CN112573724A - Equipment for removing sulfide in landfill leachate - Google Patents
Equipment for removing sulfide in landfill leachate Download PDFInfo
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- CN112573724A CN112573724A CN202110040505.0A CN202110040505A CN112573724A CN 112573724 A CN112573724 A CN 112573724A CN 202110040505 A CN202110040505 A CN 202110040505A CN 112573724 A CN112573724 A CN 112573724A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- 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
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/101—Sulfur compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
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Abstract
The invention relates to a removing device for sulfides in landfill leachate, which comprises a water production pipe, a flocculating agent dosing device, a PH adjusting device, a negative pressure spraying device, a hydrogen sulfide adsorption device and a filtering and separating device, wherein the removing device for sulfides in the landfill leachate converts sulfides in the leachate from an ionic state into a gaseous state by adding acid through the PH adjusting device, then increases the contact area of water and air by using a spraying mode of the negative pressure spraying device, improves the mass transfer rate through negative pressure degassing, enables gas in water to enter the air more quickly, realizes the process of separating the sulfides from the water, realizes the efficient removal of the sulfides in the leachate, ensures the long-term stable and reliable operation of the whole leachate treatment process and the device, and greatly reduces the operation cost.
Description
Technical Field
The invention relates to the technical field of sewage treatment equipment, in particular to equipment for removing sulfide in garbage leachate.
Background
Because China does not carry out strict garbage classification, the garbage leachate in China has complex components and more toxic and harmful substances and is extremely difficult to treat, and if the garbage leachate is directly discharged into the environment, serious environmental pollution can be caused. Wherein, various degradable sulfur-containing organic matters contained in the garbage can be decomposed into soluble sulfate under the action of microorganisms, and then the sulfate is degraded into sulfide by sulfate anaerobic bacteria as an electron acceptor.
The sulfide is a compound formed by metal ions and sulfur ions or hydrogen sulfide ions, and comprises nonmetallic sulfides such as hydrogen sulfide and ammonium sulfide and organic sulfides. The sulfide reacts with ferrous ions in water to corrode equipment, and is exposed to air in the form of hydrogen sulfide to cause biological poisoning, and if the sulfide in the leachate is not removed, the subsequent biochemical treatment process is influenced, so that the sulfide inhibits or poisons microorganisms.
In recent years, with further strengthening of national requirements for environmental protection, effective treatment of sulfide in leachate is urgent in order to ensure long-term, stable and reliable operation of the whole water treatment process and equipment.
Disclosure of Invention
In view of the above, there is a need to provide a reliable and stable apparatus for removing sulfide in landfill leachate.
An apparatus for removing sulfide in landfill leachate, comprising:
the water production pipe is used for conveying percolate;
the flocculant dosing device is communicated with the water production pipe to add a flocculant into the percolate so as to change the surface charge of the colloid in the percolate;
the PH adjusting device is used for communicating the water production pipe to add acid into the percolate treated by the flocculating agent so as to change the substance state of sulfide in the percolate;
the negative pressure spraying device is used for communicating the water production pipe, the leachate after the PH adjustment treatment flows through the negative pressure spraying device, the contact area of water and air is increased by spraying, and meanwhile, the mass transfer rate is increased by negative pressure degassing, so that gas in water can enter the air more quickly;
the hydrogen sulfide adsorption device is used for being communicated with the negative pressure spraying device, alkali liquor is filled in the hydrogen sulfide adsorption device, and the hydrogen sulfide obtained through negative pressure degassing is absorbed by the alkali liquor so as to be recycled subsequently;
and the filtering and separating device is used for communicating the negative pressure spray tower device, and the leachate after negative pressure degassing is filtered by the filtering and separating device to separate colloid and crystal substances precipitated in the leachate.
In one embodiment, the negative pressure spraying device comprises a percolate water supply pump, a water tank, a negative pressure spraying tower, a spraying circulating pump and a negative pressure fan, wherein the percolate water supply pump is communicated with the water production pipe, the water production pipe is communicated with the water tank, the water tank is communicated with the negative pressure spraying tower, the spraying circulating pump pumps water from the water tank into the negative pressure spraying tower, and the negative pressure fan is communicated with the negative pressure spraying tower.
In one embodiment, the amount of water in the spray circulation pump is 2-5 times the amount of water that can be treated.
In one embodiment, the pressure in the negative pressure spray tower is controlled within the range of-0.02 MPa to-0.1 MPa, and the air volume in the negative pressure spray tower is more than 100m3Per ton of water.
In one embodiment, the hydraulic retention time in the subatmospheric pressure spray tower is less than 20 minutes.
In one embodiment, the water tank comprises a tank body, a partition plate, a water production inlet pipe, a circulating pump inlet pipe, a drain pipe and an overflow pipe, wherein the partition plate is vertically installed in the tank body, the water production inlet pipe and the circulating pump inlet pipe are arranged on one side of the tank body, the circulating pump inlet pipe is arranged below the water production inlet pipe, the drain pipe and the overflow pipe are arranged on the other side of the tank body, and the overflow pipe is arranged above the drain pipe.
In one embodiment, the hydrogen sulfide adsorption device comprises a hydrogen sulfide adsorption tower and an adsorption circulating pump, and the hydrogen sulfide adsorption tower is communicated with the negative pressure spray tower.
In one embodiment, the filtering and separating device comprises a drainage pump, a bag filter communicated with the drainage pump and a core filter communicated with the bag filter, wherein the drainage pump is communicated with the water tank.
In one embodiment, the negative pressure spray tower comprises a shell, an air inlet pipe, a spray filler supporting layer, an air guiding pipe, a spray pipe, a demisting filler supporting layer and a window, wherein the water tank is communicated with the bottom of the shell, the air inlet pipe is communicated with one end, close to the water tank, of the shell, the spray filler supporting layer is installed above the air inlet pipe, the air guiding pipe is communicated with one end, far away from the air inlet pipe, of the shell, the negative pressure fan is communicated with the air guiding pipe, the spray pipe is horizontally installed at one end, close to the air guiding pipe, of the shell, the demisting filler supporting layer is installed above the spray pipe, and the window is installed on the side wall of the shell.
In one embodiment, the shower pipe is a single layer or a plurality of layers.
Compared with the prior art, the invention has the following beneficial effects:
according to the equipment for removing the sulfides in the landfill leachate, the sulfides in the leachate are converted into a gaseous state from an ionic state by adding acid through the PH adjusting device, the contact area between water and air is increased by using a spraying mode of the negative pressure spraying device, and meanwhile, the mass transfer rate is increased through negative pressure degassing, so that the gas in the water enters the air more quickly, the process of separating the sulfides from the water is realized, the sulfides in the leachate are removed efficiently, the long-term stable and reliable operation of the whole leachate treatment process and equipment is ensured, and the operation cost is greatly reduced.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for removing sulfides in landfill leachate according to a preferred embodiment of the present invention;
FIG. 2 is a schematic perspective view of a negative pressure spraying device in the apparatus for removing sulfides in landfill leachate shown in FIG. 1;
FIG. 3 is an exploded view of the negative pressure spray device shown in FIG. 2;
fig. 4 is a schematic view of the working process of the sulfide removing equipment in landfill leachate shown in fig. 1.
Reference is made to the accompanying drawings in which:
the sulfide removing equipment 100 for the landfill leachate;
a water production pipe 10, a flocculating agent dosing device 20 and a pH adjusting device 30;
the negative pressure spraying device 40, the water tank 41, the box body 411, the produced water inlet pipe 412, the circulating pump inlet pipe 413, the drain pipe 414, the overflow pipe 415, the negative pressure spraying tower 42, the shell 421, the air inlet pipe 422, the spraying filler supporting layer 423, the air guide pipe 424, the spraying pipe 425, the demisting filler supporting layer 426, the window 427, the spraying circulating pump 43 and the negative pressure fan 44;
a hydrogen sulfide adsorption device 50, a hydrogen sulfide adsorption tower 51, an adsorption circulation pump 52, a filtration and separation device 60, a drainage pump 61, a bag filter 62 and a core filter 63.
Detailed Description
In order that the invention may be more fully understood, reference will now be made to the following description. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When the number of an element is referred to as "a plurality," it can be any number of two or more. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, a sulfide removing apparatus 100 for landfill leachate according to a preferred embodiment of the present invention includes a water production pipe 10, a flocculant adding device 20, a PH adjusting device 30, a negative pressure spraying device 40, a hydrogen sulfide adsorbing device 50, and a filtering and separating device 60, the sulfide removing apparatus 100 for landfill leachate of the present invention adds acid through the PH adjusting device 30 to convert sulfide in the leachate from an ionic state to a gaseous state, and then increases a contact area between water and air by spraying through the negative pressure spraying device 40, meanwhile, the mass transfer rate is improved through negative pressure degassing, so that gas in water can enter air more quickly, the process of separating sulfide from water is realized, the sulfide in the leachate is removed efficiently, the long-term stable and reliable operation of the whole leachate treatment process and equipment is ensured, and the operation cost is greatly reduced.
As shown in fig. 1, in the present embodiment, a water production pipe 10 is used for conveying leachate; the flocculant dosing device 20 is communicated with the water production pipe 10 to add a flocculant into the percolate so as to change the surface charge of colloid in the percolate; the PH adjusting device 30 is used for communicating the water production pipe 10 to add acid into the leachate treated by the flocculating agent so as to change the substance state of sulfide in the leachate; alternatively, the pH is controlled at 6.0.
Referring to fig. 2 and 3, the negative pressure spraying device 40 is used to communicate with the water production pipe 10, and the leachate after PH adjustment flows through the negative pressure spraying device 40, so as to increase the contact area between water and air by spraying, and increase the mass transfer rate by negative pressure degassing, so that the gas in water can enter the air more quickly; optionally, the negative pressure spraying device 40 includes a percolate water supply pump (not shown), a water tank 41, a negative pressure spraying tower 42, a spraying circulation pump 43 and a negative pressure fan 44, the percolate water supply pump is communicated with the water production pipe 10, the water production pipe 10 is communicated with the water tank 41, the percolate water supply pump is used for supplying water to the water tank 41, the water tank 41 is communicated with the negative pressure spraying tower 42, the spraying circulation pump 43 pumps water from the water tank 41 to the negative pressure spraying tower 42, the negative pressure fan 44 is communicated with the negative pressure spraying tower 42, and the negative pressure fan 44 is manually controlled to be started or stopped by a frequency converter and is not controlled.
Further, the water tank 41 includes a tank 411, a partition (not shown), a produced water inlet pipe 412, a circulating pump inlet pipe 413, a drain pipe 414, and an overflow pipe 415, the partition is vertically installed in the tank 411 to divide the tank 411 into an inlet chamber and an outlet chamber, the produced water inlet pipe 412 and the circulating pump inlet pipe 413 are disposed at one side of the inlet chamber of the tank 411, the circulating pump inlet pipe 413 is disposed below the produced water inlet pipe 412, the drain pipe 414 and the overflow pipe 415 are disposed at one side of the outlet chamber of the tank 411, and the overflow pipe 415 is disposed above the drain pipe 414; the water production inlet pipe 412 is communicated with the water production pipe 10, and the circulating pump inlet pipe 413 is communicated with the spraying circulating pump 43.
In one embodiment, the negative pressure spray tower 42 comprises a housing 421, an air inlet pipe 422, a spray packing support layer 423, an air guiding pipe 424, a spray pipe 425, a defogging packing support layer 426 and a window 427, wherein the water tank 41 is communicated with the bottom of the housing 421, the air inlet pipe 422 is communicated with one end of the housing 421 close to the water tank 41, the spray packing support layer 423 is arranged above the air inlet pipe 422, the air guiding pipe 424 is communicated with one end of the housing 421 far away from the air inlet pipe 422, the negative pressure fan 44 is communicated with the air guiding pipe 424, the spray pipe 425 is horizontally arranged at one end of the housing 421 close to the air guiding pipe 424, the spray pipe 425 is communicated with the spray circulating pump 43, the defogging packing support layer 426 is arranged above the spray pipe 425, and; optionally, the viewing window 427 is multipleThe viewing windows 427 are axially spaced along the housing 421, and the shower pipes 425 may be single-layered or multi-layered. In order to ensure the degassing effect, the pressure in the negative pressure spray tower 42 is controlled within the range of-0.02 MPa to-0.1 MPa, and the air volume in the negative pressure spray tower 42 is more than 100m3Water/ton, the hydraulic retention time in the negative pressure spray tower is less than 20 minutes, and the water amount of the spray circulating pump 43 is 2-5 times of the treatable water amount.
In one embodiment, the hydrogen sulfide adsorption device 50 is used for being communicated with the negative pressure spraying device 40, alkali liquor is contained in the hydrogen sulfide adsorption device 50, and the hydrogen sulfide obtained through negative pressure degassing is absorbed by the alkali liquor so as to be recycled later; optionally, the hydrogen sulfide adsorption device 50 comprises a hydrogen sulfide adsorption tower 51 and an adsorption circulation pump 52, the hydrogen sulfide adsorption tower 51 is communicated with the negative pressure fan 44, the gas degassed by the negative pressure spray tower 42 flows into the hydrogen sulfide adsorption tower 51, and the air absorbed by the alkali liquor in the hydrogen sulfide adsorption device 50 is discharged; furthermore, a low level controller is installed in the water outlet cavity of the water tank 41 to control the start and stop of the drainage pump 61. The filtering and separating device 60 is used for communicating the negative pressure spraying device 40, and the leachate after negative pressure degassing is filtered by the filtering and separating device 60 to separate colloid and crystal substances precipitated in the leachate; alternatively, the filtering and separating device 60 includes a drain pump 61, a bag filter 62 communicating with the drain pump 61, and a core filter 63 communicating with the bag filter 62, wherein the drain pump 61 communicates with a drain pipe 414 of the water tank 41.
When the system is used, the first-stage RO produced water is directly conveyed through the water producing pipe 10, treated by the flocculating agent dosing device 20 and the PH adjusting device 30 and conveyed to the water inlet cavity of the water tank 41, and the PH is controlled at 6.0 at the moment; then, the shower circulation pump 43 pumps water from the water tank 41 to the shower pipe 425, and the amount of water is controlled to be 40m3About/h, the spraying circulating pump 43 is manually controlled to start and stop, and the spraying circulating pump always runs under normal conditions; the hydrogen sulfide obtained by negative pressure degassing of the negative pressure spray tower 42 flows through the hydrogen sulfide adsorption tower 51 and is absorbed by alkali liquor, and the leachate is collected to a water outlet cavity of the water tank 41 after being degassed in the negative pressure spray tower 42, is discharged through the drainage pump 61, is finally treated by the bag filter 62 and the core filter 63 and is discharged to a second/third-level water inlet tank or an aeration tank. When the sulfide concentration in the landfill leachate reaches more than 20 mg/L, the sulfide removal rate of the equipment 100 reaches 90%.
According to the removing equipment 100 for the sulfide in the landfill leachate, acid is added through the PH adjusting device 30 to convert the sulfide in the leachate from an ionic state into a gaseous state, the contact area of water and air is increased by using a spraying mode of the negative pressure spraying device 40, and meanwhile, the mass transfer rate is increased through negative pressure degassing, so that gas in water enters the air more quickly, the process of separating the sulfide from the water is realized, the sulfide in the leachate is removed efficiently, the long-term stable and reliable operation of the whole leachate treatment process and equipment is ensured, and the operation cost is greatly reduced.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides an equipment for removing sulphide in landfill leachate which characterized in that includes:
the water production pipe is used for conveying percolate;
the flocculant dosing device is communicated with the water production pipe to add a flocculant into the percolate so as to change the surface charge of the colloid in the percolate;
the PH adjusting device is used for communicating the water production pipe to add acid into the percolate treated by the flocculating agent so as to change the substance state of sulfide in the percolate;
the negative pressure spraying device is used for communicating the water production pipe, the leachate after the PH adjustment treatment flows through the negative pressure spraying device, the contact area of water and air is increased by spraying, and meanwhile, the mass transfer rate is increased by negative pressure degassing, so that gas in water can enter the air more quickly;
the hydrogen sulfide adsorption device is used for being communicated with the negative pressure spraying device, alkali liquor is filled in the hydrogen sulfide adsorption device, and the hydrogen sulfide obtained through negative pressure degassing is absorbed by the alkali liquor so as to be recycled subsequently;
and the filtering and separating device is used for communicating the negative pressure spray tower device, and the leachate after negative pressure degassing is filtered by the filtering and separating device to separate colloid and crystal substances precipitated in the leachate.
2. The apparatus for removing sulfides in landfill leachate according to claim 1, wherein the negative pressure spraying device comprises a leachate supply pump, a water tank, a negative pressure spraying tower, a spraying circulation pump and a negative pressure blower, the leachate supply pump is connected to the water production pipe, the water production pipe is connected to the water tank, the water tank is connected to the negative pressure spraying tower, the spraying circulation pump pumps water from the water tank into the negative pressure spraying tower, and the negative pressure blower is connected to the negative pressure spraying tower.
3. The apparatus for removing sulfides in landfill leachate according to claim 2, wherein the amount of water of the spraying circulation pump is 2-5 times of the treatable amount of water.
4. The apparatus for removing sulfide in landfill leachate according to claim 2, wherein the pressure in the negative pressure spray tower is controlled within the range of-0.02 MPa to-0.1 MPa, and the air volume in the negative pressure spray tower is greater than 100m3Per ton of water.
5. The apparatus for removing sulfide in landfill leachate according to claim 2, wherein the hydraulic retention time in the negative pressure spray tower is less than 20 minutes.
6. The apparatus for removing sulfides in landfill leachate according to claim 2, wherein the water tank comprises a tank body, a partition plate, a water production inlet pipe, a circulating pump inlet pipe, a drain pipe and an overflow pipe, the partition plate is vertically installed in the tank body, the water production inlet pipe and the circulating pump inlet pipe are disposed on one side of the tank body, the circulating pump inlet pipe is disposed below the water production inlet pipe, the drain pipe and the overflow pipe are disposed on the other side of the tank body, and the overflow pipe is disposed above the drain pipe.
7. The apparatus for removing sulfide in landfill leachate according to claim 2, wherein the hydrogen sulfide adsorption unit comprises a hydrogen sulfide adsorption tower and an adsorption circulation pump, and the hydrogen sulfide adsorption tower is communicated with the negative pressure spray tower.
8. The apparatus as claimed in claim 2, wherein the filtering and separating device comprises a draining pump, a bag filter connected to the draining pump, and a core filter connected to the bag filter, the draining pump is connected to the water tank.
9. The apparatus as claimed in claim 2, wherein the negative pressure spray tower comprises a housing, an air inlet pipe, a spray filler support layer, an air inducing pipe, a spray pipe, a defogging filler support layer, and a viewing window, the water tank is connected to the bottom of the housing, the air inlet pipe is connected to one end of the housing close to the water tank, the spray filler support layer is installed above the air inlet pipe, the air inducing pipe is connected to one end of the housing far from the air inlet pipe, the negative pressure fan is connected to the air inducing pipe, the spray pipe is horizontally installed at one end of the housing close to the air inducing pipe, the defogging filler support layer is installed above the spray pipe, and the viewing window is installed on a side wall of the housing.
10. The apparatus for removing sulfide in landfill leachate according to claim 9, wherein the spraying pipe is single-layered or multi-layered.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110040505.0A CN112573724A (en) | 2021-01-13 | 2021-01-13 | Equipment for removing sulfide in landfill leachate |
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| CN202110040505.0A CN112573724A (en) | 2021-01-13 | 2021-01-13 | Equipment for removing sulfide in landfill leachate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117247198A (en) * | 2023-11-10 | 2023-12-19 | 广州市迈源科技有限公司 | System and method for treating landfill leachate and removing scaling substances of evaporation heat exchanger |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101155134B1 (en) * | 2012-03-02 | 2012-06-12 | 하나이엔씨(주) | apparatus and method for removing hydrogen sulfide of underwater |
| CN104261501A (en) * | 2014-09-23 | 2015-01-07 | 陕西华陆化工环保有限公司 | Ammonia nitrogen stripping method of municipal waste leachate |
| US20160023927A1 (en) * | 2014-07-23 | 2016-01-28 | Ecolab Usa Inc. | Hydrogen sulfide abatement in geothermal facilities |
| CN106430388A (en) * | 2016-08-24 | 2017-02-22 | 四川恒成钾盐化工有限公司 | Technology for removing and recovering hydrogen sulfide in brine |
| CN106512693A (en) * | 2016-12-22 | 2017-03-22 | 贵阳铝镁设计研究院有限公司 | Desulfurizer forced flow mixing device capable of efficient desulfurization and flue gas wet purification |
| CN209210569U (en) * | 2018-12-10 | 2019-08-06 | 北京合众清源环境科技有限公司 | The zero-discharge treatment system of landfill leachate |
| WO2019191463A1 (en) * | 2018-03-28 | 2019-10-03 | Heartland Water Technology, Inc. | Apparatus and method for treating hydrogen sulfide and ammonia in wastewater streams |
| CN110304779A (en) * | 2019-07-19 | 2019-10-08 | 中节能工程技术研究院有限公司 | Materialization deamination method and treatment system for anaerobic effluent of landfill leachate |
| US20190352195A1 (en) * | 2017-01-05 | 2019-11-21 | Muddy River Technologies Inc. | System and Process for Treating Water |
| CN110642480A (en) * | 2019-11-01 | 2020-01-03 | 广东威特雅环境科技有限公司 | Method and system for treating landfill leachate |
| CN111068506A (en) * | 2019-12-27 | 2020-04-28 | 湖南军信环保股份有限公司 | Landfill leachate equalizing basin deodorization system |
| CN211004886U (en) * | 2019-10-31 | 2020-07-14 | 深圳恒通源环保科技有限公司 | Landfill leachate treatment system |
| CN211226612U (en) * | 2019-11-26 | 2020-08-11 | 烟台金正环保科技有限公司 | Integrated treatment device for removing hydrogen sulfide in landfill leachate |
-
2021
- 2021-01-13 CN CN202110040505.0A patent/CN112573724A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101155134B1 (en) * | 2012-03-02 | 2012-06-12 | 하나이엔씨(주) | apparatus and method for removing hydrogen sulfide of underwater |
| US20160023927A1 (en) * | 2014-07-23 | 2016-01-28 | Ecolab Usa Inc. | Hydrogen sulfide abatement in geothermal facilities |
| CN104261501A (en) * | 2014-09-23 | 2015-01-07 | 陕西华陆化工环保有限公司 | Ammonia nitrogen stripping method of municipal waste leachate |
| CN106430388A (en) * | 2016-08-24 | 2017-02-22 | 四川恒成钾盐化工有限公司 | Technology for removing and recovering hydrogen sulfide in brine |
| CN106512693A (en) * | 2016-12-22 | 2017-03-22 | 贵阳铝镁设计研究院有限公司 | Desulfurizer forced flow mixing device capable of efficient desulfurization and flue gas wet purification |
| US20190352195A1 (en) * | 2017-01-05 | 2019-11-21 | Muddy River Technologies Inc. | System and Process for Treating Water |
| WO2019191463A1 (en) * | 2018-03-28 | 2019-10-03 | Heartland Water Technology, Inc. | Apparatus and method for treating hydrogen sulfide and ammonia in wastewater streams |
| CN209210569U (en) * | 2018-12-10 | 2019-08-06 | 北京合众清源环境科技有限公司 | The zero-discharge treatment system of landfill leachate |
| CN110304779A (en) * | 2019-07-19 | 2019-10-08 | 中节能工程技术研究院有限公司 | Materialization deamination method and treatment system for anaerobic effluent of landfill leachate |
| CN211004886U (en) * | 2019-10-31 | 2020-07-14 | 深圳恒通源环保科技有限公司 | Landfill leachate treatment system |
| CN110642480A (en) * | 2019-11-01 | 2020-01-03 | 广东威特雅环境科技有限公司 | Method and system for treating landfill leachate |
| CN211226612U (en) * | 2019-11-26 | 2020-08-11 | 烟台金正环保科技有限公司 | Integrated treatment device for removing hydrogen sulfide in landfill leachate |
| CN111068506A (en) * | 2019-12-27 | 2020-04-28 | 湖南军信环保股份有限公司 | Landfill leachate equalizing basin deodorization system |
Non-Patent Citations (2)
| Title |
|---|
| 苏仕军: "垃圾渗沥液—烟气脱硫体系气液吸收与解吸过程研究", 《中国优秀博硕士学位论文全文数据库(博士)工程科技Ⅰ辑》 * |
| 陆美娟等: "《化工原理 下册》", 31 March 1996, 化学工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117247198A (en) * | 2023-11-10 | 2023-12-19 | 广州市迈源科技有限公司 | System and method for treating landfill leachate and removing scaling substances of evaporation heat exchanger |
| CN117247198B (en) * | 2023-11-10 | 2024-03-08 | 广州市迈源科技有限公司 | System and method for treating landfill leachate and removing scaling substances of evaporation heat exchanger |
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