CN117323790B - Waste gas treatment process suitable for livestock and poultry farms - Google Patents
Waste gas treatment process suitable for livestock and poultry farms Download PDFInfo
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- CN117323790B CN117323790B CN202311564499.4A CN202311564499A CN117323790B CN 117323790 B CN117323790 B CN 117323790B CN 202311564499 A CN202311564499 A CN 202311564499A CN 117323790 B CN117323790 B CN 117323790B
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- ammonia
- gas
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- waste gas
- catcher
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- 239000002912 waste gas Substances 0.000 title claims abstract description 36
- 244000144972 livestock Species 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 22
- 244000144977 poultry Species 0.000 title claims description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 137
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000007789 gas Substances 0.000 claims abstract description 39
- 239000007791 liquid phase Substances 0.000 claims abstract description 20
- 239000002120 nanofilm Substances 0.000 claims abstract description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 8
- -1 ammonia ions Chemical class 0.000 claims abstract description 8
- 150000003863 ammonium salts Chemical class 0.000 claims abstract description 8
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims abstract description 7
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims abstract description 7
- 150000002500 ions Chemical class 0.000 claims abstract description 7
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 7
- 230000003044 adaptive effect Effects 0.000 claims abstract description 5
- 238000005507 spraying Methods 0.000 claims description 19
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims description 3
- 239000011941 photocatalyst Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000008399 tap water Substances 0.000 claims description 3
- 235000020679 tap water Nutrition 0.000 claims description 3
- 150000001450 anions Chemical class 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000282887 Suidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- B01D53/22—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 diffusion
- B01D53/228—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 diffusion characterised by specific membranes
-
- 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
- B01D53/30—Controlling by gas-analysis apparatus
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0266—Other waste gases from animal farms
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses a waste gas treatment process suitable for livestock farms, which comprises the following steps of: step one: the waste gas enters an ammonia catcher through a pipeline, and the equipment automatically recognizes and selects an adaptive molecular film and a gas channel according to the ammonia concentration in an air inlet source, and then enters a interception chamber to enter a liquid phase state; step two: the ammonia gas catcher separates ammonia gas in the waste gas source from other gases except the ammonia gas, the other gases except the ammonia gas enter the ion neutralization reactor, the ammonia gas enters the molecular enriching device, ammonia gas in liquid phase is ionized into NH4+ and OH-, ammonia ions and hydroxyl ions in liquid phase are mutually enriched, and an ionization equation is that The invention can effectively extract ammonia fully and effectively, the ammonia catcher can separate ammonia in the waste gas source from other gases except ammonia, and then water and ammonium salt can be produced by introducing hydrogen chloride into the water melter, and the ammonia is removed.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a waste gas treatment process suitable for livestock and poultry farms.
Background
The waste gas treatment of livestock and poultry farms is a great problem which puzzles the industry all the time, and compared with the waste gas treatment in the traditional industrial field, the waste gas amount generated by the livestock and poultry farms is huge, and the problems of high investment, large occupied area, difficult operation and maintenance and the like of waste gas treatment equipment are caused. For example, the waste gas of the farms with the medium or above scale takes a 5-ten thousand pig farms as an example, the average height of the pig house is valued for 6 meters, the ventilation times are valued for 8 times according to the design specification that 1-head fattening pigs occupy 2m 2, and the air quantity is as follows: 50000 x2 x 6 x 8 = 4800000m 3/h. The construction cost of the large-scale traditional waste gas treatment equipment is about 80% of the investment ratio of the whole livestock and poultry farm, and exceeds the reasonable ratio range, which is a great difficulty unavoidable by the general traditional process.
Therefore, the invention provides a waste gas treatment process suitable for livestock and poultry farms through the components and the characteristics of waste gas generated by the livestock and poultry farms.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
The present invention has been made in view of the above problems with the existing exhaust gas treatment processes for livestock farms.
Therefore, the invention aims to provide an exhaust gas treatment process suitable for livestock and poultry farms, which can effectively extract ammonia fully and effectively, an ammonia catcher can separate ammonia gas in an exhaust gas source from other gases except the ammonia gas, and then water and ammonium salt can be produced by introducing hydrogen chloride into a water melter to remove the ammonia gas.
In order to solve the technical problems, the invention provides the following technical scheme: an exhaust gas treatment process suitable for livestock farms comprises the following steps:
Step one: the waste gas enters an ammonia catcher through a pipeline, and the equipment automatically recognizes and selects an adaptive molecular film and a gas channel according to the ammonia concentration in an air inlet source, and then enters a interception chamber to enter a liquid phase state;
Step two: the ammonia gas catcher separates ammonia gas in the waste gas source and other gases except the ammonia gas, the other gases except the ammonia gas can enter the ion neutralization reactor, the ammonia gas can enter the molecular enriching device, ammonia gas in the liquid phase is ionized into NH4 & lt+ & gt and OH & lt- & gt, ammonia ions and hydroxyl ions in the liquid phase can be mutually enriched, and an ionization equation is NH 3.
Step three: after being treated by the molecular enriching device, the water is introduced into a water melter, a small amount of liquid-phase hydrogen chloride is added into the water melter, and the water can react with NH 4 + and OH - in the liquid phase to generate water and CO 2, wherein the reaction equation is as follows: 2hcl+2nh 3·H2O＝2H2O+2NH4 Cl, generates water and ammonium salt, and achieves the purpose of removing ammonia gas.
As a preferable scheme of the waste gas treatment process suitable for livestock farms, the invention comprises the following steps: the front end of the ammonia catcher is provided with an ammonia concentration meter, a temperature controller and an anemometer, and a molecular membrane selector and a molecular channel are also arranged in the ammonia catcher.
As a preferable scheme of the waste gas treatment process suitable for livestock farms, the invention comprises the following steps: the ammonia concentration meter, the temperature controller and the anemometer are connected into an electrical intelligent control system at the same time, and the control system can adjust the pore space of the molecular film, the diameter of the gas channel, the spraying water quantity and the temperature in time.
As a preferable scheme of the waste gas treatment process suitable for livestock farms, the invention comprises the following steps: the ammonia catcher is internally provided with spraying equipment, the spraying liquid of the spraying equipment is municipal tap water, the required water quality is alkaline, the hardness is moderate, and the spraying speed and the air inlet are 1:0.01.
As a preferable scheme of the waste gas treatment process suitable for livestock farms, the invention comprises the following steps: when the spraying equipment in the ammonia catcher sprays the gas, the gas residence time is 1-2S, so that the ammonia is effectively and fully extracted.
As a preferable scheme of the waste gas treatment process suitable for livestock farms, the invention comprises the following steps: and in the second step, other gases except the ammonia gas are introduced into the photocatalyst reactor for further treatment after being treated by the ion neutralization reactor, and the treated gases are discharged after meeting the discharge standard.
The invention has the beneficial effects that: firstly, enabling waste gas to enter an ammonia catcher through a pipeline, automatically identifying and selecting an adaptive molecular film and a gas channel by equipment according to the ammonia concentration in an air inlet source, and then entering a interception chamber to enter a liquid phase state; the equipment design gas residence time is 1-2S, can effectively carry out abundant effective extraction with ammonia, and ammonia trapper can separate ammonia and other gases except ammonia in the air supply, and hydrogen chloride is led into in the water melter again and can produce water and ammonium salt, gets rid of ammonia.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a schematic diagram of the process steps of the waste gas treatment process suitable for livestock farms.
Fig. 2 is a schematic structural diagram of a process flow of the waste gas treatment process applicable to livestock farms.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present invention in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Referring to fig. 1-2, there is provided a waste gas treatment process suitable for livestock farms, comprising the steps of:
Step one: the waste gas enters an ammonia catcher through a pipeline, and the equipment automatically recognizes and selects an adaptive molecular film and a gas channel according to the ammonia concentration in an air inlet source, and then enters a interception chamber to enter a liquid phase state;
Step two: the ammonia gas catcher separates ammonia gas in the waste gas source and other gases except the ammonia gas, the other gases except the ammonia gas can enter the ion neutralization reactor, the ammonia gas can enter the molecular enriching device, ammonia gas in the liquid phase is ionized into NH4 & lt+ & gt and OH & lt- & gt, ammonia ions and hydroxyl ions in the liquid phase can be mutually enriched, and an ionization equation is NH 3.
Step three: after being treated by the molecular enriching device, the water is introduced into a water melter, a small amount of liquid-phase hydrogen chloride is added into the water melter, and the water can react with NH 4 + and OH - in the liquid phase to generate water and CO 2, wherein the reaction equation is as follows: 2hcl+2nh 3·H2O＝2H2O+2NH4 Cl, generates water and ammonium salt, and achieves the purpose of removing ammonia gas.
The front end of the ammonia catcher is provided with an ammonia concentration meter, a temperature controller and an anemometer, and the three groups of sensors are simultaneously connected into an electric intelligent control system, and the control system can timely adjust the pore space of the molecular film, the diameter of the gas channel, the spraying water quantity and the temperature.
Furthermore, spraying equipment is further arranged in the ammonia gas catcher, spraying liquid of the spraying equipment is municipal tap water, the water quality is required to be alkaline, the hardness is moderate, the spraying speed and the air inlet are 1:0.01, when the spraying equipment sprays gas in the ammonia gas catcher, the gas residence time is 1-2S, and the ammonia gas is effectively and fully extracted
And in the second step, other gases except the ammonia gas are introduced into the photocatalyst reactor for further treatment after being treated by the ion neutralization reactor, and the treated gases are discharged after meeting the discharge standard.
The ammonia gas in the waste gas generated in livestock and poultry raising places has large storage quantity, and the ammonia gas is very soluble in water and shows weak alkalinity. When ammonia gas and water are mixed in a specific proportion, ammonia molecules are combined with water molecules to form ammonia monohydrate (NH3.H2O) under the action of an external environment and hydrogen bonds in the water, and the ammonia monohydrate (NH3.H2O) is ionized to form hydroxide radical (chemical formula: OH-1) which is an anion with a valence of-1 under the condition of external interference, and then the ammonia gas can be removed by only adding hydrogen chloride (HCl) into the mixed liquid to generate water (H2O) and ammonium salt (NH 4 Cl).
The invention firstly makes the waste gas enter the ammonia catcher through the pipeline, and the equipment automatically recognizes and selects the molecular film and the gas channel which are matched according to the ammonia concentration in the air inlet source, and then enters the interception chamber to enter the liquid phase state. The equipment design gas residence time is 1-2S, can effectively carry out abundant effective extraction with ammonia, and ammonia trapper can separate ammonia and other gases except ammonia in the air supply, and hydrogen chloride is led into in the water melter again and can produce water and ammonium salt, gets rid of ammonia.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (3)
1. The waste gas treatment method suitable for the livestock and poultry farm is characterized by comprising the following steps of:
Step one: the waste gas enters an ammonia catcher through a pipeline, and the equipment automatically recognizes and selects an adaptive molecular film and a gas channel according to the ammonia concentration in an air inlet source, and then enters a interception chamber to enter a liquid phase state;
Step two: the ammonia gas catcher separates ammonia gas in the waste gas source from other gases except the ammonia gas, the other gases except the ammonia gas enter the ion neutralization reactor, the ammonia gas enters the molecular enriching device, ammonia gas in liquid phase is ionized into NH4+ and OH-, ammonia ions and hydroxyl ions in liquid phase are mutually enriched, and an ionization equation is that ；
Step three: after being treated by the molecular enriching device, the water is introduced into a water melter, a small amount of liquid-phase hydrogen chloride is added into the water melter, and the water can react with NH 4 + and OH - in the liquid phase to generate water and CO 2, wherein the reaction equation is as follows: 2hcl+2nh 3•H2O=2H2O+2NH4 Cl to produce water and ammonium salts to remove ammonia;
the front end of the ammonia catcher is provided with an ammonia concentration meter, a temperature controller and an anemometer, and a molecular film selector and a molecular channel are also arranged in the ammonia catcher; the ammonia gas concentration meter, the temperature controller and the anemometer are connected into an electrical intelligent control system at the same time, and the control system can adjust the pore space of the molecular film, the diameter of the gas channel, the spraying water quantity and the temperature in time; the ammonia gas catcher is internally provided with spraying equipment, the spraying liquid of the spraying equipment is municipal tap water, the water quality is required to be alkaline, the hardness is moderate, the speed ratio of the spraying speed to the air inlet speed is 1:0.01, and hydroxide radical formed by ionization of ammonia monohydrate is an anion with valence of-1 under the condition of external interference.
2. The method for treating waste gas suitable for livestock farms according to claim 1, wherein: when spraying gas, the spraying equipment in the ammonia catcher has the gas residence time of 1-2S, so that the ammonia is effectively and fully extracted.
3. The method for treating waste gas suitable for livestock farms according to claim 1, wherein: and in the second step, other gases except the ammonia gas are introduced into the photocatalyst reactor for further treatment after being treated by the ion neutralization reactor, and the treated gases are discharged after meeting the discharge standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311564499.4A CN117323790B (en) | 2023-11-22 | 2023-11-22 | Waste gas treatment process suitable for livestock and poultry farms |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311564499.4A CN117323790B (en) | 2023-11-22 | 2023-11-22 | Waste gas treatment process suitable for livestock and poultry farms |
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| Publication Number | Publication Date |
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| CN117323790A CN117323790A (en) | 2024-01-02 |
| CN117323790B true CN117323790B (en) | 2024-04-26 |
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| CN202311564499.4A Active CN117323790B (en) | 2023-11-22 | 2023-11-22 | Waste gas treatment process suitable for livestock and poultry farms |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007098272A (en) * | 2005-10-04 | 2007-04-19 | Kobelco Eco-Solutions Co Ltd | Ammonia-containing water treatment method and apparatus |
| CN101516497A (en) * | 2006-08-23 | 2009-08-26 | 碳解决方案公司 | Acid-impregnated activated carbon and methods of forming and using the same |
| KR102273723B1 (en) * | 2020-01-13 | 2021-07-06 | 주식회사 태산이엠이 | Ammonia Treatment System for Wastewater Using Electrolysis |
| CN217868418U (en) * | 2022-06-13 | 2022-11-22 | 烟台金正环保科技有限公司 | Ammonia nitrogen wastewater treatment system |
-
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- 2023-11-22 CN CN202311564499.4A patent/CN117323790B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007098272A (en) * | 2005-10-04 | 2007-04-19 | Kobelco Eco-Solutions Co Ltd | Ammonia-containing water treatment method and apparatus |
| CN101516497A (en) * | 2006-08-23 | 2009-08-26 | 碳解决方案公司 | Acid-impregnated activated carbon and methods of forming and using the same |
| KR102273723B1 (en) * | 2020-01-13 | 2021-07-06 | 주식회사 태산이엠이 | Ammonia Treatment System for Wastewater Using Electrolysis |
| CN217868418U (en) * | 2022-06-13 | 2022-11-22 | 烟台金正环保科技有限公司 | Ammonia nitrogen wastewater treatment system |
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| CN117323790A (en) | 2024-01-02 |
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