CN105254037B - The method for improving microbial activity in water body containing nano silver - Google Patents
The method for improving microbial activity in water body containing nano silver Download PDFInfo
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- CN105254037B CN105254037B CN201510840027.6A CN201510840027A CN105254037B CN 105254037 B CN105254037 B CN 105254037B CN 201510840027 A CN201510840027 A CN 201510840027A CN 105254037 B CN105254037 B CN 105254037B
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- Prior art keywords
- nano silver
- water body
- microorganism
- containing nano
- concentration
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000000813 microbial effect Effects 0.000 title claims abstract description 14
- 244000005700 microbiome Species 0.000 claims abstract description 22
- 239000005416 organic matter Substances 0.000 claims abstract description 21
- 241000222393 Phanerochaete chrysosporium Species 0.000 claims description 37
- 108091003079 Bovine Serum Albumin Proteins 0.000 claims description 15
- 229940098773 bovine serum albumin Drugs 0.000 claims description 15
- 230000000694 effects Effects 0.000 abstract description 23
- 229910052709 silver Inorganic materials 0.000 abstract description 12
- 239000004332 silver Substances 0.000 abstract description 12
- 239000002351 wastewater Substances 0.000 abstract description 9
- 230000006378 damage Effects 0.000 abstract description 4
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 12
- 239000004021 humic acid Substances 0.000 description 12
- 241000233866 Fungi Species 0.000 description 9
- 231100000331 toxic Toxicity 0.000 description 8
- 230000002588 toxic effect Effects 0.000 description 8
- 241000894006 Bacteria Species 0.000 description 7
- XUJNEKJLAYXESH-UHFFFAOYSA-N cysteine Natural products SCC(N)C(O)=O XUJNEKJLAYXESH-UHFFFAOYSA-N 0.000 description 7
- 235000018417 cysteine Nutrition 0.000 description 7
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 5
- 231100000419 toxicity Toxicity 0.000 description 5
- 230000001988 toxicity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XUJNEKJLAYXESH-REOHCLBHSA-N L-Cysteine Chemical compound SC[C@H](N)C(O)=O XUJNEKJLAYXESH-REOHCLBHSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002906 microbiologic effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- DWNBOPVKNPVNQG-LURJTMIESA-N (2s)-4-hydroxy-2-(propylamino)butanoic acid Chemical compound CCCN[C@H](C(O)=O)CCO DWNBOPVKNPVNQG-LURJTMIESA-N 0.000 description 1
- 102000009027 Albumins Human genes 0.000 description 1
- 108010088751 Albumins Proteins 0.000 description 1
- 241000192700 Cyanobacteria Species 0.000 description 1
- 241000108664 Nitrobacteria Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
The invention discloses a kind of methods of microbial activity in raising water body containing nano silver, include the following steps：By organic matter and water mixing containing nano silver, mixed liquor is obtained；Microorganism is added and carries out shaken cultivation, completes the processing to microorganism.The method of the present invention is simple to operate, highly practical, can effectively inhibit harm of the nano silver to microorganism in water body, improves cell activity of the microorganism in water body environment containing nano silver, is of great significance in the practical application of processing silver waste water containing nanometer.
Description
Technical field
The invention belongs to nano-Ag particles to beneficial microbe toxic effect application field, be related to a kind of improve and contain nano silver
The method of microbial activity in water body, and in particular to improving microbial activity in water body containing nano silver using organic matter to a kind of
Method.
Background technology
Nano silver（Silver nanoparticles）With the performances such as good bactericidal effect and catalysis, photoelectricity, size
Range is between 1~100nm.A large amount of uses of nano silver so that nano silver is constantly released in environment, increases it to each
The potential risk of kind biology, especially beneficial microbe.It after nano silver enters water environment, can be influenced, be wrapped by various factors
PH, temperature, dissolved oxygen, organic matter etc. are included, the presence of these conditions or substance can be very big to migration, the conversion generation of nano silver
Influence, to influence toxicity of the nano silver to microorganism.
By taking Phanerochaete chrysosporium as an example, Phanerochaete chrysosporium has obtained extensively in heavy metal processing and composting technology
Using, however when handling the water body containing nano silver using Phanerochaete chrysosporium, due to the toxic effect of nano silver so that
Phanerochaete chrysosporium receives a degree of damage, the serious treatment effeciency for influencing it to pollutant.
In view of the extensive use of nano silver, the exposed amount of nano silver is consequently increased in the actual environment, and therefore, raising has
The activity of beneficial microorganism is of great significance to the processing water of silver waste water containing nanometer.However in practical applications, lack to improve to contain and receive
The effective technology means of microbial activity in rice silver waste water.
Invention content
The technical problem to be solved by the present invention is to overcome deficiencies in the prior art, provide a kind of simple to operate, warp
The method of microbial activity in Ji, raising water body containing nano silver that is feasible, highly practical, not generating other pollutions.This method is logical
It crosses and the toxic effect that organic matter effectively reduces nano silver in silver waste water containing nanometer to microorganism is added, contain nanometer to improve
The cell activity of microorganism in silver waste water, and then improve the efficiency of microbiological treatment pollutant.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A method of microbial activity in water body containing nano silver is improved, is included the following steps：By organic matter and contain nanometer
Silver-colored water mixing, obtains mixed liquor；Microorganism is added and carries out shaken cultivation, completes the processing to microorganism.
In above-mentioned method, it is preferred that the organic matter includes one in cysteine, humic acid, bovine serum albumin(BSA)
Kind is two or more.
In above-mentioned method, it is preferred that a concentration of 1mg/L~100mg/L of cysteine in the mixed liquor.
In above-mentioned method, it is preferred that a concentration of 1mg/L~100mg/L of humic acid in the mixed liquor.
In above-mentioned method, it is further preferred that in the mixed liquor humic acid a concentration of 50mg/L~100mg/L.
In above-mentioned method, it is preferred that a concentration of 1mg/L~50mg/L of bovine serum albumin(BSA) in the mixed liquor.
In above-mentioned method, it is preferred that a concentration of 0.001mg/L~2mg/L of nano silver in the water body containing nano silver.
In above-mentioned method, it is preferred that the microorganism is Phanerochaete chrysosporium, cyanobacteria or nitrobacteria.
In above-mentioned method, it is preferred that the temperature of the shaken cultivation be 36 DEG C~38 DEG C, rotating speed be 120rpm~
150rpm, time are 10h~for 24 hours.
The innovation of the invention consists in that：
The present invention is mixed using organic matter with nano silver for the first time, for controlling in water body nano silver to Phanerochaete chrysosporium
Poisonous effect.By the way that organic matter is added, interacts with nano silver, so that the stability of nano silver is changed, influence nanometer
The state of silver in the solution, to effectively reduce toxic action of the nano silver to Phanerochaete chrysosporium, to improve yellow archespore hair
Activity of the flat lead fungi in water body environment containing nano silver.
Organic matter is widely present in natural water body, but the interaction of it and nano silver is currently not very clearly
Chu.In the present invention, organic matter can not only change the surface charge of nano silver and their stability, moreover it is possible to be released with nano silver
The silver ion of releasing is combined to form complex, and wherein organic matter can be combined with the silver ion in Nano silver solution, and reduction is received
Meter Yin is to the toxicity of microbial cells, and organic matter can also be combined with nanometer silver surface, reduces nano silver and discharges silver ion.For
For organic matter, different organic matters has different structure and compositions, and these differences can be flat to nano silver and yellow archespore hair
Effect between lead fungi generates different influences.Organic matter in the present invention includes cysteine, humic acid, bovine serum albumin(BSA)
One or more of, these three organic matters have different groups, and these groups have nano silver different influences,
If sulfydryl, amino groups can be effectively combined silver ion, to influence the toxicity of nano silver.
Compared with the prior art, the advantages of the present invention are as follows：
1, the present invention provides a kind of methods of microbial activity in raising water body containing nano silver, by the way that organic matter is added,
Toxic effect of the nano silver to microorganism can effectively be inhibited, to improve activity of the microorganism in water body environment containing nano silver.
By controlling the concentration of organic matter, it is capable of providing optimum growh state of the microorganism in water body environment containing nano silver.
2, method of the invention is simple to operate, and selected organic matter is widespread in nature, and is easy to obtain, therefore
The present invention have the characteristics that it is economical, feasible, highly practical, do not generate other pollutions, nano silver can be effectively reduced to microorganism
Harm improves the cell activity of microorganism in water body, and then improves the efficiency of microbiological treatment pollutant in water body containing nano silver,
The antimicrobial treatment process that can be widely used for the water body containing nano silver has great meaning in the application of processing water body containing nano silver
Justice.
Description of the drawings
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention carries out clear, complete description.
Fig. 1 lives for the cell of Phanerochaete chrysosporium in the mixed liquor of the different semicystinol concentrations of the embodiment of the present invention 1
Property schematic diagram.
Fig. 2 be the embodiment of the present invention 2 different humic acid concentration mixed liquor in Phanerochaete chrysosporium cell activity
Schematic diagram.
Fig. 3 be the embodiment of the present invention 3 different bovine serum albumin(BSA) concentration mixed liquor in Phanerochaete chrysosporium it is thin
Cytoactive schematic diagram.
Specific implementation mode
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described, but not therefore and
It limits the scope of the invention.
Material and instrument employed in following embodiment are commercially available.
Embodiment 1
A kind of method of microbial activity in the raising water body containing nano silver of the present invention, wherein microorganism are that yellow archespore hair is flat
Lead fungi includes the following steps：
（1）Prepare Phanerochaete chrysosporium bacterium ball：Phanerochaete chrysosporium BKM-F1767 is inoculated in Kirk culture mediums
In, at a temperature of 37 DEG C, with 120rpm speed oscillation culture 72h, obtain Phanerochaete chrysosporium bacterium ball.
（2）Cysteine is taken respectively, it is uniform with the water mixing containing nano silver of a concentration of 1mg/L of nano silver, it obtains not
With the mixed liquor of semicystinol concentration, wherein in mixed liquor the concentration of cysteine be respectively 0.1mg/L, 1mg/L, 5mg/L,
10mg/L、20mg/L、50mg/L、100mg/L。
（3）0.2g steps are taken respectively（1）In Phanerochaete chrysosporium bacterium ball, be added to 5mL steps（2）Half Guang of difference
It is, with 120rpm speed oscillations culture 12 hours, to be completed flat to yellow archespore hair at 37 DEG C in temperature in the mixed liquor of propylhomoserin concentration
The processing of lead fungi.
Control group：Compared with the present embodiment 1, differ only in：It is not added with cysteine.
Fig. 1 illustrates for the cell activity of Phanerochaete chrysosporium in the mixed liquor of the present embodiment difference semicystinol concentration
Figure.As shown in Figure 1, after the cysteine of a concentration of 1~100mg/L mixed liquors is added in water body containing nano silver, can effectively inhibit
Toxic effect of the nano silver to Phanerochaete chrysosporium in water body, hence it is evident that improve Phanerochaete chrysosporium in water body containing nano silver
Activity, and with the increase of semicystinol concentration, the cell activity of Phanerochaete chrysosporium also accordingly increases.When half Guang ammonia
When acid concentration is too low, the cell activity of Phanerochaete chrysosporium can be declined.
Embodiment 2
A kind of method of microbial activity in the raising water body containing nano silver of the present invention, wherein microorganism are that yellow archespore hair is flat
Lead fungi includes the following steps：
（1）Prepare Phanerochaete chrysosporium bacterium ball：With embodiment 1.
（2）Humic acid is taken respectively, it is uniform with the water mixing containing nano silver of a concentration of 1mg/L of nano silver, obtain difference
The mixed liquor of humic acid concentration, wherein in mixed liquor the concentration of humic acid be respectively 1mg/L, 2mg/L, 5 mg/L, 10mg/L,
20mg/L、50mg/L、100mg/L。
（3）0.2g steps are taken respectively（1）In Phanerochaete chrysosporium bacterium ball, be added to 5mL steps（2）Different Hu Min
It is, with the speed oscillation culture 12 hours of 120rpm, to be completed flat to yellow archespore hair at 37 DEG C in temperature in the mixed liquor of acid concentration
The processing of lead fungi.
Control group：Compared with the present embodiment 2, differ only in：It is not added with humic acid.
Fig. 2 be the present embodiment difference humic acid concentration mixed liquor in Phanerochaete chrysosporium cell activity schematic diagram.
As shown in Figure 2, it after the humic acid of a concentration of 1~100mg/L mixed liquors is added in water body containing nano silver, can carry to a certain extent
Activity of the high Phanerochaete chrysosporium in water body containing nano silver, and with the increase of humic acid concentration, Phanerochaete chrysosporium
The small-scale raising of cell activity.
Embodiment 3
A kind of method of microbial activity in the raising water body containing nano silver of the present invention, wherein microorganism are that yellow archespore hair is flat
Lead fungi includes the following steps：
（1）Prepare Phanerochaete chrysosporium bacterium ball：With embodiment 1.
（2）Bovine serum albumin(BSA) is taken respectively, it is uniform with the water mixing containing nano silver of a concentration of 1mg/L of nano silver, it obtains
To the mixed liquor of different bovine serum albumin(BSA) concentration, wherein the concentration of bovine serum albumin(BSA) is respectively 1mg/L, 5mg/ in mixed liquor
L、10mg/L、50mg/L、100mg/L、200mg/L、500mg/L。
（3）0.2g steps are taken respectively（1）In Phanerochaete chrysosporium bacterium ball, be added to 5mL steps（2）Different ox bloods
In the mixed liquor of clear albumin concentration, it is, with the speed oscillation culture 12 hours of 120 rpm, to complete to Huang at 37 DEG C in temperature
The processing of the flat lead fungi of archespore hair.
Control group：Compared with the present embodiment 3, differ only in：It is not added with bovine serum albumin(BSA).
Fig. 3 shows for the cell activity of Phanerochaete chrysosporium in the mixed liquor of the present embodiment difference bovine serum albumin(BSA) concentration
It is intended to.As shown in figure 3, the concentration of bovine serum albumin(BSA) is in 1~50mg/L mixed liquors, Phanerochaete chrysosporium is containing nano silver
Activity in water body is improved, wherein the cell activity highest in 5mg/L, and when the concentration of bovine serum albumin(BSA) is higher than
When 50mg/L, cell activity declines.Therefore, the concentration of bovine serum albumin(BSA) is controlled, can effectively control nano silver to yellow archespore
The toxicity of the flat lead fungi of hair, wherein as a concentration of 5mg/L of bovine serum albumin(BSA), cell activity highest, toxicity inhibition effect is most
It is good.
The present invention can effectively reduce toxic effect of the nano silver to Phanerochaete chrysosporium by addition organic matter, with
Improve activity of the Phanerochaete chrysosporium in silver waste water containing nanometer；By controlling the concentration of organic matter, it can effectively control and receive
Meter Yin is to the toxic effect of Phanerochaete chrysosporium, to determine optimum growh of the Phanerochaete chrysosporium in silver waste water containing nanometer
State.The method of the present invention is simple to operate, it is economical, feasible, highly practical, do not generate other pollutions, nanometer can be effectively reduced
Harm of the silver to Phanerochaete chrysosporium improves cell activity of the Phanerochaete chrysosporium in water body containing nano silver, Jin Erti
The efficiency of high Phanerochaete chrysosporium processing pollutant, the Phanerochaete chrysosporium that can be widely used for the silver waste water containing nanometer are processed
Journey has great practical significance in the practical application of processing silver waste water containing nanometer.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example.All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It is noted that for the art
Those of ordinary skill for, improvements and modifications without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (2)
1. a kind of method improving microbial activity in water body containing nano silver, which is characterized in that include the following steps：By organic matter
With water mixing containing nano silver, mixed liquor is obtained；Microorganism is added and carries out shaken cultivation, completes the processing to microorganism；It is described
Organic matter is bovine serum albumin(BSA)；A concentration of 1mg/L~50mg/L of bovine serum albumin(BSA) in the mixed liquor；The microorganism
For Phanerochaete chrysosporium；The temperature of the shaken cultivation is 36 DEG C~38 DEG C, and rotating speed is 120rpm~150rpm, and the time is
10h~for 24 hours.
2. according to the method described in claim 1, it is characterized in that, in the water body containing nano silver nano silver it is a concentration of
0.001mg/L~2mg/L.
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| CN105254037B true CN105254037B (en) | 2018-09-07 |
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| CN106248451B (en) * | 2016-07-08 | 2018-12-18 | 湖南大学 | The method for improving the dissolution of river sand Heavy Metal In Sediments |
| CN106747734B (en) * | 2016-12-29 | 2019-12-06 | 湖南大学 | Method for reducing nitrogen loss in composting process by utilizing nano silver |
| CN108911050A (en) * | 2018-07-26 | 2018-11-30 | 湖南大学 | A method of reducing nano silver toxicity |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193012A (en) * | 2014-09-11 | 2014-12-10 | 湖南大学 | Method for promoting phanerochaete chrysosporium to remove heavy metal cadmium by utilizing silver nanoparticles |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193012A (en) * | 2014-09-11 | 2014-12-10 | 湖南大学 | Method for promoting phanerochaete chrysosporium to remove heavy metal cadmium by utilizing silver nanoparticles |
Non-Patent Citations (1)
| Title |
|---|
| "Influence of Bovine Serum Albumin and Alginate on Silver Nanoparticle Dissolution and Toxicity to Nitrosomonas europaea";Ann-Kathrin Ostermeyer et al.;《Environmental Science & Technology》;20131112(第47期);摘要、第14403页左栏第1段、第14404页左栏第3-5段 * |
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