CN103215104A - Mixed metal oxide oxygen carrier and preparation method thereof - Google Patents
Mixed metal oxide oxygen carrier and preparation method thereof Download PDFInfo
- Publication number
- CN103215104A CN103215104A CN2013101467825A CN201310146782A CN103215104A CN 103215104 A CN103215104 A CN 103215104A CN 2013101467825 A CN2013101467825 A CN 2013101467825A CN 201310146782 A CN201310146782 A CN 201310146782A CN 103215104 A CN103215104 A CN 103215104A
- Authority
- CN
- China
- Prior art keywords
- oxygen carrier
- metal oxides
- complex metal
- preparation
- wet gel
- 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
Links
Images
Abstract
The invention discloses a mixed metal oxide oxygen carrier and a preparation method thereof. The method comprises steps of: utilizing nitrate as an active component, and preparing a solution by using Cu(NO3)2 and Ce(NO3)3 which are in a mass ratio being (4.95-117.52):1; adding citric acid or ethylene glycol serving as a complexing agent and metal ions into the solution according to a molar ratio of 1:(1-3); stirring and evaporating the solution at temperature being below 100 DEG until being in a wet gel state, and drying the wet gel at temperature being below 120 DEG C to form dry gel; and calcinating the dry gel in a muffle furnace at 500-700 DEG C for 3-5 hours, then heating the dry gel to 800-900 DEG C and continuously calcinating and activating for 1-5 hours, thus obtaining the mixed metal oxide oxygen carrier which contains 80%-99% of CuO by mass and 1%-2% of CeO2 by mass. The preparation method is simple, and the obtained mixed metal oxide oxygen carrier have the advantages of uniform particle size, high porosity, small particle size, good active component dispersibility and good circulation stability and reactivity.
Description
Technical field
The invention belongs to the chemical material preparing technical field, be specifically related to composite oxides oxygen carrier of a kind of chemical chain burning technology and preparation method thereof.
Background technology
With CO
2The Global climate change that causes for main greenhouse gas has become the focus of people's growing interest, reduces discharging CO
2Become the focus of world today's research.Carbon captures with the technology of sealing up for safekeeping and is considered to reduce CO in the atmosphere
2One of effective means of concentration, the main at present preceding CO of burning that adopts
2Separation of C O after recovery, oxygen-enriched combusting, the burning
2Three kinds of technology.But the CO of fossil oil discharging
2Enormous amount, and CO in the product under the traditional combustion mode
2Often by N
2Dilution, separation is higher with the capture cost, and system energy efficiency significantly reduces, and also can produce NO simultaneously
x , SO
2Wait other pollutents.Chemical chain burning technology is clean as a new generation, the efficient burning technology, can realize CO
2In separate and avoid NO
x Pollutent produces, and can realize the cascade utilization of chemical energy, has become the important directions of world energy sources, research on environmental issues.
Burning chemistry chains comprises 2 placed in-line reactors: fuel reaction device and air reactor, the solid oxygen carrier circulates between 2 reactors, realizes the transfer of oxygen.Oxygen carrier recycles between two reactors, on the one hand by providing oxygen, the heat transferred fuel reaction device that produces in the oxidizing reaction with air reactor on the other hand in the oxidizing reaction of air reactor for the reduction reaction of fuel reaction device.The working cycle of chemistry chain, what follow is exactly the oxidation and the reduction of oxygen carrier.Therefore, the physics of oxygen carrier and chemical property are to realize the key point of different fuel burning chemistry chains.
At present, the main research of oxygen carrier concentrates on the oxide compound of transition metal such as Ni, Fe, Cu, Co, Mn.The metal oxide oxygen carrier has been subjected to paying close attention to widely owing to having higher reactivity and resistant to elevated temperatures advantage, wherein the CuO oxygen carrier has higher active and bigger oxygen carrying capability, and be thermopositive reaction with the carbon reaction, can reduce the energy requirement in the fuel reaction device, be a kind of oxygen carrier with application prospect.But the fusing point that CuO is lower makes its activity and cyclical stability at high temperature reduce, and occurs deficiencies such as sintering and reunion easily.
Summary of the invention
The objective of the invention is to overcome the shortcoming that prior art exists, compound oxygen carrier granule of a kind of CuO and its production and application is provided.
To achieve these goals, the technical solution adopted in the present invention is: a kind of complex metal oxides oxygen carrier, described oxygen carrier are CuO and CeO
2Composite oxides, wherein, percentage ratio meter by weight, the content of CuO is 80% ~ 99%, CeO
2Content be 1% ~ 20%.
A kind of preparation method of complex metal oxides oxygen carrier may further comprise the steps:
Step 1: stirring and dissolving Cu (NO
3)
2And Ce (NO
3)
3Make solution;
Step 2: add citric acid solution or ethylene glycol, be evaporated to the wet gel shape in the time of below 100 ℃ while stirring;
In the time of below step 3:120 ℃ above-mentioned wet gel is dried to the xerogel shape;
Step 4: xerogel is calcined under 500-700 ℃ of condition;
Step 5: be warming up to 800-900 ℃ of continuation calcining and activating oxygen carrier and obtain target product.
Cu (NO described in the step 1
3)
2And Ce (NO
3)
3Mass ratio be (4.95-117.52): 1.
The preferred 80-90 of vaporization temperature described in the step 2 ℃, the mol ratio of described citric acid or ethylene glycol and metal ion (Cu and Ce) is 1:(1-3).
Drying described in the step 3 adopts air dry oven, the preferred 90-110 of described drying temperature ℃.
Retort furnace is adopted in calcining described in the step 4, and described calcination time is 3-5 hour.
Calcination time described in the step 5 is 1-5 hour.
The present invention's advantage compared with prior art is: the preparation method of the compound oxygen carrier of CuO of the present invention is simple, gained complex metal oxides oxygen carrier granule particle diameter is even, the porosity height, grain diameter is little, the good dispersity of active ingredient, and have good cyclical stability and reactivity worth, can be used as the oxygen carrier in the chemical chain burning technology.
Description of drawings
Fig. 1 is the scanning electronic microscope shape appearance figure of product of the present invention before circulating reaction.
Fig. 2 is the scanning electronic microscope shape appearance figure of product of the present invention behind circulating reaction.
Fig. 3 is the oxygen release conversion rate curve of product of the present invention under 900 ℃.
Embodiment
Further specify the present invention below in conjunction with example:
Raw material in the present embodiment is analytical pure Cu (NO
3)
2Product; Complexing agent is analytical pure citric acid or analytical pure ethylene glycol; Adulterated metal nitrate is analytical pure Ce (NO
3)
3Cu (NO
3)
2With Ce (NO
3)
3Mass ratio be 4.95-117.52:1; The mol ratio of complexing agent and metal ion (Cu and Ce) is 1:1-3; Vaporization temperature is below 100 ℃; Drying temperature is below 120 ℃; Calcining temperature is 500-700 ℃; Activation temperature is 800-900 ℃.
The product of gained of the present invention can pass through scanning electronic microscope (SEM) and characterize reaction front and back pattern, thermogravimetric analyzer (TGA) test reaction performance.
Concrete preparation technology's flow process of present embodiment is as follows:
Step 1: Cu (NO
3)
2And Ce (NO
3)
3Solution joins in the beaker that fills water, is stirred to the solution uniform mixing, and solid dissolves fully;
Step 2: in beaker, add citric acid solution or ethylene glycol, beaker is placed on the magnetic stirring apparatus that has water bath with thermostatic control, be stirred to the formation wet gel when not being higher than 100 ℃ while evaporating;
Step 3: beaker is placed air dry oven, when not being higher than 120 ℃ above-mentioned wet gel is not dried to the xerogel shape;
Step 4: xerogel is taken out from beaker, place 500-700 ℃ retort furnace to be fired to that organism fully burns and nitrate decomposes fully;
Step 5: retort furnace is warming up to 800-900 ℃, continues calcining 1-5 hour, can collect and obtain the complex metal oxides oxygen carrier.
Embodiment 1:
Get 24.16 g Cu (NO
3)
33H
2O puts into the beaker of 500 ml, adds the distilled water of 100 ml, then beaker is placed on the magnetic stirring apparatus that has water bath with thermostatic control, and stirring velocity is 400 rpm.Get 5.05 g Ce (NO
3) 36H
2O puts into the beaker of 100 ml, adds the distilled water of 50 ml, is stirred to dissolving fully.Then cerous nitrate solution is added drop-wise in the copper nitrate solution, stirs while dripping.Get 42 g citric acids, the beaker of putting into 100 ml distilled water is stirred to whole dissolvings, treat that above-mentioned solution stirring evenly after, add citric acid solution slowly, stirring while dripping.Stir after 2 hours under 100 ℃ of conditions, solution has dewatered and has become thick wet gel.Wet gel is placed 120 ℃ air dry oven, and after dry 12 hours, wet gel becomes xerogel in the beaker.Xerogel is taken out, place 700 ℃ retort furnace calcining 5 hours to citric acid and nitrate to decompose fully, retort furnace is warming up to 900 ℃ again, constant temperature calcining 1 hour is used to activate oxygen carrier, obtains the complex metal oxides oxygen carrier, wherein the mass content of CuO is 80%, CeO
2Content be 20%.SEM shows that the compound oxygen carrier of CuO that this example makes has that particle diameter is little, good dispersion degree, porosity height, form advantage of uniform, as shown in Figure 1.Sintering and agglomeration do not appear in the compound oxygen carrier of the CuO surface that this example made after Fig. 2 demonstration repeatedly circulated, and show to have good stability.Fig. 3 is the oxygen release rate curve of product under 950 ℃ of present embodiment, shows that oxygen carrier has good reaction activity, can be used for the burning chemistry chains of fuel.
Embodiment 2:
Get 54.36 g Cu (NO
3)
33H
2O puts into the beaker of 500 ml, adds the distilled water of 100 ml, then beaker is placed on the magnetic stirring apparatus that has water bath with thermostatic control, and stirring velocity is 400 rpm.Get 5.05 g Ce (NO
3) 6H
2O puts into the beaker of 100 ml, adds the distilled water of 50 ml, is stirred to dissolving fully.Then cerous nitrate solution is added drop-wise in the copper nitrate solution, stirs while dripping.Get 84 g citric acids, the beaker of putting into 100 ml distilled water is stirred to whole dissolvings, treat that above-mentioned solution stirring evenly after, add citric acid solution slowly, stirring while dripping.Stir after 4 hours under 80 ℃ of conditions, solution has dewatered and has become thick wet gel.Wet gel is placed 110 ℃ air dry oven, and after dry 18 hours, wet gel becomes xerogel in the beaker.Xerogel is taken out, place 600 ℃ retort furnace calcining 4 hours to citric acid and nitrate to decompose fully, retort furnace is warming up to 850 ℃ again, constant temperature calcining 3 hours is used to activate oxygen carrier, obtains the complex metal oxides oxygen carrier, wherein the mass content of CuO is 90%, CeO
2Content be 10%.
Embodiment 3:
Get 28.69g Cu (NO
3)
33H
2O puts into the beaker of 500 ml, adds the distilled water of 100 ml, then beaker is placed on the magnetic stirring apparatus that has water bath with thermostatic control, and stirring velocity is 400 rpm.Get 1.26g Ce (NO
3) 6H
2O puts into the beaker of 100 ml, adds the distilled water of 50 ml, is stirred to dissolving fully.Then cerous nitrate solution is added drop-wise in the copper nitrate solution, stirs while dripping.After treating that above-mentioned solution stirring evenly, get 24.8 g ethylene glycol and add slowly in the mixing solutions of cerous nitrate and cupric nitrate, stir while dripping.Stir after 5 hours under 70 ℃ of conditions, solution has dewatered and has become thick wet gel.Wet gel is placed 100 ℃ air dry oven, and after dry 24 hours, wet gel becomes xerogel in the beaker.Xerogel is taken out, place 500 ℃ retort furnace calcining 5 hours to ethylene glycol and nitrate to decompose fully, retort furnace is warming up to 800 ℃ again, constant temperature calcining 5 hours is used to activate oxygen carrier, obtains the complex metal oxides oxygen carrier, wherein the mass content of CuO is 95%, CeO
2Content be 5%.
Embodiment 4:
Get 29.90g Cu (NO
3)
33H
2O puts into the beaker of 500 ml, adds the distilled water of 100 ml, then beaker is placed on the magnetic stirring apparatus that has water bath with thermostatic control, and stirring velocity is 400 rpm.Get 0.25 g Ce (NO
3) 6H
2O puts into the beaker of 100 ml, adds the distilled water of 50 ml, is stirred to dissolving fully.Then cerous nitrate solution is added drop-wise in the copper nitrate solution, stirs while dripping.Get the 21g citric acid, the beaker of putting into 100 ml distilled water is stirred to whole dissolvings, treat that above-mentioned solution stirring evenly after, add citric acid solution slowly, stirring while dripping.Be stirred to solution dehydrates under 60 ℃ of conditions and become thick wet gel.Wet gel is placed 100 ℃ air dry oven, and after dry 24 hours, wet gel becomes xerogel in the beaker.Xerogel is taken out, place 500 ℃ retort furnace calcining 5 hours to citric acid and nitrate to decompose fully, retort furnace is warming up to 800 ℃ again, constant temperature calcining 5 hours is used to activate oxygen carrier, obtains the complex metal oxides oxygen carrier, wherein the mass content of CuO is 99%, CeO
2Content be 1%.
Claims (10)
1. a complex metal oxides oxygen carrier is characterized in that described oxygen carrier is CuO and CeO
2Composite oxides, wherein, percentage ratio meter by weight, the content of CuO is 80%-99%, CeO
2Content be 1%-20%.
2. complex metal oxides oxygen carrier according to claim 1 is characterized in that described oxygen carrier prepares according to the following steps:
Step 1: stirring and dissolving Cu (NO
3)
2And Ce (NO
3)
3Make solution;
Step 2: add citric acid solution or ethylene glycol, be evaporated to the wet gel shape in the time of below 100 ℃ while stirring;
In the time of below step 3:120 ℃ above-mentioned wet gel is dried to the xerogel shape;
Step 4: xerogel is calcined under 500-700 ℃ of condition;
Step 5: be warming up to 800-900 ℃ of continuation calcining and activating oxygen carrier and obtain target product.
3. complex metal oxides oxygen carrier according to claim 1 is characterized in that the Cu (NO described in the step 1
3)
2And Ce (NO
3)
3Mass ratio be (4.95-117.52): 1.
4. complex metal oxides oxygen carrier according to claim 1 is characterized in that the preferred 80-90 of the vaporization temperature described in the step 2 ℃, and the mol ratio of described citric acid or ethylene glycol and metal ion is 1:(1-3).
5. complex metal oxides oxygen carrier according to claim 1 is characterized in that the drying described in the step 3 adopts air dry oven, the preferred 90-110 of described drying temperature ℃.
6. complex metal oxides oxygen carrier according to claim 1 is characterized in that the calcining employing retort furnace described in the step 4, and described calcination time is 3-5 hour; Calcination time described in the step 5 is 1-5 hour.
7. the preparation method of a complex metal oxides oxygen carrier is characterized in that may further comprise the steps:
Step 1: stirring and dissolving Cu (NO
3)
2And Ce (NO
3)
3Make solution;
Step 2: add citric acid solution or ethylene glycol, be evaporated to the wet gel shape in the time of below 100 ℃ while stirring;
In the time of below step 3:120 ℃ above-mentioned wet gel is dried to the xerogel shape;
Step 4: xerogel is calcined under 500-700 ℃ of condition;
Step 5: be warming up to 800-900 ℃ of continuation calcining and activating oxygen carrier and obtain target product.
8. the preparation method of complex metal oxides oxygen carrier according to claim 7 is characterized in that the Cu (NO described in the step 1
3)
2And Ce (NO
3)
3Mass ratio be (4.95-117.52): 1.
9. the preparation method of complex metal oxides oxygen carrier according to claim 7 is characterized in that the preferred 80-90 of the vaporization temperature described in the step 2 ℃, and the mol ratio of described citric acid or ethylene glycol and metal ion is 1:(1-3).
10. the preparation method of complex metal oxides oxygen carrier according to claim 7 is characterized in that the drying described in the step 3 adopts air dry oven, the preferred 90-110 of described drying temperature ℃; Retort furnace is adopted in calcining described in the step 4, and described calcination time is 3-5 hour; Calcination time described in the step 5 is 1-5 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101467825A CN103215104A (en) | 2013-04-24 | 2013-04-24 | Mixed metal oxide oxygen carrier and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101467825A CN103215104A (en) | 2013-04-24 | 2013-04-24 | Mixed metal oxide oxygen carrier and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103215104A true CN103215104A (en) | 2013-07-24 |
Family
ID=48813275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101467825A Pending CN103215104A (en) | 2013-04-24 | 2013-04-24 | Mixed metal oxide oxygen carrier and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103215104A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103789061A (en) * | 2014-01-17 | 2014-05-14 | 南京理工大学 | Cobalt-based composite oxygen carrier and preparation method thereof |
| CN103849444A (en) * | 2014-03-17 | 2014-06-11 | 南京理工大学 | Copper-based compound oxygen carrier and preparation method thereof |
| CN104028275A (en) * | 2014-06-10 | 2014-09-10 | 浙江大学 | Cerium-copper composite oxide catalyst for SO3 catalytic decomposition and preparation method of cerium-copper composite oxide catalyst |
| CN104944458A (en) * | 2015-06-10 | 2015-09-30 | 济南大学 | Method for preparing porous cerium-based oxide from water-soluble cerium precursor |
| CN105385480A (en) * | 2014-09-05 | 2016-03-09 | 南京理工大学 | Potassium-containing copper-based composite oxygen carrier and preparation method thereof |
| CN105462650A (en) * | 2014-09-05 | 2016-04-06 | 南京理工大学 | Aluminum-containing copper-based composite oxygen carrier and preparation method therefor |
| CN106531454A (en) * | 2016-12-29 | 2017-03-22 | 铜陵市胜美达电子制造有限公司 | Ageing-resistant cobaltosic oxide nanowire carbon aerogel composite supercapacitor positive electrode material and preparation method thereof |
| CN107739044A (en) * | 2017-11-01 | 2018-02-27 | 海城海美抛光材料制造有限公司 | A kind of preparation method of extra specific surface area ceria |
| CN109054756A (en) * | 2018-06-21 | 2018-12-21 | 昆明理工大学 | A kind of core-shell structure Fe2O3-CeO2The preparation method of/(Al@C) the high temperature composite phase-change heat-storage carrier of oxygen |
| CN113488217A (en) * | 2021-06-22 | 2021-10-08 | 中国原子能科学研究院 | Preparation method of simulated spent fuel |
| CN115430288A (en) * | 2022-10-11 | 2022-12-06 | 太原理工大学 | Chemical chain deoxidation method for power plant flue gas |
| CN116532130A (en) * | 2023-07-04 | 2023-08-04 | 潍坊学院 | Multi-metal composite oxygen carrier, preparation method thereof and application thereof in preparation of butene through butane dehydrogenation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101811054A (en) * | 2009-02-24 | 2010-08-25 | 华东理工大学 | Copper-cerium solid solution catalyst for methane catalytic combustion, and preparation method thereof |
-
2013
- 2013-04-24 CN CN2013101467825A patent/CN103215104A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101811054A (en) * | 2009-02-24 | 2010-08-25 | 华东理工大学 | Copper-cerium solid solution catalyst for methane catalytic combustion, and preparation method thereof |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103789061A (en) * | 2014-01-17 | 2014-05-14 | 南京理工大学 | Cobalt-based composite oxygen carrier and preparation method thereof |
| CN103849444A (en) * | 2014-03-17 | 2014-06-11 | 南京理工大学 | Copper-based compound oxygen carrier and preparation method thereof |
| CN104028275A (en) * | 2014-06-10 | 2014-09-10 | 浙江大学 | Cerium-copper composite oxide catalyst for SO3 catalytic decomposition and preparation method of cerium-copper composite oxide catalyst |
| CN105385480A (en) * | 2014-09-05 | 2016-03-09 | 南京理工大学 | Potassium-containing copper-based composite oxygen carrier and preparation method thereof |
| CN105462650A (en) * | 2014-09-05 | 2016-04-06 | 南京理工大学 | Aluminum-containing copper-based composite oxygen carrier and preparation method therefor |
| CN104944458A (en) * | 2015-06-10 | 2015-09-30 | 济南大学 | Method for preparing porous cerium-based oxide from water-soluble cerium precursor |
| CN106531454A (en) * | 2016-12-29 | 2017-03-22 | 铜陵市胜美达电子制造有限公司 | Ageing-resistant cobaltosic oxide nanowire carbon aerogel composite supercapacitor positive electrode material and preparation method thereof |
| CN107739044A (en) * | 2017-11-01 | 2018-02-27 | 海城海美抛光材料制造有限公司 | A kind of preparation method of extra specific surface area ceria |
| CN109054756A (en) * | 2018-06-21 | 2018-12-21 | 昆明理工大学 | A kind of core-shell structure Fe2O3-CeO2The preparation method of/(Al@C) the high temperature composite phase-change heat-storage carrier of oxygen |
| CN109054756B (en) * | 2018-06-21 | 2020-10-27 | 昆明理工大学 | Core-shell structure Fe2O3-CeO2Preparation method of (Al @ C) high-temperature composite phase-change heat-storage oxygen carrier |
| CN113488217A (en) * | 2021-06-22 | 2021-10-08 | 中国原子能科学研究院 | Preparation method of simulated spent fuel |
| CN115430288A (en) * | 2022-10-11 | 2022-12-06 | 太原理工大学 | Chemical chain deoxidation method for power plant flue gas |
| CN115430288B (en) * | 2022-10-11 | 2023-12-22 | 太原理工大学 | Chemical chain deoxidation method for power plant flue gas |
| CN116532130A (en) * | 2023-07-04 | 2023-08-04 | 潍坊学院 | Multi-metal composite oxygen carrier, preparation method thereof and application thereof in preparation of butene through butane dehydrogenation |
| CN116532130B (en) * | 2023-07-04 | 2023-09-08 | 潍坊学院 | Multi-metal composite oxygen carrier, preparation method thereof and application thereof in preparation of butene through butane dehydrogenation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103215104A (en) | Mixed metal oxide oxygen carrier and preparation method thereof | |
| CN101293201B (en) | Method for preparing methyl hydride combustion catalyst | |
| CN109364940A (en) | Charcoal loads ferrimanganic bimetallic oxide light Fenton composite material and preparation method | |
| CN104164273B (en) | A kind of preparation method of calcium base load oxysome | |
| CN103043704A (en) | Preparation method of nano copper sulphide taking L-cysteine as ligand | |
| CN103374430B (en) | High-stability oxygen carrier, preparation method and applications | |
| CN102443454B (en) | Oxygen carrier of chemical-looping combustion and preparation method and application thereof | |
| CN102443453A (en) | Composite oxide oxygen carrier for chemical chain combustion as well as preparation method and application thereof | |
| CN108097239B (en) | Novel coal coke carbon dioxide gasification catalyst and preparation method thereof | |
| CN103372436B (en) | Oxygen carrier, preparation method and applications | |
| CN101412542A (en) | Method for preparing perovskite type LaFe0.5Mn0.5O3 by geoceric acid solution combustion method | |
| CN103849444A (en) | Copper-based compound oxygen carrier and preparation method thereof | |
| CN103113955B (en) | Preparation method of nano porous iron-base oxygen carrier for biological oil chemical-looping hydrogen production | |
| CN102862959B (en) | Applications and preparation of high-activity oxygen carrier in chemical looping circulation hydrogen production | |
| CN107185544A (en) | A kind of mesoporous loaded catalyst CuO LaCoO3Preparation method | |
| CN104130821A (en) | Manganese-containing cobalt-based complex oxygen carrier and preparation method thereof | |
| CN104119983A (en) | Ferriferous copper based composite oxygen carrier and preparation method thereof | |
| CN103289777A (en) | Composite oxide oxygen carrier as well as preparation method and application thereof in chemical chain oxygen decoupling | |
| CN102070196A (en) | Method for preparing manganese dioxide nano rod at low temperature | |
| CN104119984A (en) | Calcium-containing copper-based composite oxygen carrier and preparation method thereof | |
| CN108273522B (en) | A kind of Z-type semiconductor light-catalyst and its preparation method and application with trapezium structure | |
| CN110586124A (en) | Preparation and application of FeMn oxide low-temperature denitration catalyst with ultrahigh specific surface area | |
| CN103215102A (en) | Composite-type oxygen carrier particles, preparation, and application in chemical chain oxygen decoupling technology | |
| CN102864007B (en) | A kind of oxygen carrier for chemical chain burning technology and its preparation method and application | |
| CN103789061A (en) | Cobalt-based composite oxygen carrier and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130724 |