CN102219323B - Method for simultaneously removing organic pollutants and ammonia in waste water and reactor - Google Patents

Method for simultaneously removing organic pollutants and ammonia in waste water and reactor Download PDF

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Publication number
CN102219323B
CN102219323B CN2011100797392A CN201110079739A CN102219323B CN 102219323 B CN102219323 B CN 102219323B CN 2011100797392 A CN2011100797392 A CN 2011100797392A CN 201110079739 A CN201110079739 A CN 201110079739A CN 102219323 B CN102219323 B CN 102219323B
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ammonia
waste water
reactor
stripping
reactor drum
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CN102219323A (en
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张礼知
艾智慧
刘伟
贾法龙
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Huazhong Normal University
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Abstract

A method for simultaneously removing organic pollutants and ammonia in waste water and a reactor. The method provided by the invention simultaneously accomplishes the degradation of organic pollutants by the activated oxygen catalytic oxidation and the removal of ammonia by spraying and air-stripping in the same reactor. The reactor, which comprises an upper part for stripping and removing ammonia and a lower part for the activated oxygen catalytic oxidation, is mainly composed of a housing, a water distributor, atomizing nozzles, a catalyst, a power pump, porous trays, a microporous aeration plate, air pumps and an air intake. The method provided by the invention is characterized in that waste water undergoes the pH value adjustment and flows into the atomizing nozzles from the upper water distributor; air flows into the reactor from the microporous aeration plate or the air intake; ammonia is stripped and removed during the fogdrop dripping process on one hand and through porous trays on the other hand; ammonia gas flows out of an outlet on the top and then is sent for a next treatment; fogdrop drips into an activated oxygen catalytic oxidation pool on the bottom; air flows from the microporous aeration plate on the bottom and reacts with the catalyst in the catalytic oxidation pool so as to produce oxygen-containing free radicals to remove organic pollutants in the waste water. The method for simultaneously removing organic pollutants and ammonia in waste water and the reactor in the invention are suitable for the treatment of diversified ammonia-containing organic waste water.

Description

A kind of method and reactor drum of removing organic pollutant and ammonia in the waste water simultaneously
Technical field
The present invention relates to a kind of method and reactor drum of removing organic pollutant and ammonia in the waste water simultaneously, belong to technical field of water pollution control.
Background technology
As a kind of widely used water treatment high-level oxidation technology, in that the Fenton oxidation is specially adapted to some refractory such as phenols, arylamine class, aromatic hydrocarbons, agricultural chemicals and nuke rubbish reason or the processing to the virose trade effluent of biology.Why Fenton reagent has very strong oxidation capacity is that OH compares with other oxygenant has stronger oxidizing electrode current potential (2.8V), than ozone (O because hydrogen peroxide can produce hydroxyl radical free radical (OH) under the katalysis of iron ion 3, 2.07V), and hydrogen peroxide (hydrogen peroxide, 1.77V) respectively high 35% and 59%, oxidation capacity is only second to fluorine; In addition, OH also has high electronegativity (Electron Affinities), and its electron affinity is 569.3KJ, the easy high cloud density point of attack, and then realize that as intermediate product the deep oxidation of pollutent decomposes O 3, hydrogen peroxide, Cl 2, strong oxidizer intermediate product such as O, utilize the strong oxidizing property of these intermediate products can the organism complete oxidation in the waste water be CO 2And H 2O.Traditional Fenton's reaction exists the restriction aspect three when large-scale application: 1. must in the acidic medium of pH<3, carry out; 2. conventional Fenton catalyzer (Fe 2+Or Fe 3+) existence form in the aqueous solution receives the influence of factors such as the potential of hydrogen of medium, total concentration of iron, shelf-time, its separation and recycle and face many difficulties; Although 3. H 2O 2Be a kind of oxygen source convenient for cleaning, but it exist and cost an arm and a leg poor stability, the restriction of aspects such as shortcoming that utilization ratio is low and accumulating.Thus, the Fenton of many materializations unit combination technology is technological like light-Fenton, electricity-Fenton is technological, ultrasonic-and Fenton is technological, photoelectricity-Fenton technology etc. is arisen at the historic moment; Simultaneously, be the deficiency that the out-phase Fenton's reaction of representative also can solve traditional Fenton's reaction with Zero-valent Iron and mixture thereof.But present Fenton system does not still solve H 2O 2Cost an arm and a leg and shortcoming that utilization ratio is low.
Petrochemical industry, metallurgy, the ammonia-containing water that industries such as food produce has increased the weight of the eutrophication of water body.Ammonia nitrogen waste water has caused the attention of environmental protection field and global range to the influence of environment.Research and development are economical, denitrogenate emphasis and focus that treatment technology has become water pollution control engineering area research efficiently.The main method of removing ammonia nitrogen has: physics method, chemical method, biological process.The at present widely used ammonia technology of removing mainly comprises ion exchange method, stripping-vaporizing extract process, chemical precipitation method, break point chlorination, catalytic pyrolysis etc.Though the ion exchange method ammonia nitrogen removal frank is high, when ammonia nitrogen concentration was high, resin regeneration was frequent, operational difficulty, and regenerated liquid still is a high ammonia-nitrogen wastewater, and reagent consumption is big, and processing cost is high; Air stripping method is to utilize the difference that exists between actual concentrations and the equilibrium concentration of volatile matter such as ammonia nitrogen contained in the waste water, under alkaline condition, with air stripping or steam stripped, the volatile matter such as ammonia nitrogen in the waste water is constantly transferred to the gas phase from liquid phase; Thereby reach the purpose of removing ammonia nitrogen in the waste water, blow-off method is removed ammonia nitrogen, and clearance can reach 60%~95%; Technical process is simple, and treatment effect is stable, and the ammonia that stripping goes out absorbs generation ammonium chloride with hydrochloric acid can be back to soda ash production as mother liquor; Also can be according to the market requirement; Water absorb to be produced ammoniacal liquor or is produced the ammonium sulfate sub product with sulfuric acid absorption, and tail gas returns in the stripping tower, but water temperature is when low; Stripping efficient is low, is not suitable for using in the winter of cold; Chemical precipitation method is through in ammonia nitrogen waste water, adding certain chemical agent; Make it with waste water in some dissolubility pollutant matter react; The formation difficulty soluble salt precipitates; Thereby the method for dissolubility pollutant concentration in the reduction water, chemical precipitation method can be handled the ammonia nitrogen waste water of various concentration, is particularly suitable for the processing of high-concentration ammonia nitrogenous wastewater; Break point chlorination is to add excessive chlorine or Youxiaolin, is that the ammonia complete oxidation in the waste water is N 2Method, this method speed of response is fast, needs equipment few, but the safe handling of liquid chlorine and store to require highly, processing cost is also higher; Catalytic pyrolysis provides the comprehensive treating process and the recovery method that contain ammonia/ammonium waste water that produces in a kind of Catalyst Production technology.But the waste water ammonia-removal method all can not effectively be removed for the organic pollutant in the waste water bar none at present.
At present organic pollutant and the method for ammonia and the document of reactor drum rarely have report in the waste water about removing simultaneously." Fudan Journal " (2006 the 45th the 3rd phases of volume) reported the RP that is entitled as " influence factor that electrochemical oxidation process removes ammonia nitrogen "; This result of study shows that the electrochemical oxidation process Treating Municipal Sewage can drop to 6.1mg/L from 26.8 with the preliminary sedimentation tank ammonia nitrogen concentration; Second pond goes out after the water treatment ammonia nitrogen concentration and reduces to 0.1mg/L from 19.9, and this process can be removed the organism in the municipal effluent to a certain extent simultaneously; Do not see as yet about removing organic pollutant and the method for ammonia and the patent of reactor drum in the waste water simultaneously at present; The domestic related patent U.S. Patent No. of only removing ammonia relevant for organic pollutant in the difference Fenton oxidation removal waste water with blow-off method; Utility model patent of invention like CN2937066Y discloses the patent that is entitled as " the high dispersive spraying removes the ammonia tower ", and this utility model provides a kind of high dispersive spraying to remove the ammonia tower, and its high dispersive arrangements of elements is in removing ammonia Tata body; Be positioned at the top of air intake sparger; The high dispersive element is made up of atomizing nozzle and branch water distributor, and atomizing nozzle is provided with up or down, communicates with service pump through minute water distributor and water inlet pipe; This tower adopts the high dispersive element that ammonia nitrogen waste water is carried out high dispersing and handles, and increases the flowing fluid ratio surface-area, has improved to be dissolved in the speed that the free ammonia in the water is escaped from liquid phase, thereby has reached the purpose of ammonia nitrogen removal in the solution.The patent of invention of CN101445290A discloses and has been entitled as the patent of " a kind of environmental protection, waste water ammonia-removal process and equipment thereof " efficiently for another example; This invention adopts dilute acid soln to absorb except that the ammonia in the ammonia tail gas; Adopt pipeline to introduce blower inlet the air that does not contain ammonia or contain micro-ammonia and recycle, make except that ammonia efficient to maintain in the higher scope.
The inventive method is that the waste water degassing that contains organic pollutant and ammonia removes ammonia after the Fenton oxidation removal organic pollutant of catalytic activation molecular oxygen.Contain ammonia organic waste water and spray into reactor drum from atomizing nozzle via aeration tube, start pneumatic pump from inlet mouth via micro-pore aeration plate bubbling air, and regulate air flow quantity, ammonia is removed under the stripping of air in the waste water of atomizing back; Molecular oxygen in the catalyzed oxidation pond of reactor drum lower end in the catalyzer ability catalytic activation oxidation pond produces the oxide species of strong oxidizing property, thereby removes wastewater organic pollutant.The present invention removes the organic pollutant in the waste water and removes ammonia when setting up reactor drum is applicable to the various ammonia treatment of Organic Wastewater that contain, and efficient is high, environmental friendliness; Non-secondary pollution, facility compact, easy handling; Whole reactor is controlled easily, meets the needs of actual unit for treating water.
Summary of the invention
The objective of the invention is in same unit for treating water, realize simultaneously that activation oxygen catalyzing oxidizing degrading organic pollutant and spraying stripping remove ammonia, and a kind of reactor drum that can remove organic pollutant and ammonia in the water simultaneously is provided.
Technical scheme of the present invention is: a kind of method of removing organic pollutant and ammonia in the waste water simultaneously; It is characterized in that; On a top is that stripping removes the ammonia chamber and the bottom is in the reactor drum in activation oxygen catalyzed oxidation pond, with pending contain ammonia organic waste water adjustment pH after, the atomizing nozzle that removes top, ammonia chamber via the stripping on reactor drum top sprays into reactor drum; Start pneumatic pump simultaneously; With air via the micro-pore aeration plate of the bottom, activation oxygen catalyzed oxidation pond of reactor lower part expose to the sun into, perhaps expose to the sun and send into reactor drum, and regulate air flow quantity into the inlet mouth that removes bottom, ammonia chamber with described stripping via described micro-pore aeration plate; Ammonia is removed under the stripping of air in the waste water of atomizing back, and follows air after the escape orifice that is positioned at reactor top overflows, to send next stage to handle; Droplet drops down onto the activation oxygen catalyzed oxidation pond of reactor lower part; The catalyst activate molecular oxygen produces the strong oxidizing property oxygen radical in activation oxygen catalyzed oxidation pond; Organic pollutant in the oxidation removal waste water, the water after stripping removes ammonia and catalyzed oxidation removal organism flows out from water outlet.
By technique scheme, described catalyzer is ferrous sulfate, ferric sulfate, Zero-valent Iron, red oxide of iron, Z 250 or hydrous iron oxide.
By technique scheme, the concentration of catalyzer in waste water is 0.2~1g/L, and in waste water, dissolved oxygen concentration is 0.5-2.0mg/L to molecular oxygen through micro-pore aeration plate dissolved air.
By technique scheme, described pH value is in the 10-12 scope.
A kind of reactor drum of removing organic pollutant and ammonia in the waste water simultaneously of the present invention, its structure comprise that reactor shell, atomizing nozzle, water outlet, catalyzer, pneumatic pump, micro-pore aeration plate, ammonia escape orifice, charging opening, mud discharging mouth, power water pump, porous plate, stripping remove ammonia chamber, catalyzed oxidation pond, aeration tube, water distributor and inlet mouth; Reactor drum is made up of except that the catalyzed oxidation pond of ammonia chamber and bottom the stripping on top; Atomizing nozzle is uniformly distributed with and is installed on the water distributor, is arranged on the interior stripping of reactor drum and removes top, ammonia chamber, and the water distributor import is communicated with the power water pump outlet; Porous plate is arranged on the interior stripping of reactor drum and removes the ammonia chamber) in, position between charging opening and atomizing nozzle, the micro-pore aeration plate is positioned at bottom, reactor drum catalyzed oxidation pond; On the micro-pore aeration plate of catalyzer in the catalyzed oxidation pond; The pneumatic pump outlet is communicated with inlet mouth and aeration tube, and aeration tube extend into micro-pore aeration plate bottom, and water outlet is positioned at the bottom of the upper spacer top inlet mouth in catalyzed oxidation pond; Mud discharging mouth is positioned at reactor drum near the bottom, and the ammonia escape orifice is positioned at reactor head.
In the method for removing organic pollutant and ammonia in the waste water simultaneously of the present invention, ammonia can be removed through stripping in the process that droplet descends on the one hand, can slough via the porous plate after-blow of reactor drum on the other hand and remove.Porous plate can increase the residence time that the droplet stripping removes ammonia, removes ammonia efficient thereby increase.Ammonia overflows from the ammonia escape orifice that is positioned at reactor top.Droplet drops down onto the catalyzed oxidation pond of reactor drum lower end, air by the micro-pore aeration plate of bottom, catalyzed oxidation pond expose to the sun into, and produce the strong oxidizing property oxygen radical, the organic pollutant in the oxidation removal waste water behind the catalyst action in the catalyzed oxidation pond.Water after stripping removes ammonia and catalyzed oxidation removal organism flows out from water outlet.Through regulating the waste water flow velocity, adjustings such as air flow quantity, pH make the abundant contact reacts of air and catalyzer and waste water, preferably remove ammonia and organic efficient to reach.
Advantage of the present invention is following:
1. combine air stripping to remove ammonia and catalytic activation molecular oxygen removal organism, in same reactor drum, realize removing organic pollutant and the ammonia in the water simultaneously.
2. adopt and to utilize atomizing nozzle and porous plate to increase the contact area and the duration of contact of ammonia and gas in the waste water.
3. adopting airborne oxygen molecule is the oxygen source of catalyzed oxidation, and its oxygen source wide material sources are with low cost, good economy performance.
4. various parameters are controlled easily, can be as required conditioned response parameter at any time.
5. remove when the present invention sets up that organic pollutant and ammonia reactor are applicable to the various ammonia treatment of Organic Wastewater that contain in the waste water; Facility compact, easy handling, whole reactor is controlled easily; The needs that meet actual unit for treating water have very big application potential in the environmental pollution improvement field.
Description of drawings
Fig. 1 is a structural representation of removing the reactor drum of organism and ammonia in the waste water simultaneously.
Embodiment
The structure of removing the reactor drum of organism and ammonia in the waste water simultaneously of the present invention is as shown in Figure 1.The structure of reactor drum comprises that reactor shell 1, atomizing nozzle 2, water outlet 3, catalyzer 4, pneumatic pump 5, micro-pore aeration plate 6, ammonia escape orifice 7, charging opening 8, mud discharging mouth 9, power water pump 10, porous plate 11, stripping remove ammonia chamber 12, catalyzed oxidation pond 13, aeration tube 14, water distributor 15 and inlet mouth 16; Reactor drum is made up of except that the catalyzed oxidation pond 13 of ammonia chamber 12 and bottom the stripping on top; Atomizing nozzle 2 is uniformly distributed with and is installed on the water distributor 15; Be arranged on the interior stripping of reactor drum and remove 12 tops, ammonia chamber, water distributor 15 imports are communicated with power water pump 10 outlets, and porous plate 11 is arranged on the interior stripping of reactor drum and removes in the ammonia chamber 12; Position between charging opening 8 and atomizing nozzle 2; Micro-pore aeration plate 6 is positioned at 13 bottoms, reactor drum catalyzed oxidation pond, and on the micro-pore aeration plate 6 of catalyzer 4 in catalyzed oxidation pond 13, pneumatic pump 5 outlets are communicated with inlet mouth 16 and aeration tube 14; Aeration tube 14 extend into micro-pore aeration plate 6 bottoms; Water outlet 3 is positioned at the bottom of the upper spacer top inlet mouth 16 in catalyzed oxidation pond 13, and mud discharging mouth 9 is positioned at reactor drum near the bottom, and ammonia escape orifice 7 is positioned at reactor head.
Through pneumatic pump 5 air is fed reactor drums by inlet mouth 16 or via aeration tube 14, contain ammonia organic waste water through atomizing nozzle 2 ejections, the ammonia in the high dispersive droplet of ejection removes under the effect of air, after ammonia escape orifice 7 is overflowed, send the next stage processing; Droplet drops down onto the catalyzed oxidation pond of reactor lower part, catalyzer in the catalyzed oxidation pond and micro-pore aeration plate 6 expose to the sun into air reaction generate hyperoxia voltinism oxygen radical, the organic pollutant in the oxidation removal waste water.
Embodiment 1
Treating refuse percolate in a kind of reactor drum of removing organic pollutant and ammonia in the waste water simultaneously
Get percolate 30L, regulate pH to 12, COD is 1835mg/L, NH 3-N is 1367mg/L.Waste water sprays into stripping through atomizing nozzle and removes the ammonia chamber, while bubbling air in the catalyzed oxidation pond, and making oxygen in water concentration is 0.5mg/L, adds ferric sulfate 24g, after 120 minutes, the NH of waste water 3-N is 372mg/L, NH 3The clearance of-N is about 73%, and the COD of waste water is 632mg/L, the clearance of organic pollutant about 65%.
Embodiment 2
Treating refuse percolate in a kind of reactor drum of removing organic pollutant and ammonia in the waste water simultaneously
Get percolate 30L, regulate pH to 11, COD is 1987mg/L, NH 3-N is 2691mg/L.Waste water sprays into stripping through atomizing nozzle and removes the ammonia chamber, while bubbling air in the catalyzed oxidation pond, and making oxygen in water concentration is 1.0mg/L, adds red oxide of iron 20g, the NH of waste water 3-N is 989mg/L, NH 3The clearance of-N is about 63%, and after 120 minutes, the COD of waste water is 598mg/L, the clearance of organic pollutant about 70%.
Embodiment 3
In a kind of reactor drum of removing organic pollutant and ammonia in the waste water simultaneously, handle waste water
Get waste water 30L, pH=12, COD are 1530mg/L, NH 3-N is 1269mg/L.Waste water sprays into stripping through atomizing nozzle and removes the ammonia chamber, while bubbling air in the catalyzed oxidation pond, and making oxygen in water concentration is 1.2mg/L, adds ferric sulfate 18g, after 120 minutes, the NH of waste water 3-N is 486mg/L, NH 3The clearance of-N is about 62%, and the COD of waste water is 543mg/L, the clearance of organic pollutant about 65%.
Embodiment 4
In a kind of reactor drum of removing organic pollutant and ammonia in the waste water simultaneously, handle waste water
Get waste water 30L, pH=11.5, COD are 1610mg/L, NH 3-N is 2013mg/L.Waste water sprays into stripping through atomizing nozzle and removes the ammonia chamber, while bubbling air in the catalyzed oxidation pond, and making oxygen in water concentration is 1.4mg/L, adds hydrous iron oxide 25g, after 120 minutes, the NH of waste water 3-N is 983mg/L, NH 3The clearance of-N is about 51%, and the COD of waste water is 812mg/L, the clearance of organic pollutant about 50%.
Embodiment 5
In a kind of reactor drum of removing organic pollutant and ammonia in the waste water simultaneously, handle waste water
Get waste water 30L, regulate pH to 10, COD is 912mg/L, NH 3-N is 387mg/L.Waste water sprays into stripping through atomizing nozzle and removes the ammonia chamber, while bubbling air in the catalyzed oxidation pond, and making oxygen in water concentration is 1.2mg/L, adds sulfurous acid iron 20g, after 120 minutes, the NH of waste water 3-N is 152mg/L, NH 3The clearance of-N is about 61%, and the COD of waste water is 543mg/L, the clearance of organic pollutant about 40%.
Embodiment 6
In a kind of reactor drum of removing organic pollutant and ammonia in the waste water simultaneously, handle waste water
Get waste water 30L, regulate pH to 12, COD is 1230mg/L, NH 3-N is 296mg/L.Waste water sprays into stripping through atomizing nozzle and removes the ammonia chamber, while bubbling air in the catalyzed oxidation pond, and making oxygen in water concentration is 1.5mg/L, adds ferric sulfate 30g, after 120 minutes, the NH of waste water 3-N is 53mg/L, NH 3The clearance of-N is about 82%, and the COD of waste water is 672mg/L, the clearance of organic pollutant about 45%.
Embodiment 7
In a kind of reactor drum of removing organic pollutant and ammonia in the waste water simultaneously, handle waste water
Get waste water 30L, regulate pH to 11, COD is 793mg/L, NH 3-N is 453mg/L.Waste water sprays into stripping through atomizing nozzle and removes the ammonia chamber, while bubbling air in the catalyzed oxidation pond, and making oxygen in water concentration is 1.8mg/L, adds Zero-valent Iron 15g, after 120 minutes, the NH of waste water 3-N is 123mg/L, NH 3The clearance of-N is about 73%, and the COD of waste water is 247mg/L, the clearance of organic pollutant about 70%.
Embodiment 8
In a kind of reactor drum of removing organic pollutant and ammonia in the waste water simultaneously, handle waste water
Get 30L, regulate pH to 12, COD is 745mg/L, NH 3-N is 1208mg/L.Waste water sprays into stripping through atomizing nozzle and removes the ammonia chamber, while bubbling air in the catalyzed oxidation pond, and making oxygen in water concentration is 2.0mg/L, adds Z 250 6g, after 120 minutes, the NH of waste water 3-N is 432mg/L, NH 3The clearance of-N is about 74%, and the COD of waste water is 372mg/L, the clearance of organic pollutant about 50%.

Claims (5)

1. method of removing organic pollutant and ammonia in the waste water simultaneously; It is characterized in that; On a top is that stripping removes the ammonia chamber and the bottom is in the reactor drum in activation oxygen catalyzed oxidation pond, with pending contain ammonia organic waste water adjustment pH after, the atomizing nozzle that removes top, ammonia chamber via the stripping on reactor drum top sprays into reactor drum; Start pneumatic pump simultaneously; With air via the micro-pore aeration plate of the bottom, activation oxygen catalyzed oxidation pond of reactor lower part expose to the sun into, the inlet mouth that perhaps removes bottom, ammonia chamber via described micro-pore aeration plate and described stripping is sent into reactor drum, and regulates air flow quantity; Ammonia is removed under the stripping of air in the waste water of atomizing back, and follows air after the escape orifice that is positioned at reactor top overflows, to send next stage to handle; Droplet drops down onto the activation oxygen catalyzed oxidation pond of reactor lower part; The catalyst activate molecular oxygen produces the strong oxidizing property oxygen radical in activation oxygen catalyzed oxidation pond; Organic pollutant in the oxidation removal waste water, the water after stripping removes ammonia and catalyzed oxidation removal organism flows out from water outlet.
2. a kind of method of removing organic pollutant and ammonia in the waste water simultaneously as claimed in claim 1 is characterized in that described catalyzer is ferrous sulfate, ferric sulfate, Zero-valent Iron, red oxide of iron, Z 250 or hydrous iron oxide.
3. a kind of method of removing organic pollutant and ammonia in the waste water simultaneously as claimed in claim 1; It is characterized in that; The concentration of catalyzer in waste water is 0.2 ~ 1g/L, and in waste water, dissolved oxygen concentration is 0.5-2.0 mg/L to molecular oxygen through micro-pore aeration plate dissolved air.
4. a kind of method of removing organic pollutant and ammonia in the waste water simultaneously as claimed in claim 1 is characterized in that described pH value is in the 10-12 scope.
5. reactor drum of removing organic pollutant and ammonia in the waste water simultaneously; It is characterized in that the structure of reactor drum comprises that reactor shell (1), atomizing nozzle (2), water outlet (3), catalyzer (4), pneumatic pump (5), micro-pore aeration plate (6), ammonia escape orifice (7), charging opening (8), mud discharging mouth (9), power water pump (10), porous plate (11), stripping remove ammonia chamber (12), catalyzed oxidation pond (13), aeration tube (14), water distributor (15) and inlet mouth (16); Reactor drum is made up of except that the catalyzed oxidation pond (13) of ammonia chamber (12) and bottom the stripping on top; Atomizing nozzle (2) is uniformly distributed with and is installed on the water distributor (15); Be arranged on the interior stripping of reactor drum and remove top, ammonia chamber (12); Water distributor (15) import is communicated with power water pump (10) outlet; Porous plate (11) is arranged on the interior stripping of reactor drum and removes in the ammonia chamber (12), is positioned at position between charging opening (8) and the atomizing nozzle (2), and micro-pore aeration plate (6) is positioned at bottom, reactor drum catalyzed oxidation pond (13); On the micro-pore aeration plate (6) of catalyzer (4) in catalyzed oxidation pond (13); Pneumatic pump (5) outlet is communicated with inlet mouth (16) and aeration tube (14), and aeration tube (14) extend into micro-pore aeration plate (6) bottom, and water outlet (3) is positioned at the bottom of the upper spacer top inlet mouth (16) in catalyzed oxidation pond (13); Mud discharging mouth (9) is positioned at reactor drum near the bottom, and ammonia escape orifice (7) is positioned at reactor head.
CN2011100797392A 2011-03-31 2011-03-31 Method for simultaneously removing organic pollutants and ammonia in waste water and reactor Expired - Fee Related CN102219323B (en)

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CN103253725A (en) * 2013-04-09 2013-08-21 北京建筑工程学院 Method for removing organic matters in reclaimed water by using in situ FeOxHy
CN104229971A (en) * 2014-08-26 2014-12-24 常州大学 Device for treating high-concentration ammonia nitrogen in coal chemical industry wastewater by using surface activity catalyst
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