CN115490244A - Device and method for treating ammonia-containing organic matter - Google Patents
Device and method for treating ammonia-containing organic matter Download PDFInfo
- Publication number
- CN115490244A CN115490244A CN202211087742.3A CN202211087742A CN115490244A CN 115490244 A CN115490244 A CN 115490244A CN 202211087742 A CN202211087742 A CN 202211087742A CN 115490244 A CN115490244 A CN 115490244A
- Authority
- CN
- China
- Prior art keywords
- gas
- ammonia
- tower
- liquid separation
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 202
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 47
- 239000005416 organic matter Substances 0.000 title claims abstract description 46
- 238000000926 separation method Methods 0.000 claims abstract description 126
- 239000007788 liquid Substances 0.000 claims abstract description 108
- 239000000203 mixture Substances 0.000 claims abstract description 38
- 238000000746 purification Methods 0.000 claims abstract description 18
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 68
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 52
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 52
- 239000001569 carbon dioxide Substances 0.000 claims description 34
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 34
- 239000002994 raw material Substances 0.000 claims description 25
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 21
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 21
- 238000004064 recycling Methods 0.000 claims description 17
- 239000007791 liquid phase Substances 0.000 claims description 16
- 239000012071 phase Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 13
- 150000005676 cyclic carbonates Chemical class 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 11
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical group O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 239000011368 organic material Substances 0.000 claims description 4
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 16
- 239000006227 byproduct Substances 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical group [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 239000002000 Electrolyte additive Substances 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/022—Preparation of aqueous ammonia solutions, i.e. ammonia water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1475—Removing carbon dioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Gas Separation By Absorption (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention provides a device and a method for treating ammonia-containing organic matters, and relates to the field of separation and purification. The device for treating the ammonia-containing organic matters comprises a primary compressor, a secondary compressor, a primary gas-liquid separation tank, a secondary gas-liquid separation tank, a primary separation liquid pump, a secondary separation liquid pump, a tower kettle pump, a cooler and an ammonia tower. The invention provides a method for treating ammonia-containing organic matters, which can economically and efficiently treat an organic matter mixture containing ammonia gas, can realize the recovery of the organic matters and the treatment of the generated ammonia gas, and solves the problems that the treatment efficiency of the organic matter mixture containing ammonia gas is not high and the generated ammonia gas cannot be recovered.
Description
Technical Field
The invention relates to the technical field of separation and purification, in particular to a device and a method for treating ammonia-containing organic matters.
Background
The cyclic carbonate (such as ethylene carbonate and propylene carbonate) is an important organic solvent, can be used for electrolyte of a lithium ion battery, can also be used for synthesis of an electrolyte additive, and has good economic value. Ammonia gas is an important chemical basic product, can be used for preparing liquid ammonia and ammonia water, and is widely used in the industries of chemical industry, medicine and the like.
The urea reacts with dihydric alcohol (such as ethylene glycol and propylene glycol) to generate cyclic carbonate (such as ethylene carbonate and propylene carbonate) and ammonia gas. The raw materials are cheap and easy to obtain, and the product has good economic value, so the process has good application prospect, however, in the reaction process of urea and dihydric alcohol, along with the decomposition reaction of a small amount of urea and water, ammonia gas and carbon dioxide are generated in the decomposition reaction, if the by-product ammonia gas containing carbon dioxide can not be timely treated, the pipeline can be blocked, thereby affecting the normal operation of the process, the patent CN110817900B provides a method for separating the ammonia gas containing carbon dioxide and organic matters, but the ammonia gas needs to be subjected to secondary washing in the process, and the operation is complex; the obtained by-product is ammonium carbonate which is easy to decompose and is not beneficial to storage and utilization; the patent CN112076609A uses alkali liquor to absorb carbon dioxide, the effect is good, but sodium carbonate by-products are not obtained. In view of the above, it is necessary to develop a process for treating ammonia-containing organic materials with high efficiency.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a device and a method for treating ammonia-containing organic matters, which solve the problems that the treatment efficiency of an organic matter mixture containing ammonia gas is not high and the generated ammonia gas cannot be recycled.
In order to achieve the purpose, the invention is realized by the following technical scheme: a method for treating an ammonia-containing organic substance, comprising the steps of:
s1, carrying out primary gas-liquid separation on raw material gas
Conveying the organic matter mixture containing ammonia gas to a first-stage gas-liquid separation tank through a first-stage compressor for first-stage gas-liquid separation, conveying the obtained liquid-phase organic matter to subsequent procedures for separation, purification and recycling, and conveying the gas-phase product to a second-stage gas-liquid separation tank through a second-stage compressor;
s2, carrying out secondary gas-liquid separation on the raw material gas prepared in the step S1 in a secondary gas-liquid separation tank, wherein the obtained liquid-phase organic matter is conveyed to a subsequent procedure for separation, purification and recycling, and the gas-phase product is conveyed to an ammonia tower;
s3, preparing carbon-containing ammonia water:
spraying desalted water on the tower top of an ammonia tower, absorbing ammonia gas containing carbon dioxide, preparing industrial ammonia water with different concentrations by controlling the circulation amount at the tower bottom and the temperature of a cooler, and conveying unabsorbed ammonia gas to subsequent rectification through the tower top to prepare liquid ammonia;
in the step S1, the organic matter mixture containing ammonia gas is composed of the following raw materials in percentage by mass: 1 to 10 percent of dihydric alcohol, 0.05 to 5 percent of cyclic carbonate, 1 to 5 percent of carbon dioxide and 85 to 97.8 percent of ammonia gas.
Preferably, the pressure of the organic mixture containing ammonia gas is 1 to 30kpa, and the temperature is 40 to 80 ℃.
Preferably, the dihydric alcohol is ethylene glycol or propylene glycol, and the cyclic carbonate is ethylene carbonate or propylene carbonate.
Preferably, in the step S1, the temperature of the primary gas-liquid separation tank is 70 to 80 ℃ and the pressure is 0.1 to 0.2Mpa.
Preferably, in the step S2, the temperature of the secondary gas-liquid separation tank is 60 to 70 ℃ and the pressure is 0.2 to 0.3Mpa.
Preferably, in the step S3, the cooling temperature of the material in the ammonia water tower is 15 to 30 ℃, the concentration of the industrial ammonia water is 20 to 28%, and the content of carbon dioxide in the ammonia water tower is 0.2 to 2%.
Preferably, a processing apparatus who contains ammonia organic matter, including one-level compressor, secondary compressor, one-level gas-liquid separation jar, second grade gas-liquid separation jar, one-level separation liquid pump, second grade separation liquid pump, tower cauldron pump, cooler and ammonia water tower, the export of one-level compressor passes through the pipeline and links to each other with the top entry of one-level gas-liquid separation jar, the bottom export of one-level gas-liquid separation jar passes through the pipeline and links to each other with the first grade separation liquid pump, the top export of one-level gas-liquid separation jar passes through the pipeline and links to each other with the second grade compressor is the input, the output of second grade compressor passes through the pipeline and links to each other with the second grade separation liquid pump, the top export of second grade gas-liquid separation jar passes through the pipeline and links to each other with the bottom entry of ammonia water tower, the bottom of ammonia water tower passes through tower cauldron pump and cooler links to each other, the output of cooler passes through the pipeline and links to each other with the entry of ammonia water tower.
Preferably, the inlet material A of the primary compressor is an organic matter mixture containing ammonia and carbon dioxide, the output B of the primary separation liquid pump is a mixture of dihydric alcohol and cyclic carbonate, the output C of the secondary separation liquid pump is a mixture of dihydric alcohol and cyclic carbonate, the inlet material D of the ammonia water tower is desalted water, the top output E of the ammonia water tower is ammonia gas without carbon dioxide, and the output F of the tower kettle pump is industrial ammonia water containing carbon.
The invention provides a device and a method for treating ammonia-containing organic matters. The method has the following beneficial effects:
1. the invention provides a method for treating ammonia-containing organic matters, which can economically and efficiently treat an organic matter mixture containing ammonia gas, can realize the recovery of the organic matters and the treatment of the generated ammonia gas, and solves the problems that the treatment efficiency of the organic matter mixture containing ammonia gas is not high and the generated ammonia gas cannot be recovered;
2. the invention provides a treatment device for ammonia-containing organic matters, which has the advantages of low equipment investment, simple process and convenient operation, can realize the recycling of the organic matters, obtains a byproduct ammonia water, is beneficial to the subsequent process and can reduce the comprehensive cost of production.
Drawings
FIG. 1 is a diagram of an apparatus for treating an ammonia-containing organic substance according to the present invention.
Wherein, 1, a first-stage compressor; 2. a secondary compressor; 3. a first-stage gas-liquid separation tank; 4. a secondary gas-liquid separation tank; 5. a first-stage separation liquid pump; 6. a secondary separation liquid pump; 7. a tower kettle pump; 8. a cooler; 9. an ammonia water tower.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, an embodiment of the present invention provides a method for treating an ammonia-containing organic substance, including the following steps:
s1, carrying out primary gas-liquid separation on raw material gas
Conveying an organic matter mixture containing ammonia gas to a primary gas-liquid separation tank 3 through a primary compressor 1 for primary gas-liquid separation, conveying the obtained liquid-phase organic matter to subsequent procedures for separation, purification and recycling, and conveying a gas-phase product to a secondary gas-liquid separation tank 4 through a secondary compressor 2;
s2, carrying out secondary gas-liquid separation on the raw material gas prepared in the step S1 in a secondary gas-liquid separation tank 4, conveying the obtained liquid-phase organic matter to a subsequent process for separation, purification and recycling, and conveying a gas-phase product into an ammonia tower 9;
s3, preparing carbon-containing ammonia water:
and spraying desalted water on the tower top of the ammonia tower 9 to absorb ammonia gas containing carbon dioxide, preparing industrial ammonia water with different concentrations by controlling the circulation amount at the tower bottom and the temperature of the cooler 8, and conveying the unabsorbed ammonia gas to subsequent rectification through the tower top to prepare liquid ammonia.
In the step S1, the organic matter mixture containing ammonia gas comprises the following raw materials in percentage by mass: the ethylene glycol content was 1%, the ethylene carbonate content was 0.2%, the carbon dioxide content was 1%, the ammonia content was 97.8%, the pressure of the ammonia-containing organic mixture was 30kpa, and the temperature was 80 ℃.
The dihydric alcohol is ethylene glycol or propylene glycol, and the cyclic carbonate is ethylene carbonate or propylene carbonate.
In the step S1, the temperature of the primary gas-liquid separation tank 3 is 80 ℃ and the pressure is 0.2Mpa.
In the step S2, the temperature of the secondary gas-liquid separation tank 4 is 70 ℃, and the pressure is 0.3Mpa.
In the step S3, the cooling temperature of the materials in the ammonia tower 9 is 30 ℃, the concentration of the industrial ammonia water is 20%, and the content of carbon dioxide in the ammonia tower 9 is 1%.
The utility model provides a processing apparatus who contains ammonia organic matter, including one-level compressor 1, second grade compressor 2, one-level gas-liquid separation jar 3, second grade gas-liquid separation jar 4, one-level separation liquid pump 5, second grade separation liquid pump 6, tower cauldron pump 7, cooler 8 and aqueous ammonia tower 9, the export of one-level compressor 1 passes through the pipeline and links to each other with the top entry of one-level gas-liquid separation jar 3, the bottom export of one-level gas-liquid separation jar 3 passes through the pipeline and links to each other with one-level separation liquid pump 5, the top export of one-level gas-liquid separation jar 3 passes through the pipeline and links to each other with second grade compressor 2 is the input, the output of second grade compressor 2 passes through the pipeline and links to each other with the top entry of second grade gas-liquid separation jar 4, the bottom export of second grade gas-liquid separation jar 4 passes through the pipeline and links to each other with the bottom entry of aqueous ammonia tower 9, the bottom of aqueous ammonia tower 9 passes through tower cauldron pump 7 and links to each other with cooler 8, the output of cooler 8 passes through the pipeline and links to each other with the entry of aqueous ammonia tower 9.
The inlet material A of the primary compressor 1 is an organic matter mixture containing ammonia and carbon dioxide, the output B of the primary separation liquid pump 5 is a mixture of dihydric alcohol and cyclic carbonate, the output C of the secondary separation liquid pump 6 is a mixture of the dihydric alcohol and the cyclic carbonate, the inlet material D of the ammonia tower 9 is desalted water, the top output E of the ammonia tower 9 is ammonia gas without carbon dioxide, and the output F of the tower kettle pump 7 is industrial ammonia water containing carbon.
Example two:
as shown in fig. 1, an embodiment of the present invention provides a method for treating an ammonia-containing organic substance, including the following steps:
s1, carrying out primary gas-liquid separation on raw material gas
Conveying an organic matter mixture containing ammonia gas to a primary gas-liquid separation tank 3 through a primary compressor 1 for primary gas-liquid separation, conveying the obtained liquid-phase organic matter to subsequent procedures for separation, purification and recycling, and conveying a gas-phase product to a secondary gas-liquid separation tank 4 through a secondary compressor 2;
the organic matter mixture containing ammonia gas comprises the following raw materials in percentage by mass: 8% of ethylene glycol, 5% of ethylene carbonate, 2% of carbon dioxide and 85% of ammonia gas;
the pressure of the organic mixture containing ammonia gas was 20kpa, and the temperature was 70 ℃;
the temperature of the primary gas-liquid separation tank 3 is 75 ℃, and the pressure is 0.15Mpa;
s2, carrying out secondary gas-liquid separation on the raw material gas prepared in the step S1 in a secondary gas-liquid separation tank 4, conveying the obtained liquid-phase organic matter to a subsequent process for separation, purification and recycling, and conveying a gas-phase product into an ammonia tower 9;
the temperature of the second-stage gas-liquid separation tank 4 is 65 ℃, and the pressure is 0.25Mpa;
s3, preparing carbon-containing ammonia water:
spraying desalted water on the tower top of an ammonia water tower 9, absorbing ammonia gas containing carbon dioxide, preparing industrial ammonia water with different concentrations by controlling the circulation quantity at the tower bottom and the temperature of a cooler 8, and conveying unabsorbed ammonia gas to subsequent rectification through the tower top to prepare liquid ammonia;
the cooling temperature of the materials in the ammonia tower 9 is 25 ℃, the concentration of the industrial ammonia water is 25 percent, and the content of carbon dioxide in the ammonia tower 9 is 1.5 percent.
Example three:
as shown in fig. 1, an embodiment of the present invention provides a method for treating an ammonia-containing organic substance, including the following steps:
s1, carrying out primary gas-liquid separation on raw material gas
Conveying an organic matter mixture containing ammonia gas to a primary gas-liquid separation tank 3 through a primary compressor 1 for primary gas-liquid separation, conveying the obtained liquid-phase organic matter to subsequent procedures for separation, purification and recycling, and conveying a gas-phase product to a secondary gas-liquid separation tank 4 through a secondary compressor 2;
the organic matter mixture containing ammonia gas comprises the following raw materials in percentage by mass: 10% of ethylene glycol, 0.05% of ethylene carbonate, 2.55% of carbon dioxide and 87.4% of ammonia gas;
the pressure of the organic mixture containing ammonia gas is 10kpa, and the temperature is 60 ℃;
the temperature of the primary gas-liquid separation tank 3 is 70 ℃, and the pressure is 0.1Mpa;
s2, carrying out secondary gas-liquid separation on the raw material gas prepared in the step S1 in a secondary gas-liquid separation tank 4, conveying the obtained liquid-phase organic matter to a subsequent process for separation, purification and recycling, and conveying a gas-phase product into an ammonia tower 9;
the temperature of the second-stage gas-liquid separation tank 4 is 60 ℃, and the pressure is 0.2Mpa;
s3, preparing carbon-containing ammonia water:
spraying desalted water on the tower top of an ammonia tower 9, absorbing ammonia gas containing carbon dioxide, preparing industrial ammonia water with different concentrations by controlling the circulation amount at the tower bottom and the temperature of a cooler 8, and conveying the unabsorbed ammonia gas to subsequent rectification through the tower top to prepare liquid ammonia;
the cooling temperature of the materials in the ammonia tower 9 is 15 ℃, the concentration of industrial ammonia water is 28 percent, and the content of carbon dioxide in the ammonia tower 9 is 0.2 percent.
Example four:
as shown in fig. 1, an embodiment of the present invention provides a method for treating an ammonia-containing organic substance, including the following steps:
s1, carrying out primary gas-liquid separation on raw material gas
Conveying an organic matter mixture containing ammonia gas to a primary gas-liquid separation tank 3 through a primary compressor 1 for primary gas-liquid separation, conveying the obtained liquid-phase organic matter to subsequent procedures for separation, purification and recycling, and conveying a gas-phase product to a secondary gas-liquid separation tank 4 through a secondary compressor 2;
the organic matter mixture containing ammonia gas comprises the following raw materials in percentage by mass: 5% of propylene glycol, 1% of propylene carbonate, 5% of carbon dioxide and 89% of ammonia gas;
the pressure of the organic mixture containing ammonia gas is 1kpa, and the temperature is 40 ℃;
the temperature of the first-stage gas-liquid separation tank 3 is 70 ℃, and the pressure is 0.2Mpa;
s2, carrying out secondary gas-liquid separation on the raw material gas prepared in the step S1 in a secondary gas-liquid separation tank 4, conveying the obtained liquid-phase organic matter to a subsequent process for separation, purification and recycling, and conveying a gas-phase product into an ammonia tower 9;
the temperature of the second-stage gas-liquid separation tank 4 is 60 ℃, and the pressure is 0.3Mpa;
s3, preparing carbon-containing ammonia water:
spraying desalted water on the tower top of an ammonia water tower 9, absorbing ammonia gas containing carbon dioxide, preparing industrial ammonia water with different concentrations by controlling the circulation quantity at the tower bottom and the temperature of a cooler 8, and conveying unabsorbed ammonia gas to subsequent rectification through the tower top to prepare liquid ammonia;
the cooling temperature of the materials in the ammonia tower 9 is 20 ℃, the concentration of industrial ammonia water is 26.5 percent, and the content of carbon dioxide in the ammonia tower 9 is 2 percent.
Example five:
as shown in fig. 1, an embodiment of the present invention provides a method for treating an ammonia-containing organic substance, including the following steps:
s1, carrying out primary gas-liquid separation on raw material gas
Conveying an organic matter mixture containing ammonia gas to a primary gas-liquid separation tank 3 through a primary compressor 1 for primary gas-liquid separation, conveying the obtained liquid-phase organic matter to subsequent procedures for separation, purification and recycling, and conveying a gas-phase product to a secondary gas-liquid separation tank 4 through a secondary compressor 2;
the organic matter mixture containing ammonia gas comprises the following raw materials in percentage by mass: 7% of propylene glycol, 2.5% of propylene carbonate, 3.5% of carbon dioxide and 87% of ammonia gas;
the pressure of the organic mixture containing ammonia gas is 10kpa, and the temperature is 50 ℃;
the temperature of the first-stage gas-liquid separation tank 3 is 70 ℃, and the pressure is 0.2Mpa;
s2, carrying out secondary gas-liquid separation on the raw material gas prepared in the step S1 in a secondary gas-liquid separation tank 4, conveying the obtained liquid-phase organic matter to a subsequent process for separation, purification and recycling, and conveying a gas-phase product into an ammonia tower 9;
the temperature of the second-stage gas-liquid separation tank 4 is 60 ℃, and the pressure is 0.3Mpa;
s3, preparing carbon-containing ammonia water:
spraying desalted water on the tower top of an ammonia tower 9, absorbing ammonia gas containing carbon dioxide, preparing industrial ammonia water with different concentrations by controlling the circulation amount at the tower bottom and the temperature of a cooler 8, and conveying the unabsorbed ammonia gas to subsequent rectification through the tower top to prepare liquid ammonia;
the cooling temperature of the materials in the ammonia tower 9 is 20 ℃, the concentration of industrial ammonia water is 26 percent, and the content of carbon dioxide in the ammonia tower 9 is 0.8 percent.
Example six:
as shown in fig. 1, an embodiment of the present invention provides a method for treating an ammonia-containing organic substance, including the following steps:
s1, carrying out primary gas-liquid separation on raw material gas
Conveying an organic matter mixture containing ammonia gas to a primary gas-liquid separation tank 3 through a primary compressor 1 for primary gas-liquid separation, conveying the obtained liquid-phase organic matter to subsequent procedures for separation, purification and recycling, and conveying a gas-phase product to a secondary gas-liquid separation tank 4 through a secondary compressor 2;
the organic matter mixture containing ammonia gas comprises the following raw materials in percentage by mass: 6% of propylene glycol, 1% of propylene carbonate, 1% of carbon dioxide and 92% of ammonia gas;
the pressure of the organic mixture containing ammonia gas is 15kpa, and the temperature is 60 ℃;
the temperature of the first-stage gas-liquid separation tank 3 is 70 ℃, and the pressure is 0.2Mpa;
s2, carrying out secondary gas-liquid separation on the raw material gas prepared in the step S1 in a secondary gas-liquid separation tank 4, conveying the obtained liquid-phase organic matter to a subsequent process for separation, purification and recycling, and conveying a gas-phase product into an ammonia tower 9;
the temperature of the second-stage gas-liquid separation tank 4 is 60 ℃, and the pressure is 0.3Mpa;
s3, preparing carbon-containing ammonia water:
spraying desalted water on the tower top of an ammonia tower 9, absorbing ammonia gas containing carbon dioxide, preparing industrial ammonia water with different concentrations by controlling the circulation amount at the tower bottom and the temperature of a cooler 8, and conveying the unabsorbed ammonia gas to subsequent rectification through the tower top to prepare liquid ammonia;
the cooling temperature of the materials in the ammonia tower 9 is 20 ℃, the concentration of industrial ammonia water is 27 percent, and the content of carbon dioxide in the ammonia tower 9 is 0.5 percent.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A method for treating an ammonia-containing organic substance, comprising: the method comprises the following steps:
s1, carrying out primary gas-liquid separation on raw material gas
Conveying the organic matter mixture containing ammonia gas to a first-stage gas-liquid separation tank (3) through a first-stage compressor (1) for first-stage gas-liquid separation, conveying the obtained liquid-phase organic matter to subsequent procedures for separation, purification and recycling, and conveying the gas-phase product to a second-stage gas-liquid separation tank (4) through a second-stage compressor (2);
s2, carrying out secondary gas-liquid separation on the raw material gas prepared in the step S1 in a secondary gas-liquid separation tank (4), wherein the obtained liquid-phase organic matter is conveyed to a subsequent process for separation, purification and recycling, and the gas-phase product is conveyed to an ammonia tower (9);
s3, preparing carbon-containing ammonia water:
spraying desalted water on the top of an ammonia tower (9) to absorb ammonia gas containing carbon dioxide, preparing industrial ammonia water with different concentrations by controlling the circulation amount at the bottom of the tower and the temperature of a cooler (8), and conveying unabsorbed ammonia gas to subsequent rectification through the top of the tower to prepare liquid ammonia;
in the step S1, the organic matter mixture containing ammonia gas comprises the following raw materials in percentage by mass: 1 to 10 percent of dihydric alcohol, 0.05 to 5 percent of cyclic carbonate, 1 to 5 percent of carbon dioxide and 85 to 97.8 percent of ammonia gas.
2. The method according to claim 1, wherein the ammonia-containing organic material comprises: the pressure of the organic matter mixture containing ammonia gas is 1-30 kpa, and the temperature is 40-80 ℃.
3. The method according to claim 2, wherein: the dihydric alcohol is ethylene glycol or propylene glycol, and the cyclic carbonate is ethylene carbonate or propylene carbonate.
4. The method according to claim 1, wherein the method comprises: in the step S1, the temperature of the primary gas-liquid separation tank (3) is 70-80 ℃, and the pressure is 0.1-0.2 Mpa.
5. The method according to claim 1, wherein the ammonia-containing organic material comprises: in the step S2, the temperature of the secondary gas-liquid separation tank (4) is 60-70 ℃, and the pressure is 0.2-0.3 Mpa.
6. The method according to claim 1, wherein the ammonia-containing organic material comprises: in the step S3, the cooling temperature of the materials in the ammonia water tower (9) is 15-30 ℃, the concentration of the industrial ammonia water is 20-28%, and the content of carbon dioxide in the ammonia water tower (9) is 0.2-2%.
7. The utility model provides a processing apparatus who contains ammonia organic matter, includes one-level compressor (1), secondary compressor (2), one-level gas-liquid separation jar (3), second grade gas-liquid separation jar (4), one-level separation liquid pump (5), second grade separation liquid pump (6), tower cauldron pump (7), cooler (8) and aqueous ammonia tower (9), its characterized in that: the export of one-level compressor (1) links to each other through the top entry of pipeline with one-level gas-liquid separation jar (3), the bottom export of one-level gas-liquid separation jar (3) links to each other with one-level separation liquid pump (5) through the pipeline, the top export of one-level gas-liquid separation jar (3) passes through the pipeline and is the input with second grade compressor (2) and links to each other, the output of second grade compressor (2) passes through the pipeline and links to each other with the top entry of second grade gas-liquid separation jar (4), the bottom export of second grade gas-liquid separation jar (4) passes through the pipeline and links to each other with the bottom entry of aqueous ammonia tower (9), the bottom of aqueous ammonia tower (9) links to each other with cooler (8) through tower cauldron pump (7), the output of cooler (8) passes through the pipeline and links to each other with the entry of aqueous ammonia tower (9).
8. The apparatus according to claim 7, wherein: the inlet material A of the primary compressor (1) is an organic matter mixture containing ammonia and carbon dioxide, the output B of the primary separation liquid pump (5) is a mixture of dihydric alcohol and cyclic carbonate, the output C of the secondary separation liquid pump (6) is a mixture of dihydric alcohol and cyclic carbonate, the inlet material D of the ammonia water tower (9) is desalted water, the top output E of the ammonia water tower (9) is ammonia gas free of carbon dioxide, and the output F of the tower kettle pump (7) is industrial ammonia water containing carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211087742.3A CN115490244A (en) | 2022-09-07 | 2022-09-07 | Device and method for treating ammonia-containing organic matter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211087742.3A CN115490244A (en) | 2022-09-07 | 2022-09-07 | Device and method for treating ammonia-containing organic matter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115490244A true CN115490244A (en) | 2022-12-20 |
Family
ID=84469084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211087742.3A Pending CN115490244A (en) | 2022-09-07 | 2022-09-07 | Device and method for treating ammonia-containing organic matter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115490244A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002253927A (en) * | 2001-02-28 | 2002-09-10 | Nomura Micro Sci Co Ltd | Method, apparatus and system for treating ammonia- containing gas, and scrubbing apparatus |
| CN107827124A (en) * | 2017-12-08 | 2018-03-23 | 烟台国邦化工机械科技有限公司 | A kind of ammonia recovery system of mixture containing ammonia and process |
| CN108275700A (en) * | 2018-01-04 | 2018-07-13 | 中石化上海工程有限公司 | The recovery method of ammonia in high concentration ammonia-contaminated gas |
| CN110817900A (en) * | 2019-11-15 | 2020-02-21 | 山西中科惠安化工有限公司 | Device and method for separating ammonia gas containing carbon dioxide and organic matters |
| CN114368761A (en) * | 2022-03-23 | 2022-04-19 | 山东海科新源材料科技股份有限公司 | Combined preparation device and method for liquid ammonia and ammonia water |
-
2022
- 2022-09-07 CN CN202211087742.3A patent/CN115490244A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002253927A (en) * | 2001-02-28 | 2002-09-10 | Nomura Micro Sci Co Ltd | Method, apparatus and system for treating ammonia- containing gas, and scrubbing apparatus |
| CN107827124A (en) * | 2017-12-08 | 2018-03-23 | 烟台国邦化工机械科技有限公司 | A kind of ammonia recovery system of mixture containing ammonia and process |
| CN108275700A (en) * | 2018-01-04 | 2018-07-13 | 中石化上海工程有限公司 | The recovery method of ammonia in high concentration ammonia-contaminated gas |
| CN110817900A (en) * | 2019-11-15 | 2020-02-21 | 山西中科惠安化工有限公司 | Device and method for separating ammonia gas containing carbon dioxide and organic matters |
| CN114368761A (en) * | 2022-03-23 | 2022-04-19 | 山东海科新源材料科技股份有限公司 | Combined preparation device and method for liquid ammonia and ammonia water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111330412B (en) | System and process for absorbing and purifying byproduct hydrogen chloride gas in chlorination section into acid | |
| CN101898769B (en) | Method for producing high-purity ammonium bifluoride | |
| CN111302317A (en) | Continuous high-purity nitrous oxide production system and method | |
| CN101857246B (en) | Process method for co-producing ammonium bicarbonate by using coking plant waste | |
| CN101664627B (en) | Method and equipment for purifying tail gas generated in producing sodium cyanide by cracking light oil | |
| CN112028089B (en) | Production device and method of ammonium nitrate | |
| CN115490244A (en) | Device and method for treating ammonia-containing organic matter | |
| CN102115095A (en) | Production method of anhydrous ammonium hydrogen fluoride | |
| CN114368761B (en) | Combined preparation device and method for liquid ammonia and ammonia water | |
| CN110668401A (en) | Harmless disposal and resource utilization method of high-salt waste acid | |
| CN116177494A (en) | Hydrogen chloride oxidation method using supercritical separation method | |
| CN106219644B (en) | A kind of method that ammonia, water recycle and prepares ammonium hydroxide in polyetheramine production process | |
| CN109651072B (en) | Method for preparing chloroethane from hydrochloric acid containing sulfur dioxide | |
| CN105084328A (en) | Method for producing ammonium sulfamate by utilization of exhaust gas containing ammonia and carbon dioxide | |
| CN212024778U (en) | Continuous high-purity nitrous oxide production system | |
| CN108821315A (en) | The method and device of thermochemical cycles mineralising CO2 while decomposing H 2O H2 | |
| CN113860622A (en) | Reverse osmosis strong brine recycling system and method | |
| CN208265798U (en) | Taurine wastewater zero discharge processing unit | |
| CN102952115B (en) | Sulfurized isobutylene closed path preparation industrialization method | |
| CN110590509A (en) | Production method for carbon dioxide cyclic decomposition coking crude phenol coproduction desulfurizer | |
| CN107335318B (en) | Hydrogen chloride recycling system and method in industrial organic waste gas | |
| CN105174287A (en) | Method for recovering ammonia and coproducing calcium sulfate through lime neutralization of T acid mother liquid | |
| CN110963508B (en) | Device and process for preparing solid ammonium chloride from ammonia-containing waste gas | |
| CN108178169A (en) | A kind of production technology and its production equipment of coproduction of potassium sulfate melamine | |
| CN214881195U (en) | High-purity formic acid production and storage device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20221220 |
|
| RJ01 | Rejection of invention patent application after publication |