CN1172691A - Acrylonitrile fluidized bed lithium containing catalyst - Google Patents
Acrylonitrile fluidized bed lithium containing catalyst Download PDFInfo
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- CN1172691A CN1172691A CN96116453A CN96116453A CN1172691A CN 1172691 A CN1172691 A CN 1172691A CN 96116453 A CN96116453 A CN 96116453A CN 96116453 A CN96116453 A CN 96116453A CN 1172691 A CN1172691 A CN 1172691A
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Abstract
A catalyst containing Li for producing acrylonitrile with fluidized bed features that Li as alkali-metal element is additional used as part of its raw materials besides catalytic oxides in Mo-Bi-Fe-Co-Ni-Na system for higher one-pass output rate of acrylonitrile up to 83%.
Description
The present invention relates to the fluid catalyst of ammoxidating propylene to produce acrylonitrile, particularly about the fluid catalyst of alkali metal containing lithium.
Acrylonitrile is important Organic Chemicals, and it is produced by the ammoxidation of propylene reaction.In order to obtain the fluid catalyst of high activity, high selectivity, people have made a series of improvement through constantly exploring.Introduce the catalyst of molybdenum-bismuth-iron-nickel system among the flat 1-265067 of document Japan Patent, in optional elements, contain sodium and lithium, but this technical scheme has not contained elements such as cobalt, manganese.The acrylonitrile once through yield of reporting in this patent is up to 83.2%, and its data are measured under normal pressure, can not represent the true horizon of its catalyst.Introduced the catalyst of molybdenum-bismuth-iron-antimony-nickel system in the document US 4978765, in optional elements, contained sodium, lithium, but this technical scheme does not contain elements such as cobalt, manganese yet.The acrylonitrile once through yield of reporting in this patent reaches as high as 86.2%, but its data also record under normal pressure, can not represent the true horizon of its catalyst.Introduced the catalyst of molybdenum-bismuth-iron-cobalt-nickel-chromium system in the document US 5134105, wherein in optional elements, the alkali metal composition can be arranged, but the particular content that does not all have open alkali metallic sodium and lithium in its specification, its acrylonitrile once through yield is only up to 80.2%.Document CN1021638C has introduced acrylonitrile fluidized-bed catalyst, and it is to be catalyst system and catalyzing with molybdenum-bismuth-iron-cobalt-nickel-sodium, its single-pass yield of acrylonitrile only about 79%.
For overcoming the shortcoming that above-mentioned catalyst exists, the purpose of this invention is to provide a kind of fluid bed that is suitable for, have the more catalyst of high acrylonitrile once through yield.
The objective of the invention is to realize: a kind of acrylonitrile fluidized bed lithium containing catalyst by following technical scheme, the catalytic oxidation thing that contains molybdenum, bismuth, iron, cobalt, nickel, sodium, lithium, and can also contain the mixture of a kind of or multielement in potassium, rubidium, caesium, samarium, thallium, manganese, magnesium, strontium, calcium, barium, lanthanum, rare earth element, phosphorus, arsenic, boron, chromium, tungsten, the vanadium, have following general formula:
A
aB
bC
cNi
dCo
eLi
fNa
gFe
hBi
iMo
jO
x
A is selected from least a in potassium, rubidium, caesium, samarium, the thallium or their mixture in the formula;
B is selected from least a in manganese, magnesium, strontium, calcium, barium, lanthanum, the rare earth element or their mixture;
C is selected from least a in phosphorus, arsenic, boron, chromium, tungsten, the vanadium or their mixture.
Wherein a is 0.001～1.5, and b is 0.01～3, and c is 0.01～8, and d is 0.01～8, e is 0.01～12, and f is 0.01～0.8, and g is 0.01～0.7, and h is 0.01～8, i is 0.01～6, and j is 8～16, and x satisfies the required oxygen atom sum of each element valence in the catalyst;
The carrier material is a silica in the catalyst, and content is 30～70% (weight).
In the technique scheme, the preferable range of a is 0.01～0.8, and the preferable range of b is 0.5～2, and the preferable range of c is 0.1～4.0, the preferable range of d is 0.5～5, the preferable range of e is 0.5～8, and the preferable range of f is 0.05～0.4, and the preferable range of g is 0.2～0.5, the preferable range of h is 0.1～4, the preferable range of i is 0.1～4, and the preferable range of j is 12～14, and carrier dioxide-containing silica preferable range is 40～60% (weight) in the catalyst.
Main points of the present invention are exactly that (Chinese patent 90108811.0, CN1021638C) basis is gone up and added elemental lithium at original catalyst.
Catalyst manufacture method of the present invention can be undertaken by well-established law.At first catalyst each component and carrier and water are mixed into slurry, the spray-dried microspheroidal that is shaped to, catalyst is made in last roasting.The preparation of slurry is that the aqueous solution of catalyst each component and carrier are undertaken by the described method of Chinese patent 87103455.7 (CN1005248B).
The employed raw material of each component is in the catalyst of the present invention:
The most handy nitrate of component category-A element, hydroxide maybe can be decomposed into the salt of oxide.
Component category-B element can maybe can be decomposed into the salt of oxide with oxide.
The most handy corresponding acids of phosphorus in the component C dvielement, arsenic and boron or its ammonium salt.The most handy chromium trioxide of chromium (Cr VI), chromic nitrate or the mixture of the two.
Component sodium can be with sodium nitrate, NaOH, sodium metasilicate or any sodium compound that can decompose.
The component lithium can be with lithium nitrate, lithium hydroxide, lithium metasilicate or any lithium compound that can decompose.
Component nickel, cobalt, iron, bismuth can or be decomposed into the salt of oxide, the preferably water miscible nitrate of used salt with oxide.
Tungsten in the component can be with tungsten oxide or ammonium tungstate, vanadium ammonium metavanadate.
The component molybdenum can be with molybdenum oxide or ammonium molybdate.
As the raw material available silicon colloidal sol of the silica of carrier, its quality requirement meets the regulation of Chinese patent 87103455.7 (CN1005248B).
Prepared slurry is through the laggard capable spray shaping of Overheating Treatment.Spray dryer available pressure formula, two streamings and centrifugal turntable formula, but better with the centrifugal turntable formula, can guarantee that the catalyst of making has good particle size distribution.
The roasting of catalyst is divided into two stages, each element decomposition of salts and high-temperature roasting in the catalyst.Its catabolic phase temperature is 200～400 ℃, and the time is 0.5～2 hour, and sintering temperature is 450～800 ℃, preferably 500～650 ℃.Decomposition and roasting are carried out respectively in two roasters, also can divide two stages to carry out in a roaster, perhaps will decompose in the continous way rotary roasting furnace with roasting and carry out simultaneously.But in catalyst decomposes and roasting process, noting in the roaster to have an amount of circulation of air.
Adopt the identical of specification that catalyst of the present invention makes acrylonitrile required propylene, ammonia and molecular oxygen and other catalyst of use.Though the content of low-molecular-weight saturated hydrocarbons considers that from economic point of view density of propylene should be greater than 85% (mole) to the reaction did not influence in the raw material propylene.Ammonia can be used fertilizer grade liquefied ammonia.React required molecular oxygen from the available pure oxygen of technological standpoint, oxygen-enriched air, but from economy, resource is convenient considers, and is more reasonable as source of molecular oxygen with air.
Entering the ammonia of fluidized-bed reactor and the mol ratio of propylene can change between 0.8: 1 to 1.5: 1, but best variation between 1.0: 1 to 1.3: 1.The actual mol ratio of air and propylene is preferably between 8: 1 to 10: 1, and low like this proportioning is the significant advantage of catalyst of the present invention.If in the time of must adopting higher air ratio for some reason, can increase to 11: 1, this does not have the significant adverse influence to reaction.But consider that from security standpoint the volume content of oxygen can not preferably be not more than 4% greater than 7% in the reacting gas.
When adopting catalyst of the present invention on fluidized-bed reactor, reaction temperature is at 420～490 ℃, and the best is 440～460 ℃, and reaction pressure is generally 0.01～0.2 MPa, and the best is 0.04～0.2 MPa.
The propylene load (WWH) of catalyst is 0.04～0.20, and the best is 0.05～0.10.
WWH is defined as:
WWH=propylene feed weight/(catalyst weight * hour)
The product recovery process for refining of making acrylonitrile with catalyst of the present invention is identical with conventional method, and promptly the fluidized-bed reactor eluting gas is removed unreacted ammonia through neutralizing tower, and water absorbs whole organic matters in the absorption tower again.Absorption liquid removes hydrogen cyanide and water and gets high-purity propylene nitrile product through extractive distillation.
Below be the embodiment of catalyst of the present invention, wherein propylene conversion, acrylonitrile selectivity and once through yield are defined as follows:
The present invention is by adding the alkali metal lithium in molybdenum-bismuth-iron-cobalt-nickel-sodium System Catalyst, the once through yield that makes acrylonitrile has been up to 83.7% under fluid bed and pressurization (0.08 MPa) condition, obtained effect preferably.[embodiment 1]
It with 10.8 gram weight concentration 20% potassium nitrate solution, 62.0 gram weight concentration is 20% rubidium nitrate solution, 8.5 gram weight concentration are that 20% cesium nitrate solution and 23.0 gram weight concentration are that 20% sodium nitrate solution and 3.0 gram weight concentration are that 20% lithium nitrate solution is mixed into material (I).
It is 5% ammoniacal liquor that 58.4 gram ammonium tungstates are dissolved in 100 milliliters of weight concentrations, again with the 343.7 gram ammonium molybdates and the solution of 300 milliliters of 50～95 ℃ of hot water compositions mix mutually material (II).
70.0 gram bismuth nitrates, 63.9 gram manganese nitrates, 132.4 gram ferric nitrates, 183.6 gram cobalt nitrates, 148.3 gram nickel nitrates and 7.3 gram chromic nitrates are mixed, add 70 milliliters in water, the dissolving of heating back, material (III).
With material (I) and 1250 gram weight concentration is that 40% ammonia is stablized sodium-free silica sol and mixed, and under agitation adds 5.1 gram weight concentration and be 85% phosphoric acid and material (II) and (III), fully stir slurry.By well-established law the slurry of making is shaped to microspheroidal in spray dryer, at last internal diameter be 89 millimeters, length be 1700 millimeters (in 670 ℃ of roastings 1 hour, the catalyst of making consisted of in the rotary roasting furnace of φ 89 * 1700mm):
Mo
10.8W
1.2Bi
0.8Fe
1.8Co
3.5Ni
2.8Mn
1.0Cr
0.4P
0.25Na
0.3Li
0.05K
0.1Rb
0.3Cs
0.05+50％SiO
2
It is 38 millimeters fluidized-bed reactor that the catalyst of making is put into internal diameter, in reaction temperature is that 435 ℃, reaction pressure are 0.08 MPa, propylene: ammonia: air=1: 1.2: 9.2 (mole), WWH carry out activity rating under 0.045 the condition, and the result is as follows:
Propylene conversion 96.2%
Acrylonitrile selectivity 85.5%
Single-pass yield of acrylonitrile 82.2%
The propylene inventory is 245 ml/min under this proportioning, and then the acrylonitrile growing amount is:
(245/22.4) * 0.822 * 53=476.5 Grams Per Minute
If change the raw material proportioning into propylene: ammonia: air=1: 1.5: 10.5, carry out activity rating under the constant situation of all the other process conditions, the result is as follows:
Propylene conversion 97.8%
Acrylonitrile selectivity 83.1%
Single-pass yield of acrylonitrile 81.3%
The propylene inventory is 219 ml/min under this proportioning, and then the acrylonitrile growing amount is:
(219/22.4) * 0.813 * 53=420.9 Grams Per Minute [embodiment 2]
Embodiment 1 described method is made catalyst, but material (I) is 20% 9.0 gram rubidium nitrate solution with weight concentration, 12.0 gram cesium nitrate solution, 6.5 restrain the material that samarium nitrate solutions and 19.5 gram sodium nitrate solutions and 16.0 gram lithium nitrate solutions mix mutually.
Material (II) is with the 20.9 gram ammonium tungstates material that to be dissolved in 300 milliliters of weight concentrations be 5% ammoniacal liquor and 388.2 gram ammonium molybdates mixes mutually with the solution of 350 milliliters of 50～95 ℃ of hot water compositions.
With 90.1 gram bismuth nitrates, 113.8 gram ferric nitrates, 54.9 gram manganese nitrates, 180.3 gram cobalt nitrates, 42.4 gram strontium nitrates, 45.5 gram nickel nitrates, 4.7 gram chromic nitrate and the formulated materials of 100 ml waters (III).
Identical with the method for making of embodiment 1, be that 40% Ludox and 8.8 gram weight concentration are that 85% phosphoric acid mixes with above-mentioned material and 1000 gram weight concentration, consisting of of catalyst made in moulding, roasting:
Mo
14.2W
0.5Bi
1.2Fe
1.8Sr
1.3Co
4.0Ni
1.0Mn
1.0Cr
0.3P
0.5Rb
0.05Cs
0.1Sm
0.05Na
0.3Li
0.3+40％SiO
2
The investigation method of catalyst activity is identical with embodiment 1, but propylene: ammonia: air=1: 1.2: 9.4 (mole), all the other process conditions are constant, and the result of activity rating is as follows:
Propylene conversion 98.5%
Acrylonitrile selectivity 85.0%
Single-pass yield of acrylonitrile 83.7%[embodiment 3]
Press embodiment 1 described method and make catalyst, material (I) is 20% 11.0 gram potassium nitrate solutions with weight concentration, 27.0 gram lithium nitrate solutions, and 10.5 gram thallous nitrate solution and 20.0 gram sodium nitrate solutions are mixed and made into.
Material (II) is that to be dissolved in 50 milliliters of weight concentrations with 42.5 gram ammonium tungstates, 3.7 gram ammonium metavanadates be 5% ammoniacal liquor, becomes with the solution mixing system of 300 milliliters of 50～95 ℃ of hot water compositions with 356.0 gram ammonium molybdates again.
With 76.4 gram bismuth nitrates, 160.8 gram ferric nitrates, 162.0 gram nickel nitrates, 91.7 gram cobalt nitrates, 8.8 gram calcium nitrate, 83.7 gram manganese nitrates, 6.4 gram chromic nitrates and 70 ml waters are mixed with material (III).
Identical with the method for making of embodiment 1, be that 40% Ludox and 2.7 gram weight concentration are that 85% phosphoric acid and the neutralization of 10 ml waters contain 9.7 gram BASs and mix with above-mentioned each material and 1250 gram weight concentration, moulding, roasting, make consisting of of catalyst:
Mo
12.8W
1.0V
0.2Bi
1.0Fe
2.5Ca
1.0Ni
3.5Co
2.0Mn
1.5Cr
0.4P
0.15B
1.0Na
0.3Li
0.5K
0.1Tl
0.05+50％SiO
2
The investigation method of catalyst activity is identical with embodiment 1, but propylene: ammonia: air=1: 1: 8.9, all the other process conditions are constant, and the result of activity rating is as follows:
Propylene conversion 96.8%
Acrylonitrile selectivity 83.9%
Single-pass yield of acrylonitrile 81.2%[embodiment 4]
Press embodiment 1 described method and make catalyst, but material (I) is 20% 8.5 gram cesium nitrate solution with weight concentration, 15.0 gram samarium nitrate solutions, 23.5 gram thallous nitrate solution and 22.5 gram sodium nitrate and 18.0 gram lithium nitrate solutions are mixed and made into.
Material (II) is that to be dissolved in 100 milliliters of weight concentrations with 93.9 gram ammonium tungstates, 10.2 gram ammonium metavanadates be in 5% the ammonia spirit, again the material that mixes mutually with the 291.8 gram ammonium molybdates and the solution of 300 milliliters of 50～95 ℃ of hot water compositions.
Be mixed with material (III) with 84.4 gram bismuth nitrates, 142.0 gram ferric nitrates, 61.6 gram manganese nitrates, 44.6 gram magnesium nitrates, 202.5 gram cobalt nitrates, 102.2 gram nickel nitrates, 3.6 gram chromic nitrates and 70 ml waters.
Identical with the method for making of embodiment 1, be that 40% Ludox mixes with above-mentioned each material and 1250 gram weight concentration, moulding, roasting, make consisting of of catalyst:
Mo
9.5W
2.0V
0.5Bi
1.0Fe
2.0Mg
1.0Co
4.0Ni
2.0Mn
1.0Cr
0.2Cs
0.05Sm
0.1Tl
0.1Na
0.3Li
0.3+50％SiO
2
The investigation method of catalyst activity is identical with embodiment 1, but propylene: ammonia: air=1: 1.15: 9.5, all the other process conditions are constant, and the result of activity rating is as follows:
Propylene conversion 97.1%
Acrylonitrile selectivity 83.3%
Single-pass yield of acrylonitrile 80.9%[embodiment 5]
Press embodiment 1 described method and make catalyst, but material (I) is 20% 21.5 gram sodium nitrate solutions with weight concentration, 20.7 gram potassium nitrate solutions, 16.5 gram cesium nitrate solution, 14.5 gram rubidium nitrate solution, 8.5 gram lithium nitrate solutions are mixed and made into.
Material (II) is to restrain ammonium tungstates and 379.6 gram ammonium molybdates and 300 milliliters of 50～95 ℃ of hot water with 9.1 to be mixed and made into.
With 73.3 gram bismuth nitrates, 123.4 gram ferric nitrates, 109.4 gram cerous nitrates, 171.1 gram cobalt nitrates, 29.8 gram manganese nitrates, 5.1 gram chromic nitrates, 98.7 gram nickel nitrates and 100 ml waters are mixed with material (III).
Identical with the method for making of embodiment 1, be that 40% Ludox mixes with above-mentioned each material and 1250 gram weight concentration, moulding, roasting, the catalyst of making consists of:
Mo
12.8W
0.2Bi
0.9Fe
1.8Ce
1.5Co
3.5Ni
2.0Mn
0.5Cr
0.3Na
0.3Li
0.15K
0.2Cs
0.1Rb
0.15+50％SiO
2
The investigation method of catalyst activity is identical with embodiment 1, but propylene: ammonia: air=1: 1.1: 9.4, all the other process conditions are constant, and the result of activity rating is as follows:
Propylene conversion 97.8%
Acrylonitrile selectivity 82.2%
Single-pass yield of acrylonitrile 80.4%[embodiment 6]
Press embodiment 1 described method and make catalyst, but material (I) is 20% 21.5 gram sodium nitrate solutions, 10.8 gram potassium nitrate solutions with weight concentration, 14.5 gram samarium nitrate solution, 5.0 gram cesium nitrate solution, 11.5 gram lithium nitrate solutions, 11.5 gram thallous nitrate solution mixing systems become.
Material (II) is with 82.1 gram bismuth nitrates, 138.2 gram ferric nitrates, and 93.1 gram lanthanum nitrates, 147.8 gram cobalt nitrates, 149.2 gram nickel nitrates, 60.0 gram manganese nitrates, 13.7 gram chromic nitrates and 80 ml waters are mixed and made into.
By 298.9 gram ammonium molybdates, (50～95 ℃) weight concentrations of 54.8 gram ammonium tungstates and 300 milliliters of heat are that 5% ammoniacal liquor is made material (III).
Identical with the method for making of embodiment 1, above-mentioned each material and 1250 gram weight concentration are that 40% Ludox mixes, moulding, and roasting, the catalyst of making consists of:
Mo
10.0W
1.2Cr
0.8Bi
1.0Fe
2.0La
1.5Co
3.0Ni
3.0Mn
1.0Na
0.3Li
0.2K
0.1Cs
0.03Tl
0.05Sm
0.1+50％SiO
2
The investigation method of catalyst activity is identical with embodiment 1, but propylene: ammonia: air=1: 1.15: 9.1, all the other process conditions are constant, and the result of activity rating is as follows:
Propylene conversion 97.6%
Acrylonitrile selectivity 84.4%
Single-pass yield of acrylonitrile 82.4%
Claims (3)
1. acrylonitrile fluidized bed lithium containing catalyst, the catalytic oxidation thing that contains molybdenum, bismuth, iron, cobalt, nickel, sodium, lithium, can also contain the mixture of a kind of or multielement in potassium, rubidium, caesium, samarium, thallium, manganese, magnesium, strontium, calcium, barium, lanthanum, rare earth element, phosphorus, arsenic, boron, chromium, tungsten, the vanadium, have following general formula:
A
aB
bC
cNi
dCo
eLi
fNa
gFe
hBi
iMo
jO
x
A is selected from least a in potassium, rubidium, caesium, samarium, the thallium or their mixture in the formula;
B is selected from least a in manganese, magnesium, strontium, calcium, barium, lanthanum, the rare earth element or their mixture;
C is selected from least a in phosphorus, arsenic, boron, chromium, tungsten, the vanadium or their mixture;
Wherein a is 0.001～1.5, and b is 0.01～3, and c is 0.01～8, and d is 0.01～8, e is 0.01～12, and f is 0.01～0.8, and g is 0.01～0.7, and h is 0.01～8, i is 0.01～6, and j is 8～16, and x satisfies the required oxygen atom sum of each element valence in the catalyst;
The carrier material is a silica in the catalyst, and content is 30～70% (weight).
2. acrylonitrile fluidized bed lithium containing catalyst according to claim 1 is characterized in that a is 0.01～0.8, and b is 0.5～2, and c is 0.1～4.0, d is 0.5～5, and e is 0.5～8, and f is 0.05～0.4, and g is 0.2～0.5, h is 0.1～4, and i is 0.1～4, and j is 12～14.
3. acrylonitrile fluidized bed lithium containing catalyst according to claim 1 is characterized in that the carrier dioxide-containing silica is 40～60% (weight) in the catalyst.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96116453A CN1060410C (en) | 1996-08-06 | 1996-08-06 | Acrylonitrile fluidized bed lithium containing catalyst |
| US08/904,914 US5834394A (en) | 1996-08-06 | 1997-08-01 | Fluidized-bed catalyst for propylene ammoxidation to acrylonitrile |
| JP21228997A JP3896194B2 (en) | 1996-08-06 | 1997-08-06 | Catalyst for the ammoxidation of propylene to acrylonitrile. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96116453A CN1060410C (en) | 1996-08-06 | 1996-08-06 | Acrylonitrile fluidized bed lithium containing catalyst |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1172691A true CN1172691A (en) | 1998-02-11 |
| CN1060410C CN1060410C (en) | 2001-01-10 |
Family
ID=5123557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96116453A Expired - Lifetime CN1060410C (en) | 1996-08-06 | 1996-08-06 | Acrylonitrile fluidized bed lithium containing catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1060410C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999011368A1 (en) * | 1997-09-03 | 1999-03-11 | China Petro-Chemical Corporation | Catalyst for the production of acrylonitrile |
| EP1075871A1 (en) * | 1998-04-23 | 2001-02-14 | Mitsubishi Rayon Co., Ltd. | Catalyst for producing unsaturated nitrile |
| CN1094073C (en) * | 1999-08-19 | 2002-11-13 | 中国石油化工集团公司 | Fluidized bed catalyst for production of acrylonitrile |
| CN101121131B (en) * | 2006-08-11 | 2010-12-29 | 中国石油化工股份有限公司 | Ammoxidation method to manufacturing unsaturated nitrile fluid-bed catalyst |
| CN101534945B (en) * | 2006-10-26 | 2012-08-29 | 大野绿水株式会社 | Fluidized-bed catalyst for the production of acrylonitrile and process for the production of acrylonitrile |
| CN105597774A (en) * | 2014-11-20 | 2016-05-25 | 中国石油化工股份有限公司 | Catalyst used for preparing acrylonitrile |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5134305A (en) * | 1989-09-14 | 1992-07-28 | David Senehi | Wind power machine |
| US5235088A (en) * | 1990-03-19 | 1993-08-10 | The Standard Oil Company | Process and catalyst for propylene ammoxidation to acrylonitrile |
| DE69418609T2 (en) * | 1993-08-10 | 2000-01-13 | Asahi Chemical Ind | AMMOXYDATION CATALYST COMPOSITION AND METHOD FOR PRODUCING ACRYLONITRILE OR METHACRYLONITRO UNDER THEIR USE |
| JP3751043B2 (en) * | 1995-03-31 | 2006-03-01 | 旭化成ケミカルズ株式会社 | Ammoxidation catalyst composition and method for producing nitrile compound using the same |
-
1996
- 1996-08-06 CN CN96116453A patent/CN1060410C/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999011368A1 (en) * | 1997-09-03 | 1999-03-11 | China Petro-Chemical Corporation | Catalyst for the production of acrylonitrile |
| US6596897B1 (en) | 1997-09-03 | 2003-07-22 | China Petro-Chemical Corporation | Catalyst for producing acrylonitrile |
| EP1075871A1 (en) * | 1998-04-23 | 2001-02-14 | Mitsubishi Rayon Co., Ltd. | Catalyst for producing unsaturated nitrile |
| EP1075871A4 (en) * | 1998-04-23 | 2002-05-08 | Mitsubishi Rayon Co | Catalyst for producing unsaturated nitrile |
| CN1094073C (en) * | 1999-08-19 | 2002-11-13 | 中国石油化工集团公司 | Fluidized bed catalyst for production of acrylonitrile |
| CN101121131B (en) * | 2006-08-11 | 2010-12-29 | 中国石油化工股份有限公司 | Ammoxidation method to manufacturing unsaturated nitrile fluid-bed catalyst |
| CN101534945B (en) * | 2006-10-26 | 2012-08-29 | 大野绿水株式会社 | Fluidized-bed catalyst for the production of acrylonitrile and process for the production of acrylonitrile |
| CN105597774A (en) * | 2014-11-20 | 2016-05-25 | 中国石油化工股份有限公司 | Catalyst used for preparing acrylonitrile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1060410C (en) | 2001-01-10 |
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