CN107814465A - A kind of high ammonia nitrogen heavy metal ion industrial wastewater processing unit - Google Patents

A kind of high ammonia nitrogen heavy metal ion industrial wastewater processing unit Download PDF

Info

Publication number
CN107814465A
CN107814465A CN201711288248.2A CN201711288248A CN107814465A CN 107814465 A CN107814465 A CN 107814465A CN 201711288248 A CN201711288248 A CN 201711288248A CN 107814465 A CN107814465 A CN 107814465A
Authority
CN
China
Prior art keywords
waste water
stripper
processing unit
heavy metal
ammonia nitrogen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711288248.2A
Other languages
Chinese (zh)
Inventor
刘曼华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201711288248.2A priority Critical patent/CN107814465A/en
Publication of CN107814465A publication Critical patent/CN107814465A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/04Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/048Purification of waste water by evaporation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/20Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/02Temperature
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/06Controlling or monitoring parameters in water treatment pH
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/44Time
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/302Nitrification and denitrification treatment
    • C02F3/307Nitrification and denitrification treatment characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physical Water Treatments (AREA)

Abstract

The invention provides a kind of high ammonia nitrogen heavy metal ion industrial wastewater processing unit, it is related to field of environment protection.Processing unit may include PH adjusting meanss, stripper, stripping device and PH call-back devices in general manner.PH adjusting meanss are used to make the ammonium ion in waste water be converted into amino molecule, and generate unnecessary hydroxide ion.Stripper is connected with PH adjusting meanss, for removing the heavy metal ion in waste water.Stripping device import is connected with the outlet of stripper, and ammonia nitrogen removal processing is carried out to waste water.PH call-back devices are connected with the outlet of stripping device, and the waste water after processing is neutralized.The high ammonia nitrogen heavy metal ion industrial wastewater processing unit of the present invention, heavy metal complex is decomposed by using stripper, combined with hydroxide ion, generation precipitation, remove heavy metal in waste water, avoid directly discharge from impacting environment, ammonia nitrogen removal processing is then carried out to waste water using stripping device.

Description

A kind of high ammonia nitrogen heavy metal ion industrial wastewater processing unit
Technical field
The present invention relates to field of environment protection, more particularly to a kind of high ammonia nitrogen heavy metal ion industrial wastewater processing dress Put.
Background technology
The very high organic wastewater of salinity can be produced in some industrial process such as agricultural chemicals, pharmacy, chemical industry, printing and dyeing and food, is had Salinity can be up to 15% even more high.Organic high-salinity wastewater also has substantial amounts of weight in addition to the salt of the high concentration contained itself Metal ion, processing cost is caused to increase and influence water treatment effect.
But when occurring heavy metal ammino-complex in waste water, cause the ammonia of molecular state not only to be needed when with liquid phase separation Overcome intermolecular force, it is also necessary to destroy coordinate bond, separating difficulty greatly improves, and causes such ammonia nitrogen waste water processing to be difficult to reach Mark.
The content of the invention
It is an object of the present invention to solve heavy metal in waste water ammino-complex to remove halfway problem, there is provided a kind of High ammonia nitrogen heavy metal ion industrial wastewater processing unit.
Especially, the invention provides a kind of high ammonia nitrogen heavy metal ion industrial wastewater processing unit, including:
PH adjusting meanss, the pH value of waste water is adjusted by receiving alkali lye, for being converted into the ammonium ion in the waste water Amino molecule, and generate unnecessary hydroxide ion;
Stripper, it is connected with the PH adjusting meanss, for removing the heavy metal ion in the waste water;
Stripping device, its import are connected with the outlet of the stripper, to waste water progress ammonia nitrogen removal processing, including according to Secondary connected stripping tower, short distance nitration unit and denitrification unit;
PH call-back devices, the outlet with the stripping device are connected, and the waste water after processing is neutralized;
Wherein, the stripper decomposes heavy metal complex, is combined with the hydroxide ion, generation precipitation.
Further, between the PH adjusting meanss and the stripper, between the stripper and the stripping device It is respectively equipped with the first elevator pump and the second elevator pump.
Further, the alkali lye is in sodium hydroxide, calcium hydroxide, calcium oxide, potassium hydroxide, sodium carbonate or potassium carbonate One kind or at least two combination.
Further, in addition to an air blower being aerated to the stripping tower and the short distance nitration unit.
Further, the stripping tower is internally provided with a heater.
Further, a heat exchanger is provided between the PH adjusting meanss and the stripping device.
Further, the composition of tower shell material of the stripper is metal.
Further, the waste water is 10-20S in the residence time of the stripper.
Further, in addition to PH controllers and PH sensor, for the PH adjusting meanss and/or PH call-back devices Automatically adjust.
The high ammonia nitrogen heavy metal ion industrial wastewater processing unit of the present invention, makes heavy metal complex by using stripper Decompose, combined with the hydroxide ion, generation precipitation, remove heavy metal in waste water, avoid directly discharge from causing shadow to environment Ring, ammonia nitrogen removal processing is then carried out to waste water using stripping device.
Further, in high ammonia nitrogen heavy metal ion industrial wastewater processing unit of the invention, PH adjusting meanss and stripping A heat exchanger is provided between tower, reduces energy consumption.
Further, high ammonia nitrogen heavy metal ion industrial wastewater processing unit of the invention is also equipped with one and blown described The air blower that de- tower and the short distance nitration unit are aerated, improve efficiency.
According to the accompanying drawings will be brighter to the detailed description of the specific embodiment of the invention, those skilled in the art Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some specific embodiments of the present invention are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter. Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these What accompanying drawing was not necessarily drawn to scale.In accompanying drawing:
Fig. 1 is the schematic apparatus figure of processing unit according to an embodiment of the invention;
Fig. 2 is the schematic apparatus figure of processing unit in accordance with another embodiment of the present invention.
In figure mark for:
1-PH adjusting meanss, 2- strippers, 3- stripping devices, 4-PH call-back devices, 5- heat exchangers, the elevator pumps of 6- first, The elevator pumps of 7- second, 31- stripping towers, 32- short distance nitration units, 33- denitrification units, 34- heaters, 35- air blowers.
Embodiment
Fig. 1 is the schematic apparatus figure of processing unit according to an embodiment of the invention.As shown in figure 1, processing unit It may include:
PH adjusting meanss 1, the pH value of waste water is adjusted by receiving alkali lye, for making the ammonium ion in waste water be converted into ammonia point Son, and generate unnecessary hydroxide ion;
Stripper 2, it is connected with PH adjusting meanss 1, for removing the heavy metal ion in waste water;
Stripping device 3, its import are connected with the outlet of stripper 2, carry out ammonia nitrogen removal processing to waste water, including be sequentially connected Stripping tower, short distance nitration unit and denitrification unit;
PH call-back devices 4, the outlet with stripping device 3 are connected, and the waste water after processing is neutralized;
Wherein, stripper 2 decomposes heavy metal complex, is combined with hydroxide ion, generation precipitation.
The high ammonia nitrogen heavy metal ion industrial wastewater processing unit of the present invention, is complexed heavy metal by using stripper 2 Thing decomposes, and is combined with hydroxide ion, generation precipitation, removes heavy metal in waste water, avoids directly discharge from impacting environment, Then ammonia nitrogen removal processing is carried out to waste water using stripping device 3.
The processing step of the processing system of one embodiment of the invention as shown in Figure 1 includes:
Alkali is first added to adjust PH to 10-11 containing high ammonia nitrogen heavy metal wastewater thereby by being collected in PH adjusting meanss 1;Make in waste water Ammonium ion be converted into amino molecule, and unnecessary hydroxide ion be present;
Alkaline high-strength ammonia nitrogen waste water introduces stripper 2, decomposes heavy metal ammino-complex, in heavy metal ion and waste water Unnecessary hydroxide ion combines, and generation precipitation, is stripped by the steam flow and Steam pressure control of control input stripper 2 The temperature of tower 2, it is 185 DEG C to make bottom temperature, and the temperature at the 10m of tower reactor top is 175 DEG C;
Then waste water is introduced into stripping tower 31, the most ammonia-nitrogen stripping in waste water is gone out, enters back into short distance nitration list Member 32, remaining ammonia nitrogen continues to be oxidized to nitrite nitrogen in the presence of ammonia oxidation bacteria after stripping, subsequently into denitrification list Member 33, in the presence of denitrifying bacteria, nitrite nitrogen is reduced into nitrogen and discharged;
The waste water after processing is finally delivered to acid adding in PH call-back devices and adjusts back PH to 6-9.
The present invention makes ammonium ion be converted into amino molecule by adding alkali in the high-concentration ammonia nitrogenous wastewater containing heavy metal, and Unnecessary hydroxide ion be present;The temperature of stripper 2 is controlled with steam pressure by the steam flow of control input stripper 2 Degree distribution, liquid temperature province certain in stripper 2 is kept for certain residence time, make heavy metal ammino-complex point Solution, and combined with hydroxide ion unnecessary in waste water, generation precipitation, so as to complete the complexing of the solution of heavy metal ammino-complex. Amino molecule is transferred to gas phase by stripper 2, so as to realize the removing of part ammonia nitrogen in waste water simultaneously.
The process that the heavy metal ammino-complex of the present invention is decomposed and combined with hydroxide ion, can pass through control input vapour The steam flow of stripper 2 controls the Temperature Distribution of stripper 2 with steam pressure, makes liquid certain temperature area in stripper 2 Domain is kept for certain residence time complete.Certain temperature region and certain residence time can be by those skilled in the art according to public affairs Know that general knowledge and experience are designed, selected.
In order to improve the stability of efficiency and technological process, between PH adjusting meanss 1 and stripper 2, stripper 2 and blow The first elevator pump 6 and the second elevator pump 7 are respectively equipped between de- device 3.
In an embodiment of the present invention, alkali lye is sodium hydroxide, calcium hydroxide, calcium oxide, potassium hydroxide, sodium carbonate or carbon One kind or at least two combination in sour potassium.Such as sodium hydroxide, sodium carbonate, potassium carbonate, calcium oxide and potassium hydroxide, hydrogen-oxygen Change sodium and potassium hydroxide, preferably sodium carbonate and potassium hydroxide etc., sodium hydroxide and/or potassium hydroxide.Can be by ammonia nitrogen in high density Waste water is adjusted to alkalescence and does not change the material of other properties of waste water all available for the implementation present invention.
In order to further improve efficiency, present treatment device is also carried out including one to stripping tower 31 and short distance nitration unit 32 The air blower 35 of aeration.Further, a heater 34 is additionally provided with inside stripping tower 31.
In order to reduce energy consumption, further, a heat exchanger 5 is provided between PH adjusting meanss 1 and stripping device 3.
In one embodiment of this invention, the composition of tower shell material of stripper 2 is metal, residence time of the waste water in stripper 2 For 10-20S.
For the ease of management, processing unit also includes PH controllers and PH sensor, for PH adjusting meanss 1 and/or PH call-back devices 4 automatically adjust.
Fig. 2 is the schematic apparatus figure of the processing system of an alternative embodiment of the invention.Processing dress as shown in Figure 2 The handling process put is as follows:
Alkali is first added to adjust PH to 10-11 containing high ammonia nitrogen heavy metal wastewater thereby by being collected in PH adjusting meanss 1;Make in waste water Ammonium ion be converted into amino molecule, and unnecessary hydroxide ion be present;
Alkaline high-strength ammonia nitrogen waste water is introduced by stripper 2 by the first elevator pump 6, decomposes heavy metal ammino-complex, Heavy metal ion is combined with hydroxide ion unnecessary in waste water, generation precipitation, passes through the steam flow of control input stripper 2 With the temperature of Steam pressure control stripper 2, it is 185 DEG C to make bottom temperature, and the temperature at the 10m of tower reactor top is 175 DEG C, and waste water exists The residence time of stripper 2 is 15S;
Waste water is introduced to the stripping tower 31 of heater 34 by the second elevator pump 7 again, using the progress of air blower 35 Aeration, the most ammonia-nitrogen stripping in waste water is gone out, enters back into short distance nitration unit 32, remaining ammonia nitrogen is in ammonia oxygen after stripping Continue to be oxidized to nitrite nitrogen in the presence of change bacterium, it is sub- in the presence of denitrifying bacteria subsequently into denitrification unit 33 Nitrate nitrogen is reduced into nitrogen and discharged;
Waste water after processing is delivered to acid adding in PH call-back devices 4 and adjusts back PH to 6-9, waste water specific as follows returns into PH After adjusting tank, the pH value detected is changed into signal specific via PH sensor and is sent to PH controllers, PH controllers are according to connecing The signal behavior opening controlling valve door received, acid adding in tank is adjusted to PH by measuring pump, when the pH value that PH probes detect connects When near, stop acid adding.Staff can read the pH value of waste water in state's regulating reservoir on meter displaying device;
Heat exchanger 5 is flowed through by outlet pipe via the hot waste water after processing, by heat exchanger 5 and again flows through heat exchange The untreated high concentration of hydrogen nitrogen waste water raw water of device 5 carries out heat exchange.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention Example property embodiment, still, still can be direct according to present disclosure without departing from the spirit and scope of the present invention It is determined that or derive many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognized It is set to and covers other all these variations or modifications.

Claims (9)

1. a kind of high ammonia nitrogen heavy metal ion industrial wastewater processing unit, including:
PH adjusting meanss, the pH value of waste water is adjusted by receiving alkali lye, for making the ammonium ion in the waste water be converted into ammonia point Son, and generate unnecessary hydroxide ion;
Stripper, it is connected with the PH adjusting meanss, for removing the heavy metal ion in the waste water;
Stripping device, its import are connected with the outlet of the stripper, and ammonia nitrogen removal processing, including phase successively are carried out to the waste water Stripping tower, short distance nitration unit and denitrification unit even;With
PH call-back devices, the outlet with the stripping device are connected, and the waste water after processing is neutralized;
Wherein, the stripper decomposes heavy metal complex, is combined with the hydroxide ion, generation precipitation.
2. processing unit according to claim 1, it is characterised in that between the PH adjusting meanss and the stripper, The first elevator pump and the second elevator pump are respectively equipped between the stripper and the stripping device.
3. processing unit according to claim 2, it is characterised in that the alkali lye is sodium hydroxide, calcium hydroxide, oxidation One kind or at least two combination in calcium, potassium hydroxide, sodium carbonate or potassium carbonate.
4. device according to claim 3, it is characterised in that also including one to the stripping tower and the short distance nitration The air blower that unit is aerated.
5. processing unit according to claim 4, it is characterised in that the stripping tower is internally provided with a heater.
6. processing unit according to claim 5, it is characterised in that characterized in that, the PH adjusting meanss with it is described A heat exchanger is provided between stripping device.
7. processing unit according to claim 6, it is characterised in that the composition of tower shell material of the stripper is metal.
8. processing unit according to claim 7, it is characterised in that the waste water is in the residence time of the stripper 10-20S。
9. processing unit according to claim 8, it is characterised in that also including PH controllers and PH sensor, for pair The PH adjusting meanss and/or PH call-back devices automatically adjust.
CN201711288248.2A 2017-12-07 2017-12-07 A kind of high ammonia nitrogen heavy metal ion industrial wastewater processing unit Pending CN107814465A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711288248.2A CN107814465A (en) 2017-12-07 2017-12-07 A kind of high ammonia nitrogen heavy metal ion industrial wastewater processing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711288248.2A CN107814465A (en) 2017-12-07 2017-12-07 A kind of high ammonia nitrogen heavy metal ion industrial wastewater processing unit

Publications (1)

Publication Number Publication Date
CN107814465A true CN107814465A (en) 2018-03-20

Family

ID=61605447

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711288248.2A Pending CN107814465A (en) 2017-12-07 2017-12-07 A kind of high ammonia nitrogen heavy metal ion industrial wastewater processing unit

Country Status (1)

Country Link
CN (1) CN107814465A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110104824A (en) * 2019-04-19 2019-08-09 中石化宁波工程有限公司 A kind of pretreatment method for wastewater of high rigidity containing ammonia

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102942280A (en) * 2012-11-14 2013-02-27 北京赛科康仑环保科技有限公司 Method for decomplexing heavy metal ammonia complex in high-concentration ammonia-nitrogen wastewater
CN105152470A (en) * 2015-08-24 2015-12-16 长沙欣皙原环保科技有限责任公司 Equipment and process for treating high-concentration ammonia-nitrogen wastewater

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102942280A (en) * 2012-11-14 2013-02-27 北京赛科康仑环保科技有限公司 Method for decomplexing heavy metal ammonia complex in high-concentration ammonia-nitrogen wastewater
CN105152470A (en) * 2015-08-24 2015-12-16 长沙欣皙原环保科技有限责任公司 Equipment and process for treating high-concentration ammonia-nitrogen wastewater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110104824A (en) * 2019-04-19 2019-08-09 中石化宁波工程有限公司 A kind of pretreatment method for wastewater of high rigidity containing ammonia

Similar Documents

Publication Publication Date Title
US11377374B2 (en) System and process for treating water
Rodrigues et al. Influence of agitation rate on the performance of an anaerobic sequencing batch reactor containing granulated biomass treating low-strength wastewater
JP2007105627A (en) Method for treating nitrate-containing waste liquid and device therefor
CN101830604A (en) Method for treating high-concentration formaldehyde wastewater by using waste alkali
CN104817157A (en) Chemical wastewater pretreatment method and sequencing-batch alkaline hydrolysis reactor
CN107540170B (en) Printing and dyeing wastewater treatment method
CN205556383U (en) Advanced oxidation advanced treatment difficult degradation industrial waste water system
CN107814465A (en) A kind of high ammonia nitrogen heavy metal ion industrial wastewater processing unit
JP5331735B2 (en) Waste water treatment apparatus and oxygen supply amount control method thereof
CN210193483U (en) Device and system for efficiently removing total nitrogen through iron-carbon catalytic reduction
JP2012066186A (en) Water treatment apparatus
CN110615485B (en) Continuous production method and application of polyferric chloride
CN106492886A (en) A kind of methods for making and using same of mixing rare metal catalyst
CN214528484U (en) Normal temperature processing system of high ammonia-nitrogen wastewater with low carbon-nitrogen ratio
CN217780902U (en) High salt effluent disposal system
CN113698022B (en) High-concentration formaldehyde wastewater treatment device and method
KR101286072B1 (en) Two-phase anaerobic digestion apparatus
CN104211208A (en) Fenton advanced oxidation system for treating landfill leachate
CN103214137A (en) Method for removing ammonia nitrogen from anaerobic digestion effluent
CN203639278U (en) Integrated device for industrial sewage treatment
CN106957101A (en) The high-efficient treatment device and handling process of a kind of water body containing microorganism
CN110921984A (en) Chinese patent medicine production wastewater treatment equipment and treatment process
CN215440419U (en) Continuous fermentation adds sterilization apparatus and continuous fermentation system of thing
CN108503088A (en) A kind of method of oxidization combination stripping processing industrial wastewater containing hydrazine
CN207016645U (en) One kind contains heavy metal and industrial waste water with high ammoniac nitrogen processing system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20180320