CN106946686A - A kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite - Google Patents
A kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite Download PDFInfo
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- CN106946686A CN106946686A CN201710313562.5A CN201710313562A CN106946686A CN 106946686 A CN106946686 A CN 106946686A CN 201710313562 A CN201710313562 A CN 201710313562A CN 106946686 A CN106946686 A CN 106946686A
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- acrylic acid
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
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- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/16—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr
- B01J27/18—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr with metals other than Al or Zr
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Abstract
The invention discloses a kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite, calcium hydroxide and phosphoric acid are mixed to join in distilled water first, stirring obtains mixed solution, add cesium nitrate, 10 30min are stirred, 70 DEG C is warming up to and continues to stir until pasty state, is then dried at 100 DEG C, and calcine in air atmosphere, doping vario-property hydroxyapatite catalyst is made；Doping vario-property hydroxyapatite catalyst obtained above is placed in gas solid catalytic reactor, lactic acid aqueous solution heating and gasifying is obtained into lactic acid water mixed vapour, and itself and carrier gas are mixed be heated to after 220 360 DEG C enter gas solid catalytic reactor in, under the catalysis of doping vario-property hydroxyapatite catalyst reaction obtain reaction product；Reaction product obtained above cooling is obtained into acrylic acid solution after gas-liquid separation, air lift, azeotropic distillation is finally sequentially passed through and obtains acrylic acid.The catalyst activity that this method is used is high, and good stability, product yield is high, and purity is big.
Description
Technical field：
The present invention relates to the synthesis field of acrylic acid, it is specifically related to a kind of be catalyzed based on doping vario-property hydroxyapatite
Method for producing acrylic acid.
Background technology：
Acrylic acid, also known as loses resin acid, is at normal temperatures and pressures colourless liquid, there is penetrating odor, and relative density 1.0511 is molten
12 DEG C of point, 141.6 DEG C of boiling point is dissolved in water, ethanol and ether, and chemical property, which is lived, to be dialled, and belongs to strong organic acid, there is rotten candle property.Easily polymerization
Into transparent whites powder.Acrylic acid is a kind of particularly important petroleum base bulk chemical, be mainly used as high polymer monomer and
Basic organic chemical industry raw material, its series of products are thousands of, are almost related to industrial circle all departments.Be widely used in papermaking,
The fields such as weaving, coating, chemical fibre, adhesive, leather, hygienic material, modifying plastics, agriculture water conservation；It can in addition contain and some
Saliva class compound forms the new fine chemical product that there is certain antibacterial sterilization to act on, and such as frustrating base acrylic acid derivative is
Control effective microbicide of fungal disease.
Industry acrylic acid is produced by raw material of oil product at present.The acrylic acid industrial production grown up
Route includes：The cyanoethanol method of early stage, acetylene method, propylene cyanogen Hydrolyze method, oxidation of propylene, Japanese membrane by accelerant process, Mitsubishi oil
Change method etc..Wherein, cyanoethanol method and acetylene method are superseded, and current most manufacturers all use propylene cyanogen Hydrolyze method and propylene two
Catalytic oxidation production acrylicacidandesters are walked, wherein, oxidation of propylene accounts for more than the 90% of acrylic acid total productive capacity.Therefore work
Acrylic acid is both from propylene resulting after petroleum cracking, also referred to as petroleum base acrylic acid in industry.But this kind of method itself
With sizable limitation, the problem faced at present is mainly the shortage of fossil resource, and raw wide cost is carried still and to ring
The pollution in border.
Not only hydroxyl had been carried in lactic acid, also known as lactic acid, scientific name 2 hydroxy propanoic acid or α-hydracrylate, molecule but also had been carried and has connect base
Liang Ge functional groups, are the presence of a kind of widest hydroxycarboxylic acid in nature, are also a kind of simplest carboxylic acid.Lactic acid sterling is
Colourless liquid, industrial goods arrive light yellow liquid to be colourless.Odorlessness, with hygroscopicity.There is an asymmetric carbon in lactic acid molecules
Atom, with optical activity, therefore has two kinds of optical isomers of Pfansteihl and D-ALPHA-Hydroxypropionic acid；Either fermentation method or the conjunction of lactic acid commercially available product
Product into method is racemic modification.Due to there is Liang Ge functional groups in lactic acid molecules, thus change in extensive range can be carried out
Learn reaction.
Acrylic acid route is prepared by chemically of biomass lactic acid can reduce production cost, reduce environmental pollution,
To realizing that sustainable development has great importance.But current this method is low due to catalyst efficiency, stablizes poor, defines
The application of this method.
The content of the invention：
In view of the shortcomings of the prior art, the invention provides a kind of acrylic acid being catalyzed based on doping vario-property hydroxyapatite
Preparation method, the catalyst efficiency high that this method is used, good stability, product yield is high.
To achieve the above object, the present invention uses following technical scheme：
A kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite, is comprised the following steps：
(1) calcium hydroxide and phosphoric acid are mixed to join in distilled water, stirring mixing 3-5h obtains mixed solution, to mixed
Close and cesium nitrate is added in solution, mixing 10-30min is stirred in continuation, be warming up to 70 DEG C and continue to stir up to pasty state, then 100
Dried at DEG C, and in air atmosphere, 8-10h is calcined at 600-700 DEG C, doping vario-property hydroxyapatite catalyst is made；
(2) doping vario-property hydroxyapatite catalyst obtained above is placed in gas-solid-phase catalytic reaction device, then with
Lactic acid is raw material, and lactic acid aqueous solution heating and gasifying is obtained into lactic acid-water mixed vapour, and it is mixed with carrier gas is heated to
Enter after 220-360 DEG C in gas-solid-phase catalytic reaction device, react and obtain under the catalysis of doping vario-property hydroxyapatite catalyst
Reaction product；
(3) reaction product obtained above cooling is obtained into acrylic acid solution after gas-liquid separation, finally sequentially passes through gas
Carry, azeotropic distillation obtains acrylic acid.
As the preferred of above-mentioned technical proposal, in step (1), the calcium hydroxide, the mol ratio of phosphoric acid are 1.622：
(0.334-2.333)。
As the preferred of above-mentioned technical proposal, in step (1), in the mixed solution, the matter of distilled water and calcium hydroxide
Amount is than being (50-60)：1.
As the preferred of above-mentioned technical proposal, in step (1), the mol ratio of the calcium hydroxide and cesium nitrate is 1.622：
(0.334-2.333)。
As the preferred of above-mentioned technical proposal, in step (1), the condition of the calcining is to calcine 10h at 650 DEG C.
As the preferred of above-mentioned technical proposal, in step (2), the mass concentration of the lactic acid aqueous solution is 25-75%.
As the preferred of above-mentioned technical proposal, in step (2), the carrier gas is one kind in nitrogen or carbon dioxide.
As the preferred of above-mentioned technical proposal, in step (2), the temperature of the heating and gasifying is 140-200 DEG C.
As the preferred of above-mentioned technical proposal, in step (2), the condition of the reaction is：Reaction pressure 0.03-1MPa,
350 DEG C of reaction temperature.
As the preferred of above-mentioned technical proposal, in step (3), the condition of the air lift is：Air lift column overhead temperatures are 30-
60 DEG C, stripping tower tower top pressure is 270-300mmHg, and air lift carrier gas uses one kind in vapor and nitrogen.
The invention has the advantages that：
The present invention generates acrylic acid, this method environmental pollution is small, and adopts using lactic acid as raw material under the catalysis of catalyst
Low in raw material price, cost is substantially reduced, and the hydroxyapatite that the present invention is adulterated using caesium, as catalyst, it is urged
Change activity high, good stability, the high conversion rate of lactic acid, product yield is high, and the catalyst preparation low cost.
Embodiment：
In order to be better understood from the present invention, below by embodiment, the present invention is further described, and embodiment is served only for solution
The present invention is released, any restriction will not be constituted to the present invention.
Embodiment 1
A kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite, is comprised the following steps：
(1) calcium hydroxide and phosphoric acid are mixed to join in distilled water, stirring mixing 3h obtains mixed solution, to mixing
Cesium nitrate is added in solution, continues to stir mixing 10min, 70 DEG C is warming up to and continues to stir until pasty state, then dries at 100 DEG C
It is dry, and in air atmosphere, 10h is calcined at 600 DEG C, doping vario-property hydroxyapatite catalyst is made；Wherein, calcium hydroxide,
Phosphoric acid, the mol ratio of cesium nitrate are 1.622：0.334：2.333；In mixed solution, the mass ratio of distilled water and calcium hydroxide is
50：1；
(2) doping vario-property hydroxyapatite catalyst obtained above is placed in gas-solid-phase catalytic reaction device, then with
Lactic acid is raw material, and the lactic acid aqueous solution that mass concentration is 25% is heated into 140 DEG C of gasifications obtains lactic acid-water mixed vapour, and
Itself and carrier gas are mixed and are heated to enter in gas-solid-phase catalytic reaction device after 220 DEG C, is urged in doping vario-property hydroxyapatite
Reaction obtains reaction product under the catalysis of agent；Wherein, the condition of reaction is：Reaction pressure 0.03MPa, 350 DEG C of reaction temperature；
(3) reaction product obtained above cooling is obtained into acrylic acid solution after gas-liquid separation, finally sequentially passes through gas
Carry, azeotropic distillation obtains acrylic acid；Wherein, the condition of air lift is：Air lift column overhead temperatures are 30 DEG C, and stripping tower tower top pressure is
270mmHg, air lift carrier gas uses vapor.
Embodiment 2
A kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite, is comprised the following steps：
(1) calcium hydroxide and phosphoric acid are mixed to join in distilled water, stirring mixing 5h obtains mixed solution, to mixing
Cesium nitrate is added in solution, continues to stir mixing 30min, 70 DEG C is warming up to and continues to stir until pasty state, then dries at 100 DEG C
It is dry, and in air atmosphere, 8h is calcined at 700 DEG C, doping vario-property hydroxyapatite catalyst is made；Wherein, calcium hydroxide, phosphorus
Acid, the mol ratio of cesium nitrate are 1.622：2.333：0.334；In mixed solution, the mass ratio of distilled water and calcium hydroxide is 60：
1；
(2) doping vario-property hydroxyapatite catalyst obtained above is placed in gas-solid-phase catalytic reaction device, then with
Lactic acid is raw material, and the lactic acid aqueous solution that mass concentration is 75% is heated into 200 DEG C of gasifications obtains lactic acid-water mixed vapour, and
Itself and carrier gas are mixed and are heated to enter in gas-solid-phase catalytic reaction device after 220 DEG C, is urged in doping vario-property hydroxyapatite
Reaction obtains reaction product under the catalysis of agent；Wherein, the condition of reaction is：Reaction pressure 1MPa, 350 DEG C of reaction temperature；
(3) reaction product obtained above cooling is obtained into acrylic acid solution after gas-liquid separation, finally sequentially passes through gas
Carry, azeotropic distillation obtains acrylic acid；Wherein, the condition of air lift is：Air lift column overhead temperatures are 60 DEG C, and stripping tower tower top pressure is
300mmHg, air lift carrier gas uses nitrogen.
Embodiment 3
A kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite, is comprised the following steps：
(1) calcium hydroxide and phosphoric acid are mixed to join in distilled water, stirring mixing 3.5h obtains mixed solution, to mixed
Close and cesium nitrate is added in solution, mixing 10min is stirred in continuation, be warming up to 70 DEG C and continue to stir up to pasty state, then at 100 DEG C
Drying, and in air atmosphere, 8.5h is calcined at 600 DEG C, doping vario-property hydroxyapatite catalyst is made；Wherein, hydroxide
Calcium, phosphoric acid, the mol ratio of cesium nitrate are 1.622：0.334：0.334；In mixed solution, the mass ratio of distilled water and calcium hydroxide
For 52：1；
(2) doping vario-property hydroxyapatite catalyst obtained above is placed in gas-solid-phase catalytic reaction device, then with
Lactic acid is raw material, and the lactic acid aqueous solution that mass concentration is 35% is heated into 150 DEG C of gasifications obtains lactic acid-water mixed vapour, and
Itself and carrier gas are mixed and are heated to enter in gas-solid-phase catalytic reaction device after 240 DEG C, is urged in doping vario-property hydroxyapatite
Reaction obtains reaction product under the catalysis of agent；Wherein, the condition of reaction is：Reaction pressure 0.05MPa, 350 DEG C of reaction temperature；
(3) reaction product obtained above cooling is obtained into acrylic acid solution after gas-liquid separation, finally sequentially passes through gas
Carry, azeotropic distillation obtains acrylic acid；Wherein, the condition of air lift is：Air lift column overhead temperatures are 35 DEG C, and stripping tower tower top pressure is
280mmHg, air lift carrier gas uses vapor.
Embodiment 4
A kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite, is comprised the following steps：
(1) calcium hydroxide and phosphoric acid are mixed to join in distilled water, stirring mixing 4h obtains mixed solution, to mixing
Cesium nitrate is added in solution, continues to stir mixing 20min, 70 DEG C is warming up to and continues to stir until pasty state, then dries at 100 DEG C
It is dry, and in air atmosphere, 10h is calcined at 650 DEG C, doping vario-property hydroxyapatite catalyst is made；Wherein, calcium hydroxide,
Phosphoric acid, the mol ratio of cesium nitrate are 1.622：2.333：2.333；In mixed solution, the mass ratio of distilled water and calcium hydroxide is
54：1；
(2) doping vario-property hydroxyapatite catalyst obtained above is placed in gas-solid-phase catalytic reaction device, then with
Lactic acid is raw material, and the lactic acid aqueous solution that mass concentration is 45% is heated into 160 DEG C of gasifications obtains lactic acid-water mixed vapour, and
Itself and carrier gas are mixed and are heated to enter in gas-solid-phase catalytic reaction device after 260 DEG C, is urged in doping vario-property hydroxyapatite
Reaction obtains reaction product under the catalysis of agent；Wherein, the condition of reaction is：Reaction pressure 0.1MPa, 350 DEG C of reaction temperature；
(3) reaction product obtained above cooling is obtained into acrylic acid solution after gas-liquid separation, finally sequentially passes through gas
Carry, azeotropic distillation obtains acrylic acid；Wherein, the condition of air lift is：Air lift column overhead temperatures are 40 DEG C, and stripping tower tower top pressure is
270mmHg, air lift carrier gas uses nitrogen.
Embodiment 5
A kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite, is comprised the following steps：
(1) calcium hydroxide and phosphoric acid are mixed to join in distilled water, stirring mixing 4h obtains mixed solution, to mixing
Cesium nitrate is added in solution, continues to stir mixing 20min, 70 DEG C is warming up to and continues to stir until pasty state, then dries at 100 DEG C
It is dry, and in air atmosphere, 8.5h is calcined at 650 DEG C, doping vario-property hydroxyapatite catalyst is made；Wherein, calcium hydroxide,
Phosphoric acid, the mol ratio of cesium nitrate are 1.622：1：1；In mixed solution, the mass ratio of distilled water and calcium hydroxide is 55：1；
(2) doping vario-property hydroxyapatite catalyst obtained above is placed in gas-solid-phase catalytic reaction device, then with
Lactic acid is raw material, and the lactic acid aqueous solution that mass concentration is 55% is heated into 170 DEG C of gasifications obtains lactic acid-water mixed vapour, and
Itself and carrier gas are mixed and are heated to enter in gas-solid-phase catalytic reaction device after 310 DEG C, is urged in doping vario-property hydroxyapatite
Reaction obtains reaction product under the catalysis of agent；Wherein, the condition of reaction is：Reaction pressure 0.5MPa, 350 DEG C of reaction temperature；
(3) reaction product obtained above cooling is obtained into acrylic acid solution after gas-liquid separation, finally sequentially passes through gas
Carry, azeotropic distillation obtains acrylic acid；Wherein, the condition of air lift is：Air lift column overhead temperatures are 40 DEG C, and stripping tower tower top pressure is
280mmHg, air lift carrier gas uses nitrogen.
Embodiment 6
A kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite, is comprised the following steps：
(1) calcium hydroxide and phosphoric acid are mixed to join in distilled water, stirring mixing 4.5h obtains mixed solution, to mixed
Close and cesium nitrate is added in solution, mixing 20min is stirred in continuation, be warming up to 70 DEG C and continue to stir up to pasty state, then at 100 DEG C
Drying, and in air atmosphere, 9h is calcined at 680 DEG C, doping vario-property hydroxyapatite catalyst is made；Wherein, calcium hydroxide,
Phosphoric acid, the mol ratio of cesium nitrate are 1.622：1.052：2；In mixed solution, the mass ratio of distilled water and calcium hydroxide is 58：1；
(2) doping vario-property hydroxyapatite catalyst obtained above is placed in gas-solid-phase catalytic reaction device, then with
Lactic acid is raw material, and the lactic acid aqueous solution that mass concentration is 65% is heated into 180 DEG C of gasifications obtains lactic acid-water mixed vapour, and
Itself and carrier gas are mixed and are heated to enter in gas-solid-phase catalytic reaction device after 330 DEG C, is urged in doping vario-property hydroxyapatite
Reaction obtains reaction product under the catalysis of agent；Wherein, the condition of reaction is：Reaction pressure 0.7MPa, 350 DEG C of reaction temperature；
(3) reaction product obtained above cooling is obtained into acrylic acid solution after gas-liquid separation, finally sequentially passes through gas
Carry, azeotropic distillation obtains acrylic acid；Wherein, the condition of air lift is：Air lift column overhead temperatures are 55 DEG C, and stripping tower tower top pressure is
280mmHg, air lift carrier gas uses vapor.
Comparative example 1
Catalyst is using the loaded modified Y molecular sieve catalyst of metal ion, and other preparation conditions and embodiment 6 are identical.
After testing, the yield of the conversion ratio and product of embodiment 1-6 and the raw material of comparative example 1 is as shown in table 1：
Table 1
| Rotational rate of lactic acid, % | Acrylic acid yield, % | |
| Embodiment 1 | 100 | 75.6 |
| Embodiment 2 | 100 | 73.8 |
| Embodiment 3 | 100 | 76.2 |
| Embodiment 4 | 100 | 75.9 |
| Embodiment 5 | 100 | 76.5 |
| Embodiment 6 | 100 | 76.3 |
| Comparative example 1 | 100 | 45.3 |
From the point of view of above-mentioned, the catalyst activity that the present invention is used is higher, and product yield is good.
Claims (10)
1. a kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite, it is characterised in that including following step
Suddenly：
(1) calcium hydroxide and phosphoric acid are mixed to join in distilled water, stirring mixing 3-5h obtains mixed solution, molten to mixing
Cesium nitrate is added in liquid, mixing 10-30min is stirred in continuation, be warming up to 70 DEG C and continue to stir up to pasty state, then at 100 DEG C
Drying, and in air atmosphere, 8-10h is calcined at 600-700 DEG C, doping vario-property hydroxyapatite catalyst is made；
(2) doping vario-property hydroxyapatite catalyst obtained above is placed in gas-solid-phase catalytic reaction device, then with lactic acid
For raw material, lactic acid aqueous solution heating and gasifying is obtained into lactic acid-water mixed vapour, and it is mixed with carrier gas is heated to 220-
Enter after 360 DEG C in gas-solid-phase catalytic reaction device, reacted under the catalysis of doping vario-property hydroxyapatite catalyst
Product；
(3) reaction product obtained above cooling is obtained into acrylic acid solution after gas-liquid separation, finally sequentially passes through air lift, is total to
Boiling distillation obtains acrylic acid.
2. a kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite as claimed in claim 1, it is special
Levy and be：In step (1), the calcium hydroxide, the mol ratio of phosphoric acid are 1.622：(0.334-2.333).
3. a kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite as claimed in claim 1, it is special
Levy and be：In step (1), in the mixed solution, the mass ratio of distilled water and calcium hydroxide is (50-60)：1.
4. a kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite as claimed in claim 1, it is special
Levy and be：In step (1), the mol ratio of the calcium hydroxide and cesium nitrate is 1.622：(0.334-2.333).
5. a kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite as claimed in claim 1, it is special
Levy and be：In step (1), the condition of the calcining is to calcine 10h at 650 DEG C.
6. a kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite as claimed in claim 1, it is special
Levy and be：In step (2), the mass concentration of the lactic acid aqueous solution is 25-75%.
7. a kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite as claimed in claim 1, it is special
Levy and be：In step (2), the carrier gas is one kind in nitrogen or carbon dioxide.
8. a kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite as claimed in claim 1, it is special
Levy and be：In step (2), the temperature of the heating and gasifying is 140-200 DEG C.
9. a kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite as claimed in claim 1, it is special
Levy and be, in step (2), the condition of the reaction is：Reaction pressure 0.03-1MPa, 350 DEG C of reaction temperature.
10. a kind of method for producing acrylic acid being catalyzed based on doping vario-property hydroxyapatite as claimed in claim 1, it is special
Levy and be, in step (3), the condition of the air lift is：Air lift column overhead temperatures are 30-60 DEG C, and stripping tower tower top pressure is
270-300mmHg, air lift carrier gas uses one kind in vapor and nitrogen.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022080905A1 (en) * | 2020-10-16 | 2022-04-21 | 주식회사 엘지화학 | Method for vaporizing lactic acid, apparatus for vaporizing lactic acid, and method for preparing acrylic acid |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102596883A (en) * | 2009-10-29 | 2012-07-18 | 三仪股份有限公司 | Method for synthesizing unsaturated carboxylic acid and/or derivative of same |
| CN103007997A (en) * | 2011-09-28 | 2013-04-03 | 株式会社日本触媒 | Catalyst for preparing crylic acid by lactic acid and method for preparing crylic acid by using same |
| CN104324746A (en) * | 2014-10-13 | 2015-02-04 | 浙江工业大学 | Metal modified ZSM-5 molecular sieve catalyst and its application |
| CN105163850A (en) * | 2013-05-10 | 2015-12-16 | 三仪股份有限公司 | Synthesis catalyst and synthesis method for unsaturated carboxylic acid and/or derivative thereof |
-
2017
- 2017-05-05 CN CN201710313562.5A patent/CN106946686A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102596883A (en) * | 2009-10-29 | 2012-07-18 | 三仪股份有限公司 | Method for synthesizing unsaturated carboxylic acid and/or derivative of same |
| CN103007997A (en) * | 2011-09-28 | 2013-04-03 | 株式会社日本触媒 | Catalyst for preparing crylic acid by lactic acid and method for preparing crylic acid by using same |
| CN105163850A (en) * | 2013-05-10 | 2015-12-16 | 三仪股份有限公司 | Synthesis catalyst and synthesis method for unsaturated carboxylic acid and/or derivative thereof |
| CN104324746A (en) * | 2014-10-13 | 2015-02-04 | 浙江工业大学 | Metal modified ZSM-5 molecular sieve catalyst and its application |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022080905A1 (en) * | 2020-10-16 | 2022-04-21 | 주식회사 엘지화학 | Method for vaporizing lactic acid, apparatus for vaporizing lactic acid, and method for preparing acrylic acid |
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Application publication date: 20170714 |