CN102897920B - The application of nano material in the restoration of the ecosystem of low temperature water body and low temperature water ecology composite Nano restorative procedure - Google Patents
The application of nano material in the restoration of the ecosystem of low temperature water body and low temperature water ecology composite Nano restorative procedure Download PDFInfo
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- CN102897920B CN102897920B CN201210310038.XA CN201210310038A CN102897920B CN 102897920 B CN102897920 B CN 102897920B CN 201210310038 A CN201210310038 A CN 201210310038A CN 102897920 B CN102897920 B CN 102897920B
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Abstract
The present invention relates to water treatment field, particularly, relate to the application of nano material in the restoration of the ecosystem of low temperature water body and low temperature water ecology composite Nano restorative procedure.Described method comprises the step dropping into deodorizing microorganism and nano material under cryogenic in water body.The energy of nano material can penetrate in microbial cell core always arrange DNA, RNA, promote proper splitting and the propagation of cell, thus the microorganism being in dormant state is activated, microorganism active in natural water and in water treatment system can be improved, particularly treatment effect keeps good in the winter time, utilize biologic chain remediation microbial inoculum, be aided with novel nano-material technology, realize in the winter time under cold condition purification repair water body.
Description
Technical field
The present invention relates to water treatment field, particularly, relate to the application of nano material in the restoration of the ecosystem of low temperature water body and low temperature water ecology composite Nano restorative procedure.
Background technology
Current China surface water pollution is very serious, and have the river of more than 70%, lake do not reach surface water III class water quality standard, the water of nearly 25% is bad five classes.Water pollution causes aquatic ecosystem subject to severe risks of damage, and self-purification capacity weakens, and even withers away.Wherein black and odorous river ubiquity, cause great effect to HUMAN HEALTH, local common people's sickness rate obviously increases, and the common people have strong complaints, and seriously govern the Sustainable development of Chinese society economy, it has become a great problem on China's Water Environmental Pollution Control.
River system repair technology generally can be divided into water body peripheral doses technology, water body chemical recovery technique and bioremediation of waters technology.Peripheral doses technology comprises cuts dirt, desilting, diversion dirt removal etc.These methods need to build large-scale structures, and not only investment is large, engineering is complicated, and cures the symptoms, not the disease, and is only auxiliary governing measure, thoroughly can not improves water quality.Chemical remediation technology is by the contaminated water body of chemical means process, reaches a kind of method removing pollutent in water body.Such as, administer pool acidifying and can add unslaked lime; Dephosphorization can add molysite etc.Chemical purification is chemical agent due to what add, and therefore not only control expense is higher, but also easily causes secondary pollution.The bioremediation technology of water body is Low investment, the high benefit of the cleaning ambient that newly-developed gets up, be convenient to the emerging technology applied, development potentiality is huge, it utilizes particular organisms (particularly microorganism) to the absorption of pollutent in water body, conversion or degraded, reach the biological control measure slowing down or finally eliminate water pollution, recover water ecology function, this process is controlled or spontaneous.The bioremediation technology of polluted-water mainly comprises and adds bacterial classification, adds nutrition, artificial aeration, raising bioavailability, manually throw in animal or implant the restorative procedures such as plant.
General based on bioremediation of waters technology in research application at present, water body peripheral doses technology, water body chemical recovery technique are auxiliary.
Chinese patent application 200910266194.9 discloses " deodorant predominant bacteria and composite fungus agent and application ".This application adopts original position multi-point sampling method to filter out many strains microorganism, overcomes single-point and to sample the bacterium liquid poor stability be trained, the difficult point be easily hit.It to whole black and odorous river administer research play most important effect, be the core of combination bioremediation technology.By a large amount of single factor test and orthogonal experiment, achieve selecting excellent and having grasped the growth conditions of deodorant predominant composite fungus agent the best of bacterial strain.Breach by single creature recovery technique, propose the combination biological restoration treatment process be made up of aeration aerating technology/microorganism remediation technology/artificial swamp recovery technique, and this technique is applied to the improvement of actual black and odorous river.The deodorizing effect of described deodorizing bacterium is remarkable, all can reach more than 65% to clearances such as organism simultaneously.But because northern China water temperature in winter is low, biological restoration effect is had a strong impact on.
Summary of the invention
Present inventor proposes to solve the problem and completes the present invention.
The present invention adopts deodorant predominant bacteria composite fungus agent (biologic chain remediation microbial inoculum), be aided with novel energy nano material combination acting in conjunction, improve microbic activity, thus play the effect of comparatively thoroughly purifying waste water, successfully can repair the breaking portion in biologic chain, breach the bottleneck problem in eutrophied water treatment in winter for many years.
Therefore the object of this invention is to provide a kind of low temperature water body ecological nano combined-repair method.
Another object of the present invention is to provide the application of nano material in the restoration of the ecosystem of low temperature water body.
Low temperature water body ecological nano combined-repair method according to the present invention comprises the step dropping into deodorizing microorganism and nano material in water body.
According to method of the present invention, described deodorizing microorganism can be Rhod (Rhodococcus) (preserving number CGMCCNo.3276), Rhodopseudomonas (Pseudomonas) (preserving number CGMCCNo.3277) and/or Saccharomycodes (Saccharomyces) (preserving number CGMCCNo.3278).They remove COD be respectively 88.1%, 81.2%, 76.5% 3 strain bacterium combination after, treatment effect is 90.1%; Remove TN be respectively 68.1%, 63.2%, after the combination of 50.3%. tri-strain bacterium, treatment effect is 69.8%.
According to the specific embodiment of the present invention, by the composite fungus agent process malodorous black water of above-mentioned three strain bacterium combinations, be the composite fungus agent that black and odorous river river is administered.
According to the preferred embodiment of the present invention, wherein, the ratio of Rhod (Rhodococcus) Rhodopseudomonas (Pseudomonas) Saccharomycodes (Saccharomyces) three strain deodorant predominant bacteria in composite fungus agent is respectively 4:2:4.
According to method of the present invention, wherein, described nano material is prepared by the following method:
1) by Fe
2o
3, ZrO
2, SiO
2, TiO
2oxide material mixes with the mass ratio of 6:2:1:1;
2) by mixture 1220-1320 DEG C of high bake temperature 8 ~ 10 hours, be incubated 2 hours, be cooled to normal temperature;
3) sieve after taking out superfine grinding, obtain the ultrafine powder that particle diameter is 40-100 nanometer.
According to method of the present invention, also comprise the step of preparation energy fiber fabric: in the melt above-mentioned manufactured nano level superfine energy powder being evenly dispersed in superpolymer (polyester, polyamide-based, polypropylene-base, polypropylene nitrile etc.) or solution, then conventional scorification or wet method is adopted to carry out spinning, make fiber, then by fiber through spinning, weaving and be processed into novel energy fabric.
According to method of the present invention, also comprise the step preparing nanofiber package, above-mentioned energy fiber fabric is pressed diameter 10cm, the size of long 2m pitch tube, carry out processing and loaded in pitch tube, often group is made up of 5 pitch tubes, 20cm between every root pipe, organizes mechanically stressed intensity etc. to improve each simultaneously, adopts 2 corrosion resistant stainless steel plates in order to reinforce, constitute wide 1m, long 2m energy fiber assembly.
According to the degree of water pollution determine microbial inoculum dosage, add frequency.Added by composite fungus agent required for scene in combination biological restoration treatment system, the COD concentration and the sewage quantity that add ratio and sewage are relevant.When COD concentration is greater than 1000mg/L, add by 1/1000 volumetric ratio of system, i.e. 1000m
31m is added in volume
3deodorant predominant composite fungus agent.When COD concentration is less than 1000mg/L, add by the 1/10000-5/10000 volumetric ratio of system, i.e. 10000m
31m is added in volume
3-5m
3deodorant predominant composite fungus agent.
When having added microbial inoculum under normal temperature conditions in general and can ensure that water quality is up to standard, need not add microbial inoculum when low temperature arrives, only throw in energy fiber assembly just passable, an assembly can control 200m
2area.
If when not adding the basis of microbial inoculum, microbial inoculum adds with the mass ratio of 1/10000, adds in frequency first month and adds weekly once, second depends on the circumstances, can not add if water quality is substantially up to standard, if also have certain distance apart from up to standard, can add once for two weeks.
Under normal temperature condition, the reparation of aqueous bio chain only just can be carried out with composite fungus agent, but under cryogenic normal temperature bacterium because of dormancy non-activity, the reparation of aqueous bio chain cannot be completed, in order to solve biological activity problem under low temperature environment year condition, and by the introduction of nano material, the present invention's nano material used is the material with extremely strong fertility light ray energy.It can penetrate in microbial cell core to arrange rectifies DNA, RNA, promotes the proper splitting of cell and propagation, thus the microorganism being in dormant state is activated, and microorganism active in natural water and in water treatment system can be improved.
The Co-bioremediation method of black and odorous water is with strong points, cost is low, non-secondary pollution, is the method for the first-selection that black and odorous water is administered.But winter temperature is low, general mesophilic microorganism is lower than not energy metabolism allogenic material when 5 DEG C.The present invention adopts biologic chain remediation microbial inoculum to be aided with novel nano-material technology, the maximum feature of described novel nano-material is that extremely strong fertility light ray energy can penetrate into arrangement rectification DNA in microbial cell core always, RNA, promote proper splitting and the propagation of cell, thus the microorganism being in dormant state is activated, microorganism active in natural water and in water treatment system can be improved, particularly treatment effect keeps good in the winter time, COD, total phosphorus, the removal effect of total nitrogen etc. only declines 20-30% compared with season in spring and autumn, utilize biologic chain remediation microbial inoculum, be aided with novel nano-material technology, realize in the winter time under cold condition purification repair water body.
Accompanying drawing explanation
Fig. 1 shows the nanotube component used in embodiment.
Embodiment
Embodiment 1
1, nanotube component is prepared
1) by Fe
2o
3, ZrO
2, SiO
2, TiO
2oxide material mixes with the mass ratio of 6:2:1:1;
2) by mixture 1320 DEG C of high bake temperature 10 hours, be incubated 2 hours, be cooled to normal temperature;
3) sieve after taking out superfine grinding, obtain the ultrafine powder that particle diameter is 40-100 nanometer.
In the melt above-mentioned manufactured nano level superfine energy powder being evenly dispersed in superpolymer (polyester, polyamide-based, polypropylene-base, polypropylene nitrile etc.) or solution, then conventional scorification or wet method is adopted to carry out spinning, make fiber, again by fiber through spinning, weave and be processed into novel energy fabric, in fabric, the content of nano material is 1-5/1000(mass ratio).
2, laboratory test 40L scale,
(1) test is that (CN200910266194.9 discloses, and " deodorant predominant bacteria and composite fungus agent and application "), first time adds 5mL, and the 2nd time (two weeks afterwards) adds 5mL, adds 2 times, 10mL altogether in super hybrid bacteria agent with bacterium.
(2) consumption of nanotube component;
Energy fiber fabric is pressed diameter 1cm, the size of long 20cm pitch tube, carry out processing and loaded in pitch tube, often group is made up of 3 pitch tubes, 5cm between every root pipe, organizes mechanically stressed intensity etc. to improve each simultaneously, adopts 2 corrosion resistant stainless steel plates in order to reinforce, constitute wide 15cm, long 20cm energy fiber assembly.
(3) test conditions
Water temperature is at 5-8 DEG C, and process water is that in China Environmental Science Research Institute, sanitary wastewater carries out certain dilution, and process water is regulated and controled at COD80-150mg/L, N-NH
310-20mg/L.
Eutrophic water after treatment, COD, N-NH compared with the control
3clearance improve respectively as 65%-72%, 68%-78%.Substantially to reach or close to reaching environmental functional standard.
River, Nansha, embodiment 2 Haidian District, Beijing City harnessing project
Prepare nano-fabric with embodiment 1
This waters has added super hybrid bacteria agent (CN200910266194.9 discloses " deodorant predominant bacteria and composite fungus agent and application); but be not add winter; but adding twice in May, June; the long 10km in river; depth of water 2m; river width 100m-150m, has the sewage of 20000 cubes to flow into this river every day.
Prepare the step of nanofiber package, above-mentioned energy fiber fabric is pressed diameter 10cm, the size of long 2m pitch tube, carry out processing and loaded in pitch tube, often group is made up of 5 pitch tubes, 20cm between every root pipe, organize mechanically stressed intensity etc. to improve each simultaneously, adopt 2 corrosion resistant stainless steel plates in order to reinforce, constitute wide 1m, long 2m energy fiber assembly.10 assemblies are put into altogether in this section.
(do not throw in the waters of nanotube) compared with the control COD, N-NH
3clearance improve respectively as 62%-70%, 66%-74%.Substantially reach or the close environmental functional standard reaching this river.
Claims (4)
1. a low temperature water body ecological nano combined-repair method, is characterized in that, described method comprises the step dropping into deodorizing microorganism and nano material under cryogenic in water body,
Wherein, described deodorizing microorganism be Rhod (
rhodococcus), preserving number CGMCCNo.3276; Rhodopseudomonas (
pseudomonas), preserving number CGMCCNo.3277; And/or Saccharomycodes (
saccharomyces), preserving number CGMCCNo.3278;
Described nano material is prepared by the following method:
1) by Fe
2o
3, ZrO
2, SiO
2, TiO
2oxide material mixes with the mass ratio of 6:2:1:1;
2) by mixture 1220-1320 DEG C of high bake temperature 8 ~ 10 hours, be incubated 2 hours, be cooled to normal temperature;
3) sieve after taking out superfine grinding, obtain the ultrafine powder that particle diameter is 40-100 nanometer.
2. method according to claim 1, it is characterized in that, also comprise the step of preparation energy fiber fabric: in the melt that described nano material is evenly dispersed in superpolymer or solution, then carry out spinning, make fiber, be processed into energy fiber fabric further.
3. method according to claim 2, is characterized in that, also comprises the step preparing nanofiber package: cut out described energy fiber fabric, loaded in pitch tube, connects pitch tube thus forms fiber module.
4. the application of nano material in the restoration of the ecosystem of low temperature water body, wherein, described deodorizing microorganism be Rhod (
rhodococcus), preserving number CGMCCNo.3276; Rhodopseudomonas (
pseudomonas), preserving number CGMCCNo.3277; And/or Saccharomycodes (
saccharomyces), preserving number CGMCCNo.3278;
Described nano material is prepared by the following method:
1) by Fe
2o
3, ZrO
2, SiO
2, TiO
2oxide material mixes with the mass ratio of 6:2:1:1;
2) by mixture 1220-1320 DEG C of high bake temperature 8 ~ 10 hours, be incubated 2 hours, be cooled to normal temperature;
3) sieve after taking out superfine grinding, obtain the ultrafine powder that particle diameter is 40-100 nanometer.
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| CN201210310038.XA CN102897920B (en) | 2012-03-22 | 2012-08-29 | The application of nano material in the restoration of the ecosystem of low temperature water body and low temperature water ecology composite Nano restorative procedure |
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| CN201210078512 | 2012-03-22 | ||
| CN201210310038.XA CN102897920B (en) | 2012-03-22 | 2012-08-29 | The application of nano material in the restoration of the ecosystem of low temperature water body and low temperature water ecology composite Nano restorative procedure |
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| CN109730093B (en) * | 2018-06-04 | 2021-07-20 | 北京东方昊天生物技术研究所有限公司 | Aphid repellent agent and preparation method and application thereof |
| CN110698010A (en) * | 2019-09-22 | 2020-01-17 | 北京东方昊天生物技术研究所有限公司 | Application of rhodococcus |
| CN114349152B (en) * | 2021-12-30 | 2023-02-28 | 水利部交通运输部国家能源局南京水利科学研究院 | Water treatment process based on photoelectric-magnetic-biological synergistic effect of nano germanium material |
Citations (7)
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| JPH04298293A (en) * | 1991-03-26 | 1992-10-22 | Kubota Corp | Water treatment |
| CN1974436A (en) * | 2006-12-11 | 2007-06-06 | 上海市莘庄工业区经济技术发展有限公司 | In-situ biologically repairing method of polluted water body with composite enzyme biopromoter |
| CN101591059A (en) * | 2009-07-10 | 2009-12-02 | 江南大学 | A kind of with the ozonization wastewater treatment method of alpha-FeOOH nano material as catalyzer |
| CN101700925A (en) * | 2009-11-18 | 2010-05-05 | 吉林大学 | Method for preparing biological composite nano-water-purifying materials for removing radioactive substances in water |
| CN101748091A (en) * | 2009-12-31 | 2010-06-23 | 中国环境科学研究院 | Deodorant predominant bacteria, composite microbial inoculum and application |
| CN101948160A (en) * | 2010-09-30 | 2011-01-19 | 上海浩美净水设备有限公司 | Composition capable of generating multiple kinds of energy and preparation method thereof |
| CN102153207A (en) * | 2010-12-23 | 2011-08-17 | 集美大学 | No-pollution anti-disease water purifying agent for aquiculture and preparation method thereof |
-
2012
- 2012-08-29 CN CN201210310038.XA patent/CN102897920B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04298293A (en) * | 1991-03-26 | 1992-10-22 | Kubota Corp | Water treatment |
| CN1974436A (en) * | 2006-12-11 | 2007-06-06 | 上海市莘庄工业区经济技术发展有限公司 | In-situ biologically repairing method of polluted water body with composite enzyme biopromoter |
| CN101591059A (en) * | 2009-07-10 | 2009-12-02 | 江南大学 | A kind of with the ozonization wastewater treatment method of alpha-FeOOH nano material as catalyzer |
| CN101700925A (en) * | 2009-11-18 | 2010-05-05 | 吉林大学 | Method for preparing biological composite nano-water-purifying materials for removing radioactive substances in water |
| CN101748091A (en) * | 2009-12-31 | 2010-06-23 | 中国环境科学研究院 | Deodorant predominant bacteria, composite microbial inoculum and application |
| CN101948160A (en) * | 2010-09-30 | 2011-01-19 | 上海浩美净水设备有限公司 | Composition capable of generating multiple kinds of energy and preparation method thereof |
| CN102153207A (en) * | 2010-12-23 | 2011-08-17 | 集美大学 | No-pollution anti-disease water purifying agent for aquiculture and preparation method thereof |
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