CN111056899B - Dispersion pharmaceutical - Google Patents
Dispersion pharmaceutical Download PDFInfo
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- CN111056899B CN111056899B CN201811207001.8A CN201811207001A CN111056899B CN 111056899 B CN111056899 B CN 111056899B CN 201811207001 A CN201811207001 A CN 201811207001A CN 111056899 B CN111056899 B CN 111056899B
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/20—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/20—Use of additives, e.g. for stabilisation
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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
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/40—Ethylene production
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Abstract
The invention relates to a dispersing agent, which is mainly used for solving the technical problems that a large amount of butter is easily formed in the alkaline washing process of an alkaline washing tower of an industrial device for preparing olefin from methanol, the butter is further gathered, and then a tower tray/filler, a pipeline and a circulating pump are blocked, so that the stable operation of the alkaline washing tower is influenced. The invention adopts a dispersing medicament which comprises the following components: 25-35 parts of component A, 5-10 parts of component B and 1-5 parts of component C in parts by mass; the technical scheme that the component A is a polyol type substance, the component B is an imine compound and the component C is a hydroxylamine compound well solves the technical problems, and can be used for dispersing a large amount of heavy butter generated in the alkaline washing process of an alkaline washing tower of an industrial device for preparing olefin from methanol.
Description
Technical Field
The invention belongs to the field of chemical industry, particularly relates to a dispersing agent, and particularly relates to an agent suitable for dispersing heavy butter of an alkaline washing tower of an industrial device for preparing olefin from methanol.
Background
Ethylene and propylene in the low-carbon olefin are important organic chemical raw materials, and the demand is increased year by year. The traditional route for obtaining ethylene and propylene is naphtha cracking, the route depends on petroleum, and the petroleum has the problems of price rising and unstable supply in a short term, and the problem of limited resource storage capacity in a long term and the like. Therefore, in recent years, as a process for producing olefins in place of the naphtha route, a technology for producing lower olefins such as ethylene and propylene from coal or natural gas via methanol (methanol to olefins, MTO or MTP) has attracted considerable attention. In the conventional naphtha cracking route or in the emerging methanol-to-olefin technology, in order to obtain a target product meeting the purity requirement or recycle some unreacted materials, the materials flowing out of the reactor need to be subjected to a series of separation and purification processes, and an alkaline tower for removing acidic impurities is one of key equipment for material purification. The alkaline tower can generate a large amount of butter in the alkaline washing process, although a butter inhibitor is developed in the prior art, in the long-term circulating operation process of the alkaline tower, the more the butter is accumulated, a large amount of heavy butter is accumulated and scaled and adhered to a tower tray/filler, a pipeline and a circulating pump, the alkaline washing effect of the alkaline tower is influenced, even the tower blockage phenomenon can be caused, and the operation period of the alkaline tower is shortened.
At present, a method for solving the problem of generation of a large amount of butter in the alkaline washing tower mainly adds a butter inhibitor. The existing butter inhibitor has obvious effect on reducing the oil content and COD value of alkali liquor in each section of an alkali washing system, but disperses the generated heavy butter in time, so that the heavy butter inhibitor has good flowing property, has no obvious effect of timely discharging the heavy butter out of a tower, and cannot timely and effectively remove the heavy butter or scale accumulated on a tower tray or filler of an alkali washing tower. Patent US 69832 discloses an amino acid-based compound for inhibiting the formation of butter from the caustic wash tower of a plant. Patent CN102531822A inhibits the grease in the alkaline washing tower of ethylene plants by a mixture of antioxidant, metal deactivator, polymerization inhibitor, dispersant. However, these patents all have a relatively good effect in inhibiting butter formation, and do not have good dissolution, dispersion and cleaning properties for the butter that has been formed.
In the prior art, when a large amount of generated butter adheres to an alkaline washing tower to cause tower pressure rise and affect the stable operation of the alkaline washing tower, the accumulated heavy butter is dissolved by generally adopting a mode of injecting washing oil, so that the tower pressure drop is in a proper operation range, but the main component of the washing oil is benzene compounds, is toxic and harmful and is listed as a first class carcinogen, so that the use of the washing oil brings many problems to the subsequent treatment of waste alkaline liquor.
The invention provides a medicament for dispersing heavy butter of an alkaline washing tower of an industrial device for preparing olefin from methanol, which aims to solve the problems.
Disclosure of Invention
One of the technical problems to be solved by the invention is that the inlet material of the alkaline washing tower of the methanol-to-olefin industrial device contains higher oxygen-containing compounds such as aldehyde ketone and the like and partially unsaturated hydrocarbon substances, the substances are easy to polymerize to generate butter, and the butter is further gathered and adhered on a tower tray or a filler, thereby providing a medicament for dispersing heavy butter. The heavy butter dispersing agent provided by the method has the advantages of good dissolving and dispersing effects, strong pertinence, relative environmental protection and the like on heavy butter in an alkaline washing tower of an industrial device for preparing olefin from methanol.
The second technical problem to be solved by the invention is to adopt the medicament for dissolving and dispersing heavy butter of the alkaline tower of the methanol-to-olefin industrial device.
In order to solve one of the above technical problems, the technical scheme adopted by the invention is as follows: the heavy butter dispersing agent is characterized by comprising the following components in parts by mass: 25-35 parts of a component A, 5-10 parts of a component B and 1-5 parts of a component C; wherein, the component A is a polyol type substance, the component B is an imine compound, and the component C is a hydroxylamine compound.
Wherein, the component A is a polyol type substance, the component B is an imine compound, and the component C is a hydroxylamine compound.
In the above technical solution, the polyol type substance of the component a is preferably one or a mixture of two of sorbitan ester and sucrose ester. More preferably, the mixture of the sorbitan ester and the sucrose ester is prepared from (0.25-2): 1.
in the technical scheme, the component B imine compound is selected from one or a mixture of more of single succinimide, double succinimide and chlorine-free succinimide. The preferable technical proposal is that the component B is selected from mono-succinimide and chlorine-free succinimide; or the B component is selected from mono-succinimide and bis-succinimide. A more preferable technical scheme is that the component B is selected from a mixture commonly used by mono-succinimide, bis-succinimide and chlorine-free succinimide. The synergistic use of the three imine compounds achieves unexpected effects on the aspect of dispersing heavy butter.
Wherein the mass ratio of the mono-succinimide to the bis-succinimide to the chlorine-free succinimide is as follows: (1-5): (1-2): (1-2).
In the technical scheme, the hydroxylamine compound as the component C is one or a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine. The preferable technical proposal is that the component C is selected from N, N-diethylhydroxylamine and N, N-dimethylhydroxylamine; or the component C is selected from N, N-diethylhydroxylamine and N, N-isopropylhydroxylamine. A more preferable embodiment is that the component C is a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine. The synergistic use of the three hydroxylamine compounds provides unexpected results in terms of heavy butter dispersion.
Wherein the mass ratio of the N, N diethylhydroxylamine to the N, N dimethylhydroxylamine to the N, N isopropylhydroxylamine is as follows: (1-5): (1-2): (1-2).
In the above technical scheme, the ratio of the mass parts of the component A, the component B and the component C is preferably: (25 to 30), (6 to 8) and (1 to 3).
To solve the second technical problem, the technical solution adopted by the present invention is as follows: the method for dispersing the heavy butter of the alkaline tower of the methanol-to-olefin industrial device by adopting any one of the agents for dispersing the heavy butter is adopted, the reaction temperature is 30-60 ℃, and the operation pressure is 0.1-3 MPa, the heavy butter dispersing agent is directly or firstly dissolved in a solvent and then continuously injected into the alkaline tower on line together with an alkaline liquor through an alkaline liquor injection line of the alkaline tower in the methanol-to-olefin industrial device, or an injection line is independently arranged and injected into the alkaline tower on line.
In the above technical scheme, the solvent is deionized water; the mass ratio of the total mass of the component A, the component B and the component C in the medicament to the solvent is 1 (1-5).
In the technical scheme, the mass concentration of the oxygen-containing compound in the inlet material of the alkaline washing tower of the industrial device for preparing olefin from methanol is 30-400 ppm.
In the technical scheme, the percentage content of the added dispersing agent in the total mass of the materials at the inlet of the alkaline washing tower is defined as the total mass concentration of the heavy butter dispersing agent, and the total mass concentration of the dispersing agent is preferably 80-300 ppm.
The feed inlet of the alkaline washing tower of the methanol-to-olefin industrial unit contains higher oxygenates such as aldehyde ketone and the like and partially unsaturated hydrocarbons, and the oxygenates and the partially unsaturated hydrocarbons are polymerized under certain conditions to form yellow viscous polymers with certain molecular weight. The invention has the advantages that the added dispersing agent containing the component A, the component B and the component C can reduce the viscosity, solubilize and disperse the yellow viscous polymer, so that less dispersing agent can achieve better dissolving and dispersing effects.
By adopting the technical scheme of the invention, the paint comprises the following components in parts by mass: 25-35 parts of a component A, 5-10 parts of a component B and 1-5 parts of a component C; wherein, the component A is a polyol type substance, the component B is an imine compound, and the component C is a hydroxylamine compound. The technical effect that the dispersion rate of the butter reaches 99.68 percent is achieved.
Detailed Description
The process of the present invention is further illustrated below with reference to examples, but the scope of the present invention is not limited thereto.
The alkaline washing conditions of the alkaline washing tower simulation device of the industrial device for preparing olefin from methanol used in the embodiment of the invention and the comparative example are the same, the operating temperature of the alkaline washing tower is 40 ℃, the operating pressure is 0.138MPa, the alkaline washing tower runs for 2 days without adding a butter inhibitor, a certain amount of butter is gathered on a tower plate, a dispersing agent is continuously injected at the inlet of an alkaline liquor circulating pump of the alkaline washing tower, the alkaline washing tower is simulated to run continuously for 5 days, the dissolving and dispersing effects of the dispersing agent are measured according to the change of the butter attachment amount on the tower plate, and the calculation and the display are as follows.
Butter dispersing ratio (M) 1 -M 2 )/M 1 ×100％
M 1 : amount of yellow oil before addition of the dispersing agent, g
M 2 : amount of butter added with dispersing agent, g
[ example 1 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and then respectively adding a component A, a component B and a component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is sorbitan ester; the component B is mono-succinimide; the component C is N, N-diethylhydroxylamine. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 97.89%.
[ example 2 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is sucrose ester; the component B is mono-succinimide; the component C is N, N-diethylhydroxylamine. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 98.08%.
[ example 3 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 1: 1; the component B is mono-succinimide; the component C is N, N-diethylhydroxylamine. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the chemicals is applied to an alkaline washing tower simulation device of an industrial device for preparing olefin from methanol, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 98.29 percent.
[ example 4 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester with the mass ratio of 1: 4; the component B is mono-succinimide; the component C is N, N-diethylhydroxylamine. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 98.25%.
[ example 5 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is mono-succinimide; the component C is N, N-diethylhydroxylamine. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 98.38%.
[ example 6 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is bis-succinimide; the component C is N, N-diethylhydroxylamine. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 98.34%.
[ example 7 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is non-chloroprene imide; the component C is N, N-diethylhydroxylamine. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 98.33%.
[ example 8 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide and chlorine-free diimide with the mass ratio of 2: 1; the component C is N, N-diethylhydroxylamine. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersion rate is calculated to be 98.40%.
[ example 9 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide and bis-succinimide with the mass ratio of 2: 1; the component C is N, N-diethylhydroxylamine. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 98.38%.
[ example 10 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide, and the mass ratio of the components is 5:1: 1; the component C is N, N-diethylhydroxylamine. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the chemicals is applied to an alkaline washing tower simulation device of an industrial device for preparing olefin from methanol, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 98.42 percent.
[ example 11 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 1:2: 2; the component C is N, N-diethylhydroxylamine. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 98.46%.
[ example 12 ] A method for producing a polycarbonate
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is N, N-diethylhydroxylamine. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 98.48%.
[ example 13 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is N, N-diethylhydroxylamine. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersion rate is calculated to be 98.47%.
[ example 14 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and then respectively adding a component A, a component B and a component C into the deionized water according to the mass part ratio of 30:10:5, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide, and the mass ratio of the components is 2:1: 1; the component C is N, N-isopropylhydroxylamine. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 98.44%.
[ example 15 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is a mixture of N, N-diethylhydroxylamine and N, N-dimethylhydroxylamine, and the mass ratio of the N, N-diethylhydroxylamine to the N, N-dimethylhydroxylamine is 2: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 98.59%.
[ example 16 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding a component A, a component B and a component C in a mass ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is a mixture of N, N diethylhydroxylamine and N, N isopropylhydroxylamine, and the mass ratio of the N, N diethylhydroxylamine to the N, N isopropylhydroxylamine is 2: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersion rate is calculated to be 98.67%.
[ example 17 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding a component A, a component B and a component C in a mass ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine, and the mass ratio of the N, N diethylhydroxylamine to the N, N dimethylhydroxylamine to the N, N isopropylhydroxylamine is 5:1: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersion rate is calculated to be 99.16%.
[ example 18 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding a component A, a component B and a component C in a mass ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine, and the mass ratio of the N, N diethylhydroxylamine to the N, N dimethylhydroxylamine to the N, N isopropylhydroxylamine is 1:2: 2. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 99.13%.
[ example 19 ] to provide
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding a component A, a component B and a component C in a mass ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine, and the mass ratio of the N, N diethylhydroxylamine to the N, N dimethylhydroxylamine to the N, N isopropylhydroxylamine is 2:1: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 99.21%.
[ example 20 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding a component A, a component B and a component C with the mass part ratio of 32:8:5 into the deionized water, wherein the component A is a mixture of sorbitan esters and sucrose esters with the mass ratio of 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine, and the mass ratio of the N, N diethylhydroxylamine to the N, N dimethylhydroxylamine to the N, N isopropylhydroxylamine is 2:1: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 99.30%.
[ example 21 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and then respectively adding a component A, a component B and a component C into the deionized water according to the mass part ratio of 32:10:3, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine, and the mass ratio of the N, N diethylhydroxylamine to the N, N dimethylhydroxylamine to the N, N isopropylhydroxylamine is 2:1: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the chemicals is applied to an alkaline washing tower simulation device of an industrial device for preparing olefin from methanol, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 99.23%.
[ example 22 ]
Adding 135 parts of deionized water into a reaction kettle with a stirring function, and then respectively adding a component A, a component B and a component C into the deionized water according to the mass part ratio of 30:10:5, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine, and the mass ratio of the N, N diethylhydroxylamine to the N, N dimethylhydroxylamine to the N, N isopropylhydroxylamine is 2:1: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 98.81%.
[ example 23 ]
Adding 225 parts of deionized water into a reaction kettle with a stirring function, and respectively adding a component A, a component B and a component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester with the mass ratio of 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine, and the mass ratio of the N, N diethylhydroxylamine to the N, N dimethylhydroxylamine to the N, N isopropylhydroxylamine is 2:1: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 97.90%.
[ example 24 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine, and the mass ratio of the N, N diethylhydroxylamine to the N, N dimethylhydroxylamine to the N, N isopropylhydroxylamine is 2:1: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersing agent. The group of agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 30ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 99.51%.
[ example 25 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine, and the mass ratio of the N, N diethylhydroxylamine to the N, N dimethylhydroxylamine to the N, N isopropylhydroxylamine is 2:1: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 200ppm, the total mass concentration of injected dispersing agents is 100ppm, and the butter dispersion rate is calculated to be 98.82% after the continuous operation for 5 days.
[ example 26 ] to
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine, and the mass ratio of the N, N diethylhydroxylamine to the N, N dimethylhydroxylamine to the N, N isopropylhydroxylamine is 2:1: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 400ppm, the total mass concentration of injected dispersing agents is 100ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 98.13%.
[ example 27 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine, and the mass ratio of the N, N diethylhydroxylamine to the N, N dimethylhydroxylamine to the N, N isopropylhydroxylamine is 2:1: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 200ppm, and the butter dispersion rate is calculated to be 99.51% after the continuous operation is carried out for 5 days.
[ example 28 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine, and the mass ratio of the N, N diethylhydroxylamine to the N, N dimethylhydroxylamine to the N, N isopropylhydroxylamine is 2:1: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 300ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 99.68%.
[ example 29 ]
Adding 45 parts of deionized water into a reaction kettle with a stirring function, and respectively adding the component A, the component B and the component C with the mass part ratio of 30:10:5 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester, and the mass ratio of the component A to the sucrose ester is 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine, and the mass ratio of the N, N diethylhydroxylamine to the N, N dimethylhydroxylamine to the N, N isopropylhydroxylamine is 2:1: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of the agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, wherein the mass concentration of oxygen-containing compounds of materials at the inlet of the alkaline washing tower is 150ppm, the total mass concentration of injected dispersing agents is 80ppm, and after the continuous operation for 5 days, the butter dispersing rate is calculated to be 99.15%.
Comparative example 1
The mass concentration of oxygen-containing compounds of materials at the inlet of an alkaline tower of an industrial device for preparing olefin from methanol is 150ppm, the operating temperature of the alkaline tower is 40 ℃, the operating pressure is 0.138MPa, the materials operate for 2 days without adding a butter inhibitor in the alkaline tower, a certain amount of butter is gathered on a tower plate, a certain cleaning agent is continuously injected at the inlet of an alkaline liquor circulating pump of the alkaline tower, the agent comprises 18g of sodium methyl fatty acid ester sulfonate, 9g of dodecyl dimethyl benzyl ammonium chloride, 4.5g of nonylphenol polyoxyethylene ether, 27g of carbohydrazide and 31.5g of deionized water, the total mass concentration of the injected agent is 100ppm, the continuous operation is carried out for 5 days, and the calculated butter dispersion rate is 96.80%.
Comparative example 2
The mass concentration of oxygen-containing compounds of an inlet material of an alkaline tower of an industrial device for preparing olefin from methanol is 150ppm, the operating temperature of the alkaline tower is 40 ℃, the operating pressure is 0.138MPa, the alkaline tower runs for 2 days without adding a butter inhibitor, a certain amount of butter is gathered on a tower plate, an aldehyde ketone inhibitor is continuously injected at an inlet of an alkaline tower alkali liquor circulating pump, the inhibitor comprises 9g of 2, 6-di-tert-butyl-p-cresol, 9g of N, N-dialkyl amino methylene benzotriazole, 13.5g of ethylene amine, 9g of mono-succinimide and 49.5g of deionized water, the total mass concentration of the injected medicament is 100ppm, the alkaline tower continuously runs for 5 days, and the butter dispersion rate is calculated to be 78.90%.
Comparative example 3
The mass concentration of oxygen-containing compounds of an inlet material of an alkaline tower of an industrial device for preparing olefin from methanol is 150ppm, the operating temperature of the alkaline tower is 40 ℃, the operating pressure is 0.138MPa, the alkaline tower runs for 2 days without adding a butter inhibitor, a certain amount of butter is gathered on a tower plate, an aldehyde ketone inhibitor is continuously injected at an inlet of an alkaline tower alkali liquor circulating pump, the inhibitor comprises 18g of 2, 6-ditert-butyl-p-cresol, 13.5g of 2-mercapto benzothiadiazole sodium, 18g of dimethylaminoethanol, 16.2g of bis-succinimide and 24.3g of deionized water, the total mass concentration of the injected medicament is 100ppm, the alkaline tower runs for 5 days continuously, and the butter dispersion rate is calculated to be 79.23%.
Comparative example 4
The mass concentration of oxygen-containing compounds of an inlet material of an alkaline tower of an industrial device for preparing olefin from methanol is 150ppm, the operating temperature of the alkaline tower is 40 ℃, the operating pressure is 0.138MPa, the alkaline tower runs for 2 days without adding a butter inhibitor, a certain amount of butter is gathered on a tower plate, an aldehyde ketone inhibitor is continuously injected at an inlet of an alkaline liquor circulating pump of the alkaline tower, the inhibitor comprises 18g of N-phenyl-alpha-naphthylamine, 16.2g of 2-mercapto benzothiadiazole sodium, 16.2g of diethylenetriamine, 16.2g of chlorine-free succinimide and 23.4g of deionized water, the total mass concentration of the injected medicament is 100ppm, the alkaline tower runs for 5 days continuously, and the butter dispersion rate is calculated to be 80.00 percent.
Comparative example 5
The mass concentration of oxygen-containing compounds of an inlet material of an alkaline tower of an industrial device for preparing olefin from methanol is 150ppm, the operating temperature of the alkaline tower is 40 ℃, the operating pressure is 0.138MPa, the alkaline tower runs for 2 days without adding a butter inhibitor, a certain amount of butter is gathered on a tower plate, and a medicament formed by the following method is continuously injected at an inlet of an alkaline circulation pump of the alkaline tower. Adding 45 parts of deionized water into a reaction kettle with heating and stirring functions, and then respectively adding the component A and the component B with the mass part ratio of 30:15 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester with the mass ratio of 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide, and the mass ratio of the components is 2:1: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of medicaments are applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, the total mass concentration of the injected medicaments is 100ppm, the continuous operation is carried out for 5 days, and the calculated butter dispersion rate is 90.33 percent.
Comparative example 6
The mass concentration of oxygen-containing compounds of an inlet material of an alkaline tower of an industrial device for preparing olefin from methanol is 150ppm, the operating temperature of the alkaline tower is 40 ℃, the operating pressure is 0.138MPa, the alkaline tower runs for 2 days without adding a butter inhibitor, a certain amount of butter is gathered on a tower plate, and a medicament formed by the following method is continuously injected at an inlet of an alkaline circulation pump of the alkaline tower. Adding 45 parts of deionized water into a reaction kettle with heating and stirring functions, and then respectively adding a component B and a component C with the mass part ratio of 30:15 into the deionized water, wherein the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide with the mass ratio of 2:1: 1; the component C is a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine, and the mass ratio of the N, N diethylhydroxylamine to the N, N dimethylhydroxylamine to the N, N isopropylhydroxylamine is 2:1: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, the total mass concentration of the injected agents is 100ppm, the operation is continuously carried out for 5 days, and the calculated butter dispersion rate is 89.00 percent.
Comparative example 7
The mass concentration of oxygen-containing compounds of an inlet material of an alkaline tower of an industrial device for preparing olefin from methanol is 150ppm, the operating temperature of the alkaline tower is 40 ℃, the operating pressure is 0.138MPa, the alkaline tower runs for 2 days without adding a butter inhibitor, a certain amount of butter is gathered on a tower plate, and a medicament formed by the following method is continuously injected at an inlet of an alkaline circulation pump of the alkaline tower. Adding 45 parts of deionized water into a reaction kettle with heating and stirring functions, and then respectively adding the component A and the component C with the mass part ratio of 30:15 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester with the mass ratio of 2: 1; the component C is a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine, and the mass ratio of the N, N diethylhydroxylamine to the N, N dimethylhydroxylamine to the N, N isopropylhydroxylamine is 2:1: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of agents is applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, the total mass concentration of the injected agents is 100ppm, the operation is continuously carried out for 5 days, and the butter dispersion rate is calculated to be 91.23%.
[ COMPARATIVE EXAMPLE 8 ]
The mass concentration of oxygen-containing compounds of an inlet material of an alkaline tower of an industrial device for preparing olefin from methanol is 150ppm, the operating temperature of the alkaline tower is 40 ℃, the operating pressure is 0.138MPa, the alkaline tower runs for 2 days without adding a butter inhibitor, a certain amount of butter is gathered on a tower plate, and a medicament formed by the following method is continuously injected at an inlet of an alkaline circulation pump of the alkaline tower. Adding 45 parts of deionized water into a reaction kettle with heating and stirring functions, and then respectively adding a component A, a component B and a component C with the mass part ratio of 30:5:10 into the deionized water, wherein the component A is a mixture of sorbitan ester and sucrose ester with the mass ratio of 2: 1; the component B is a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide in a mass ratio of 2:1: 1; the component C is a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine, and the mass ratio of the N, N diethylhydroxylamine to the N, N dimethylhydroxylamine to the N, N isopropylhydroxylamine is 2:1: 1. Stirring for 1 hour, standing for half an hour, and filtering to obtain the dispersible preparation. The group of medicaments are applied to an alkaline washing tower simulation device of an industrial methanol-to-olefin device, the total mass concentration of the injected medicaments is 50ppm, the continuous operation is carried out for 5 days, and the calculated butter dispersion rate is 97.55 percent.
The A component, B component, C component, butter dispersing ratio and the like used in examples 1 to 29 and comparative examples 1 to 8 are shown in Table 1.
In table 1, "mass fraction ratio" means a ratio of parts by mass of the a component, the B component, and the C component; "agent-to-water ratio" means a mass ratio of the total mass of the A component, the B component and the C component to deionized water; the injection amount is the total mass concentration of the dispersing agent, and YHL is the mass concentration of the oxygen-containing compound of the alkali tower inlet material.
TABLE 1
Claims (8)
1. A dispersing medicament is characterized by comprising the following components in parts by mass: 25-35 parts of a component A, 5-10 parts of a component B and 1-5 parts of a component C;
the component A is one or a mixture of sorbitan ester and sucrose ester; the component B is selected from one or more of mono-succinimide, bis-succinimide and chlorine-free succinimide; the component C is one or a mixture of N, N diethylhydroxylamine, N dimethylhydroxylamine and N, N isopropylhydroxylamine.
2. The dispersion agent according to claim 1, wherein the B component is selected from the group consisting of mono-succinimide and chlorine-free succinimide; or the B component is selected from mono-succinimide and bis-succinimide.
3. A dispersion according to claim 1 wherein the B component is selected from the group consisting of a mixture of mono-succinimide, bis-succinimide and chlorine-free succinimide.
4. The dispersion agent according to claim 1, wherein the ratio of the parts by mass of the component A, the component B and the component C is: (25 to 30), (6 to 8) and (1 to 3).
5. A method for dispersing heavy butter of an alkaline washing tower of an industrial methanol-to-olefin device adopts any one dispersing agent of claims 1 to 4, and is characterized in that the dispersing agent is directly or firstly dissolved in a solvent and then continuously injected into the alkaline washing tower on line together with an alkaline liquor through an alkaline liquor injection line of the alkaline washing tower of the industrial methanol-to-olefin device or is independently provided with an injection line to be injected into the alkaline washing tower on line under the conditions that the reaction temperature is 30-60 ℃ and the operation pressure is 0.1-3 MPa.
6. The method for dispersing heavy butter of alkaline tower of methanol to olefins industrial plant according to claim 5, characterized in that the solvent is deionized water; the mass ratio of the total mass of the component A, the component B and the component C in the medicament to the solvent is 1 (1-5).
7. The method for dispersing the butter of the alkaline washing tower of the methanol-to-olefin industrial device according to claim 5, wherein the mass concentration of the oxygen-containing compound in the inlet material of the alkaline washing tower of the methanol-to-olefin industrial device is 30-400 ppm.
8. The method for dispersing the butter of the alkaline washing tower of the methanol-to-olefin industrial plant according to claim 5, wherein the total mass concentration of the injected dispersing agent is 80-300 ppm based on the mass of the dispersing agent.
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| CN106745857A (en) * | 2016-12-13 | 2017-05-31 | 天津市瑞德赛恩新材料开发有限公司 | A kind of water scrubber dirt dispersion agent and its application method |
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| CN106745857A (en) * | 2016-12-13 | 2017-05-31 | 天津市瑞德赛恩新材料开发有限公司 | A kind of water scrubber dirt dispersion agent and its application method |
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