CN105936546A - Integrated carbon and nitrogen removal bioreactor - Google Patents
Integrated carbon and nitrogen removal bioreactor Download PDFInfo
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- CN105936546A CN105936546A CN201610367184.4A CN201610367184A CN105936546A CN 105936546 A CN105936546 A CN 105936546A CN 201610367184 A CN201610367184 A CN 201610367184A CN 105936546 A CN105936546 A CN 105936546A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
- C02F3/307—Nitrification and denitrification treatment characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
An integrated carbon and nitrogen removal bioreactor comprises a reactor body, a pedestal, a support arranged in the periphery of the reactor body, a main water inlet tube, and a main water outlet tube connected with an outside water source, the inner chamber of the reactor body is divided into a first chamber and a second chamber which are independent through a vertical separator plate, and the first chamber is connected with the second chamber through a second water inlet tube; the first chamber is an anaerobic digestion unit used for filling anaerobic granular sludge; the second chamber is sequentially divided into a water inlet area provided with an aeration device, a short-cut nitrification unit used for filling a lightweight biological carrier, an anaerobic ammoxidation unit used for filling a suspension filler, and a water outlet area from top to bottom; the bottom of the anaerobic ammoxidation unit is provided with a second mud discharge port provided with a control valve; and the water outlet area is provided with a water outlet connected with the main water outlet tube. The integrated carbon and nitrogen removal bioreactor has the advantages of full recovery and utilization of energy contained in organic matters in wastewater, low nitrogen removal cost, and realization of comprehensive productivity in the wastewater treatment process.
Description
Technical field
The present invention relates to a kind of integrated carbon and nitrogen removal bioreactor.
Background technology
Along with socioeconomic growing and industrialized acceleration, the waste water of many plant emissions
Containing substantial amounts of Organic substance and ammonia nitrogen, such as processing of farm products waste water, chemical production wastewater and anaerobism
Digestive systems etc., do not meet the wastewater discharge standard of increasingly stringent, serious pollution of water environment, cause
Water quality deterioration, is further exacerbated by water resources crisis.Additionally, in today of energy growing tension,
Need to vigorously advocate energy-saving and emission-reduction consciousness.Therefore in order to realize the sustainability of economics-environmental-resource
Development, it is necessary to improve existing sewage treatment equipment.
Anaerobic digestion/short distance nitration/anaerobic ammonia oxidation process is a kind of Highgrade integration carbon and nitrogen removal
Technique.In current technological design, normally due to the Organic substance can not simultaneously removed in waste water and
Ammonia nitrogen, causes that floor space is big, capital cost is high, handling process is complicated.If by anaerobic digestion
/ short distance nitration/anaerobic ammonia oxidation process is integrated to be carried out in the same apparatus, is possible not only to reduction and accounts for
Ground area, the capital cost that reduces, simplification handling process, reach the purpose of carbon and nitrogen removal simultaneously,
And the biogas produced in anaerobic digestion process can be used to generate electricity, and substantially increases utilization of energy
Rate.Therefore, develop a kind of integrated carbon and nitrogen removal bioreactor, there is important reality meaning
Justice.
Summary of the invention
In order to overcome existing equipment floor space greatly, costly, problem that energy consumption is big, the present invention
Providing a kind of floor space little, expense is low, the integrated carbon and nitrogen removal of the one of energy-saving and emission-reduction raw
Thing reactor.
One of the present invention integrated carbon and nitrogen removal bioreactor, including reactor originally
Body, base, be arranged on the peripheral support of reactor body, outfall sewer and for the external world
The water inlet manifold of water source connection, described reactor body and described support are all arranged on described
Base on, described water inlet manifold and described outfall sewer are erected on described support,
It is characterized in that: the inner chamber of described reactor body is separated into independent first by vertical clapboard
Chamber and the second chamber, the first described chamber is connected by the second water inlet pipe with the second chamber；Described
One chamber is the anaerobic digestion unit for loading anaerobic grain sludge；The second described chamber to
Under be divided into the inhalant region of band aerator successively, for the short distance nitration of light filling bio-carrier
Unit, for filling Anammox unit and the exhalant region of floating stuffing；Described anaerobism
Digestion unit be divided into gas collection district, reaction zone and settling zone from top to bottom, described gas collection district equipped with
Three phase separator, the outer ring in described gas collection district is provided with on downflow weir, and described downflow weir
It is provided with the second water inlet pipe for connecting with the second chamber inhalant region；Described settling zone is provided with band control
First mud discharging mouth of valve processed and the first water inlet for connecting with water inlet manifold；Described three
The top of phase separator is provided with the exhaustor connected with gas collecting apparatus；Described Anammox list
The second mud discharging mouth of belt controling valve it is provided with bottom unit；Described exhalant region be provided with for go out
The outlet of supply mains's connection.
Further, described reactor body is cuboid, the length and width height ratio of reactor body
It is 3～3.5:3.5～4.5:1.5, and described anaerobic digestion unit, inhalant region, short distance nitration
Unit, Anammox unit, the volume ratio of exhalant region are 4～5:0.08～0.1:2:1:
0.03～0.06.
Further, described aerator includes aeration tube, hollow aeration guide wire and aeration head,
Described hollow aeration guide wire is fixed on described support by securing member, wherein said
Hollow aeration guiding tube one end connects with aeration tube, and the other end is equipped with aeration head, described aeration
Head is positioned at the bottom of described short distance nitration unit.
Further, between described short distance nitration unit and Anammox unit, anaerobism ammonia oxygen
Change and between unit and exhalant region, perforated plate is all set；Arrange in described perforated plate and retain hole, hole
Footpath is 8～10mm.
Further, described short distance nitration unit is provided with hollow glass microbead biofilm carrier；
Described hollow glass microbead biofilm carrier is 0.2～0.3 relative to the proportion of water；Described
Total dosage of hollow glass microbead accounts for the 35%～40% of short distance nitration unit cumulative volume；Described
Anammox unit in have floating stuffing, described floating stuffing be K3 type carrier；Institute
The K3 type support shapes stated is cylinder, described K3 type carrier element surface area, height and
Diameter is respectively 500m2/m3, 12mm and 25mm；Described K3 type carrier relative to
The proportion of water is 0.9～1；Total dosage of described K3 type carrier accounts for Anammox unit
The 15%～35% of cumulative volume.
Further, it is provided with a circle between described gas collection district and described reaction zone protruding, described
Three phase separator bottom and described back-up ring between leave gap.
Further, described protruding vertical section is triangular structure.
Further, the bottom of described outfall sewer connects with described outlet, and described goes out
The upper end frame of supply mains is located on the support between inhalant region and short distance nitration unit.
One of the present invention integrated carbon and nitrogen removal bioreactor, it can be by lucite
Or steel plate is made.Anaerobic digestion unit directly adds anaerobic grain sludge, and lightweight is biological
Carrier directly adds from reactor body top.The method of operation of the present invention is as follows: containing Organic substance and
The waste water of ammonia nitrogen is entered anaerobic digestion unit by the first water inlet pipe, and Organic substance first passes through hydrolysis and sends out
The effect of yeast-like fungi generates volatile fatty acid, alcohols and lactic acid etc., then by hydrogen-producing acetogens
Change into acetic acid, hydrogen and carbon dioxide, utilized by methanogen the most again, be eventually converted into
Methane and carbon dioxide enters gas collecting apparatus through exhaustor, and the waste water containing ammonia nitrogen is through overflow weir flow
Enter the second water inlet pipe, then enter inhalant region through the second water inlet pipe, under aeration effect, rise gas
Stream contacts with each other with descent waterflow, and biphase high-speed circulating flows, and produces strong agitation in reaction zone
Effect, through the biomembranous catalysis of ammonia oxidation bacteria of lightweight bio-carrier surface attachment, in waste water
Part ammonia nitrogen generates nitrite nitrogen；Comprise the ammonia nitrogen of residual, the waste water of nitrite nitrogen relies on gravity from short
Journey de-nitrification unit enters Anammox unit, through floating stuffing surface and the anaerobism of internal attachment
Ammonia oxidation bacteria is catalyzed, and ammonia nitrogen and nitrite nitrogen carry out Anammox reaction, and the nitrogen of generation wears long
The space of orifice plate is discharged, and water outlet discharges reactor body through outfall sewer.Wherein, used by aeration
Described aeration tube be connected with aeration head through hollow aeration guide wire, hollow aeration can be led
Both skirt and securing member top to bottom, left and right, front and rear combine regulation or according to actual needs part are adjusted
Save thus efficiently control aeration head location, and guided by up-down adjustment hollow aeration
Pipe can efficiently control hollow glass microbead biofilm carrier position, thus controls short distance nitration
Reaction.At the integrated anaerobic digestion of single-reactor, short distance nitration and anaerobic ammonia oxidation process, should
Three kinds of techniques are formed a connecting link, long processing period, and changing effect is obvious；Secondly, perforated plate and cutting
The setting staying circular hole strengthens stability and the sludge retention ability of system；It addition, light carrier
And the Biomass that raising reactor is set of filler.Therefore, the present invention is logical in single-reactor
Cross three kinds of different reactions, the most only effectively remove containing Organic substance and the waste water of ammonia nitrogen, and have
Have that floor space is little, the advantage such as capital construction low cost and energy-saving and emission-reduction, adequately achieve economy-ring
The integrative development of border-resource.
Beneficial effects of the present invention is embodied in: (1) reactor is integrated with anaerobic digestion process, short
Journey nitration processes and anaerobic ammonia oxidation process, can realize in waste water organic removal and de-simultaneously
Nitrogen, floor space is less, and capital cost is low.(2) three kinds of reactions are formed a connecting link, wherein anaerobism
The biogas that digestion process produces recycles, and can reach to save the purpose of the energy；Short distance
Nitrification is low with the operating cost of Anammox denitrification process, it is not necessary to Organic substance, has notable warp
Ji benefit feature.(3) current rely on gravity substantially, decrease power consumption, it is achieved sustainable
Development.
Accompanying drawing explanation
Fig. 1 is the structure chart of the present invention.
Detailed description of the invention
Further illustrate the present invention below in conjunction with the accompanying drawings
Referring to the drawings:
One of the present invention integrated carbon and nitrogen removal bioreactor, including reactor body
1, base 2, be arranged on the support 3 of reactor body 1 periphery, outfall sewer and for
The water inlet manifold of external source connection, described reactor body 1 and described support 3 are all pacified
Being contained on described base 2, described water inlet manifold and described outfall sewer are erected at described
Support 3 on, the inner chamber of described reactor body 1 is separated into independent by vertical clapboard
One chamber and the second chamber, the first described chamber and the second chamber are connected by the second water inlet pipe 9；Described
The first chamber be the anaerobic digestion unit 4 for loading anaerobic grain sludge；The second described chamber
It is divided into the inhalant region 5 of band aerator the most successively, for light filling bio-carrier
Short distance nitration unit 6, for filling Anammox unit 7 and the exhalant region of floating stuffing
8；Described anaerobic digestion unit 4 is divided into gas collection district, reaction zone and settling zone from top to bottom,
Described gas collection district is provided with downflow weir equipped with three phase separator 10, the outer ring in described gas collection district
11, and described downflow weir 11 be provided with for connect with the second chamber inhalant region 5 second
Water inlet pipe 9；Described settling zone be provided with belt controling valve the first mud discharging mouth 18 and for
First water inlet 21 of water inlet manifold connection；The top of described three phase separator 10 be provided with
The exhaustor 12 of gas collecting apparatus 13 connection；It is provided with bottom described Anammox unit 7
Second mud discharging mouth 19 of belt controling valve；Described exhalant region 8 be provided with for outfall sewer
The outlet of connection.
Further, described reactor body 1 in cuboid, the length and width of reactor body 1
High ratio is 3～3.5:3.5～4.5:1.5, and described anaerobic digestion unit 4, inhalant region 5,
Short distance nitration unit 6, Anammox unit 7, the volume ratio of exhalant region 8 are 4～5:
0.08～0.1:2:1:0.03～0.06.
Further, described aerator includes aeration tube 14, hollow aeration guide wire 15 and
Aeration head 16, described hollow aeration guide wire 15 is fixed on described by securing member 17
On support 3, wherein said hollow aeration guiding tube 15 one end connects with aeration tube 14, separately
One end is positioned at described short distance nitration unit 6 equipped with aeration head 16, described aeration head 16
Bottom.
Further, between described short distance nitration unit 6 and Anammox unit 7, anaerobism
Perforated plate 21 is all set between ammonia oxidation unit 7 and exhalant region 8；In described perforated plate 21
Setting retains hole, and aperture is 8～10mm.
Further, described short distance nitration unit 6 is provided with hollow glass microbead biomembrane and carries
Body；Described hollow glass microbead biofilm carrier is 0.2～0.3 relative to the proportion of water；Institute
Total dosage of the hollow glass microbead stated accounts for the 35%～40% of short distance nitration unit 6 cumulative volume；
Having floating stuffing, described floating stuffing in described Anammox unit 7 is that K3 type carries
Body；Described K3 type support shapes is cylinder, described K3 type carrier element surface area,
Height and diameter are respectively 500m2/m3, 12mm and 25mm；Described K3 type carrier
It is 0.9～1 relative to the proportion of water；Total dosage of described K3 type carrier accounts for anaerobism ammonia oxygen
Change the 15%～35% of unit cumulative volume.
Further, it is provided with a circle between described gas collection district and described reaction zone protruding, described
Three phase separator 10 bottom and described back-up ring between leave gap.
Further, described protruding vertical section is triangular structure.
Further, the bottom of described outfall sewer connects with described outlet, and described goes out
The upper end frame of supply mains is located on the support 3 between inhalant region 5 and short distance nitration unit 6.
One of the present invention integrated carbon and nitrogen removal bioreactor, it can be by lucite
Or steel plate is made.Anaerobic digestion unit 4 directly adds anaerobic grain sludge, and lightweight is raw
Thing carrier directly adds from reactor body 1 top.The method of operation of the present invention is as follows: containing organic
The waste water of thing and ammonia nitrogen is entered anaerobic digestion unit 4 by the first water inlet pipe 21, and Organic substance is first
Volatile fatty acid, alcohols and lactic acid etc. are generated, then by producing by the effect of hydrolysed ferment bacterium
The Degradation of hydrogen acetogen and be converted to acetic acid, hydrogen and carbon dioxide, the most again by
Methanogen utilizes, and is eventually converted into methane and carbon dioxide and enters gas collection dress through exhaustor 12
Put 13, and the waste water containing ammonia nitrogen flows into the second water inlet pipe 9 through downflow weir 11, then enter through second
Water pipe 9 enters inhalant region 5, and under aeration effect, ascending air contacts with each other with descent waterflow,
Biphase high-speed circulating flows, and produces strong agitation effect in reaction zone, through lightweight bio-carrier table
The biomembranous catalysis of ammonia oxidation bacteria of face attachment, the part ammonia nitrogen in waste water generates nitrite nitrogen；Bag
Ammonia nitrogen containing residual, the waste water of nitrite nitrogen rely on gravity to enter anaerobism ammonia from short distance nitration unit 6
Oxidation unit 7, through the anaerobic ammonia oxidizing bacteria catalysis of floating stuffing surface and internal attachment, ammonia nitrogen
Carry out Anammox reaction with nitrite nitrogen, the nitrogen of generation wear long orifice plate 20 space discharge,
Water outlet discharges reactor body 1 through outfall sewer.Wherein, the described aeration tube used by aeration
14 are connected through hollow aeration guide wire 15 with aeration head 16, can be by hollow aeration guide wire
15 and securing member 17 both top to bottom, left and right, front and rear combine regulation or part according to actual needs
Regulate thus efficiently control aeration head 16 location, and exposed by up-down adjustment hollow
Conductance skirt 15 can efficiently control hollow glass microbead biofilm carrier position, thus controls
Short distance nitration processed reacts.
Content described in this specification embodiment is only the row of the way of realization to inventive concept
Lifting, protection scope of the present invention is not construed as being only limitted to the concrete shape that embodiment is stated
Formula, protection scope of the present invention also includes that those skilled in the art are caned according to present inventive concept
The equivalent technologies means expected.
Claims (8)
1. an integrated carbon and nitrogen removal bioreactor, including reactor body, base,
It is arranged on reactor body peripheral support, outfall sewer and for connecting with external source
Water inlet manifold, described reactor body and described support are all arranged on described base,
Described water inlet manifold and described outfall sewer are erected on described support, and its feature exists
In: the inner chamber of described reactor body is separated into independent the first chamber and second by vertical clapboard
Chamber, the first described chamber is connected by the second water inlet pipe with the second chamber；The first described chamber is for using
In the anaerobic digestion unit loading anaerobic grain sludge；The second described chamber is divided the most successively
Become the inhalant region of band aerator, the short distance nitration unit for light filling bio-carrier, use
In Anammox unit and the exhalant region of filling floating stuffing；Described anaerobic digestion unit
Being divided into gas collection district, reaction zone and settling zone from top to bottom, described gas collection district is equipped with three phase separation
Device, the outer ring in described gas collection district is provided with downflow weir, and described downflow weir be provided with for
The second water inlet pipe connected with the second chamber inhalant region；Described settling zone is provided with belt controling valve
First mud discharging mouth and the first water inlet for connecting with water inlet manifold；Described three phase separator
Top be provided with the exhaustor connected with gas collecting apparatus；Described Anammox unit bottom sets
It is equipped with the second mud discharging mouth of belt controling valve；Described exhalant region is provided with for outfall sewer even
Logical outlet.
A kind of integrated carbon and nitrogen removal bioreactor the most as claimed in claim 1, it is special
Levying and be: described reactor body is cuboid, the length and width height ratio of reactor body is
3～3.5:3.5～4.5:1.5, and described anaerobic digestion unit, inhalant region, short distance nitration list
Unit, the volume ratio of Anammox unit, exhalant region are 4～5:0.08～0.1:2:1:
0.03～0.06.
A kind of integrated carbon and nitrogen removal bioreactor the most as claimed in claim 2, it is special
Levy and be: described aerator includes aeration tube, hollow aeration guide wire and aeration head, institute
The hollow aeration guide wire stated is fixed on described support by securing member, wherein said in
Empty aeration guiding tube one end connects with aeration tube, and the other end is equipped with aeration head, described aeration head
It is positioned at the bottom of described short distance nitration unit.
A kind of integrated carbon and nitrogen removal bioreactor the most as claimed in claim 2, it is special
Levy and be: between described short distance nitration unit and Anammox unit, Anammox list
Between unit and exhalant region, perforated plate is all set；Arranging in described perforated plate and retain hole, aperture is
8～10mm.
A kind of integrated carbon and nitrogen removal bioreactor the most as claimed in claim 4, it is special
Levy and be: described short distance nitration unit is provided with hollow glass microbead biofilm carrier；Described
Hollow glass microbead biofilm carrier be 0.2～0.3 relative to the proportion of water；Described hollow
Total dosage of glass microballoon accounts for the 35%～40% of short distance nitration unit cumulative volume；Described detests
Having floating stuffing, described floating stuffing in anaerobic ammonium oxidation unit is K3 type carrier；Described
K3 type support shapes is cylinder, described K3 type carrier element surface area, height and diameter
It is respectively 500m2/m3, 12mm and 25mm；Described K3 type carrier is relative to water
Proportion is 0.9～1；It is overall that total dosage of described K3 type carrier accounts for Anammox unit
Long-pending 15%～35%.
A kind of integrated carbon and nitrogen removal bioreactor the most as claimed in claim 1, it is special
Levy and be: be provided with a circle between described gas collection district and described reaction zone protruding, described three
Gap is left between bottom and the described back-up ring of phase separator.
A kind of integrated carbon and nitrogen removal bioreactor the most as claimed in claim 6, it is special
Levy and be: described protruding vertical section is triangular structure.
A kind of integrated carbon and nitrogen removal bioreactor the most as claimed in claim 1, it is special
Levying and be: the bottom of described outfall sewer connects with described outlet, described water outlet is total
The upper end frame of pipe is located on the support between inhalant region and short distance nitration unit.
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| CN201610367184.4A CN105936546A (en) | 2016-05-27 | 2016-05-27 | Integrated carbon and nitrogen removal bioreactor |
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| CN106630152A (en) * | 2017-03-17 | 2017-05-10 | 广西春晖环保工程有限责任公司 | Batch-type integrated denitridation reactor |
| CN107176680A (en) * | 2017-06-29 | 2017-09-19 | 安徽国能亿盛环保科技有限公司 | Closed type nitrobacteria denitrogenates sewage-treatment plant |
| CN107265641A (en) * | 2017-03-16 | 2017-10-20 | 泉州华大环保科技有限公司 | A kind of high-enriched organics, the biological treatment device of ammonia nitrogen waste water and its application method |
| CN107487850A (en) * | 2017-09-27 | 2017-12-19 | 大连大学 | A kind of saprobia removes Analysis and its application method |
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| CN114149077A (en) * | 2021-11-27 | 2022-03-08 | 浙江沃乐环境科技有限公司 | Integrated wastewater synchronous denitrification and defluorination reactor device and use method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265641A (en) * | 2017-03-16 | 2017-10-20 | 泉州华大环保科技有限公司 | A kind of high-enriched organics, the biological treatment device of ammonia nitrogen waste water and its application method |
| CN106630152A (en) * | 2017-03-17 | 2017-05-10 | 广西春晖环保工程有限责任公司 | Batch-type integrated denitridation reactor |
| CN106630152B (en) * | 2017-03-17 | 2023-07-11 | 广西春晖环保工程有限责任公司 | Intermittent integrated denitrification reactor |
| CN107176680A (en) * | 2017-06-29 | 2017-09-19 | 安徽国能亿盛环保科技有限公司 | Closed type nitrobacteria denitrogenates sewage-treatment plant |
| CN107487850A (en) * | 2017-09-27 | 2017-12-19 | 大连大学 | A kind of saprobia removes Analysis and its application method |
| CN110275004A (en) * | 2019-07-08 | 2019-09-24 | 中国环境科学研究院 | Black and odorous water simulator |
| CN114149077A (en) * | 2021-11-27 | 2022-03-08 | 浙江沃乐环境科技有限公司 | Integrated wastewater synchronous denitrification and defluorination reactor device and use method thereof |
| CN114149077B (en) * | 2021-11-27 | 2023-02-14 | 浙江沃乐环境科技有限公司 | Integrated wastewater synchronous denitrification and defluorination reactor device and use method thereof |
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Application publication date: 20160914 |