CN104229971A - Device for treating high-concentration ammonia nitrogen in coal chemical industry wastewater by using surface activity catalyst - Google Patents
Device for treating high-concentration ammonia nitrogen in coal chemical industry wastewater by using surface activity catalyst Download PDFInfo
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- CN104229971A CN104229971A CN201410426295.9A CN201410426295A CN104229971A CN 104229971 A CN104229971 A CN 104229971A CN 201410426295 A CN201410426295 A CN 201410426295A CN 104229971 A CN104229971 A CN 104229971A
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- ammonia nitrogen
- concentration ammonia
- nitrogen
- waste water
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Abstract
The invention relates to a device for treating high-concentration ammonia nitrogen in coal chemical industry wastewater by using a surface activity catalyst, belonging to the field of sewage treatment. The device is composed of a high-concentration ammonia nitrogen water inlet (1), a water tank (2), a gas distribution pipe (3), a high-concentration ammonia nitrogen circulating water channel (4), a high-pressure sprayer (5), a screen (6), a gas distribution bag (7), a zeolite partition (8), a secondary denitrification device (9), a tertiary denitrification device (10), a quaternary denitrification device (11), a liquor box (12), a waste gas outlet (13), a wastewater outlet (14), a drainage channel (15), an air compressor (16), a filler layer (17) and a blast blower (18). The device has the advantages of production cost saving and low energy consumption, is simple to operate, and removes the high-concentration ammonia nitrogen in water with stable effect. The removal ratio of the high-concentration ammonia nitrogen wastewater treated by the device is higher than 99.9%, thereby reducing the environmental pollution.
Description
Technical field
The invention discloses surfactivity catalyst treatment coal chemical industrial waste water middle and high concentration ammonia nitrogen device, belong to sewage treatment area.
Background technology
Coking chemical waste water is that coking, coal gas are in high temperature carbonization, purification and byproduct removal process, producing the trade effluent containing volatile phenol, polycyclic aromatic hydrocarbons and oxygen, sulphur, the heterogeneous ring compound such as nitrogen, is a kind of high CODcr, high phenol value, high ammonia nitrogen and very unmanageable a kind of industrial organic waste water.Its main source has three: one to be remained ammonia, and it is the waste water generated in the dry distillation of coal and coal gas cooling, and its water yield accounts for the over half of coking chemical waste water total amount, is the main source of coking chemical waste water; Two is the waste water generated in gas purification process, as gas end-cooling water and crude benzol Separation of Water etc.; Three is in the treating process such as tar, crude benzol and the waste water of other occasion generation.Coking chemical waste water is the trade effluent containing a large amount of Persistent organic pollutants, its complicated component, and containing hazardous and noxious substances such as a large amount of phenol, cyanogen, benzene, ammonia nitrogens, the coking chemical waste water of discharge beyond standards causes serious pollution to environment.Coking chemical waste water has water quality and quantity change, complicated component, and organism is high, the ammonia nitrogen concentration high of hardly degraded organic substance content particularly.
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 is with NH
3form drain in air, easily cause secondary pollution risk, in order to eliminate the secondary pollution brought environment, people generally adopt H
2o or dilute sulphuric acid absorb ammonia, but this product utilizing absorption treatment process to obtain is impure, and concentration is too low, does not have marketable value, remains a kind of waste water also existed with ammonia nitrogen in high density.
Summary of the invention
The object of the invention is to the problems such as and processing efficiency high for the cost existed in prior art be not high, provide surfactivity catalyst treatment coal chemical industrial waste water middle and high concentration ammonia nitrogen device, the method is simple to operate, cost is low, consume energy little, solve cost in prior art high, the problem that ammonia nitrogen removal frank is low.
In order to achieve the above object, concrete technical scheme of the present invention is: surfactivity catalyst treatment coal chemical industrial waste water middle and high concentration ammonia nitrogen device is by ammonia nitrogen in high density water inlet (1), water tank (2), gas distribution pipe (3), ammonia nitrogen in high density circulating water channel (4) high-pressure nozzle (5), screen cloth (6), cloth airbag (7), zeolite dividing plate (8), secondary nitrogen rejection facility (9), three grades of nitrogen rejection facilitys (10) level Four nitrogen rejection facility (11), spray tank (12), waste gas outlet (13), wastewater outlet (14), drainage channel (15), air compressor (16), packing layer (17) and gas blower (18) are formed, spray tank (12) is built in drainage channel (15), deposits heavy metal catalyst in spray tank, spray tank bottom part qi-emitting hole, can supply air circulation.High-pressure nozzle (5) is connected with ammonia nitrogen in high density circulating water channel (4), is placed in top, and in high-pressure nozzle (5), built-in packing layer (17), is added with tensio-active agent in packing layer.
Described secondary nitrogen rejection facility (9), three grades of nitrogen rejection facilitys (10) level Four nitrogen rejection facility (11) are made up of with screen cloth (6) cloth airbag (7), zeolite dividing plate (8), cloth airbag (7) is tilted on drainage channel (15) in miter angle, screen cloth (6) is placed between cloth airbag (7) and zeolite dividing plate (8).
Described screen cloth (6) is 100 ~ 120 orders, pore size 10 ~ 12mm.
In described packing layer (17), surfactant sodium dodecyl base sodium sulfonate is housed, spray tank has deposited heavy metal catalyst rhodium chloride and Palladous chloride in (12), and its mass ratio respectively accounts for half.
Principle of work of the present invention is: high-concentration ammonia nitrogenous wastewater enters in water tank (2) by high-concentration ammonia nitrogenous wastewater entrance (1), air compressor (16) via gas distribution pipe (3) to aeration in water tank 10 minutes, gas-liquid fully mixes and flows along ammonia nitrogen in high density circulating water channel (4), arrive top high-voltage shower nozzle (5) place to eject from high-pressure nozzle (5) after packing layer (17) and surfactant sodium dodecyl base sodium sulfonate react, gas blower is blown to cloth airbag (7), waste water flows through screen cloth (6) along cloth airbag (7), screen cloth (6) is 100 ~ 120 orders, pore size 10 ~ 12mm., waste water after sieving is again by after zeolite dividing plate (8) purification, flow into secondary nitrogen rejection facility again, secondary nitrogen rejection facility (9), three grades of nitrogen rejection facilitys (10) are by cloth airbag (7) with level Four nitrogen rejection facility (11), zeolite dividing plate (8) and screen cloth (6) are formed, cloth airbag (7) is tilted on drainage channel (15) in miter angle, screen cloth (6) is placed between cloth airbag (7) and zeolite dividing plate (8), when waste water is after level Four nitrogen rejection facility, ammonia nitrogen in waste water is converted to ammonia, after ammonia is reacted by spray tank (12) and the heavy metal catalyst rhodium chloride in spray tank and Palladous chloride via drainage channel (15), directly discharging from waste gas outlet (13) after ammonia is reduced into nitrogen, waste water is then discharged by wastewater outlet (14).Clearance through the high-concentration ammonia nitrogenous wastewater of apparatus of the present invention process reaches more than 99.9%.
Significant advantage of the present invention is:
(1) tensio-active agent in packing layer is practical in ammonia nitrogen removal device, efficient;
(2) screen cloth adopted is hollow fiber film assembly, and wetting ability is strong, not easily fracture of wire;
(3) this device saves production cost, simple to operate, consumes energy little, and the removal water middle and high concentration ammonia nitrogen of effect stability, alleviates the pollution to environment.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention
Wherein: 1-high-concentration ammonia nitrogenous wastewater entrance, 2-water tank, 3-gas distribution pipe, 4-ammonia nitrogen in high density circulating water channel, 5-high-pressure nozzle, 6-screen cloth, 7-gas distribution pipe, 8-zeolite dividing plate, 9-secondary nitrogen rejection facility, 10-tri-grades of nitrogen rejection facilitys, 11-level Four nitrogen rejection facility, 12-heavy metal catalyst, 13-waste gas outlet, 15-drainage channel.16-air compressor, 17-packing layer, 18-gas blower.
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 surfactivity catalyst treatment coal chemical industrial waste water middle and high concentration ammonia nitrogen device is, by ammonia nitrogen in high density water inlet (1), water tank (2), gas distribution pipe (3), ammonia nitrogen in high density circulating water channel (4) high-pressure nozzle (5), screen cloth (6), cloth airbag (7), zeolite dividing plate (8), secondary nitrogen rejection facility (9), three grades of nitrogen rejection facilitys (10) level Four nitrogen rejection facility (11), spray tank (12), waste gas outlet (13), wastewater outlet (14), drainage channel (15), air compressor (16), packing layer (17) and gas blower (18) are formed, described spray tank (12) is built in drainage channel (15), deposits heavy metal catalyst in spray tank, spray tank bottom part qi-emitting hole, can supply air circulation.High-pressure nozzle (5) is connected with ammonia nitrogen in high density circulating water channel (4), is placed in top, and in high-pressure nozzle (5), built-in packing layer (17), is added with tensio-active agent in packing layer; Described secondary nitrogen rejection facility (9), three grades of nitrogen rejection facilitys (10) level Four nitrogen rejection facility (11) are made up of with screen cloth (6) cloth airbag (7), zeolite dividing plate (8), cloth airbag (7) is tilted on drainage channel (15) in miter angle, screen cloth (6) is placed between cloth airbag (7) and zeolite dividing plate (8); Described screen cloth (6) is 100 ~ 120 orders, pore size 10 ~ 12mm.; In described packing layer (17), surfactant sodium dodecyl base sodium sulfonate is housed, spray tank has deposited heavy metal catalyst rhodium chloride and Palladous chloride in (12).
When a kind of surfactivity catalyst treatment of the present invention coal chemical industrial waste water middle and high concentration ammonia nitrogen device uses, high-concentration ammonia nitrogenous wastewater enters in water tank (2) by high-concentration ammonia nitrogenous wastewater entrance (1), air compressor (16) via gas distribution pipe (3) to aeration in water tank 10 minutes, gas-liquid fully mixes and flows along ammonia nitrogen in high density circulating water channel (4), arrive top high-voltage shower nozzle (5) place to eject from high-pressure nozzle (5) after packing layer (17) and surfactant sodium dodecyl base sodium sulfonate react, gas blower is blown to cloth airbag (7), waste water flows through screen cloth (6) along cloth airbag (7), screen cloth (6) is 100 ~ 120 orders, pore size 10 ~ 12mm., waste water after sieving is again by after zeolite dividing plate (8) purification, flow into secondary nitrogen rejection facility again, secondary nitrogen rejection facility (9), three grades of nitrogen rejection facilitys (10) are by cloth airbag (7) with level Four nitrogen rejection facility (11), zeolite dividing plate (8) and screen cloth (6) are formed, cloth airbag (7) is tilted on drainage channel (15) in miter angle, screen cloth (6) is placed between cloth airbag (7) and zeolite dividing plate (8), when waste water is after level Four nitrogen rejection facility, ammonia nitrogen in waste water is converted to ammonia, after ammonia is reacted by spray tank (12) and the heavy metal catalyst rhodium chloride in spray tank and Palladous chloride via drainage channel (15), directly discharging from waste gas outlet (13) after ammonia is reduced into nitrogen, waste water is then discharged by wastewater outlet (14).Clearance through the high-concentration ammonia nitrogenous wastewater of apparatus of the present invention process reaches more than 99.9%.
Claims (4)
1. surfactivity catalyst treatment coal chemical industrial waste water middle and high concentration ammonia nitrogen device, it is characterized in that: this device is by ammonia nitrogen in high density water inlet (1), water tank (2), gas distribution pipe (3), ammonia nitrogen in high density circulating water channel (4) high-pressure nozzle (5), screen cloth (6), cloth airbag (7), zeolite dividing plate (8), secondary nitrogen rejection facility (9), three grades of nitrogen rejection facilitys (10) level Four nitrogen rejection facility (11), spray tank (12), waste gas outlet (13), wastewater outlet (14), drainage channel (15), air compressor (16), packing layer (17) and gas blower (18) are formed, described spray tank (12) is built in drainage channel (15), deposits heavy metal catalyst in spray tank, spray tank bottom part qi-emitting hole, can supply air circulation, high-pressure nozzle (5) is connected with ammonia nitrogen in high density circulating water channel (4), is placed in top, and in high-pressure nozzle (5), built-in packing layer (17), is added with tensio-active agent in packing layer.
2. surfactivity catalyst treatment coal chemical industrial waste water middle and high concentration ammonia nitrogen device according to claim 1, it is characterized in that: described secondary nitrogen rejection facility (9), three grades of nitrogen rejection facilitys (10) level Four nitrogen rejection facility (11) are made up of with screen cloth (6) cloth airbag (7), zeolite dividing plate (8), cloth airbag (7) is tilted on drainage channel (15) in miter angle, screen cloth (6) is placed between cloth airbag (7) and zeolite dividing plate (8).
3. surfactivity catalyst treatment coal chemical industrial waste water middle and high concentration ammonia nitrogen device according to claim 1, is characterized in that: described screen cloth (6) is 100 ~ 120 orders, pore size 10 ~ 12mm..
4. surfactivity catalyst treatment coal chemical industrial waste water middle and high concentration ammonia nitrogen device according to claim 1, it is characterized in that: in described packing layer (17), surfactant sodium dodecyl base sodium sulfonate is housed, spray tank has deposited heavy metal catalyst rhodium chloride and Palladous chloride in (12), and its mass ratio respectively accounts for half.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410426295.9A CN104229971A (en) | 2014-08-26 | 2014-08-26 | Device for treating high-concentration ammonia nitrogen in coal chemical industry wastewater by using surface activity catalyst |
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| CN201410426295.9A CN104229971A (en) | 2014-08-26 | 2014-08-26 | Device for treating high-concentration ammonia nitrogen in coal chemical industry wastewater by using surface activity catalyst |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (5)
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| KR20090025409A (en) * | 2007-09-06 | 2009-03-11 | 하우징닥터 (주) | Wastewater treatment system and method using nano metal and catalysis membrane |
| CN201857289U (en) * | 2010-10-22 | 2011-06-08 | 殷衡 | Stripping tower capable of ionizing ammonia-nitrogen at high frequency |
| CN102219323A (en) * | 2011-03-31 | 2011-10-19 | 华中师范大学 | Method for simultaneously removing organic pollutants and ammonia in waste water and reactor |
| CN103570159A (en) * | 2013-11-14 | 2014-02-12 | 常州大学 | Device for treating high-concentration ammonia nitrogen in coal chemical wastewater in vortex mixing dispersion way by using surfactant |
| CN104211248A (en) * | 2014-08-26 | 2014-12-17 | 常州大学 | Device for treating high-concentration ammonia nitrogen in urine by using surface activity catalyst |
-
2014
- 2014-08-26 CN CN201410426295.9A patent/CN104229971A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090025409A (en) * | 2007-09-06 | 2009-03-11 | 하우징닥터 (주) | Wastewater treatment system and method using nano metal and catalysis membrane |
| CN201857289U (en) * | 2010-10-22 | 2011-06-08 | 殷衡 | Stripping tower capable of ionizing ammonia-nitrogen at high frequency |
| CN102219323A (en) * | 2011-03-31 | 2011-10-19 | 华中师范大学 | Method for simultaneously removing organic pollutants and ammonia in waste water and reactor |
| CN103570159A (en) * | 2013-11-14 | 2014-02-12 | 常州大学 | Device for treating high-concentration ammonia nitrogen in coal chemical wastewater in vortex mixing dispersion way by using surfactant |
| CN104211248A (en) * | 2014-08-26 | 2014-12-17 | 常州大学 | Device for treating high-concentration ammonia nitrogen in urine by using surface activity catalyst |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Application publication date: 20141224 |