CN104383877B - A kind of rare-earth metal modified monoblock type acticarbon and preparation method and application - Google Patents

A kind of rare-earth metal modified monoblock type acticarbon and preparation method and application Download PDF

Info

Publication number
CN104383877B
CN104383877B CN201410614878.4A CN201410614878A CN104383877B CN 104383877 B CN104383877 B CN 104383877B CN 201410614878 A CN201410614878 A CN 201410614878A CN 104383877 B CN104383877 B CN 104383877B
Authority
CN
China
Prior art keywords
monoblock type
earth metal
acticarbon
rare
modified
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.)
Expired - Fee Related
Application number
CN201410614878.4A
Other languages
Chinese (zh)
Other versions
CN104383877A (en
Inventor
何丹农
杨玲
赵昆峰
高振源
蔡婷
袁静
爨谦
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.)
Shanghai National Engineering Research Center for Nanotechnology Co Ltd
Original Assignee
Shanghai National Engineering Research Center for Nanotechnology Co 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
Application filed by Shanghai National Engineering Research Center for Nanotechnology Co Ltd filed Critical Shanghai National Engineering Research Center for Nanotechnology Co Ltd
Priority to CN201410614878.4A priority Critical patent/CN104383877B/en
Publication of CN104383877A publication Critical patent/CN104383877A/en
Application granted granted Critical
Publication of CN104383877B publication Critical patent/CN104383877B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • 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
    • B01D53/02—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 by adsorption, e.g. preparative gas chromatography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • B01D2257/7022—Aliphatic hydrocarbons
    • B01D2257/7025—Methane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/20—Capture or disposal of greenhouse gases of methane

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treating Waste Gases (AREA)
  • Catalysts (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

The invention discloses a kind of rare-earth metal modified monoblock type acticarbon and preparation method and application, at ambient temperature, configure 2 milliliters of rare earth metal aqueous solutions, dropping ammonia spirit to pH value is 8～10 while stirring, continue stirring 10～30 minutes, being added dropwise on dried monoblock type absorbent charcoal carrier, the quality of carrier is 2 grams and is then placed in baking oven 200～250 DEG C and keeps 1～5 hour, makes modified monoblock type acticarbon.The scavenging material of gained of the present invention has the features such as the purification efficiency height to low concentration Hydrocarbon, low cost, preparation technology are simple.When hydrocarbon concentration≤10 ppm, this material can reach more than 90% to the purification efficiency of Hydrocarbon.

Description

A kind of rare-earth metal modified monoblock type acticarbon and preparation method and application
Technical field
The present invention relates to the preparation method and application of a kind of rare-earth metal modified monoblock type acticarbon, it is adaptable in environmental contaminants, the purification of Hydrocarbon eliminates.
Background technology
Hydrocarbon is one of main matter of atmosphere pollution, along with increasing considerably of automobile consumption, and the exhaust emissions of the equipment such as boiler, the pollution of Hydrocarbon has become an important topic of environmental improvement.Owing to the Nature comparison of Hydrocarbon is stable, the main method processing Hydrocarbon at present is catalysis burning and absorption method, wherein Production by Catalytic Combustion Process is not particularly suited for the purification of air pollutants, and absorption method technique is relatively easy, can harmful substance that effectively supplementary set concentration is the lowest changing waste into resources can be realized, be therefore widely used.
Chinese patent CN102000548A discloses " preparation method of the modified activated carbon absorbent of a kind of low-concentration organic exhaust gas ", it is with Alveolate activated carbon as carrier, oxidized modified metal oxide-loaded, for toluene and the purification of butylene gaseous mixture, evolution rate is more considerable, but preparation process is relatively complicated.
Chinese patent CN102451665A discloses " low-concentration hydrocarbon gas adsorbent and preparation method thereof ", its preparation method is with bamboo charcoal as carrier, load Multimetal oxide after Surface Oxidation Modification simultaneously, for propane and the adsorption cleaning of propylene gaseous mixture, but the adsorbent purification efficiency obtained is relatively low, all at 90 below %.
Summary of the invention
For the defect overcoming above-mentioned existing low concentration Hydrocarbon Treatment process to exist, the present invention provides a kind of low cost, preparation technology is simple, rare-earth metal modified monoblock type acticarbon that can improve low concentration hydrocarbon purification efficiency and its preparation method and application.
A kind of preparation method of rare-earth metal modified monoblock type acticarbon, it is characterized in that then the rare earth metal aqueous solution ammonia spirit precipitation that will have configured is added dropwise to monoblock type activated carbon surface, prepare rare-earth metal modified monoblock type acticarbon, specifically comprise the following steps that
At ambient temperature, configure 2 milliliters of rare earth metal aqueous solutions, dropping ammonia spirit to pH value is 8～10 while stirring, continue stirring 10～30 minutes, it is added dropwise on dried monoblock type absorbent charcoal carrier, the quality of carrier is 2 grams and is then placed in baking oven 200～250 DEG C and keeps 1～5 hour, makes modified monoblock type acticarbon.
Described rare earth metal aqueous solution is Lanthanum (III) nitrate, lanthanum chloride, cerous nitrate, ammonium ceric nitrate, neodymium nitrate, the one in Neodymium chloride aqueous solution or a combination thereof.
The concentration of described rare earth metal aqueous solution is 0.0160～0.160 mol/L.
The concentration of described ammonia spirit is 1.0～3.0 mol/L.
A kind of rare-earth metal modified monoblock type acticarbon, prepares according to any of the above-described described method.
The application that a kind of rare-earth metal modified monoblock type acticarbon eliminates at hydrocarbon purification.
The rare-earth metal modified monoblock type acticarbon prepared in aforementioned manners, the mass percent of its rare-earth oxide is 0.20 %～2.5 %, can be used for the adsorption cleaning of low concentration Hydrocarbon.
Compared with prior art, the remarkable advantage of rare-earth metal modified monoblock type acticarbon of the present invention is, high to the purification efficiency of low concentration Hydrocarbon, low cost, preparation technology is simple.When hydrocarbon concentration≤10 ppm, this material can reach 90 more than % to the purification efficiency of Hydrocarbon.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail: the present embodiment is implemented under premised on technical solution of the present invention, gives detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
100 mesh activated carbons (are made 10*10*48mm with the monoblock type activated carbon of non-modified, are weighed 2.10 g) for contrasting adsorbent, be placed on reaction tube (Φ 17 mm by the present invention, long 300 mm) in, it being passed through unstripped gas propylene, concentration is 10 ppm, remaining is air, volume space velocity 9000 h-1, under normal temperature and pressure conditions, highest netization efficiency is 54.5 %.
Embodiment 1 :
Weigh 0.0124g Lanthanum (III) nitrate and be dissolved in 2.0 ml deionized waters, dripping 2.0 mol/L ammonia to pH value the most while stirring is 9, continue stirring 20 minutes, obtained uniform suspension is added drop-wise to dried absorbent charcoal carrier and (100 mesh activated carbons is made 10*10*48mm, weight 2.07g) on, being then placed in baking oven 230 DEG C to keep 3 hours, make modified monoblock type acticarbon, the mass percent of its active component lanthana is 0.30 %.
The modified monoblock type acticarbon of the low concentration hydrocarbon purification that the present embodiment prepares, under normal temperature and pressure conditions, unstripped gas is the propylene of 10 ppm, and remaining is air, and volume space velocity is 9000 h-1, highest netization efficiency is 91.3 %.
Embodiment 2 :
Weigh 0.0370g Lanthanum (III) nitrate and be dissolved in 2.0 ml deionized waters, dripping 2.0 mol/L ammonia to pH value the most while stirring is 9, continue stirring 20 minutes, obtained uniform suspension is added drop-wise to dried absorbent charcoal carrier and (100 mesh activated carbons is made 10*10*48mm, weight 2.14g) on, being then placed in baking oven 230 DEG C to keep 3 hours, make modified monoblock type acticarbon, the mass percent of its active component lanthana is 0.86 %.
The modified monoblock type acticarbon of the low concentration hydrocarbon purification that the present embodiment prepares, under normal temperature and pressure conditions, unstripped gas is the propylene of 10 ppm, and remaining is air, and volume space velocity is 9000 h-1, highest netization efficiency is 95.7 %.
Embodiment 3 :
Weigh 0.0975g Lanthanum (III) nitrate and be dissolved in 2.0 ml deionized waters, dripping 2.0 mol/L ammonia to pH value the most while stirring is 9, continue stirring 20 minutes, obtained uniform suspension is added drop-wise to dried absorbent charcoal carrier and (100 mesh activated carbons is made 10*10*48mm, weight 2.21g) on, being then placed in baking oven 230 DEG C to keep 3 hours, make modified monoblock type acticarbon, the mass percent of its active component lanthana is 2.2 %.
The modified monoblock type acticarbon of the low concentration hydrocarbon purification that the present embodiment prepares, under normal temperature and pressure conditions, unstripped gas is the propylene of 10 ppm, and remaining is air, and volume space velocity is 9000 h-1, highest netization efficiency is 96.9 %.
Embodiment 4 :
Weigh 0.0176g cerous nitrate and be dissolved in 2.0 ml deionized waters, dripping 2.0 mol/L ammonia to pH value the most while stirring is 9, continue stirring 20 minutes, obtained uniform suspension is added drop-wise to dried absorbent charcoal carrier and (100 mesh activated carbons is made 10*10*48mm, weight 2.08g) on, being then placed in baking oven 230 DEG C to keep 3 hours, make modified monoblock type acticarbon, the mass percent of its active component ceria is 0.33 %.
The modified monoblock type acticarbon of the low concentration hydrocarbon purification that the present embodiment prepares, under normal temperature and pressure conditions, unstripped gas is the propylene of 10 ppm, and remaining is air, and volume space velocity is 9000 h-1, highest netization efficiency is 92.8 %.
Embodiment 5 :
Weigh 0.0525g cerous nitrate and be dissolved in 2.0 ml deionized waters, dripping 2.0 mol/L ammonia to pH value the most while stirring is 9, continue stirring 20 minutes, obtained uniform suspension is added drop-wise to dried absorbent charcoal carrier and (100 mesh activated carbons is made 10*10*48mm, weight 2.13g) on, being then placed in baking oven 230 DEG C to keep 3 hours, make modified monoblock type acticarbon, the mass percent of its active component ceria is 0.97 %.
The modified monoblock type acticarbon of the low concentration hydrocarbon purification that the present embodiment prepares, under normal temperature and pressure conditions, unstripped gas is the propylene of 10 ppm, and remaining is air, and volume space velocity is 9000 h-1, highest netization efficiency is 97.5%.
Embodiment 6 :
Weigh 0.126g cerous nitrate and be dissolved in 2.0 ml deionized waters, dripping 2.0 mol/L ammonia to pH value the most while stirring is 9, continue stirring 20 minutes, obtained uniform suspension is added drop-wise to dried absorbent charcoal carrier and (100 mesh activated carbons is made 10*10*48mm, weight 2.09g) on, being then placed in baking oven 230 DEG C to keep 3 hours, make modified monoblock type acticarbon, the mass percent of its active component ceria is 2.4 %.
The modified activated carbon absorbent of the low concentration hydrocarbon purification that the present embodiment prepares, under normal temperature and pressure conditions, unstripped gas is the propylene of 10 ppm, and remaining is air, and volume space velocity is 9000 h-1, highest netization efficiency is 97.9 %.
Embodiment 7 :
Weigh 0.0150g neodymium nitrate and be dissolved in 2.0 ml deionized waters, dripping 2.0 mol/L ammonia to pH value the most while stirring is 9, continue stirring 20 minutes, obtained uniform suspension is added drop-wise to dried absorbent charcoal carrier and (100 mesh activated carbons is made 10*10*48mm, weight 2.16g) on, being then placed in baking oven 230 DEG C to keep 3 hours, make modified monoblock type acticarbon, the mass percent of its active component Dineodymium trioxide is 0.26 %.
The modified monoblock type acticarbon of the low concentration hydrocarbon purification that the present embodiment prepares, under normal temperature and pressure conditions, unstripped gas is the propylene of 10 ppm, and remaining is air, and volume space velocity is 9000 h-1, highest netization efficiency is 90.3 %.
Embodiment 8 :
Weigh 0.0452g neodymium nitrate and be dissolved in 2.0 ml deionized waters, dripping 2.0 mol/L ammonia to pH value the most while stirring is 9, continue stirring 20 minutes, obtained uniform suspension is added drop-wise to dried absorbent charcoal carrier and (100 mesh activated carbons is made 10*10*48mm, weight 2.11g) on, being then placed in baking oven 230 DEG C to keep 3 hours, make modified monoblock type acticarbon, the mass percent of its active component Dineodymium trioxide is 0.82 %.
The modified monoblock type acticarbon of the low concentration hydrocarbon purification that the present embodiment prepares, under normal temperature and pressure conditions, unstripped gas is the propylene of 10 ppm, and remaining is air, and volume space velocity is 9000 h-1, highest netization efficiency is 94.7%.
Embodiment 9 :
Weigh 0.134g neodymium nitrate and be dissolved in 2.0 ml deionized waters, dripping 2.0 mol/L ammonia to pH value the most while stirring is 9, continue stirring 20 minutes, obtained uniform suspension is added drop-wise to dried absorbent charcoal carrier and (100 mesh activated carbons is made 10*10*48mm, weight 2.25g) on, being then placed in baking oven 230 DEG C to keep 3 hours, make modified monoblock type acticarbon, the mass percent of its active component Dineodymium trioxide is 2.3 %.
The modified monoblock type acticarbon of the low concentration hydrocarbon purification that the present embodiment prepares, under normal temperature and pressure conditions, unstripped gas is the propylene of 10 ppm, and remaining is air, and volume space velocity is 9000 h-1, highest netization efficiency is 95.8 %.

Claims (3)

1. the preparation method of a rare-earth metal modified monoblock type acticarbon, it is characterized in that then the rare earth metal aqueous solution ammonia spirit precipitation that will have configured is added dropwise to monoblock type activated carbon surface, prepare rare-earth metal modified monoblock type acticarbon, specifically comprise the following steps that
At ambient temperature, configure 2 milliliters of rare earth metal aqueous solutions, dropping ammonia spirit to pH value is 8～10 while stirring, continue stirring 10～30 minutes, it is added dropwise on dried monoblock type absorbent charcoal carrier, the quality of carrier is 2 grams and is then placed in baking oven 200～250 DEG C and keeps 1～5 hour, makes modified monoblock type acticarbon；
Described rare earth metal aqueous solution is Lanthanum (III) nitrate, lanthanum chloride, cerous nitrate, ammonium ceric nitrate, neodymium nitrate, the one in Neodymium chloride aqueous solution or a combination thereof；
The concentration of described rare earth metal aqueous solution is 0.0160～0.160 mol/L；
The concentration of described ammonia spirit is 1.0～3.0 mol/L.
2. a rare-earth metal modified monoblock type acticarbon, it is characterised in that according to claim1Described method prepares.
The application that a kind of rare-earth metal modified monoblock type acticarbon the most according to claim 2 eliminates at hydrocarbon purification.
CN201410614878.4A 2014-11-05 2014-11-05 A kind of rare-earth metal modified monoblock type acticarbon and preparation method and application Expired - Fee Related CN104383877B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410614878.4A CN104383877B (en) 2014-11-05 2014-11-05 A kind of rare-earth metal modified monoblock type acticarbon and preparation method and application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410614878.4A CN104383877B (en) 2014-11-05 2014-11-05 A kind of rare-earth metal modified monoblock type acticarbon and preparation method and application

Publications (2)

Publication Number Publication Date
CN104383877A CN104383877A (en) 2015-03-04
CN104383877B true CN104383877B (en) 2016-09-21

Family

ID=52601888

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410614878.4A Expired - Fee Related CN104383877B (en) 2014-11-05 2014-11-05 A kind of rare-earth metal modified monoblock type acticarbon and preparation method and application

Country Status (1)

Country Link
CN (1) CN104383877B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106178688A (en) * 2016-07-13 2016-12-07 方龙旺 A kind of filtering material of indoor air cleaner
CN106064083A (en) * 2016-07-13 2016-11-02 方龙旺 A kind of material for plant gas purification filtering
CN106040197A (en) * 2016-07-13 2016-10-26 方龙旺 Floating dust and exhaust gas filtering and adsorbing material
CN105964103A (en) * 2016-07-13 2016-09-28 方龙旺 Formula of air purification and bacterium adsorption material
CN105983389B (en) * 2016-07-15 2018-11-13 宋玉琴 The preparation method of activated carbon containing lanthanum
CN106268168A (en) * 2016-08-30 2017-01-04 武汉威富永磁科技有限公司 A kind of cleaning equipment for waste organic gas and purification method thereof
CN107537459A (en) * 2017-08-01 2018-01-05 云南省贵金属新材料控股集团有限公司 A kind of preparation method for handling bio-refractory industrial organic waste water catalyst
CN112371084A (en) * 2020-10-20 2021-02-19 广西南宁都宁通风防护设备有限公司 Preparation method and application of sterilized activated carbon

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040007506A1 (en) * 2002-02-12 2004-01-15 Chunshan Song Deep desulfurization of hydrocarbon fuels
CN102000548A (en) * 2010-12-02 2011-04-06 上海纳米技术及应用国家工程研究中心有限公司 Method for preparing modified active carbon adsorbent of low-concentration organic waste gas
CN102451665A (en) * 2010-11-01 2012-05-16 上海纳米技术及应用国家工程研究中心有限公司 Low-concentration hydrocarbon gas adsorbent and preparation method thereof
CN103433028A (en) * 2013-08-16 2013-12-11 南京工业大学 Three-effect NOx, CO and HC removing catalyst for ship engine and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040007506A1 (en) * 2002-02-12 2004-01-15 Chunshan Song Deep desulfurization of hydrocarbon fuels
CN102451665A (en) * 2010-11-01 2012-05-16 上海纳米技术及应用国家工程研究中心有限公司 Low-concentration hydrocarbon gas adsorbent and preparation method thereof
CN102000548A (en) * 2010-12-02 2011-04-06 上海纳米技术及应用国家工程研究中心有限公司 Method for preparing modified active carbon adsorbent of low-concentration organic waste gas
CN103433028A (en) * 2013-08-16 2013-12-11 南京工业大学 Three-effect NOx, CO and HC removing catalyst for ship engine and preparation method thereof

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
活性炭改性对乙烯吸附的研究;邓丛静;《中国优秀硕士学位论文全文数据库（工程科技I辑）》;20080915(第9期);第9期 *
添加稀土镧对吸附分离乙烯/乙烷的影响;周玉梅等;《高效化学工程学报》;20060228;第20卷(第1期);全文 *
采用CuCl2-La(NO3)3/AC吸附剂从乙烯-乙烷混合气中分离乙烯的研究;赵新强等;《石油学报（石油加工）》;20050630;第21卷(第3期);全文 *

Also Published As

Publication number Publication date
CN104383877A (en) 2015-03-04

Similar Documents

Publication Publication Date Title
CN104383877B (en) A kind of rare-earth metal modified monoblock type acticarbon and preparation method and application
CN105879879B (en) A kind of high sulfur resistive ultralow temperature SCR denitration and preparation method thereof
CN103990460B (en) Propane completely oxidizing catalyst and its preparation method and application
CN101804344A (en) Manganese/carbon nanotube denitrification catalytic reduction catalyst and preparation method thereof
CN105195170A (en) SCR (Selective Catalytic Reduction) denitration catalyst, and preparation method and application thereof
CN111686716B (en) WOxLow-temperature SCR (selective catalytic reduction) flue gas denitration catalyst with modified carbon nano tube loaded with metal oxide, and preparation method and application thereof
CN105170174A (en) Nitriding carbon-based catalyst used for low temperature SCR denitration and preparation method thereof
CN104383916B (en) A kind of low concentration nitric oxide eliminates catalyst and its preparation method and application
CN106552643A (en) It is a kind of that there is high resistance to SO_2 iron ore denitrating catalyst and its preparation method and application
CN111375382B (en) SO (SO) 2 Adsorbing material and preparation method thereof
CN106423148A (en) Zirconium-doped cerium-manganese oxide catalyst as well as preparation and application
CN103991947B (en) The method of modified molecular screen catalysis ozone Treatment of Wastewater in Coking
CN103464142B (en) Catalyst for removing nitrogen oxide through ammonia selective catalytic reduction and preparation method of catalyst
CN102580674B (en) Method for preparing mercury removal agent by utilizing modified waste tire pyrolysis residue
CN102172523B (en) Preparation method of medium-low temperature selective catalytic reduction denitration catalyst
CN103495388A (en) Modified activated carbon for low-concentration flue gas desulphurization and its preparation method
CN111013636A (en) Preparation method of low-temperature denitration catalyst based on municipal sludge
CN105126819A (en) Composite oxide catalyst for eliminating NH3, NO and soot particles at same time and preparation method and purpose of composite oxide catalyst
CN109433251A (en) It is a kind of for the bi-component supported catalyst of olefin catalytic burning process and its preparation and application
CN104474889A (en) Catalytic denitrification method
CN104014330A (en) Mesoporous cerium-tungsten-aluminum composite oxide carrier based denitration catalyst and preparation method thereof
CN110918117B (en) Catalyst for eliminating nitrogenous organic matters and preparation method thereof
CN107930624B (en) Composite catalyst for catalytic combustion of ethyl acetate and preparation method and application thereof
CN104492441B (en) Method for treating purge gas containing nitrogen oxide
CN105126822A (en) Preparation method of monolithic low-concentration nitrogen monoxide normal-temperature manganese oxide catalyst

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160921

Termination date: 20191105