3) active carbon powder is added into the mixed solution B that step 2) obtains, it is laggard by magnetic stirrer 30min Row evaporation, wherein evaporating temperature is 80 DEG C, obtains pasty mixture, wherein the ratio of active carbon powder and mixed solution A is 15g:1000mL；
4) pasty mixture for obtaining step 3) carries out air-dried, wherein the temperature in air drying process is 120 DEG C, is air-dried Time is for 24 hours, then successively to be roasted and be crushed, wherein the temperature in roasting process is 550 DEG C, calcining time 10h, so The particle that partial size is 230 μm -300 μm is chosen afterwards, obtains active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst.
Embodiment three
Active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method of the present invention the following steps are included:
1) ferric nitrate and cerous nitrate are weighed, then ferric nitrate and cerous nitrate are dissolved in distilled water, then passes through magnetic force again Blender stirs 30min, obtains mixed solution A, wherein the concentration of ferric nitrate is 3mol/L, nitre in mixed solution in mixed solution A The concentration of sour cerium is 10mol/L；
2) Nano titanium dioxide is weighed, then Nano titanium dioxide is added in the mixed solution A that step 1) obtains, Then by magnetic stirrer 5min, mixed solution B is obtained, wherein Nano titanium dioxide concentration is in mixed solution B 1mol/L；
3) active carbon powder is added into the mixed solution B that step 2) obtains, it is laggard by magnetic stirrer 30min Row evaporation, wherein evaporating temperature is 80 DEG C, obtains pasty mixture, wherein the ratio of active carbon powder and mixed solution A is 20g:1000mL；
4) pasty mixture for obtaining step 3) carries out air-dried, wherein the temperature in air drying process is 120 DEG C, is air-dried Time is for 24 hours, then successively to be roasted and be crushed, wherein the temperature in roasting process is 550 DEG C, calcining time 10h, so The particle that partial size is 230 μm -300 μm is chosen afterwards, obtains active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst.
Example IV
Active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method of the present invention the following steps are included:
1) ferric nitrate and cerous nitrate are weighed, then ferric nitrate and cerous nitrate are dissolved in distilled water, then passes through magnetic force again Blender stirs 30min, obtains mixed solution A, wherein the concentration of ferric nitrate is 3mol/L, nitre in mixed solution in mixed solution A The concentration of sour cerium is 9.5mol/L；
2) Nano titanium dioxide is weighed, then Nano titanium dioxide is added in the mixed solution A that step 1) obtains, Then by magnetic stirrer 5min, mixed solution B is obtained, wherein Nano titanium dioxide concentration is in mixed solution B 0.9mol/L；
3) active carbon powder is added into the mixed solution B that step 2) obtains, it is laggard by magnetic stirrer 30min Row evaporation, wherein evaporating temperature is 80 DEG C, obtains pasty mixture, wherein the ratio of active carbon powder and mixed solution A is 18g:1000mL；
4) pasty mixture for obtaining step 3) carries out air-dried, wherein the temperature in air drying process is 120 DEG C, is air-dried Time is for 24 hours, then successively to be roasted and be crushed, wherein the temperature in roasting process is 550 DEG C, calcining time 10h, so The particle that partial size is 230 μm -300 μm is chosen afterwards, obtains active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst.
Embodiment five
Active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method of the present invention the following steps are included:
1) ferric nitrate and cerous nitrate are weighed, then ferric nitrate and cerous nitrate are dissolved in distilled water, then passes through magnetic force again Blender stirs 30min, obtains mixed solution A, wherein the concentration of ferric nitrate is 3mol/L, nitre in mixed solution in mixed solution A The concentration of sour cerium is 10.5mol/L；
2) Nano titanium dioxide is weighed, then Nano titanium dioxide is added in the mixed solution A that step 1) obtains, Then by magnetic stirrer 5min, mixed solution B is obtained, wherein Nano titanium dioxide concentration is in mixed solution B 1.15mol/L；
3) active carbon powder is added into the mixed solution B that step 2) obtains, it is laggard by magnetic stirrer 30min Row evaporation, wherein evaporating temperature is 80 DEG C, obtains pasty mixture, wherein the ratio of active carbon powder and mixed solution A is 23g:1000mL；
4) pasty mixture for obtaining step 3) carries out air-dried, wherein the temperature in air drying process is 120 DEG C, is air-dried Time is for 24 hours, then successively to be roasted and be crushed, wherein the temperature in roasting process is 550 DEG C, calcining time 10h, so The particle that partial size is 230 μm -300 μm is chosen afterwards, obtains active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst.
Catalyst of the present invention is using Powdered Activated Carbon as skeleton, in the solution, TiO2Ingredient is attached to active carbon hole Gap surface, iron cerium isoreactivity ingredient are attached to TiO2Surface, then roasted by Muffle furnace, so that active carbon is converted to CO2, And pore structure abundant is retained, to increase the contact area of catalyst and flue gas, greatly to promote denitration catalyst Reaction.

Claims (7)

1. a kind of active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method, which comprises the following steps:
1) ferric nitrate and cerous nitrate are weighed, then ferric nitrate and cerous nitrate are dissolved in distilled water, is then stirred again, is obtained mixed Close solution A, wherein the concentration of ferric nitrate is 3mol/L in mixed solution A, in mixed solution the concentration of cerous nitrate be 9~ 11mol/L；
2) Nano titanium dioxide is weighed, then Nano titanium dioxide is added in the mixed solution A that step 1) obtains, is stirred Uniformly, mixed solution B is obtained, wherein Nano titanium dioxide concentration is 0.8~1.2mol/L in mixed solution B；
3) active carbon powder is added into the mixed solution B that step 2) obtains, is evaporated after mixing evenly, obtain paste mixing Object, wherein the ratio of active carbon powder and mixed solution A is 15~25g:1000mL；
4) pasty mixture for obtaining step 3) carries out air-dried, then is successively roasted and be crushed, and then choosing partial size is 230 μm -300 μm of particle, obtains active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst.
2. active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method according to claim 1, feature exist In the stirring in step 1) passes through magnetic stirrer 30min.
3. active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method according to claim 1, feature exist In the stirring in step 2) passes through magnetic stirrer 5min.
4. active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method according to claim 1, feature exist In the stirring in step 3) passes through magnetic stirrer 30min.
5. active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method according to claim 1, feature exist In the evaporating temperature evaporated in step 3) is 80 DEG C.
6. active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method according to claim 1, feature exist In the temperature in air drying process is 120 DEG C, and air-dry time is for 24 hours.
7. active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method according to claim 1, feature exist In the temperature in roasting process is 550 DEG C, calcining time 10h.
CN201811094641.2A 2018-09-19 2018-09-19 A kind of active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method Pending CN109174106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811094641.2A CN109174106A (en) 2018-09-19 2018-09-19 A kind of active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811094641.2A CN109174106A (en) 2018-09-19 2018-09-19 A kind of active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method

Publications (1)

Publication Number Publication Date
CN109174106A true CN109174106A (en) 2019-01-11

Family

ID=64908470

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811094641.2A Pending CN109174106A (en) 2018-09-19 2018-09-19 A kind of active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method

Country Status (1)

Country Link
CN (1) CN109174106A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110304961A (en) * 2019-06-21 2019-10-08 李光良 A kind of biological organic chemical fertilizer and preparation method thereof
CN113198484A (en) * 2021-05-13 2021-08-03 昆明理工大学 Low-temperature CO-SCR denitration Fe-Ce/AC catalyst and preparation method and application thereof
CN114853057A (en) * 2022-04-12 2022-08-05 安徽迪诺环保新材料科技有限公司 Preparation method of titanium dioxide for denitration catalyst with high pore volume, small pore diameter and small specific surface area

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103816909A (en) * 2013-12-11 2014-05-28 安徽省元琛环保科技有限公司 Low-temperature denitrification catalyst and preparation method thereof
CN104128188A (en) * 2014-08-15 2014-11-05 安徽省元琛环保科技有限公司 Denitration catalyst used in waste incineration power plant and preparation method thereof
CN104722307A (en) * 2015-03-13 2015-06-24 国家电网公司 Iron-based low-temperature SCR denitration catalyst and preparation method thereof
CN106423193A (en) * 2016-09-21 2017-02-22 中国建筑材料科学研究总院 Honeycomb manganese denitration catalyst and preparation method thereof
CN106423181A (en) * 2016-10-18 2017-02-22 佛山慧创正元新材料科技有限公司 Flue gas denitrification catalyst and preparation method thereof
CN107754810A (en) * 2017-11-10 2018-03-06 西南化工研究设计院有限公司 A kind of wide temperature smoke denitrating catalyst of non-vanadium base monolithic, preparation method and application
CN108236956A (en) * 2016-12-27 2018-07-03 中国科学院宁波城市环境观测研究站 A kind of preparation method of iron cerium titanium oxide catalyst

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103816909A (en) * 2013-12-11 2014-05-28 安徽省元琛环保科技有限公司 Low-temperature denitrification catalyst and preparation method thereof
CN104128188A (en) * 2014-08-15 2014-11-05 安徽省元琛环保科技有限公司 Denitration catalyst used in waste incineration power plant and preparation method thereof
CN104722307A (en) * 2015-03-13 2015-06-24 国家电网公司 Iron-based low-temperature SCR denitration catalyst and preparation method thereof
CN106423193A (en) * 2016-09-21 2017-02-22 中国建筑材料科学研究总院 Honeycomb manganese denitration catalyst and preparation method thereof
CN106423181A (en) * 2016-10-18 2017-02-22 佛山慧创正元新材料科技有限公司 Flue gas denitrification catalyst and preparation method thereof
CN108236956A (en) * 2016-12-27 2018-07-03 中国科学院宁波城市环境观测研究站 A kind of preparation method of iron cerium titanium oxide catalyst
CN107754810A (en) * 2017-11-10 2018-03-06 西南化工研究设计院有限公司 A kind of wide temperature smoke denitrating catalyst of non-vanadium base monolithic, preparation method and application

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
YUN SHU ET AL.: "Selective catalytic reaction of NOx with NH3 over Ce–Fe/TiO2-loaded wire-mesh honeycomb：Resistance to SO2 poisoning", 《APPLIED CATALYSIS B: ENVIRONMENTAL》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110304961A (en) * 2019-06-21 2019-10-08 李光良 A kind of biological organic chemical fertilizer and preparation method thereof
CN113198484A (en) * 2021-05-13 2021-08-03 昆明理工大学 Low-temperature CO-SCR denitration Fe-Ce/AC catalyst and preparation method and application thereof
CN114853057A (en) * 2022-04-12 2022-08-05 安徽迪诺环保新材料科技有限公司 Preparation method of titanium dioxide for denitration catalyst with high pore volume, small pore diameter and small specific surface area

Similar Documents

Publication Publication Date Title
CN101590404B (en) Low-vanadium denitration catalyst and preparation method and application thereof
JP5844457B2 (en) Method for producing surface-deposited honeycomb flue gas denitration catalyst
CN106582606B (en) Non-vanadium low-temperature denitration catalyst and preparation method thereof
CN109569587A (en) A kind of manganese-based low-temperature catalyst for denitrating flue gas and preparation method thereof
CN108295840A (en) Manganese-based catalyst and its preparation and application of a kind of efficient synergistic purification nitrogen oxides He bioxin
CN103990496B (en) A kind of middle low temperature SCR denitration catalyst with anti-poisoning performance and preparation method thereof
CN102350340A (en) Composite smoke denitration catalyst capable of oxidizing zero-valence mercury
CN102366722A (en) Denitrition catalyst with mercury removal effect and its preparation method
CN110586073B (en) Catalyst for removing dioxin in kiln flue gas through catalytic oxidation and preparation method thereof
CN101920213A (en) Low temperature SCR denitration catalyst taking organic metal framework as carrier and preparation method thereof
CN109174106A (en) A kind of active carbon skeleton titanium-based Fe-Ce oxide denitrating catalyst synthetic method
CN105833901B (en) A kind of PrOx-MnOx/ SAPO-34 low-temperature SCR catalyst for denitrating flue gas and the preparation method and application thereof
CN102716753A (en) Catalyst for low-temperature selective catalytic reduction of nitric oxide and preparation method of catalyst
CN109351358A (en) A kind of transition metal oxide composite catalyst and its preparation method and application
CN113908847B (en) Method for preparing denitration catalyst by utilizing alkaline leaching vanadium tailings
CN103706390A (en) Titanium-base carrier load vanadium phosphorus oxide catalyst for catalyzing oxidation of NO and preparation method of catalyst
CN106513005A (en) A preparing method of an iron-based composite oxide catalyst
CN102068994A (en) Catalyst and preparation method thereof
CN107185523A (en) Preparation method of denitrating catalyst that a kind of holmium is modified and products thereof
CN105903478B (en) Medium-low temperature SCR catalyst with wider use temperature and preparation method thereof
CN106466598A (en) A kind of active carrier for denitrating catalyst and preparation method thereof
CN106362733A (en) High-temperature resistant manganite catalyst and preparation method thereof
CN112295555B (en) Cerium-titanium composite nanorod catalyst for fixed source flue gas denitration reaction and preparation method thereof
CN105727965A (en) Copper, zirconium, cerium and titanium composite oxide catalyst for flue gas denitrification and preparation method thereof
CN112121816A (en) Low-temperature catalyst special for waste incineration

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190111