CN110801868A - Synthetic catalyst and preparation method thereof - Google Patents
Synthetic catalyst and preparation method thereof Download PDFInfo
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- CN110801868A CN110801868A CN201911120820.3A CN201911120820A CN110801868A CN 110801868 A CN110801868 A CN 110801868A CN 201911120820 A CN201911120820 A CN 201911120820A CN 110801868 A CN110801868 A CN 110801868A
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- water
- ethanol
- synthetic catalyst
- dihydrogen phosphate
- copper chloride
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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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/28—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of the platinum group metals, iron group metals or copper
- B01J31/30—Halides
Abstract
The invention discloses a synthetic catalyst which comprises the following components in percentage by mass: 40-70% of water, 10-25% of copper chloride, 10-25% of potassium hydroxide, 1-10% of ethanol, 1-5% of sodium dihydrogen phosphate, 1-5% of sodium peroxide and 1-10% of potassium citrate. The invention also discloses a preparation method of the synthetic catalyst, which comprises the following steps: step 1: weighing the components, adding the components into water according to mass percent, and stirring to obtain a mixed solution; step 2: centrifuging the mixed solution to obtain a precipitate; and step 3: adding the precipitate into deionized water to obtain a suspension; and 4, step 4: and (3) evaporating and drying the suspension at 50-70 ℃ for 3-5 hours, cooling, and washing with deionized water to obtain the synthetic catalyst. The synthetic catalyst and the preparation method thereof have stable catalytic efficiency.
Description
Technical Field
The invention belongs to the technical field of composite catalyst materials, and particularly relates to a synthetic catalyst and a preparation method of the synthetic catalyst.
Background
The catalyst is a substance that changes the rate of reaction without changing the overall standard gibbs free energy of the reaction. One can alter the rate of a chemical reaction, known as a catalytic reaction, using a catalyst. Most catalysts accelerate only one chemical reaction, or one class of chemical reaction, and cannot be used to accelerate all chemical reactions. The catalyst is not consumed in the chemical reaction. They can be separated from the reactants either before or after the reaction. However, they may be consumed during a certain stage of the reaction and then regenerated again before the entire reaction is completed.
The catalytic performance of the synthesized catalyst powder is mainly determined by factors such as the structure, the morphology, the specific surface area and the like of the synthesized catalyst powder, so that the optimal method is to control and synthesize the catalyst powder material with more excellent catalytic performance from the preparation method of the synthesized catalyst powder in order to obviously improve the catalytic performance of the synthesized catalyst powder. Therefore, the application of copper salt to catalytic chemical reaction is a very popular research and practical field at present, but most methods have high requirements on raw materials and reaction conditions, a regulator needs to be added, the operation is complex, the catalytic effect of the obtained catalyst powder is not ideal or the catalytic period is long, so that the problem of stable catalytic efficiency of the existing synthetic catalyst exists.
Disclosure of Invention
The invention aims to provide a synthetic catalyst, which solves the problem of unstable catalytic efficiency of the existing synthetic catalyst.
The invention also provides a preparation method of the synthetic catalyst.
The technical scheme adopted by the invention is that,
a synthetic catalyst comprises the following components in percentage by mass:
40-70% of water, 10-25% of copper chloride, 10-25% of potassium hydroxide, 1-10% of ethanol, 1-5% of sodium dihydrogen phosphate, 1-5% of sodium peroxide and 1-10% of potassium citrate.
The present invention is also characterized in that,
the synthetic catalyst comprises the following components in percentage by mass:
40-70% of water, 10-20% of copper chloride, 10-20% of potassium hydroxide, 1-10% of ethanol, 1-5% of sodium dihydrogen phosphate, 1-5% of sodium peroxide and 1-10% of potassium citrate.
The synthetic catalyst comprises the following components in percentage by mass:
40-70% of water, 10-20% of copper chloride, 10-20% of potassium hydroxide, 1-5% of ethanol, 1-5% of sodium dihydrogen phosphate, 1-5% of sodium peroxide and 1-10% of potassium citrate.
The synthetic catalyst comprises the following components in percentage by mass:
40-70% of water, 10-25% of copper chloride, 10-25% of potassium hydroxide, 1-5% of ethanol, 1-5% of sodium dihydrogen phosphate, 1-5% of sodium peroxide and 1-5% of potassium citrate.
The synthetic catalyst comprises the following components in percentage by mass:
60% of water, 15% of copper chloride, 15% of potassium hydroxide, 3% of ethanol, 3% of sodium dihydrogen phosphate, 3% of sodium peroxide and 1% of potassium citrate.
A preparation method of a synthetic catalyst comprises the following steps:
step 1: weighing copper chloride, potassium hydroxide, ethanol, sodium dihydrogen phosphate, sodium peroxide and potassium citrate, adding the components into water according to mass percentage, and stirring for 10-30 minutes to obtain a mixed solution;
step 2, carrying out centrifugal precipitation on the mixed solution obtained in the step 1 to obtain a precipitate;
and step 3: adding the precipitate obtained in the step 2 into deionized water to obtain a suspension;
and 4, step 4: and (3) evaporating and drying the suspension liquid obtained in the step (3) at the temperature of 50-70 ℃ for 3-5 hours, cooling at room temperature, and finally washing with deionized water to obtain the synthetic catalyst.
The synthetic catalyst and the preparation method thereof have the beneficial effects that the synthetic catalyst and the preparation method thereof are stable in catalytic efficiency through the method for mixing and preparing the synthetic catalyst by the components according to the mass fraction.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The invention provides a synthetic catalyst which comprises the following components in percentage by mass:
40-70% of water, 10-25% of copper chloride, 10-25% of potassium hydroxide, 1-10% of ethanol, 1-5% of sodium dihydrogen phosphate, 1-5% of sodium peroxide and 1-10% of potassium citrate.
The present invention is also characterized in that,
the synthetic catalyst comprises the following components in percentage by mass:
40-70% of water, 10-20% of copper chloride, 10-20% of potassium hydroxide, 1-10% of ethanol, 1-5% of sodium dihydrogen phosphate, 1-5% of sodium peroxide and 1-10% of potassium citrate.
The synthetic catalyst comprises the following components in percentage by mass:
40-70% of water, 10-20% of copper chloride, 10-20% of potassium hydroxide, 1-5% of ethanol, 1-5% of sodium dihydrogen phosphate, 1-5% of sodium peroxide and 1-10% of potassium citrate.
The synthetic catalyst comprises the following components in percentage by mass:
40-70% of water, 10-25% of copper chloride, 10-25% of potassium hydroxide, 1-5% of ethanol, 1-5% of sodium dihydrogen phosphate, 1-5% of sodium peroxide and 1-5% of potassium citrate.
The synthetic catalyst comprises the following components in percentage by mass:
60% of water, 15% of copper chloride, 15% of potassium hydroxide, 3% of ethanol, 3% of sodium dihydrogen phosphate, 3% of sodium peroxide and 1% of potassium citrate.
The invention also provides a preparation method of the synthetic catalyst, which comprises the following steps:
step 1: weighing copper chloride, potassium hydroxide, ethanol, sodium dihydrogen phosphate, sodium peroxide and potassium citrate, adding the components into water according to mass percentage, and stirring for 10-30 minutes to obtain a mixed solution;
step 2, carrying out centrifugal precipitation on the mixed solution obtained in the step 1 to obtain a precipitate;
and step 3: adding the precipitate obtained in the step 2 into deionized water to obtain a suspension;
and 4, step 4: and (3) evaporating and drying the suspension liquid obtained in the step (3) at the temperature of 50-70 ℃ for 3-5 hours, cooling at room temperature, and finally washing with deionized water to obtain the synthetic catalyst.
Example 1
The embodiment discloses a synthetic catalyst, which comprises the following components in percentage by mass:
55% of water, 20% of copper chloride, 15% of potassium hydroxide, 5% of ethanol, 3% of sodium dihydrogen phosphate, 1% of sodium peroxide and 1% of potassium citrate.
The preparation method of the synthetic catalyst comprises the following steps:
step 1: weighing copper chloride, potassium hydroxide, ethanol, sodium dihydrogen phosphate, sodium peroxide and potassium citrate, adding the components into water according to mass percentage, and stirring for 30 minutes to obtain a mixed solution;
step 2, carrying out centrifugal precipitation on the mixed solution obtained in the step 1 to obtain a precipitate;
and step 3: adding the precipitate obtained in the step 2 into deionized water to obtain a suspension;
and 4, step 4: and (3) evaporating and drying the suspension in the step (3) at the temperature of 50 ℃ for 5 hours, cooling at room temperature, and finally washing with deionized water to obtain the synthetic catalyst.
Example 2
The embodiment discloses a synthetic catalyst, which comprises the following components in percentage by mass:
70% of water, 10% of copper chloride, 10% of potassium hydroxide, 1% of ethanol, 5% of sodium dihydrogen phosphate, 3% of sodium peroxide and 1% of potassium citrate.
The preparation method of the synthetic catalyst comprises the following steps:
step 1: weighing copper chloride, potassium hydroxide, ethanol, sodium dihydrogen phosphate, sodium peroxide and potassium citrate, adding the components into water according to mass percentage, and stirring for 10 minutes to obtain a mixed solution;
step 2, carrying out centrifugal precipitation on the mixed solution obtained in the step 1 to obtain a precipitate;
and step 3: adding the precipitate obtained in the step 2 into deionized water to obtain a suspension;
and 4, step 4: and (3) evaporating and drying the suspension in the step (3) at the temperature of 70 ℃ for 3 hours, cooling at room temperature, and finally washing with deionized water to obtain the synthetic catalyst.
Example 3
The embodiment discloses a synthetic catalyst, which comprises the following components in percentage by mass:
55% of water, 20% of copper chloride, 10% of potassium hydroxide, 5% of ethanol, 3% of sodium dihydrogen phosphate, 2% of sodium peroxide and 5% of potassium citrate.
The preparation method of the synthetic catalyst comprises the following steps:
step 1: weighing copper chloride, potassium hydroxide, ethanol, sodium dihydrogen phosphate, sodium peroxide and potassium citrate, adding the components into water according to mass percentage, and stirring for 15 minutes to obtain a mixed solution;
step 2, carrying out centrifugal precipitation on the mixed solution obtained in the step 1 to obtain a precipitate;
and step 3: adding the precipitate obtained in the step 2 into deionized water to obtain a suspension;
and 4, step 4: and (3) evaporating and drying the suspension in the step (3) at the temperature of 55 ℃ for 4 hours, cooling at room temperature, and finally washing with deionized water to obtain the synthetic catalyst.
Examples 4,
The synthetic catalyst comprises the following components in percentage by mass:
55% of water, 20% of copper chloride, 10% of potassium hydroxide, 5% of ethanol, 3% of sodium dihydrogen phosphate, 2% of sodium peroxide and 5% of potassium citrate.
The preparation method of the synthetic catalyst comprises the following steps:
step 1: weighing copper chloride, potassium hydroxide, ethanol, sodium dihydrogen phosphate, sodium peroxide and potassium citrate, adding the components into water according to mass percentage, and stirring for 15 minutes to obtain a mixed solution;
step 2, carrying out centrifugal precipitation on the mixed solution obtained in the step 1 to obtain a precipitate;
and step 3: adding the precipitate obtained in the step 2 into deionized water to obtain a suspension;
and 4, step 4: and (3) evaporating and drying the suspension in the step (3) at the temperature of 55 ℃ for 4 hours, cooling at room temperature, and finally washing with deionized water to obtain the synthetic catalyst.
Example 5
The synthetic catalyst comprises the following components in percentage by mass:
60% of water, 15% of copper chloride, 15% of potassium hydroxide, 3% of ethanol, 3% of sodium dihydrogen phosphate, 3% of sodium peroxide and 1% of potassium citrate.
The preparation method of the synthetic catalyst comprises the following steps:
step 1: weighing copper chloride, potassium hydroxide, ethanol, sodium dihydrogen phosphate, sodium peroxide and potassium citrate, adding the components into water according to mass percentage, and stirring for 25 minutes to obtain a mixed solution;
step 2, carrying out centrifugal precipitation on the mixed solution obtained in the step 1 to obtain a precipitate;
and step 3: adding the precipitate obtained in the step 2 into deionized water to obtain a suspension;
and 4, step 4: and (3) evaporating and drying the suspension in the step (3) at the temperature of 65 ℃ for 4.5 hours, cooling at room temperature, and finally washing with deionized water to obtain the synthetic catalyst.
Claims (6)
1. The synthesis catalyst is characterized by comprising the following components in percentage by mass:
40-70% of water, 10-25% of copper chloride, 10-25% of potassium hydroxide, 1-10% of ethanol, 1-5% of sodium dihydrogen phosphate, 1-5% of sodium peroxide and 1-10% of potassium citrate.
2. A synthesis catalyst according to claim 1, consisting of, in mass percent:
40-70% of water, 10-20% of copper chloride, 10-20% of potassium hydroxide, 1-10% of ethanol, 1-5% of sodium dihydrogen phosphate, 1-5% of sodium peroxide and 1-10% of potassium citrate.
3. A synthesis catalyst according to claim 2, consisting of, in mass percent:
40-70% of water, 10-20% of copper chloride, 10-20% of potassium hydroxide, 1-5% of ethanol, 1-5% of sodium dihydrogen phosphate, 1-5% of sodium peroxide and 1-10% of potassium citrate.
4. A synthesis catalyst according to claim 1, consisting of, in mass percent:
40-70% of water, 10-25% of copper chloride, 10-25% of potassium hydroxide, 1-5% of ethanol, 1-5% of sodium dihydrogen phosphate, 1-5% of sodium peroxide and 1-5% of potassium citrate.
5. A synthesis catalyst according to claim 1, consisting of, in mass percent:
60% of water, 15% of copper chloride, 15% of potassium hydroxide, 3% of ethanol, 3% of sodium dihydrogen phosphate, 3% of sodium peroxide and 1% of potassium citrate.
6. A synthesis catalyst according to claims 1 to 5, the method of preparation of the synthesis catalyst comprising the steps of:
step 1: weighing copper chloride, potassium hydroxide, ethanol, sodium dihydrogen phosphate, sodium peroxide and potassium citrate, adding the components into water according to mass percentage, and stirring for 10-30 minutes to obtain a mixed solution;
step 2, carrying out centrifugal precipitation on the mixed solution obtained in the step 1 to obtain a precipitate;
and step 3: adding the precipitate obtained in the step 2 into deionized water to obtain a suspension;
and 4, step 4: and (3) evaporating and drying the suspension in the step (3) at the temperature of 50-70 ℃ for 3-5 hours, then cooling at room temperature, and finally washing with deionized water to obtain the synthetic catalyst.
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| CN201911120820.3A CN110801868A (en) | 2019-11-15 | 2019-11-15 | Synthetic catalyst and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551201A (en) * | 2013-11-01 | 2014-02-05 | 长沙理工大学 | Method for preparing copper hydroxyphosphate catalyst |
| CN104874411A (en) * | 2015-05-07 | 2015-09-02 | 南京信息工程大学 | Preparation method of novel flower-like basic copper chloride catalyst |
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- 2019-11-15 CN CN201911120820.3A patent/CN110801868A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551201A (en) * | 2013-11-01 | 2014-02-05 | 长沙理工大学 | Method for preparing copper hydroxyphosphate catalyst |
| CN104874411A (en) * | 2015-05-07 | 2015-09-02 | 南京信息工程大学 | Preparation method of novel flower-like basic copper chloride catalyst |
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Application publication date: 20200218 |
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