CN104211238A - Device for treating high-concentration ammonia nitrogen in landfill leachate by virtue of surfactant catalyst - Google Patents
Device for treating high-concentration ammonia nitrogen in landfill leachate by virtue of surfactant catalyst Download PDFInfo
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- CN104211238A CN104211238A CN201410424798.2A CN201410424798A CN104211238A CN 104211238 A CN104211238 A CN 104211238A CN 201410424798 A CN201410424798 A CN 201410424798A CN 104211238 A CN104211238 A CN 104211238A
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- denitrification column
- ammonia nitrogen
- surfactant
- concentration ammonia
- ammonia
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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Abstract
The invention relates to a device for treating high-concentration ammonia nitrogen in a landfill leachate by virtue of a surfactant catalyst, and belongs to the field of sewage treatment. The device is composed of a primary denitrification tower (1), a secondary denitrification tower (2), an ammonia reduction tower (3), a pipeline mixer (4), a spray head (5), a blower (6), an induced draft fan (7), a gas conveying pipe (8), a gas distributing pipe (9), a water outlet (10), a guide pipe (11), an exhaust outlet (12), an ultrasonic device (13), a metal baffle plate (14), a denitrification channel (15) and a vent (16), wherein the pipeline mixer ensures that the mixing is rapidly and efficiently carried out, and has a simple structure and a small and exquisite volume and realizes energy consumption conservation. Thus, by utilizing the device, the production cost is saved, and practicability is high. As a result, compared with the fact that the removal rate of the ammonia nitrogen from wastewater is 70.4% in the prior art, the removal rate of the ammonia nitrogen from the wastewater by virtue of the device provided by the invention is improved to more than 99.8%, and the secondary pollution is avoided.
Description
Technical field
The invention discloses Surfactant-Catalyzed agent treating refuse percolate middle and high concentration ammonia nitrogen device, belong to sewage treatment area.
Background technology
Percolate refers to that rubbish is in landfill stacking process, due to anaerobically fermenting, organic substance decomposing, precipitation leaching and wash away, the reason such as the immersion of surface water and groundwater, produce many kinds of metabolic substds and moisture, define the liquid containing high concentration suspended matter and high density organic or inorganic composition, the main source of percolate is: 1, natural precipitation in landfill yard, 2, rubbish itself is moisture, and 3, microbiological anaerobic water of decomposition.The moiety more complicated of percolate, according to the difference of landfill time, the content of the various material of percolate also has larger difference.The water quality of percolate is very complicated.Not only containing oxygen consumption organic pollutant, also containing each metalloid and nutrient for plants, in industrial refuse percolate, also poisonous and hazardous pollutent can be contained.The biological treatment of percolate routine is difficult to qualified discharge.
At present, the method utilizing catalyst effect to make high-concentration ammonia nitrogen in waste water change into nitrogen becomes possibility, such as: Lee fish, the one that Zhang Rong etc. describe in document " ammonia nitrogen in Co_Bi catalyst wet oxidation degraded percolate " processes high-concentration ammonia nitrogenous wastewater with Co/Bi catalyzer, ammonia is converted into nitrogen discharge, but need high temperature 125 ~ 320 DEG C, just katalysis is played under high pressure 0.5 ~ 2.0MPa condition, this certainly will cause the huge consumption of the energy, the processing costs brought thus is too expensive, cannot run in reality generates.Traditional ammonia still process method take water vapour as stripping medium, but need strong basicity environment simultaneously, and the ammonia nitrogen in waste water drains in air with the form of NH3, easily cause secondary pollution risk, in order to eliminate the secondary pollution brought environment, people generally adopt H2O or dilute sulphuric acid to absorb ammonia, but this product utilizing absorption treatment process to obtain is impure, and concentration is too low, there is no marketable value, remain a kind of waste water also existed with ammonia nitrogen in high density.
Summary of the invention
The NH_3-N treating rate that the object of the invention is to exist for prior art scheme is low, the problems such as running cost is high, provide Surfactant-Catalyzed agent treating refuse percolate middle and high concentration ammonia nitrogen device, solve in prior art and pollute greatly, process is complicated, the problem that ammonia nitrogen removal frank is low.
In order to achieve the above object, concrete technical scheme of the present invention is: Surfactant-Catalyzed agent treating refuse percolate middle and high concentration ammonia nitrogen device is by one-level denitrification column (1), secondary denitrification column (2), ammonia reduction tower (3), line mixer (4), shower nozzle (5), gas blower (6), induced draft fan (7), pneumatic tube (8), gas distribution pipe (9), water outlet (10), conduit (11), venting port (12), Vltrasonic device (13), metal partion (metp) (14), denitrogenation passage (15) and ventage (16) are formed.One-level denitrification column (1) is connected with pneumatic tube (8) with secondary denitrification column (2), it is inner that Vltrasonic device (13) is arranged on one-level denitrification column (1), one-level denitrification column (1) is connected with gas blower (6), through gas distribution pipe (9) to one-level denitrification column (1) aeration.
Add 10ppm tensio-active agent in described line mixer (4) to mix with percolate, flow through shower nozzle (5) and be sprayed onto in one-level denitrification column (1); The main component of described tensio-active agent is fatty alcohol-ether sodium sulfate.
Heavy metal catalyst placed by described metal partion (metp) (14), and heavy metal catalyst is copper, rhodium alloy, and its mass ratio respectively accounts for half, and (14) are distributed with tiny pore with metal partion (metp).
Principle of work of the present invention is: first percolate is sprayed onto in one-level denitrification column (1) by shower nozzle (5) with adding after 10 ppm tensio-active agents mix in line mixer (4), one-level denitrification column (1) is connected with gas blower (6), by gas distribution pipe (9) to aeration in tower, Vltrasonic device accelerates denitrification reaction, isolated ammonia leads to pneumatic tube (8) via induced draft fan effect and passes into ammonia reduction tower (3), primary wastewater flows in secondary denitrification column (2) by conduit (11), be connected with gas blower (6) in secondary denitrification column (2), gas blower (6) is constantly ventilated in tower, final be separated ammonia through pneumatic tube (8) pass into ammonia reduction tower (3), waste water discharges from water outlet (10), after heavy metal reductive agent after ammonia enters ammonia reduction tower (3) on metal partion (metp) reacts, ammonia is reduced into nitrogen and directly discharges from venting port (12).Heavy metal catalyst is copper, rhodium alloy, and its mass ratio respectively accounts for half, and heavy metal catalyst more efficiently makes the waste water deammoniation nitrogen rate in process rise to more than 99.8% from 70.4% in the past.
Significant advantage of the present invention is:
(1) the present invention's line mixer used has rapidly and efficiently mixing, structure is simple, the feature such as energy efficient, compact.
(2) this device saves production cost, and practicality is powerful, can not produce secondary pollution and alleviate burden to environment.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention
Wherein:
1-one-level denitrification column, 2-secondary denitrification column, 3-ammonia reduction tower, 4-line mixer, 5-shower nozzle, 6-gas blower, 7-induced draft fan, 8-pneumatic tube, 9-gas distribution pipe, 10-water outlet, 11-conduit, 12-venting port, 13-Vltrasonic device, 14-metal partion (metp), 15-denitrogenation passage, 16-ventage.
Embodiment
Below in conjunction with drawings and Examples, technical solution of the present invention is further illustrated.
As shown in Figure 1, the invention provides Surfactant-Catalyzed agent treating refuse percolate middle and high concentration ammonia nitrogen device, by one-level denitrification column (1), secondary denitrification column (2), ammonia reduction tower (3), line mixer (4), shower nozzle (5), gas blower (6), induced draft fan (7), pneumatic tube (8), gas distribution pipe (9), water outlet (10), conduit (11), venting port (12), Vltrasonic device (13), metal partion (metp) (14), denitrogenation passage (15) and ventage (16) are formed, one-level denitrification column (1) is connected with pneumatic tube (8) with secondary denitrification column (2), it is inner that Vltrasonic device (13) is arranged on one-level denitrification column (1), one-level denitrification column (1) is connected with gas blower (6), through gas distribution pipe (9) to one-level denitrification column (1) aeration, add 10ppm tensio-active agent in described line mixer (4) to mix with percolate, flow through shower nozzle (5) and be sprayed onto in one-level denitrification column (1), the main component of described tensio-active agent is fatty alcohol-ether sodium sulfate, heavy metal catalyst placed by described metal partion (metp) (14), and heavy metal catalyst is copper, rhodium alloy, and its mass ratio respectively accounts for half, and (14) are distributed with tiny pore with metal partion (metp).
When a kind of Surfactant-Catalyzed agent of the present invention treating refuse percolate middle and high concentration ammonia nitrogen device uses, first percolate is sprayed onto in one-level denitrification column (1) by shower nozzle (5) with adding after 10ppm tensio-active agent mixes in line mixer (4), one-level denitrification column (1) is connected with gas blower (6), by gas distribution pipe (9) to aeration in tower, Vltrasonic device accelerates denitrification reaction, isolated ammonia leads to pneumatic tube (8) via induced draft fan effect and passes into ammonia reduction tower (3), primary wastewater flows in secondary denitrification column (2) by conduit (11), be connected with gas blower (6) in secondary denitrification column (2), gas blower (6) is constantly ventilated in tower, final be separated ammonia through pneumatic tube (8) pass into ammonia reduction tower (3), waste water discharges from water outlet (10), after heavy metal reductive agent after ammonia enters ammonia reduction tower (3) on metal partion (metp) reacts, ammonia is reduced into nitrogen and directly discharges from venting port (12).Heavy metal catalyst is copper, rhodium alloy, and its mass ratio respectively accounts for half, and heavy metal catalyst more efficiently makes the waste water deammoniation nitrogen rate in process rise to more than 99.8% from 70.4% in the past.
Above-described the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; under the prerequisite not departing from structure of the present invention; some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the present invention and practical applicability.
Claims (3)
1. Surfactant-Catalyzed agent treating refuse percolate middle and high concentration ammonia nitrogen device, it is characterized in that: this device is by one-level denitrification column (1), secondary denitrification column (2), ammonia reduction tower (3), line mixer (4), shower nozzle (5), gas blower (6), and induced draft fan (7), pneumatic tube (8), gas distribution pipe (9), water outlet (10), conduit (11), venting port (12), Vltrasonic device (13), metal partion (metp) (14), denitrogenation passage (15) and ventage (16) are formed; One-level denitrification column (1) is connected with pneumatic tube (8) with secondary denitrification column (2), it is inner that Vltrasonic device (13) is arranged on one-level denitrification column (1), one-level denitrification column (1) is connected with gas blower (6), through gas distribution pipe (9) to one-level denitrification column (1) aeration.
2. Surfactant-Catalyzed agent treating refuse percolate middle and high concentration ammonia nitrogen device according to claim 1, it is characterized in that: add 10ppm tensio-active agent in described line mixer (4) and mix with percolate, flow through shower nozzle (5) and be sprayed onto in one-level denitrification column (1); The main component of described tensio-active agent is fatty alcohol-ether sodium sulfate.
3. Surfactant-Catalyzed agent treating refuse percolate middle and high concentration ammonia nitrogen device according to claim 1, it is characterized in that: heavy metal catalyst placed by described metal partion (metp) (14), heavy metal catalyst is copper, rhodium alloy, its mass ratio respectively accounts for half, and (14) are distributed with tiny pore with metal partion (metp).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424798.2A CN104211238A (en) | 2014-08-26 | 2014-08-26 | Device for treating high-concentration ammonia nitrogen in landfill leachate by virtue of surfactant catalyst |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424798.2A CN104211238A (en) | 2014-08-26 | 2014-08-26 | Device for treating high-concentration ammonia nitrogen in landfill leachate by virtue of surfactant catalyst |
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| CN104211238A true CN104211238A (en) | 2014-12-17 |
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| CN201410424798.2A Pending CN104211238A (en) | 2014-08-26 | 2014-08-26 | Device for treating high-concentration ammonia nitrogen in landfill leachate by virtue of surfactant catalyst |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570277A (en) * | 2017-10-16 | 2018-01-12 | 乐山新天源太阳能科技有限公司 | The production line of electric slurry inorganic adhesive |
| CN108117414A (en) * | 2018-01-18 | 2018-06-05 | 深圳市安思科电子科技有限公司 | A kind of high energy-saving organic fertilizer production equipment of production efficiency |
| CN108358344A (en) * | 2018-03-13 | 2018-08-03 | 常州大学 | Promote deamination catalyst treatment and produces urea waste water device |
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| KR20020022461A (en) * | 2000-09-20 | 2002-03-27 | 추후제출 | Water treatment method and water treatment apparatus |
| CN2532067Y (en) * | 2002-05-04 | 2003-01-22 | 宜兴市天立环保有限公司 | Dehydrogenation and denitrification device for waste water |
| CN201857289U (en) * | 2010-10-22 | 2011-06-08 | 殷衡 | Stripping tower capable of ionizing ammonia-nitrogen at high frequency |
| CN102344216A (en) * | 2011-06-30 | 2012-02-08 | 福建省麦丹生物集团有限公司 | Processing method of ammonia-nitrogen-containing waste water and ultrasonic jet microvacuum denitrification device thereof |
| CN103570160A (en) * | 2013-11-14 | 2014-02-12 | 常州大学 | Device for treating high-concentration ammonia nitrogen in urine by using surfactant |
| CN103570094A (en) * | 2013-10-25 | 2014-02-12 | 常州大学 | Device for enriching and separating high-concentration ammonia-nitrogen in pesticide wastewater with surfactants |
| CN103601267A (en) * | 2013-10-15 | 2014-02-26 | 常州思宇环保材料科技有限公司 | Device for removing ammonia nitrogen from restaurant wastewater |
| CN103833174A (en) * | 2014-03-28 | 2014-06-04 | 文登市西郊热电有限公司 | Device and method for treating high-concentration ammonia nitrogen wastewater |
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2014
- 2014-08-26 CN CN201410424798.2A patent/CN104211238A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020022461A (en) * | 2000-09-20 | 2002-03-27 | 추후제출 | Water treatment method and water treatment apparatus |
| CN2532067Y (en) * | 2002-05-04 | 2003-01-22 | 宜兴市天立环保有限公司 | Dehydrogenation and denitrification device for waste water |
| CN201857289U (en) * | 2010-10-22 | 2011-06-08 | 殷衡 | Stripping tower capable of ionizing ammonia-nitrogen at high frequency |
| CN102344216A (en) * | 2011-06-30 | 2012-02-08 | 福建省麦丹生物集团有限公司 | Processing method of ammonia-nitrogen-containing waste water and ultrasonic jet microvacuum denitrification device thereof |
| CN103601267A (en) * | 2013-10-15 | 2014-02-26 | 常州思宇环保材料科技有限公司 | Device for removing ammonia nitrogen from restaurant wastewater |
| CN103570094A (en) * | 2013-10-25 | 2014-02-12 | 常州大学 | Device for enriching and separating high-concentration ammonia-nitrogen in pesticide wastewater with surfactants |
| CN103570160A (en) * | 2013-11-14 | 2014-02-12 | 常州大学 | Device for treating high-concentration ammonia nitrogen in urine by using surfactant |
| CN103833174A (en) * | 2014-03-28 | 2014-06-04 | 文登市西郊热电有限公司 | Device and method for treating high-concentration ammonia nitrogen wastewater |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570277A (en) * | 2017-10-16 | 2018-01-12 | 乐山新天源太阳能科技有限公司 | The production line of electric slurry inorganic adhesive |
| CN107570277B (en) * | 2017-10-16 | 2023-09-08 | 乐山新天源太阳能科技有限公司 | Production line of inorganic adhesive of electronic paste |
| CN108117414A (en) * | 2018-01-18 | 2018-06-05 | 深圳市安思科电子科技有限公司 | A kind of high energy-saving organic fertilizer production equipment of production efficiency |
| CN108358344A (en) * | 2018-03-13 | 2018-08-03 | 常州大学 | Promote deamination catalyst treatment and produces urea waste water device |
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Application publication date: 20141217 |