CN106927533A - A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device - Google Patents
A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device Download PDFInfo
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- CN106927533A CN106927533A CN201710220023.7A CN201710220023A CN106927533A CN 106927533 A CN106927533 A CN 106927533A CN 201710220023 A CN201710220023 A CN 201710220023A CN 106927533 A CN106927533 A CN 106927533A
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- ammonia
- tower
- absorbing liquid
- import
- gas
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 156
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 78
- 230000009615 deamination Effects 0.000 title claims abstract description 31
- 238000006481 deamination reaction Methods 0.000 title claims abstract description 31
- 238000011084 recovery Methods 0.000 title claims abstract description 12
- 230000008676 import Effects 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 239000012530 fluid Substances 0.000 claims abstract description 28
- 238000000605 extraction Methods 0.000 claims abstract description 12
- 238000005202 decontamination Methods 0.000 claims abstract description 11
- 230000003588 decontaminative effect Effects 0.000 claims abstract description 11
- 239000002250 absorbent Substances 0.000 claims abstract description 4
- 230000002745 absorbent Effects 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000002351 wastewater Substances 0.000 claims description 11
- 238000010992 reflux Methods 0.000 claims description 7
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 5
- 241000628997 Flos Species 0.000 claims description 4
- 239000003002 pH adjusting agent Substances 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- RHDUVDHGVHBHCL-UHFFFAOYSA-N niobium tantalum Chemical compound [Nb].[Ta] RHDUVDHGVHBHCL-UHFFFAOYSA-N 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0033—Other features
- B01D5/0039—Recuperation of heat, e.g. use of heat pump(s), compression
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/022—Preparation of aqueous ammonia solutions, i.e. ammonia water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/06—Pressure conditions
- C02F2301/063—Underpressure, vacuum
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device, including pipe-line mixer, preheater, negative pressure deammoniation tower, condenser, knockout drum, it is additionally provided with ammonia washer, ammonia washer includes housing, the gas feed of housing tip, circulation fluid import, the absorbing liquid charging aperture of housing upper end, gas discharge outlet, the absorbing liquid extraction mouth of housing bottom, circulation fluid is exported, condenser-air is exported, gas separate pot gas vent connects ammonia washer gas feed, ammonia washer absorbing liquid charging aperture connects absorbent pipeline, ammonia washer gas discharge outlet connects ammonia decontamination tower air inlet, ammonia washer absorbing liquid extraction mouth connection product pipeline, absorbing liquid extraction pump is provided with product pipeline, the outlet of ammonia washer circulation fluid connects circulation fluid import by circulating line, circulation is provided with circulating line and washes ammonia pump and cooler.Low energy consumption, energy-conserving and environment-protective and resourcebility are reclaimed.
Description
Technical field
The present invention relates to nitrogen-containing wastewater Treatment and recovery field, and in particular to a kind of high-efficiency and energy-saving type low-temperature negative-pressure takes off
Ammonia and ammonia recovery system device.
Background technology
The industry such as non-ferrous metal and coking, chemical industry, metallurgy such as ternary material, rare earth, zirconium, niobium tantalum can produce substantial amounts of height
Concentration ammonia nitrogen wastewater.At present, the deamination technology that this class ammonia nitrogen waste water is generally used mainly has air stripping and stripping rectifying.Pass
System stripping process cannot realize the efficient removal of ammonia, and strip rectification process and often there is a problem of that steam consumption is big, while
Two kinds of techniques all have that tail gas ammonia content is unable to stably reaching standard or recovery ammonia approach is single.
The content of the invention
The present invention is in view of the shortcomings of the prior art, there is provided the height that a kind of low energy consumption, energy-conserving and environment-protective and resourcebility are reclaimed
Effect energy-saving low-temperature negative pressure deamination and ammonia recovery system device.
To realize the object of the invention, there is provided following technical scheme：A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia are returned
Receive system and device, including pipe-line mixer, preheater, negative pressure deammoniation tower, condenser, knockout drum, nitrogen-containing wastewater water inlet
Connecting pipe of pipeline road blender import, pH adjusting agent feed pipe connecting pipe blender dosing mouth, pipe-line mixer outlet connects
The import of preheater first is connect, negative pressure deammoniation tower includes tower body, is arranged at the charging aperture on the nearly top of tower body, is arranged at tower body top
Gas vent, set with the steam inlet of the nearly bottom of tower body, be arranged at the deamination water out of tower body bottom and be arranged at tower body
The phegma import on nearly top, preheater first outlet connection negative pressure deammoniation tower charging aperture, jet chimney connection negative pressure deammoniation tower
Steam inlet, negative pressure deammoniation tower deamination water out connects the import of preheater second, preheater second outlet by deamination waterpipe
Connection deamination water discharge of wastewater pipeline, is provided with tower reactor and goes out water pump on deamination waterpipe, condenser includes gas feed, condensate liquid
Outlet, gas vent, the connection condenser-air import of negative pressure deammoniation tower gas vent, condenser condensate outlet connection gas point
From tank import, gas separate pot outlet connection phegma circulating line, phegma circulating line connection negative pressure deammoniation tower phegma
Import, reflux pump is provided with phegma circulating line, it is characterised in that be additionally provided with ammonia washer, and ammonia washer includes housing, housing
Demister, the gas feed on ejector top, the circulation fluid import of ejector top opposite side in interior ejector, housing,
The absorbing liquid charging aperture of housing upper end, gas discharge outlet, the absorbing liquid extraction mouth of housing bottom, circulation fluid outlet, condenser gas
Body outlet, the connection ammonia washer gas feed of gas separate pot gas vent, ammonia washer absorbing liquid charging aperture connection absorbent pipeline,
Ammonia washer gas discharge outlet connects ammonia decontamination tower air inlet, ammonia washer absorbing liquid extraction mouth connection product pipeline, product pipeline
On be provided with absorbing liquid extraction pump, ammonia washer circulation fluid outlet by circulating line connection circulation fluid import, set on circulating line
It is equipped with circulation and washes ammonia pump and cooler.
Preferably, being provided with heat exchanger, phegma between condenser-air import and negative pressure deammoniation tower gas vent
Circulating line reconnects negative pressure deammoniation tower phegma import after heat exchanger exchanges heat.
Preferably, ammonia decontamination tower includes that tower body, tower body bottom set circulation fluid outlet, tower body middle part and set circulation fluid
Import, tower body top set absorbing liquid first charging aperture, tower body middle part and are provided with absorbing liquid second charging aperture, tower body top and set
There is floss hole, absorbing liquid second charging aperture connects gas separate pot and exports by pipeline, and the connection of absorbing liquid first charging aperture absorbs
Agent pipeline, circulation fluid outlet connects circulation fluid import and product line by reflux pump.
Beneficial effect of the present invention：(1) by setting ammonia washer, for front end deamination system provides negative pressure, deamination system is reduced
System temperature, saves steam consumption, improves ammonia removal efficiency；
(2) heat exchanger is set by between negative pressure deammoniation tower and condenser, with phegma heat exchange, improves backflow liquid temperature
Degree, saves negative pressure deammoniation tower steam consumption and condenser heat exchange area, and then reduces investment outlay and floor space, saves circulating cooling
Water consumption；
(3) recovery ammonia point at two is set, it is ensured that when equipment fault or ammonia density high, tail gas still can be with qualified discharge；And root
The product of variety classes and ratio can be simultaneously reclaimed according to the difference of absorbing liquid；Realize that the high value of ammonia nitrogen resource is returned as needed
Receive.
Brief description of the drawings
Fig. 1 is system schematic of the invention.
Fig. 2 is ammonia absorber structural representation in Fig. 1.
Specific embodiment
Embodiment 1：A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device, including it is pipe-line mixer 1, pre-
Hot device 2, negative pressure deammoniation tower 3, condenser 4, knockout drum 5, the connecting pipe blender import of nitrogen-containing wastewater inlet channel 6
1.1, the connecting pipe blender dosing mouth 1.2 of pH adjusting agent feed pipe 7, pipe-line mixer outlet 1.3 connects preheater first
Import 2.1, negative pressure deammoniation tower 3 includes tower body 3.1, is arranged at the charging aperture 3.2 on the nearly top of tower body 3.1, is arranged at tower body 3.1 and pushes up
The gas vent 3.3 at end, set to go out with the steam inlet 3.4 of the nearly bottom of tower body 3.1, the deamination water for being arranged at the bottom of tower body 3.1
Mouthfuls 3.5 and the phegma import 3.6 on the nearly top of tower body 3.1 is arranged at, the connection negative pressure of preheater first outlet 2.2 deammoniation tower 3
Charging aperture 3.2, the steam inlet 3.4 of the connection negative pressure of jet chimney 8 deammoniation tower 3, the deamination water out 3.5 of negative pressure deammoniation tower 3 is by de-
Second import of the connection preheater of ammoniacal liquor pipeline 9 2.3, the connection deamination water discharge of wastewater of preheater second outlet 2.4 pipeline 10, deamination
Tower reactor is provided with waterpipe 9 and goes out water pump 11, condenser 4 includes gas feed 4.1, condensate outlet 4.2, gas vent 4.3,
The connection condenser-air of 3 gas vent of negative pressure deammoniation tower 3.3 import 4.1, the connection gas separate pot of condenser condensate outlet 4.2
Import 5.1, gas separate pot outlet 5.2 connects phegma circulating line 12, the connection negative pressure deammoniation tower of phegma circulating line 12
Phegma import 3.6, is provided with reflux pump 13 on phegma circulating line 12, be additionally provided with ammonia washer 14, and ammonia washer 14 includes shell
The demister 14.3 in ejector 14.2, housing 14.1 in body 14.1, housing 14.1, the gas feed on the top of ejector 14.1
14.4th, the circulation fluid import 14.5 of the top opposite side of ejector 14.2, the absorbing liquid charging aperture 14.6, gas of the upper end of housing 14.1
Floss hole 14.7, absorbing liquid extraction mouth 14.8, the circulation fluid outlet 14.9 of the bottom of housing 14.1, condenser-air outlet 4.3, gas
The connection ammonia washer of body knockout drum gas vent 5.3 gas feed 14.4, the connection absorber tube of ammonia washer absorbing liquid charging aperture 14.6
Road 15, the air inlet 16.5 of the connection ammonia decontamination of ammonia washer gas discharge outlet 14.7 tower 16, ammonia washer absorbing liquid extraction mouth 14.8 connects
Product pipeline 17 is connect, absorbing liquid extraction pump 18 is provided with product pipeline 17, ammonia washer circulation fluid outlet 14.9 passes through circulation pipe
Road connects circulation fluid import 14.5, circulation is provided with circulating line and washes ammonia pump 20 and cooler 21.Ammonia decontamination tower 16 is wrapped
Include tower body, tower body bottom and circulation fluid outlet 16.1, tower body middle part is set and circulation fluid import 16.2, tower body top is set and is set and absorb
Liquid first charging aperture 16.3, tower body middle part is provided with absorbing liquid second charging aperture 16.4, tower body top and is provided with floss hole 16.5,
Absorbing liquid second charging aperture 16.4 connects gas separate pot and exports 5.2 by pipeline, and the connection of absorbing liquid first charging aperture 16.3 is inhaled
Agent pipeline 15 is received, circulation fluid outlet 16.1 connects circulation fluid import 16.2 and product line 22 by reflux pump 13.
Embodiment 2：With reference to embodiment 1, other feature invariants, condenser-air import 4.1 goes out with negative pressure deammoniation tower gas
Heat exchanger 23 is provided between mouth 3.3, phegma circulating line 12 reconnects negative pressure deamination after heat exchanger 23 exchanges heat
Tower phegma import 3.6.
It is alkalescence that nitrogen-containing wastewater adds pH adjusting agent regulation wastewater pH through pipe-line mixer, is gone out with tower reactor by preheater
Water enters negative pressure deammoniation tower after being exchanged heat, and counter current contacting is carried out with steam in tower, and steam is passed with ammonia-containing water in tower
Matter is conducted heat, and ammonia nitrogen is converted into ammonia removing during ammonia-containing water to bottom of towe, to deamination waste water is produced during bottom of towe, by tower reactor water outlet
Outside pump and preheater heel row out-of-bounds；Tower top is enriched with high concentration ammonia-containing gas, enters cold after being exchanged heat with phegma through over-heat-exchanger
Condenser, the ammoniacal liquor that condenser is condensed out is back to negative pressure deammoniation tower through reflux pump；Heat exchanger improves the temperature of phegma,
Therefore the steam consumption of deamination is saved, the temperature of ammonia-containing gas is reduced, so as to reduce the temperature of condenser, throwing is saved
Rate are used；
Enter super ammonia washer from absorbing liquid out-of-bounds, ammonia pump is washed in super ammonia washer interior circulation through circulation, and in porch
Highly concentrated ammonia in suction cooler and knockout drum, makes the deamination system of leading portion maintain negative pressure, so as to reduce deamination temperature
Degree, saves steam consumption；
Circulation is washed and cooler is set between ammonia pump and super ammonia washer, reduces the temperature of absorbing liquid, improves absorption efficiency；
The unabsorbed a small amount of pneumatic transmission of fixed gas containing ammonia of ammonia washer enters ammonia decontamination tower, by the absorbing liquid in ammonia decontamination tower by spray
Drench circulating pump to absorb, ammonia decontamination Ta Ta tops set absorbing liquid charging aperture, it is ensured that tail gas qualified discharge.
Different as needed, the absorbing liquid of super ammonia washer and the absorbing liquid of ammonia decontamination tower can be different mediums, no
With concentration and ratio, so as to the high value for realizing ammonia is reclaimed.
Claims (3)
1. a kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device, including pipe-line mixer, preheater, negative pressure take off
Ammonia tower, condenser, knockout drum, nitrogen-containing wastewater inlet channel connecting pipe blender import, pH adjusting agent feed pipe
Connecting pipe blender dosing mouth, the pipe-line mixer outlet connection import of preheater first, negative pressure deammoniation tower includes tower body, sets
Charging aperture in the nearly top of tower body, the gas vent for being arranged at tower body top, set with the steam inlet of the nearly bottom of tower body, set
In tower body bottom deamination water out and be arranged at the phegma import on the nearly top of tower body, preheater first outlet connection negative pressure
Deammoniation tower charging aperture, jet chimney connection negative pressure deammoniation tower steam inlet, negative pressure deammoniation tower deamination water out passes through deamination water pipe
Road connects the import of preheater second, and preheater second outlet connection deamination water discharge of wastewater pipeline is provided with deamination waterpipe
Tower reactor goes out water pump, and condenser includes gas feed, condensate outlet, gas vent, the connection condensation of negative pressure deammoniation tower gas vent
Device gas feed, the connection gas separate pot import of condenser condensate outlet, gas separate pot outlet connection phegma circulation pipe
Road, phegma circulating line connection negative pressure deammoniation tower phegma import, is provided with reflux pump, its feature on phegma circulating line
It is to be additionally provided with ammonia washer, ammonia washer includes ejector, the demister in housing, the gas on ejector top in housing, housing
Body import, the circulation fluid import of ejector top opposite side, the absorbing liquid charging aperture of housing upper end, gas discharge outlet, housing bottom
The absorbing liquid extraction mouth at end, circulation fluid outlet, condenser-air outlet, gas separate pot gas vent connection ammonia washer gas enter
Mouthful, ammonia washer absorbing liquid charging aperture connection absorbent pipeline, ammonia washer gas discharge outlet connection ammonia decontamination tower air inlet washes ammonia
Device absorbing liquid extraction mouth connection product pipeline, is provided with absorbing liquid extraction pump on product pipeline, the outlet of ammonia washer circulation fluid passes through
Circulating line connects circulation fluid import, circulation is provided with circulating line and washes ammonia pump and cooler.
2. a kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination according to claim 1 and ammonia recovery system device, its feature exist
Heat exchanger is provided between condenser-air import and negative pressure deammoniation tower gas vent, phegma circulating line is handed over by heat
Negative pressure deammoniation tower phegma import is reconnected after parallel operation heat exchange.
3. a kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination according to claim 1 and ammonia recovery system device, its feature exist
Include that tower body, tower body bottom set circulation fluid outlet, tower body middle part and set circulation fluid import, tower body top and set in ammonia decontamination tower
Absorbing liquid first charging aperture, tower body middle part is put to be provided with absorbing liquid second charging aperture, tower body top and be provided with floss hole, absorbing liquid
Second charging aperture connects gas separate pot and exports by pipeline, and absorbing liquid first charging aperture connection absorbent pipeline, circulation fluid goes out
Mouth connects circulation fluid import and product line by reflux pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710220023.7A CN106927533A (en) | 2017-04-06 | 2017-04-06 | A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710220023.7A CN106927533A (en) | 2017-04-06 | 2017-04-06 | A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device |
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| Publication Number | Publication Date |
|---|---|
| CN106927533A true CN106927533A (en) | 2017-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710220023.7A Pending CN106927533A (en) | 2017-04-06 | 2017-04-06 | A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585816A (en) * | 2017-09-30 | 2018-01-16 | 江苏迈克化工机械有限公司 | A kind of low-concentration ammonia-nitrogen removes equipment |
| CN108218082A (en) * | 2018-02-01 | 2018-06-29 | 四川思达能环保科技有限公司 | A kind of ternary anode material precursor preparation process liquid waste treatment system |
| CN108585093A (en) * | 2018-04-09 | 2018-09-28 | 江苏凯利美环保科技有限公司 | The processing recycling ammonium hydrogen carbonate system and its processing recovery process of landfill leachate |
| CN112691398A (en) * | 2020-12-22 | 2021-04-23 | 无锡荣丰生物工程有限公司 | Multi-effect continuous deamination evaporation system and method for deaminating valine by using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107585816A (en) * | 2017-09-30 | 2018-01-16 | 江苏迈克化工机械有限公司 | A kind of low-concentration ammonia-nitrogen removes equipment |
| CN108218082A (en) * | 2018-02-01 | 2018-06-29 | 四川思达能环保科技有限公司 | A kind of ternary anode material precursor preparation process liquid waste treatment system |
| CN108585093A (en) * | 2018-04-09 | 2018-09-28 | 江苏凯利美环保科技有限公司 | The processing recycling ammonium hydrogen carbonate system and its processing recovery process of landfill leachate |
| CN112691398A (en) * | 2020-12-22 | 2021-04-23 | 无锡荣丰生物工程有限公司 | Multi-effect continuous deamination evaporation system and method for deaminating valine by using same |
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Application publication date: 20170707 |
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