CN207601062U - The device of Quantitative detection water body Dissolved Organic Matter bioactivity - Google Patents
The device of Quantitative detection water body Dissolved Organic Matter bioactivity Download PDFInfo
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- CN207601062U CN207601062U CN201721318669.0U CN201721318669U CN207601062U CN 207601062 U CN207601062 U CN 207601062U CN 201721318669 U CN201721318669 U CN 201721318669U CN 207601062 U CN207601062 U CN 207601062U
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- 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
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Abstract
The utility model discloses a kind of device for being based on biofilm reactor Quantitative detection water body Dissolved Organic Matter (DOM) bioactivity.Include the biofilm reactor of at least four series connection；The biofilm reactor includes water inlet, water outlet and aeration opening；The aeration opening is connected with aerator；The biofilm reactor according to sample flow direction be followed successively by the first stage reactor, the second stage reactor ... N stage reactors, N is the integer more than or equal to 4, wherein the water outlet of previous stage reactor connects the water inlet of latter stage reactor by connecting pipe in adjacent two-stage reactor；The water outlet of the biofilm reactor is provided with sample tap.The device of the utility model is capable of the bioactivity of Quantitative detection water body DOM, moreover it is possible to obtain the different DOM samples of bioactivity degree, carry out next step analysis.The device and method take short, efficient, applied widely.
Description
Technical field
The utility model belongs to environmental analysis field, and in particular to a kind of Quantitative detection based on biofilm reactor
The device of water body Dissolved Organic Matter (DOM) bioactivity.
Background technology
The bioactivity of Dissolved Organic Matter (DOM) refers in water body that DOM can be metabolized and utilization level by different oxygen animalcule,
Mainly include activity DOM, semiactive DOM and DOM three parts difficult to degrade, be assessment aqueous bio stability leading indicator it
One, the carbon nitrogen reduction plans for being mainly used to predict and weigh at present in natural water body and carbon nitrogen library cycle and prediction water body disappear
The potential generation trend of toxic byproduct.
Existing DOM bioactivity detection method is mainly static Inoculated culture, and this method includes dense with native bacterium
Biomembrane cultivation of the contracting liquid as the outstanding consumption cultivation of inoculum and using aufwuch membrane material as inoculum, two methods
It is that the water sample to be checked containing DOM is obtained by filtration in water sample to be checked, is inoculated with the constant temperature under the conditions of 20 DEG C and is protected from light culture, measure culture
The DOM concentration of front and rear water sample to be checked.Maitland culture incubation time is 28 days under normal circumstances, and biomembrane cultivation is 10 days.
Although static Inoculated culture is simple and practicable, and can carry out batch while measure, minute is longer, and determination efficiency is relatively low,
It is difficult to the true characteristic of biological activity of accurate quantitative analysis reflection water body DOM.In addition, static Inoculated culture is by DOM concentration, inoculation
The parameters such as source, inoculum concentration and condition of culture influence, and this method has related parameter not yet unified at present, limits it in different water body rings
Application under the conditions of border and various concentration.
Utility model content
The purpose of this utility model is that based on biofilm reactor, provide it is a kind of it is quick, efficiently, quantitative, applicability is wide
Measure water body DOM bioactivity device, solve existing water body DOM biological activity determinations time-consuming, efficiency is low, operation is not united
One the problems such as, is conducive to really assess the biological stability of the wide water body of DOM concentration ranges.
To achieve the above object, technical solution adopted in the utility model is a kind of Quantitative detection water body dissolving
Property Organic biological activity device, include at least four series connection biofilm reactor；
The biofilm reactor includes water inlet, water outlet and aeration opening；The aeration opening is connected with aerator；
The biofilm reactor according to sample flow direction be followed successively by the first stage reactor, the second stage reactor ...
N stage reactors, N is the integer more than or equal to 4, wherein the water outlet of previous stage reactor passes through company in adjacent two-stage reactor
Take over road connects the water inlet of latter stage reactor, and the water inlet of the first stage reactor is connected with sampling device；
The water outlet of the biofilm reactor is provided with sample tap.
The device of the quick detection water body Dissolved Organic Matter bioactivity further includes water-delivery pump and aeration pump；
The sampling device includes sample bottle and sample feeding pipe；
The sample bottle connects the water inlet of first stage reactor by sample feeding pipe；
The water-delivery pump have it is N number of, be serially connected with respectively in sample feeding pipe and each connecting pipe in；
The aeration pump connects the aerator.
The water inlet of the biofilm reactor is located at biofilm reactor bottom, and water outlet is located at biofilm reactor top
Portion, aeration opening are located at biofilm reactor bottom.
Exhaust outlet is equipped at the top of the biofilm reactor.
The water inlet of biofilm reactor bottom is conveyed for water pump, and top water outlet is discharged for overflow, four biomembrane reactions
The inflow and outflow rate of device is identical.
Further, porous glass beads are filled in the biofilm reactor as biofilm carrier.
Further, the N is preferably four, and first order biofilm reactor to fourth stage biofilm reactor holds
Product is sequentially increased.
As the further preferred of the utility model, the volume of the second level to fourth stage biofilm reactor is successively
5 times, 6 times and 12 times of first order biofilm reactor volume.
Further, N number of water-delivery pump is N number of channel of same water-delivery pump.
Further, the aeration pump is equipped with sterile filter, and aperture is 0.22 μm.
Further, the biofilm reactor is cylinder, and material is unorganic glass, and outside is protected from light.
Further, the sample bottle material is unorganic glass, and outside is protected from light, by sterile carbon-free processing.
Further, valve is equipped at the sample tap.
As the further preferred of the utility model, the porous glass beads grain size is 1-3mm, and aperture is 60-100 μ
M, specific surface area are 70-100m2/ L, is suitable for microorganism to grow nonparasitically upon another plant.
As the further preferred of the utility model, the filling proportion of porous glass beads is in the biofilm reactor
90% -95%.
Further, the sample feeding pipe or connecting pipe are hose.
Further, the sample bottleneck is provided with sterile rubber stopper, the sample feeding pipe pass through the sterile rubber stopper with
It is connected in sample bottle.
Further, the aeration pump discharge is provided with sterile filter.
A kind of dress based on biofilm reactor Quantitative detection water body DOM bioactivity described in the utility model
It puts, application method includes the following steps：
(1) biofilm is cultivated：
Natural river water, lake water, seawater or sewage and waste water are acquired as inoculation water body, will inoculation water body by sampling device,
Each biofilm reactor is sequentially input by the water inlet of the first order biofilm reactor；Aerator is opened, it will
Filtrated air is passed through each biofilm reactor by the aeration opening, and oxygen is provided for biofilm formation；Every 2 days from
The sample tap of the N stage reactors collects final outflow water water sample, when the adjacent organic carbon of final outflow water water sample taken twice
The difference of value be less than or equal to 1mg/L when, preferably smaller than equal to 0.5mg/L when, biofilm terminates；It is inoculated with during this micro- in water body
Biology is attached to the porous glass beads surface in the biofilm reactor, and the DOM being inoculated in water body promotes micro- as carbon source
Biological concentration forms biomembrane；
(2) sample detection：
(1) aperture is used to be filtered for 0.7 μm of carbon-free filter membrane water sample to be checked；
(2) by the water sample to be checked after filtering by sampling device, by the first order biofilm reactor water inlet according to
Secondary input each biofilm reactor, opens aerator and filtrated air is passed through each life by the aeration opening
Object membrane reactor, the water outlet water sample of each biofilm reactor is collected from the sample tap, and is labeled as No. 1 water successively
Sample, No. 2 water samples ... N water samples correspond to water outlet water sample, the second level biofilm reactor of first order biofilm reactor respectively
Water outlet water sample ... the water outlet water sample of N grades of biofilm reactors；
(3) respectively measure filtering after water sample to be checked and No. 1, No. 2 ... the dissolved organic carbon (DOC) of N water samples is dense
Degree；
(4) bioactivity of water sample DOM to be checked is calculated：
The following numerical model of organic carbon value of water sample measured by step (3) is fitted：
DOCN=C1e-k 1 t+C2e-k 2 t+C3e0
Wherein, DOCNFor the dissolved organic carbon value of N water samples, t is the total hrt of N water samples, k1With
k2For the constant in non-curve matching, e is natural constant, and the total hrt of N water samples is determined by the following formula：N
Number water sample total hrt t=(first order biofilm reactor volume+second level biofilm reactor volume+...+the
N grades of biofilm reactor volumes)/flow velocity, the hydraulic detention time of water sample to be checked is 0；C1For in water sample to be checked activity DOC it is dense
Degree, C2For the concentration of semiactive DOC in water sample to be checked, C3Concentration for DOC difficult to degrade in water sample to be checked.
Further, the sum of total hrt of water outlet water sample of each biofilm reactor is preferably greater than
Equal to 96 hours.
Further, the quantity of the biofilm reactor is four, the water outlet water sample of each of which biofilm reactor
Hydraulic detention time is followed successively by 4 hours, 20 hours, 24 hours and 48 hours.
The carbon-free glass that water body is less than or equal to 30 μm before sampling device is passed through by aperture is inoculated in the step (1)
Fibrous filter membrane filters.
The method that organic carbon value is detected in the step (1) and step (2) is with TOC analysis-e/or determinings.
The principle of the utility model is with advantage：
The utility model provides a kind of dress based on biofilm reactor Quantitative detection water body DOM bioactivity
Put, using the device can quickly, efficiently, the bioactivity of Accurate Determining water body DOM.By by different size biofilm reactors
It is connected in series with, has both realized the quick detection of water body DOM bioactivity, also obtain the water sample of different DOM bioactivity, favorably
It is analyzed in next step.Using this device detect, take it is short, efficient, applicability is wide.
For biofilm reactor after cultivating biofilm, micro organism quantity is more in the utility model, and activity is strong, intensity of degrading
Greatly, the DOM degradation rates of static Inoculated culture several months can be realized in several days.Multiple biofilm reactors are connected in series with, are had
Effect has buffered high concentration DOM water samples to the impact load of biomembrane in biofilm reactor, it can be achieved that high concentration DOM and low concentration
Efficient, the accurate detection of DOM water bodys, suitable for natural surface water body, man-made surface water body and town sewage waste water water body
Biochemical characteristic detects.
The utility model, as biofilm reactor material, can effectively avoid biofilm reactor in itself using unorganic glass
Absorption to DOM；Using sterile aeration mode, sufficient oxygen is both provided for biofilm reactor, is in turn avoided in air
The influence to environment in biofilm reactor of microorganism and organic matter；Using the porous glass beads of bigger serface as micro-
Bio-carrier provides sufficient surface area for microorganism enrichment and biofilm formation；Entire detection device is under the conditions of being protected from light
Operation, avoids influence of the light degradation to DOM.
The pretreatment of water sample to be checked is to be checked with the carbon-free glass fiber filter filtering that aperture is 0.7 μm in the utility model
Water sample；It filters off in addition to the granulating material in water sample to be checked, and carbon-free glass fiber filter is used to eliminate on filter membrane to have
Machine object and the potential interference of microorganism.
The utility model is intended by the DOC concentration numerical models for being discharged biofilm reactors multiple in reaction unit
It closes, realizes the specific quantization of activity, semiactive and DOM difficult to degrade in water sample, it is totally biodegradable with water sample can only be obtained
The static Inoculated culture of DOM concentration is compared, and has further deepened the understanding to water sample DOM bioactivity.The device and method
Can quickly, efficiently, the bioactivity of Accurate Determining water body DOM, while the different DOM samples of bioactivity can be obtained.It should
Device and method can be widely applied to the analysis of the Water quality monitorings such as river, lake, ocean, sewage.
Description of the drawings
Fig. 1 is the schematic diagram of device described in the utility model；
Wherein, arrow represents flow and aeration direction, and 1 is sample bottle, and 2 be sterile rubber stopper, and 3 be sample feeding pipe, and 4 be water delivery
Pump, 5 be aeration pump, and 6 be sterile filter, and 7 be the first stage reactor, and 8 be the second stage reactor, and 9 be third stage reactor, and 10 are
Fourth stage reactor, 11 be water inlet, and 12 be water outlet, and 13 be sample tap, and 14 be aeration head, and 15 be aeration opening, and 16 be hose,
17 be exhaust outlet, and 18 be porous glass beads.
Specific embodiment
As shown in Figure 1, a kind of device of Quantitative detection water body Dissolved Organic Matter (DOM) bioactivity, including 4
The biofilm reactor of series connection；
The biofilm reactor includes water inlet, water outlet and aeration opening；The aeration opening is connected with aerator；
The biofilm reactor according to sample flow direction be followed successively by the first stage reactor, the second stage reactor ...
N stage reactors, N is equal to 4, wherein after the water outlet of previous stage reactor is connected by connecting pipe in adjacent two-stage reactor
The water inlet of first-stage reactor, the water inlet of the first stage reactor are connected with sampling device；
The water outlet of the biofilm reactor is provided with sample tap.
The device of the quick detection water body Dissolved Organic Matter bioactivity further includes water-delivery pump and aeration pump；
The sampling device includes sample bottle and sample feeding pipe；The sample bottle connects the first order by sample feeding pipe
The water inlet of reactor；
The water-delivery pump has 4, be serially connected with respectively in sample feeding pipe and each connecting pipe in；
The aeration pump connects the aerator.
The water inlet of the biofilm reactor is located at biofilm reactor bottom, and water outlet is located at biofilm reactor top
Portion, aeration opening are located at biofilm reactor bottom.
Exhaust outlet is equipped at the top of the biofilm reactor.
The water inlet of biofilm reactor bottom is conveyed for water pump, and top water outlet is discharged for overflow, four biomembrane reactions
The inflow and outflow rate of device is identical.
Filling porous glass beads are as biofilm carrier in the biofilm reactor.
The volume of the second level to fourth stage biofilm reactor is the 5 of first order biofilm reactor volume successively
Again, 6 times and 12 times.
4 water-delivery pumps are 4 channels of same water-delivery pump.
The aeration pump is equipped with sterile filter, and aperture is 0.22 μm.
The biofilm reactor is cylinder, and material is unorganic glass, and outside is protected from light.
The sample bottle material is unorganic glass, and outside is protected from light, by sterile carbon-free processing.
Further, valve is equipped at the sample tap.
The porous glass beads grain size is 1-3mm, and aperture is 60-100 μm, and specific surface area is 70-100m2/ L, is suitable for
Microorganism grows nonparasitically upon another plant.
The filling proportion of porous glass beads is 90% -95% in the biofilm reactor.
The sample feeding pipe or connecting pipe are hose.
The sample bottleneck is provided with sterile rubber stopper, and the sample feeding pipe passes through to be connected in the sterile rubber stopper and sample bottle
It is logical.
The aerator is aeration head.
Embodiment 1
This example demonstrates that the specific embodiment of the utility model device.
Using as shown in Figure 1 based on biofilm reactor Quantitative detection water body Dissolved Organic Matter (DOM) biology
The device of activity,
In use, include the following steps：
(1) biofilm is cultivated
Natural water body is acquired, is filtered, is obtained containing microorganism and DOM using the carbon-free glass fiber filter that aperture is 3 μm
Inoculation water body；Inoculation water body is placed in the sample bottle of sampling device, reaction unit is pumped by water body is inoculated with using water-delivery pump
Biofilm reactor, be inoculated with porous glass beads surface of the microbial adherence in biofilm reactor in water body, inoculation
DOM in water body promotes microorganism enrichment as carbon source, forms biomembrane；Aeration pump enters filtrated air by aeration opening anti-
Device is answered, oxygen is provided for biofilm development；Reaction unit final outflow water is collected every 2 days sample taps from fourth stage reactor
Water sample；With the DOC values of TOC analysis-e/or determining final outflow water water samples；When the adjacent organic carbon of final outflow water water sample taken twice
When the difference of value is less than or equal to 1mg/L, culture biofilm terminates.
(2) sample detection
1. aperture is used to be filtered, and by the water to be checked after filtering for 0.7 μm of carbon-free glass fiber filter water sample to be checked
Sample is placed in sample injection bottle.
2. starting water-delivery pump and aeration pump, the water sample to be measured after filtering is sequentially input into each biofilm reactor, is opened
Filtrated air is passed through each biofilm reactor by aerator by aeration opening.
3. collect No. 1, No. 2, No. 3, No. 4 biofilm reactor water outlet water samples.
4. water sample to be checked and No. 1, No. 2, No. 3, No. 4 biomembranes after glass fiber filter filtering are measured with TOC analyzers
Reactor is discharged the DOC values of water sample.
(3) numerical analysis
1. the bioactivity of water sample DOC to be checked is calculated, by the DOC values of water sample to be checked and No. 1, No. 2, No. 3, No. 4 biomembranes
The DOC values of reactor water outlet water sample are fitted with following equations：
DOCN=C1e-k 1 t+C2e-k 2 t+C3e0
Wherein, DOCNFor the DOC values of N water samples, t is the total hrt of N water samples, k1And k2For non-song
Constant in line fitting, e is natural constant, for water sample to be checked and No. 1, No. 2, No. 3, No. 4 biofilm reactors water outlet water samples,
It it is respectively 0,4,24,48 and 96 hour by coutroi velocity t values；C1For the concentration of activity DOC parts in water sample to be checked, C2
For the concentration of semiactive DOC parts in water sample to be checked, C3Concentration for DOC parts difficult to degrade in water sample to be checked.
2. comprehensive C1、C2、C3It is worth to get to activity, semiactive and the concentration of DOC parts difficult to degrade in water sample to be checked.
Embodiment 2
The present embodiment 2 and embodiment 3 illustrate the concrete application effect of the utility model device and method.
In the present embodiment, its DOM bioactivity of acquisition Jiangsu freshwater lake water determination, during the lake eutrophication
Water body DOC is at concentrations up to 40mg/L.
1 volume of sample bottle is 3 liters in the present embodiment, and sterile 2 middle aperture of rubber stopper is 6mm, and 3 outer diameter of flexible pipe is 6mm.
4 single channel flow of water-delivery pump is 0.05L/h, and 5 single channel flow of aeration pump is 0.10L/h.7 bottom inner diameter of biofilm reactor is
4.0cm, a height of 42cm, outer wall thickness 2mm, 8 bottom inner diameter of biofilm reactor are 4.0cm, a height of 42cm, and outer wall thickness is
2mm, 9 bottom inner diameter of biofilm reactor is 10.0cm, a height of 42cm, outer wall thickness 2mm, in 10 bottom of biofilm reactor
Diameter is 12.4cm, a height of 52cm, outer wall thickness 2mm.11 internal diameter of water inlet is 6mm, and 12 internal diameter of water outlet is 6mm.Aeration head
14 selection small cylindrical aeration heads, size are Φ 2cm × 3cm, and 15 internal diameter of aeration opening is 6mm, and 17 internal diameter of exhaust outlet is 6mm.
Flexible pipe 3 and 16 caliber of flexible pipe are 6mm.18 grain size of porous glass beads is 2mm, and aperture is 60 μm, specific surface area 90m2/
L, filling rate 95%, the porosity of four biofilm reactors is 40% after filling, effective hydraulic detention time is respectively 4,
20th, 24,48 hours.
Jiangsu lake water sample is acquired, is filtered using the carbon-free glass fiber filter that aperture is 3 μm, is filtered using glass fibre
Inoculation water body is continuously pumped into reaction unit as inoculation water body, carries out culture biofilm by water body after membrane filtration.By eight months
Operation after, reaction unit water outlet DOC values reach stable, culture the biofilm stage terminate.
Water sample during acquisition Jiangsu freshwater lake eutrophication, with the carbon-free glass fiber filter mistake that aperture is 0.7 μm
Water after filter sample is placed in sampling device by filter, starts power plant, collects No. 1, No. 2, No. 3, No. 4 biofilm reactor water outlets
Water sample is measured the DOC values of water sample to be checked and No. 1, No. 2, No. 3, No. 4 biofilm reactor water outlet water sample using TOC, as a result distinguished
For 35.77,21.60,10.68,8.62,7.44mg/L.DOC values and t values are substituted into and are fitted with following numerical model：
DOC=C1e-k 1 t+C2e-k 2 t+C3e0
Obtain C1, C2, C3Respectively 8.30,20.27 and 7.20mg/L illustrate that activity DOC is a concentration of in water sample
8.30mg/L, semiactive DOC a concentration of 20.27mg/L, a concentration of 7.20mg/L of DOC difficult to degrade.
It is very strong that present embodiment illustrates that the device and method of utility model have the eutrophication water of high DOC concentration
Adaptability has the advantages that quick, efficient, accurate.
Embodiment 3
In the present embodiment, acquisition Jiangsu natural bioremediation water body measures its DOM bioactivity, wetland water body DOC concentration
About 5mg/L.The present embodiment difference from Example 3 is that water sample to be checked is Jiangsu natural bioremediation water body.Other steps
It is same as Example 3.
By Jiangsu wetland water sample aperture be 0.7 μm carbon-free glass fiber filter filter, by water after filter sample be placed in into
In sampling device, start power plant, collect No. 1, No. 2, No. 3, No. 4 biofilm reactor water outlet water samples, measured using TOC to be checked
The DOC values of water sample and No. 1, No. 2, No. 3, No. 4 biofilm reactor water outlet water sample, as a result respectively result is respectively 5.35,
3.62,2.84,2.28 and 1.90mg/L.DOC values and t values are substituted into following numerical model to be fitted：
DOC=C1e-k 1 t+C2e-k 2 t+C3e0
Obtain C1, C2, C3Respectively 1.50,2.10 and 1.75mg/L illustrate a concentration of 1.50mg/ of activity DOC in water sample
L, semiactive DOC a concentration of 2.10mg/L, a concentration of 1.75mg/L of DOC difficult to degrade.
Present embodiment illustrates that the device and method of utility model have very strong adaptation to the natural water of low DOC concentration
Property, have the advantages that quick, efficient, accurate.
The example that the utility model provides is limited embodiment, is not limitation of the utility model.
Claims (10)
1. a kind of device of Quantitative detection water body Dissolved Organic Matter bioactivity, which is characterized in that including at least four string
The biofilm reactor of connection；
The biofilm reactor includes water inlet, water outlet and aeration opening；The aeration opening is connected with aerator；
The biofilm reactor according to sample flow direction be followed successively by the first stage reactor, the second stage reactor ... N grades
Reactor, N is the integer more than or equal to 4, wherein the water outlet of previous stage reactor passes through connecting tube in adjacent two-stage reactor
Road connects the water inlet of latter stage reactor；
The water outlet of the biofilm reactor is provided with sample tap.
2. the apparatus according to claim 1, which is characterized in that the Quantitative detection water body Dissolved Organic Matter life
The device of object activity further includes sampling device, water-delivery pump and aeration pump；
The sampling device includes sample bottle and sample feeding pipe；The sample bottle connects first stage reactor by sample feeding pipe
Import；
The water-delivery pump has N number of channel N number of or for same water-delivery pump, is serially connected with respectively in sample feeding pipe and each connecting pipe
In；
The aeration pump connects the aerator.
3. the apparatus according to claim 1, which is characterized in that it is anti-that the water inlet of the biofilm reactor is located at biomembrane
Device bottom is answered, water outlet is located at the top of biofilm reactor, and aeration opening is located at biofilm reactor bottom；The biomembrane reaction
Exhaust outlet is equipped at the top of device.
4. according to any devices of claim 1-3, which is characterized in that filling cellular glass in the biofilm reactor
Microballon is as biofilm carrier.
5. according to any devices of claim 1-3, which is characterized in that the N is preferably four, and first order biology
Membrane reactor to fourth stage biofilm reactor volume is sequentially increased.
6. device according to claim 5, which is characterized in that the volume of the second level to fourth stage biofilm reactor
It is 5 times, 6 times and 12 times of first order biofilm reactor volume successively.
7. according to any devices of claim 1-3, which is characterized in that the biofilm reactor is cylinder, material
For unorganic glass, outside is protected from light.
8. device according to claim 4, which is characterized in that the porous glass beads grain size is 1-3 mm, and aperture is
60-100 μm, specific surface area is 70-100 m2/L。
9. device according to claim 4, which is characterized in that the filling of porous glass beads in the biofilm reactor
Ratio is 90%~95%.
10. the apparatus of claim 2, which is characterized in that the aeration pump is equipped with sterile filter, and aperture is 0.22 μ
m。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515288A (en) * | 2017-10-13 | 2017-12-26 | 中国科学院南京地理与湖泊研究所 | The apparatus and method of Quantitative detection water body Dissolved Organic Matter bioactivity |
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2017
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515288A (en) * | 2017-10-13 | 2017-12-26 | 中国科学院南京地理与湖泊研究所 | The apparatus and method of Quantitative detection water body Dissolved Organic Matter bioactivity |
| CN107515288B (en) * | 2017-10-13 | 2024-02-06 | 中国科学院南京地理与湖泊研究所 | Device and method for rapidly and quantitatively detecting biological activity of water-soluble organic matters |
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