CN1895781A - Preparation of multi-component titanium-based catalyst carrier - Google Patents
Preparation of multi-component titanium-based catalyst carrier Download PDFInfo
- Publication number
- CN1895781A CN1895781A CN 200510046863 CN200510046863A CN1895781A CN 1895781 A CN1895781 A CN 1895781A CN 200510046863 CN200510046863 CN 200510046863 CN 200510046863 A CN200510046863 A CN 200510046863A CN 1895781 A CN1895781 A CN 1895781A
- Authority
- CN
- China
- Prior art keywords
- carrier
- rare earth
- zirconium
- preparation
- catalyst carrier
- 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.)
- Granted
Links
Landscapes
- Catalysts (AREA)
Abstract
A process for preparing a multi-element carrier of Ti-base catalyst includes such steps as providing TiO2, proportionally adding Zr and/or RE, pore forming agent and adhesive, grinding while mixing, extruding to become strip, drying, cutting to become particles, and calcining. It has high stability, mechanical strength and O2-bearing power.
Description
Technical field
The invention belongs to the catalyst carrier preparation field.Relate to a kind of many components titanium-based catalyst carrier preparation method specifically.
Background technology
Various industrial wastewaters contain the toxic pollutant that the simple biological method based on active sludge treatment is difficult to remove usually.Therefore, adopt chemically treated method to handle the organic wastewater of difficult degradation usually.Wherein, use the wet oxidation process of solid catalyst (, CWO), to enjoy people to attract attention in recent years because the purification of waste water ability is strong and superiority economically hereinafter to be referred as catalytic wet air oxidation.Adopting the CWO method to handle high concentrated organic wastewater, be described as second generation water technology, is a frontier of present environmental protection water treatment development.
CWO is handled high concentration, organic wastewater with difficult degradation thereby carries out under high temperature, high pressure, strong hydrothermal system condition, and majority is to carry out in the fixed bed reactors of Continuous Flow.Used catalyst is a heterogeneous catalysis, and active catalytic components wherein or material load are on metal oxide inertia or resistant to elevated temperatures.
The heterogeneous catalyst carrier granular that is applicable to fixed bed generally should satisfy following requirement at least: 1. compression strength height, abrasion resistance properties are good, with catalyst granules fragmentation, the efflorescence that prevents to cause in transportation, the beds filling process, course of reaction at catalyst, thereby cause beds to stop up; 2. the carrier composition keeps stable in course of reaction, with the problems of avoiding running off and being caused owing to carrier component such as catalyst efflorescence, obstruction reactor bed and active constituent loss.And the catalyst carrier that adopts at present, mainly be aluminium matter and siliceous, because these catalyst carriers intensity under high temperature, high pressure, strong hydrothermal, acid-base condition is not high, endurance quality is poor, is prone to support strength reduction, efflorescence, dissolution phenomena in the application process, thereby cause reaction tube to stop up.
With the catalyst of titanium dioxide, show excellent hydrothermal stability and excellent anti-poisoning capability usually as carrier.Since in the high-concentration hardly-degradable waste water processing procedure, the treatment conditions harshness, species complexity in the waste water, thereby titanium dioxide demonstrates unique advantage.US 5,192, and 452 provide a kind of Ti-Zr bicomponent catalyst preparing carriers method, are raw material with titanyl sulfate, basic zirconium chloride, prepare titanium-zirconium complex carrier by coprecipitation method.This carrier can obtain titanium-zirconium-cerium complex carrier by the dipping cerous nitrate.Owing to the adding of zirconium, rare-earth element cerium, can improve the compression strength of carrier, can also improve the oxygen storage capacity of catalyst carrier, thereby help improving the catalytic oxidation performance of catalyst.But, preparing carrier according to above-mentioned coprecipitation method, that material purity requires is high, manufacturing cycle is long, preparation process is complicated, preparation expense height, production efficiency are low.
Summary of the invention
The present invention aims to provide the high strength preparation of multi-component titanium-based catalyst carrier that a kind of preparation cost is low, simple for process, manufacturing cycle is short, production efficiency is high.
Technical scheme provided by the invention is as follows:
The present invention includes a kind of preparation of multi-component titanium-based catalyst carrier, operate according to following steps:
A. be benchmark with the first carrier component titanium dioxide, the mixture that adds zirconium, rare earth or the zirconium of 5-50% by weight and rare earth is as second carrier component, the pore creating material of 2-10% and the binding agent of 40-80%, grind be mixed even;
B. adopt the machine-shaping of extruded moulding method and be dried to constant weight, pelletizing;
C. under 500-900 ℃ of high temperature, obtained carrier granular in roasting 4-10 hour.
The described first carrier component titanium dioxide can be selected from industrial low-quality titanium dioxide, pigment-level titanium dioxide and various industrial titanium dioxide, also can select the intermediate products metatitanic acid of Titanium White Production By Sulfuric Acid Process for use.
The ratio of described second carrier component middle rare earth and zirconium can be arbitrarily, and promptly the content of its middle rare earth and zirconium all can be expressed as 0～100%, is not 0 simultaneously but prerequisite is the content of the second carrier component middle rare earth and zirconium.The raw material zirconium can be selected from various zirconium-containing compounds such as zirconia, zirconium carbonate, zirconium nitrate or basic zirconium chloride; The raw material rare earth can be selected from carbonated rare earth, rare earth chloride, rare earth oxide, one or more of rare-earth compounds such as salt of rare earth elements such as lanthanum, cerium, praseodymium, neodymium (as carbonate, nitrate, chloride, sulfate and acylate etc.) and oxide thereof.
Pore creating material is the material that at high temperature can volatilize, and can volatilize in roasting process or decomposes and remove, thereby make final carrier have suitable pore size distribution.The pore creating material of selecting among the present invention can be a carbon compound, as coke, powdered carbon, graphite powder, starch, methylcellulose etc., also can be labile salts such as carbonate, nitrate.
The adding of binding agent is for kneaded together powder material, and improves the crushing strength and the anti-wear performance of carrier, and finally obtains high-intensity carrier.The binding agent that is adopted among the present invention is divided into two kinds: permanent binding agent and temporary binding agent, they can be used alone, but also also mix together.Permanent binding agent can improve the crushing strength and the scuff resistance of carrier, chooses aqueous solution of titanyle sulfate and/or metatitanic acid-acid (hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, formic acid or acetate etc.) as permanent adhesive.Temporary binding agent can be kneaded together with powder material, is convenient to moulding.Temporary binding agent can be water, cellulose compound (as cellulose, methylcellulose, carboxymethyl cellulose, ethyl cellulose, carboxyethyl cellulose etc.), stearic acid compound (as methyl stearate, ethyl stearte etc.), thermosetting resin (as epoxy resin, phenolic resins etc.), thermoplastic resin (as polyethylene, polypropylene etc.), paraffin, starch etc.
Selected raw material all is commercially available industrial goods, and is cheap and easy to get.
Binding agent can directly add in the powder of prescription when using, and rolls mixing; Also can be dispersed or dissolved in the suitable diluent (being diluent with water when using methylcellulose and polyvinyl alcohol) earlier, then formed thick slurry be joined through rolling in the dry powder of mixing as binding agent.Usually, a kind of mode in back is more suitable for operation.
Behind extruded moulding, the shape of carrier can be column type, Raschig ring type, porous circular cylinder type, trifolium-shaped, bunge bedstraw herb type or honeycomb ceramic type etc., and the carrier granular after the extrusion can obtain carrier granulars such as ball type, sphere through after the shaping.
The roasting mode can adopt direct intensification or temperature-programmed calcination, is good with temperature-programmed mode; Sintering temperature is at 400-1000 ℃, and optimum range is at 500-900 ℃.Roasting time was at 2-36 hour, and Best Times is 4-10 hour.
Concrete preparation method is as follows for multi-component titanium-based catalyst carrier of the present invention:
The powder (comprising first carrier component, second carrier component and pore creating material) of above-mentioned raw materials is required to mix according to prescription, grind and be mixed evenly, the material that mixes is sent in the kneader, add binding agent gradually and mix and pinch.With kneaded raw material extruded moulding and be dried to constant weight.Drying can be divided into usually two the step carry out, the about 12-24 of air dry at first at room temperature hour, then in 80-120 ℃ of heat drying 4-10 hour.Again dried carrier is cut into the particle of certain-length.The preparation technology of above-mentioned carrier is those skilled in the art's a known technology.For the preparation of large batch of Industrial Catalysis agent carrier, also can in extruded moulding, accompany by hot-air seasoning, directly granulation or segment.At last, adopt temperature-programmed mode to the carrier granular roasting, heating rate generally is controlled at 1-10 ℃/minute and is advisable, and is warming up to 500-900 ℃ and kept 4-10 hour, promptly obtains carrier granular.
Specific area 6-19m according to the prepared catalyst carrier of method of the present invention
2/ g, side direction compression strength 36-150N/mm.The specific area of carrier and side pressure strength can come modulation by change carrier compound, support shapes, sintering temperature.
The present invention also comprise with according to the method described above the preparation catalyst carrier particle further regulate the composition of carrier by flooding other soluble-salts that contain the second carrier component element (as inorganic salts such as carbonate, nitrate, chloride, sulfate), to improve the physical and chemical performance of carrier.
According to the prepared many components titanium-based catalyst carrier of method of the present invention have under high temperature, high pressure, strong hydrothermal reaction condition stable existence, do not run off, advantage such as mechanical strength height, oxygen uptake oxygen storage capacity are strong, can be applicable to the Preparation of Catalyst of relevant chemical field.Be particularly useful for CWO (CWO) processing high concentration hard-degraded organic waste water process under high temperature, high pressure, the strong hydrothermal condition according to the prepared many components titanium-based catalyst carrier of method of the present invention.For example, the carrier granular that adopts the inventive method to prepare behind dipping cheap metal active constituent, is used for treating high-concentration organic wastewater through catalytic oxidation.At reaction temperature 200-270 ℃, reaction pressure 50-90Kg/cm
2Operating condition under, COD clearance 〉=85%.Before and after reaction, the intensity of catalyst and carrier is constant, does not have to run off.
The specific embodiment
The following examples only are used to further specify the present invention, and are not to limit the present invention by any way.Used titanium dioxide is commercially available pigment-level titanium dioxide among the embodiment, and other chemical raw material is commercially available industrial goods.
The preparation example
Embodiment 1
Titanium dioxide 100g, zirconia 20g, methylcellulose 3g
Starch 1.5g powdered carbon 1.5gMix, add (TiO then
2150-250g/L) aqueous solution of titanyle sulfate
55g, mixing and to pinch, extruded moulding is the cylindrical strip carrier of φ 3mm, drying at room temperature is spent the night, 105 ℃ of dryings 2 hours, pelletizing is the cylindrical vector particle of φ 3 * (3-8) mm, is warmed up to 700 ℃ of roastings 4 hours, obtains catalyst carrier.
Embodiment 2
Titanium dioxide 100g, zirconium carbonate 10g, methylcellulose 3g starch 1.5g powdered carbon 1.5g mixes, and adds (TiO then
2150-250g/L) aqueous solution of titanyle sulfate 60g mixes and pinches, and extruded moulding is the cylindrical strip carrier of φ 3mm, drying at room temperature is spent the night, 105 ℃ of dryings 2 hours, and pelletizing is the cylindrical vector particle of φ 3 * (3-8) mm, be warmed up to 700 ℃ of roastings 4 hours, obtain catalyst carrier.
Embodiment 3
Titanium dioxide 100g, rich cerium carbonated rare earth 20g, methylcellulose 3g starch 1.5g powdered carbon 1.5g mixes, and adds (TiO then
2150-250g/L) aqueous solution of titanyle sulfate 60g mixes and pinches, and extruded moulding is the cylindrical strip carrier of φ 3mm, drying at room temperature is spent the night, 105 ℃ of dryings 2 hours, and pelletizing is the cylindrical vector particle of φ 3 * (3-8) mm, be warmed up to 700 ℃ of roastings 4 hours, obtain catalyst carrier.
Embodiment 4
Titanium dioxide 100g, cerium-rich rare earth oxide 20g, rich cerium carbonated rare earth 10g, zirconium carbonate 10g, methylcellulose 3g starch 1.5g powdered carbon 1.5g mixes, and adds (TiO then
2150-250g/L) aqueous solution of titanyle sulfate 70g mixes and pinches, and extruded moulding is the cylindrical strip carrier of φ 3mm, drying at room temperature is spent the night, 105 ℃ of dryings 2 hours, and pelletizing is the cylindrical vector particle of φ 3 * (3-8) mm, be warmed up to 700 ℃ of roastings 4 hours, obtain catalyst carrier.
Embodiment 5
Titanium dioxide 100g, cerium-rich rare earth oxide 20g, rich cerium carbonated rare earth 10g, zirconium carbonate 10g, methylcellulose 3g starch 1.5g powdered carbon 1.5g mixes, and adds (TiO then
2150-250g/L) aqueous solution of titanyle sulfate 70g mixes and pinches, and extruded moulding is the cylindrical strip carrier of φ 3mm, drying at room temperature is spent the night, 105 ℃ of dryings 2 hours, and pelletizing is the cylindrical vector particle of φ 3 * (3-8) mm, be warmed up to 550 ℃ of roastings 4 hours, obtain catalyst carrier particle.
Embodiment 6
Titanium dioxide 100g, cerium-rich rare earth oxide 20g, rich cerium carbonated rare earth 10g, zirconium carbonate 10g, methylcellulose 3g, starch 1.5g powdered carbon 1.5g mixes, and adds (TiO then
2150-250g/L) aqueous solution of titanyle sulfate 70g mixes and pinches, and extruded moulding is the cylindrical strip carrier of φ 3mm, drying at room temperature is spent the night, 105 ℃ of dryings 2 hours, and pelletizing is the cylindrical vector particle of φ 3 * (3-8) mm, be warmed up to 800 ℃ of roastings 4 hours, obtain catalyst carrier.
Embodiment 7
Titanium dioxide 100g, cerium-rich rare earth oxide 20g, rich cerium carbonated rare earth 10g, zirconium carbonate 10g, methylcellulose 3g, starch 1.5g, powdered carbon 1.5g mixes, and adds (TiO then
2150-250g/L) aqueous solution of titanyle sulfate 70g mixes and pinches, and extruded moulding is the cylindrical strip carrier of φ 3mm, drying at room temperature is spent the night, 105 ℃ of dryings 2 hours, and pelletizing is the cylindrical vector particle of φ 3 * (3-8) mm, be warmed up to 950 ℃ of roastings 4 hours, obtain catalyst carrier.
Test and application examples
Embodiment 8
The side direction compression strength of many components titanium-based catalyst carrier and the specific area test data of carrier see Table 1.
Table 1
| Carrier | Carrier side is to compression strength (N/mm) | Carrier specific area (m 2/g) |
| Embodiment 1 | 80 | 11 |
| Embodiment 2 | 58 | 14 |
| Embodiment 3 | 60 | 12 |
| Embodiment 4 | 76 | 16 |
| Embodiment 5 | 36 | 19 |
| Embodiment 6 | 83 | 11 |
| Embodiment 7 | 150 | 6 |
Embodiment 9
The carrier granular that adopts the method among the embodiment 4 to prepare, behind dipping cheap metal active constituent, handle the high concentration black liquid in 600 liters/day CWO experimental rig, the test operation condition is: reaction temperature 250-260 ℃, and reaction pressure 60-80Kg/cm
3, inflow 25-40L/h, water inlet COD concentration is 40,000-60,000mg/L, through after 2000 hours long running long run tests, the COD clearance is more than 85%.Draw off catalyst granules in the reaction tube and carry out x-ray fluorescence analysis reacting the back, the result shows that the catalyst carrier component is stable, does not have to run off, and does not change before and after the reaction of catalyst granules compression strength.
Claims (2)
1, a kind of preparation of multi-component titanium-based catalyst carrier, operate according to following steps:
A. be benchmark with the first carrier component titanium dioxide, the mixture that adds zirconium, rare earth or the zirconium of 5-50% by weight and rare earth is as second carrier component, the pore creating material of 2-10% and the binding agent of 40-80%, grind be mixed even;
B. adopt the machine-shaping of extruded moulding method and be dried to constant weight, pelletizing;
C. under 500-900 ℃ of high temperature, obtained carrier granular in roasting 4-10 hour.
2, according to the described preparation method of claim 1, it is characterized in that: described zirconium is selected from zirconia or zirconium carbonate; Described rare earth is selected from carbonated rare earth, rare earth chloride or rare earth oxide; Described binding agent is selected from aqueous solution of titanyle sulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100468633A CN100460070C (en) | 2005-07-12 | 2005-07-12 | Preparation of multi-component titanium-based catalyst carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100468633A CN100460070C (en) | 2005-07-12 | 2005-07-12 | Preparation of multi-component titanium-based catalyst carrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1895781A true CN1895781A (en) | 2007-01-17 |
| CN100460070C CN100460070C (en) | 2009-02-11 |
Family
ID=37608508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100468633A Active CN100460070C (en) | 2005-07-12 | 2005-07-12 | Preparation of multi-component titanium-based catalyst carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100460070C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102452710A (en) * | 2010-10-21 | 2012-05-16 | 中国石油化工股份有限公司 | Catalytic wet oxidation method of cyanogen-containing industrial wastewater |
| CN104148048A (en) * | 2013-05-16 | 2014-11-19 | 中国石油化工股份有限公司 | Preparation method and applications of wet oxidation catalyst carrier |
| CN105056930A (en) * | 2015-09-07 | 2015-11-18 | 广西梧州通轩林产化学有限公司 | Preparation method of catalyst used for producing camphene |
| CN105080532A (en) * | 2015-09-07 | 2015-11-25 | 广西梧州通轩林产化学有限公司 | Preparation method of catalyst for camphene production |
| CN107684907A (en) * | 2017-09-26 | 2018-02-13 | 浙江奇彩环境科技股份有限公司 | A kind of noble metal catalyst for CWO industrial wastewater, preparation method and applications |
| CN109926037A (en) * | 2017-12-15 | 2019-06-25 | 中国科学院大连化学物理研究所 | One kind preparing TiO by titanium-based binder2The method of preformed catalyst carrier |
| CN110252284A (en) * | 2019-06-03 | 2019-09-20 | 义乌市中科院兰州化物所功能材料中心 | A kind of forming method of catalytic wet oxidation catalyst |
| CN114425319A (en) * | 2020-10-15 | 2022-05-03 | 中国石油化工股份有限公司 | Wet oxidation catalyst and preparation method thereof |
| CN115228480A (en) * | 2021-04-23 | 2022-10-25 | 中国石油天然气股份有限公司 | Hydro-hydrolysis catalyst and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5192452A (en) * | 1988-07-12 | 1993-03-09 | Nippon Shokubai Kagaku Kogyo, Co., Ltd. | Catalyst for water treatment |
| CN1045076C (en) * | 1992-09-22 | 1999-09-15 | 中国科学院大连化学物理研究所 | Catalyst for wet oxidation and purification of industrial sewage containing high-enriched organics and ammonia |
| FR2780053B1 (en) * | 1998-06-18 | 2000-08-11 | Degremont | PROCESS FOR THE MINERALIZATION OF ORGANIC POLLUTANTS OF WATER BY CATALYTIC OZONATION |
| CN1128009C (en) * | 2001-09-15 | 2003-11-19 | 云南省冶金研究设计院 | Making process of TiO2-based catalyst carrier |
| CN1278771C (en) * | 2004-06-18 | 2006-10-11 | 清华大学 | Rare earth based loaded type catalyst for wet oxidation and preparation method thereof |
-
2005
- 2005-07-12 CN CNB2005100468633A patent/CN100460070C/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102452710A (en) * | 2010-10-21 | 2012-05-16 | 中国石油化工股份有限公司 | Catalytic wet oxidation method of cyanogen-containing industrial wastewater |
| CN102452710B (en) * | 2010-10-21 | 2013-08-21 | 中国石油化工股份有限公司 | Catalytic wet oxidation method of cyanogen-containing industrial wastewater |
| CN104148048A (en) * | 2013-05-16 | 2014-11-19 | 中国石油化工股份有限公司 | Preparation method and applications of wet oxidation catalyst carrier |
| CN104148048B (en) * | 2013-05-16 | 2016-05-18 | 中国石油化工股份有限公司 | The Preparation method and use of wet oxidizing catalyst carrier |
| CN105056930A (en) * | 2015-09-07 | 2015-11-18 | 广西梧州通轩林产化学有限公司 | Preparation method of catalyst used for producing camphene |
| CN105080532A (en) * | 2015-09-07 | 2015-11-25 | 广西梧州通轩林产化学有限公司 | Preparation method of catalyst for camphene production |
| CN107684907A (en) * | 2017-09-26 | 2018-02-13 | 浙江奇彩环境科技股份有限公司 | A kind of noble metal catalyst for CWO industrial wastewater, preparation method and applications |
| CN109926037A (en) * | 2017-12-15 | 2019-06-25 | 中国科学院大连化学物理研究所 | One kind preparing TiO by titanium-based binder2The method of preformed catalyst carrier |
| CN109926037B (en) * | 2017-12-15 | 2021-05-04 | 中国科学院大连化学物理研究所 | Preparation of TiO from titanium-based adhesive2Method for shaping catalyst carrier |
| CN110252284A (en) * | 2019-06-03 | 2019-09-20 | 义乌市中科院兰州化物所功能材料中心 | A kind of forming method of catalytic wet oxidation catalyst |
| CN114425319A (en) * | 2020-10-15 | 2022-05-03 | 中国石油化工股份有限公司 | Wet oxidation catalyst and preparation method thereof |
| CN115228480A (en) * | 2021-04-23 | 2022-10-25 | 中国石油天然气股份有限公司 | Hydro-hydrolysis catalyst and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100460070C (en) | 2009-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100460070C (en) | Preparation of multi-component titanium-based catalyst carrier | |
| US5145587A (en) | Method for treatment of waste water | |
| CN103100398B (en) | Preparation method of natural zeolite loaded one-dimensional TiO2 nanowire with high catalytic activity | |
| CN109794260A (en) | A kind of preparation method and ozone oxidation catalyst of ozone oxidation catalyst | |
| CN105080540A (en) | Wet oxidation catalyst and preparation method thereof | |
| WO2017035848A1 (en) | Flue gas denitrification catalyst and preparation method thereof | |
| CN1817448A (en) | Selective catalytic reducing NOx catalyst based on MnOx/TiO2 system at low-temperature and production thereof | |
| CN109835897B (en) | Metal/heteroatom modified distiller's grain-based activated carbon and preparation method thereof | |
| JP2832342B2 (en) | Photocatalyst particles and method for producing the same | |
| CN110394170B (en) | Preparation method of perovskite type calcium zirconate catalyst and application of perovskite type calcium zirconate catalyst in catalytic ozonation | |
| CN105597740B (en) | Heterogeneous catalysis wet oxidizing catalyst and preparation method thereof | |
| CN106179304A (en) | A kind of CeO possessing photo catalytic reduction performance2tiO2the preparation method of nano composite material | |
| CN107684907A (en) | A kind of noble metal catalyst for CWO industrial wastewater, preparation method and applications | |
| CN105013500B (en) | Heterogeneous fenton catalyst of degrading azoic dye waste water and its production and use | |
| CN106345486A (en) | High-efficiency solid-phase ozone oxidation catalyst, and preparation method and application thereof | |
| CN100374185C (en) | Purifying method and apparatus for air with low concentration organic pollutant | |
| CN113398905B (en) | Based on netted TiO 2 MnO of carrier 2 Nanowire low-temperature denitration catalyst and preparation method thereof | |
| CN1209196C (en) | Exhaust-gas purifying catalyst compound, catalyst comprising said compound and method for preparing the compound | |
| CN104056667B (en) | A kind of ceramic honeycomb Catalysts and its preparation method for high-temp waste gas denitration | |
| JP2000288405A (en) | Photocatalyst body and removing method of harmful material using the same | |
| JP2002079087A (en) | Exhaust gas treatment catalyst and method for manufacturing the same | |
| CN105396578A (en) | A preparing method of a doped type nanometer MnO2-CeO2/Al2O3 catalyst and applications of the catalyst | |
| KR101851729B1 (en) | Honeycomb-type catalyst including one-dimension nano structure and fabrication method for the same | |
| JP3121832B2 (en) | Wastewater treatment method | |
| CN1235680C (en) | Combination of a guard bed and a catalyst bed |
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 | ||
| ASS | Succession or assignment of patent right |
Owner name: SINOCHEM CORPORATION Free format text: FORMER OWNER: SHENYANG RESEARCH INSTITUTE OF CHEMICAL INDUSTRY Effective date: 20100618 Owner name: SHENYANG RESEARCH INSTITUTE OF CHEMICAL INDUSTRY C |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 110021 NO.8, SHENLIAO EAST ROAD, TIEXI DISTRICT, SHENYANG CITY, LIAONING PROVINCE TO: 100031 NO.28, FUXINGMEN INNER STREET, XICHENG DISTRICT, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100618 Address after: 100031 Beijing, Xicheng District, the door of the revitalization of the main street, No. 28 Co-patentee after: Shenyang Research Institute of Chemical Industry Patentee after: Sinochem Corporation Address before: 110021 Liaodong, Liaoning, Tiexi Shen road, No. 8, No. Patentee before: Shenyang Institute of Chemical Engineering |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenyang Research Institute of Chemical Industry Design Engineering Co., Ltd. Assignor: China Sinochem Limited by Share Ltd|Shenyang Chemical Research Institute Co., Ltd. Contract record no.: 2010210000115 Denomination of invention: Preparation of multi-component titanium-based catalyst carrier Granted publication date: 20090211 License type: Exclusive License Open date: 20070117 Record date: 20100723 |