CN110395804A - The in-situ immobilization agent MOC and preparation method of novel C r (VI) polluted underground water - Google Patents
The in-situ immobilization agent MOC and preparation method of novel C r (VI) polluted underground water Download PDFInfo
- Publication number
- CN110395804A CN110395804A CN201910681691.9A CN201910681691A CN110395804A CN 110395804 A CN110395804 A CN 110395804A CN 201910681691 A CN201910681691 A CN 201910681691A CN 110395804 A CN110395804 A CN 110395804A
- Authority
- CN
- China
- Prior art keywords
- moc
- underground water
- prosparol
- concentration
- novel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
Abstract
The present invention relates to the in-situ immobilization agent MOC and preparation method of a kind of novel C r (VI) polluted underground water, belong to polluted underground water technical field of biological remediation.Mainly it is made of quick start medicament, organic carbon source (including two kinds of matrix of quick release and slow release) and chemical stabilizer.Wherein quick start reagent is ascorbic acid, and organic carbon source is industrial syrup (quick release matrix) and prosparol (slow release matrix), chemical stabilizer NaHCO3.In practical application MOC renovation agent, MOC renovation agent injection Polluted area is formed into biology in situ reaction zone, toxicity is big, the preferable Cr of migration (VI) is reduced to the Cr (III) of small toxicity, migration performance difference under the action of the related flora such as Cr (VI) reducing bacteria and dissimilatory iron reduction bacterium, and Cr (III) easily forms the precipitating with good stability and is fixed on medium.It is good with reduction effect, it the advantages of stability is high, easy to operate and wide adaptation range, remains to play a role in the underground water of 10 DEG C of water temperature or pH range 4-10.
Description
Technical field
The present invention relates to polluted underground water technical field of biological remediation, in particular to a kind of novel C r (VI) polluted underground water
In-situ immobilization agent MOC and preparation method, the renovation agent can be applied to Cr (VI) pollution groundwater remediation harnessing project in.
Background technique
Underground water is the important component of water resource, but with economic development, underground water pollution problem is increasingly serious, and
The pollution of underground water is just faced with the problems such as being difficult to reverse and repairing.China Cr (VI) as common contaminant in underground water it
One, with CrO4 2-、Cr2O7 2-Equal anionic groups form exists, and because its is easy to migrate, easily penetrates aeration zone and enters pollution of underground aquifers
The features such as underground water, toxicity is big, teratogenesis, carcinogenic, mutagenesis.Based on problem above, carries out Cr (VI) polluted underground water and repair work
Work has great importance.
The recovery technique of Cr (VI) is divided into in-situ immobilization and showering in current underground water.Showering, which refers to, passes through pumping
Take-processing means will handle on Polluted area groundwater extraction to ground, project amount is big, and cannot completely remove pollution,
It is easy to appear hangover and rebound phenomena；In-situ immobilization refers to the implementation that recovery technique is directly carried out in contaminated sites region, to the greatest extent
Amount carries out reduction removal to Cr (VI) in the case where reducing place disturbance.Based technique for in-situ remediation can be divided into in-situ chemical reparation and
Biology in situ reparation.In-situ chemical reparation passes through injection FeSO4, persulfate, the chemical reagent reduction such as polysulfide Cr (VI),
But a large amount of corrosivity anion are readily incorporated, secondary pollution is caused.Biology in situ reparation is divided into biostimulation and biological reinforced two
Kind means.The functional flora of selective degradation is introduced in biological reinforced direction underground environment, to reach reduction removal Cr (VI)
Purpose.Biostimulation technical principle be into underground environment inject microorganism growth metabolism needed for nutriment, electron donor,
The bioremediation agents such as growth factor, stimulation indigenous microorganism raised growth are bred, and in the case where polluting existence condition, domestication has been provided also
The Cr (VI) of proper energy power restores flora, and Cr (VI) is reduced to Cr (III).Compared to in-situ chemical recovery technique, biostimulation skill
Art is without secondary pollution to environment, economical and efficient, is also avoided to a certain extent to belowground ecosystem using indigenous microorganism
Destruction.
The place selection biology that the report of U.S. super fund place is shown in underground water in-situ immobilization between 2012-2014 is repaired
The ratio of compound case accounts for 57%.Foreign countries for the repair process of Cr (VI) in underground water take bioremediation technology up to 20 years it
Long.But biology in situ reparation medicament kind is more, how to select renovation agent economic, efficiently, green, and can be on ground
It is efficiently transmitted in lower water-bearing layer, is at present still the hot and difficult issue of people's common concern.In repairing for China pollution of chromium place
In multiple, the reparation of Cr (VI) mainly uses dystopy extraction-processing and in-situ chemical reduction technique in underground water.For biological prosthetic
Agent being rarely reported using this direction in Cr (VI) polluted underground water reparation, therefore for economical and effective and environmentally friendly
The pollution of chromium in underground water is repaired, the research and development of bioremediation agents are imperative.
Summary of the invention
The purpose of the present invention is to provide the in-situ immobilization agent MOC and preparation method of a kind of novel C r (VI) polluted underground water, solutions
It has determined the problem of lacking suitable Cr (VI) polluted underground water biology in situ renovation agent of the existing technology.Renovation agent of the present invention
Have the characteristics that efficient, economical and easily available and smaller to underground environmental perturbation, generation trivalent chromium precipitating is more stable, is that Cr (VI) is dirty
The reparation for contaminating underground water provides new selection.
Above-mentioned purpose of the invention is achieved through the following technical solutions:
The in-situ immobilization agent MOC of novel C r (VI) polluted underground water, including quick start medicament, organic carbon source and chemical stabilization
Agent, the organic carbon source include two kinds of matrix of quick release and slow release；
The quick start medicament selects ascorbic acid；
The organic carbon source selects a kind of a kind of quick release matrix --- industrial syrup and slow release matrix --- emulsification to plant
The mixing of object oil；
The chemical stabilizer selects NaHCO3。
The ascorbic acid concentrations are 0.1g/L-0.25g/L, and industrial syrup concentration is 1g/L-5g/L, prosparol
Concentration is 3g/L-8g/L, NaHCO3Concentration is 0.5g/L-2g/L.
The industrial syrup selects sugarcane syrup；Prosparol selects soybean oil, the preferred Tween 80 of surfactant；
Wherein soybean oil mass concentration is 2%, and Tween 80 concentration is 10%.
Another object of the present invention is to provide the preparations of the in-situ immobilization agent MOC of novel C r (VI) polluted underground water a kind of
Method, comprising the following steps:
Step (1) prepares prosparol: the soybean oil and quality that Tween 80 that mass concentration is 10%, mass concentration are 2% are dense
The distilled water for being 88% is spent, 24-48h fullys shake under 200rpm, obtains prosparol mother liquor；
Step (2) is taken sugarcane syrup 1g/L-5g/L, prosparol mother liquor 3g/L-8g/L, Vitamin C by mass concentration respectively
Sour 0.1g/L-0.25 g/L and NaHCO30.5g/L-2g/L adds water to mix；Amount of water is determined according to volume to be prepared, is protected
Demonstrate,prove ultimate density.
3-5h fullys shake in step (3), makes syrup, prosparol, ascorbic acid and NaHCO3It is fully dispersed, it obtains
MOC renovation agent, is finally poured into container and saves.
NaHCO described in step (2)3Can detect environment pH reduce after singly annotate again into.
The beneficial effects of the present invention are: with existing Cr (VI) repair reagent compared with have the advantage that
(1) at low cost: industrial syrup is the waste in Closed Circulation in Sugar Production technique, at low cost, within commercially available 2000 yuan per ton, can be made
At meeting 300,000 liters of reagent of repairing effect, NaHCO3For common commercial chemicals, and it is from a wealth of sources, it is easy to get, was using
It is easy to operate in journey, therefore cost is relatively low for the underground water of reparation pollution.
(2) repairing effect is good: the ascorbic acid of addition have stronger reproducibility reacted with Cr (VI) generation trivalent chromium and
Hydroascorbic acid quickly reduces Cr (VI) concentration in early period, reduces its inhibiting effect to biological domestication, enable functional flora
It is enough quickly to be bred using carbon source for growth, quick start repair procedure.Relative to microbe carbon sources such as sucrose, starch, syrup is because of it
Containing the component easily utilized by microorganism can by microorganism using and for electron, can be when shorter as quick matrix
It is interior to breed Cr (VI) reducing bacteria raised growth, it restores Cr (VI).
(3) secondary pollution is few: widely used chemical remediation reagent such as technical grade sulfuric acid is ferrous, usually due to containing other
Heavy metal component and introducing sulfate ion, cause secondary pollution to underground water.The main component of syrup and prosparol is
Each type organic, ascorbic acid and Cr (VI) reaction product hydroascorbic acid, be all easily degraded by microorganisms utilization, will not be to ring
Secondary pollution is caused in border, environmental-friendly.
(4) the reagent service life is long: addition prosparol can be that microorganism provides as slow release carbon source steadily in the long term
Nutriment needed for growth, makes the biology in situ reaction zone to be formed that can be reduced and be needed on engineer application with long-term existence
Repeatedly the workload of reagent is repaired in addition.
(5) environmental stability is good: NaHCO3Have good pH buffering effect, reduces and caused since microbiological anaerobic produces acid
Acidic environment influence, make in the range of pH can maintain neutral slant acidity in reduction process, reduce due to repair process band
The space enrironment disturbance come.
(6) applied widely: Cr (VI) removal effect can be played within the scope of 10 DEG C -30 DEG C, pH=4-10.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative example and its explanation is used to explain the present invention, and is not constituted improper limitations of the present invention.
Fig. 1 is the mechanism of action figure of renovation agent MOC of the present invention；
Fig. 2 is the hexavalent chromium removal effect picture of the embodiment of the present invention 1；
Fig. 3 is the hexavalent chromium removal effect picture of the embodiment of the present invention 2；
Fig. 4 is the hexavalent chromium removal effect picture of the embodiment of the present invention 3.
Specific embodiment
Detailed content and its specific embodiment of the invention are further illustrated with reference to the accompanying drawing.
Referring to FIG. 1 to FIG. 4, in-situ immobilization the agent MOC, the MOC of novel C r (VI) polluted underground water of the invention
Renovation agent is mainly by quick start medicament, organic carbon source (including two kinds of matrix of quick release and slow release) and chemical stabilizer
Composition.Wherein quick start reagent is ascorbic acid, and organic carbon source is industrial syrup (quick release matrix) and prosparol
(slow release matrix), chemical stabilizer NaHCO3.Wherein ascorbic acid mass concentration is 0.1g/L-0.25 g/L, syrup
Mass concentration is 1g/L-5g/L, and prosparol mass concentration is 3g/L-8g/L, NaHCO3Mass concentration is 0.5g/L-2g/
L.In practical application MOC renovation agent, MOC renovation agent injection Polluted area is formed into biology in situ reaction zone, is gone back Cr (VI)
Opportunistic pathogen and dissimilatory iron reduction bacterium etc. correlation flora under the action of toxicity is big, the preferable Cr of migration (VI) be reduced to small toxicity,
The Cr (III) of migration performance difference, and Cr (III) easily forms the precipitating with good stability and is fixed on medium.Renovation agent MOC
Have reduction effect good in terms of the underground water of Cr (VI) pollution, the advantages of stability is high, easy to operate and wide adaptation range, spy
It does not remain to play a role in the underground water of 10 DEG C of water temperature or pH range 4-10, can be mentioned for Cr (VI) pollution amelioration in underground water
For new thinking.
Renovation agent MOC of the present invention be applied to Cr (VI) reduction removal aspect mechanism include direct biological reducing and
Connect two kinds of biological reducing effects.Direct biological reducing acts on, and the organic carbon source in bioremediation agents is as electron donor, Cr (VI)
As terminal electron acceptor, Cr (VI) is reduced directly under the action of Cr (VI) reducing bacteria；Indirect biological reducing effect, biology are repaired
Organic carbon source in multiple agent is as electron donor, under the action of dissimilatory iron reduction bacterium, Fe3+Receiving is electronically generated Fe2+, after by
Fe2+Restoring Cr (VI) is trivalent chromium, ultimately generates Cr (OH)3And FexCr1-x(OH)3Precipitating stabilization is adsorbed on medium.In stratum
Preservation largely contains Fe mineral, plays an important role during micro-reduction Cr (VI).Biological reducing is main
Mechanism is as shown in Figure 1.
There is good Cr VI Cr (VI) removal ability below by experimental demonstration renovation agent MOC of the invention, and long
Phase is effective.
Embodiment 1:
The potassium bichromate solution that the present embodiment selects laboratory to prepare is as simulated groundwater Cr (VI) pollution, using purchasing river sand
Simulate anaerobic condition.
Experimental system: sand (partial size is between 0.25mm-5mm)+100ml renovation agent MOC(ascorbic acid 0.03g in 250g,
Sugarcane syrup 0.2g, oil emulsion 1.6g, NaHCO30.15g is made into 100ml solution)+100ml 100mg/LCr (VI) (repair by addition
Practical Cr (VI) concentration is 50mg/L in system after retrial agent).
Experimental procedure: claiming 250g sand, and the foul solution that 100ml potassium bichromate is prepared is added thereto, after concussion shakes up, to
Renovation agent MOC is added in simulator, concussion is rested in 25 DEG C of constant incubators after shaking up and reacted again.Detect Cr
(VI) for concentration lower than after 0.5 mg/L, liquor capacity 200ml adds potassium bichromate solution again in equilibrium system, keeps concentration basic
Near 50mg/L, this step is repeated lower than 0.5mg/L to Cr (VI) concentration, until Cr (VI) concentration no longer changes in system.
Processing method: closing is protected from light system monitoring DO, Ph, Cr (VI), samples after sealing, system in bottle is shaken up before sampling.
Sample analysis method: according to " the measurement diphenyl carbazide spectrophotometry of water quality Cr (VI) " (GB7567-87)
Measure the concentration of Cr (VI) in aqueous solution；PH uses portable pH meter；DO uses hand-held DO instrument.
The application method of Cr (VI) renovation agent MOC:
(1) prepare prosparol: mass concentration be 10% Tween 80,2% soybean oil and 88% distilled water, under 200rpm
24-48h fullys shake, obtains prosparol mother liquor.
(2) 0.03g ascorbic acid, 0.2g sugarcane syrup, 1.6g prosparol, 0.15g carbon are weighed according to mass concentration
Sour hydrogen sodium is configured to the mixed solution MOC of 100ml, shakes 3-5h.
(3) prepared MOC renovation agent is injected in simulating pollution underground water.
Cr (VI) treatment effect is as shown in Fig. 2, end 1082h, and removal Cr (VI) total amount is 36.42mg in the system.It is right
50mg/LCr (VI) pollution, which, which can effectively restore removal Cr (VI), makes its concentration be lower than 0.05mg/L, and service life
It is longer, it steady in a long-term can play a role.With the progress of time, Cr (VI) is not in rebound phenomena, is able to maintain steady
Determine state.
Embodiment 2:
The potassium bichromate solution that the present embodiment selects laboratory to prepare is as simulated groundwater Cr (VI) pollution, using purchasing river sand
Simulate anaerobic condition.
Experimental system: sand+100ml renovation agent MOC(ascorbic acid 0.03g, sugarcane syrup 0.5g, oil emulsion in 250g
0.6g, sodium bicarbonate 0.15g are made into 100ml solution)+100ml 100mg/L Cr (VI) is (after addition reparation reagent in system in fact
Cr (VI) concentration in border is 50mg/L).
Experimental procedure: claiming 250g sand, and the foul solution that 100ml potassium bichromate is prepared is added thereto, after concussion shakes up, to
It is added in simulator and repairs reagent, concussion is rested in 25 DEG C of constant incubators after shaking up and reacted again.Detect Cr
(VI) for concentration lower than after 0.5mg/L, liquor capacity 200ml adds potassium bichromate solution again in equilibrium system, keeps concentration basic
Near 50mg/L, this step is repeated lower than 0.5mg/L to Cr (VI) concentration, until Cr (VI) concentration no longer changes in system.
Processing method: closing is protected from light system monitoring DO, Ph, Cr (VI), samples after sealing, system in bottle is shaken up before sampling.
Sample analysis method: according to " the measurement diphenyl carbazide spectrophotometry of water quality Cr (VI) " (GB7567-87)
Measure the concentration of Cr (VI) in aqueous solution；PH uses portable pH meter；DO uses hand-held DO instrument.
The application method of Cr (VI) renovation agent MOC:
(1) prepare prosparol: mass concentration be 10% Tween 80,2% soybean oil and 88% distilled water, under 200rpm
24-48h fullys shake, obtains prosparol mother liquor.
(2) 0.03g ascorbic acid, 0.2g sugarcane syrup, 1.6g prosparol, 0.15g carbon are weighed according to mass concentration
Sour hydrogen sodium is configured to the mixed solution MOC of 100ml, shakes 3-5h.
(3) prepared MOC renovation agent is injected in simulating pollution underground water.
Cr (VI) treatment effect is as shown in figure 3, end 888h, and removal Cr (VI) total amount is 38.78mg in the system.It is right
50mg/LCr (VI) pollution, which, which can effectively restore removal Cr (VI), makes its concentration be lower than 0.05mg/L, and longevity
Life is longer, steady in a long-term can play a role.With the progress of time, Cr (VI) is not in rebound phenomena, is able to maintain
Stable state, and still there is whole system reducing power can continue reduction of hexavalent chromium Cr (VI).
Embodiment 3:
The potassium bichromate solution that the present embodiment selects laboratory to prepare is as simulated groundwater Cr (VI) pollution, using purchasing river sand
Simulate anaerobic condition.
Experimental system: sand+100ml renovation agent MOC(ascorbic acid 0.03g, sugarcane syrup 0.2g, oil emulsion in 250g
1.6g, sodium bicarbonate 0.15g are made into 100ml solution)+100ml 50mg/L Cr (VI) is (after addition reparation reagent in system actually
Cr (VI) concentration is 25mg/L).
Experimental procedure: claiming 250g sand, and the foul solution that 100ml potassium bichromate is prepared is added thereto, after concussion shakes up, to
It is added in simulator and repairs reagent, concussion is rested in 25 DEG C of constant incubators after shaking up and reacted again.Detect Cr
(VI) for concentration lower than after 0.5mg/L, liquor capacity 200ml adds potassium bichromate solution again in equilibrium system, keeps concentration basic
Near 25mg/L, this step is repeated lower than 0.5mg/L to Cr (VI) concentration, until Cr (VI) concentration no longer changes in system.
Processing method: closing is protected from light system monitoring DO, Ph, Cr (VI), samples after sealing, system in bottle is shaken up before sampling.
Sample analysis method: according to " the measurement diphenyl carbazide spectrophotometry of water quality Cr (VI) " (GB7567-87)
Measure the concentration of Cr (VI) in aqueous solution；PH uses portable pH meter；DO uses hand-held DO instrument.
The application method of Cr (VI) renovation agent MOC:
(1) prepare prosparol: mass concentration be 10% Tween 80,2% soybean oil and 88% distilled water, under 200rpm
24-48h fullys shake, obtains prosparol mother liquor.
(2) 0.03g ascorbic acid, 0.2g sugarcane syrup, 1.6g prosparol, 0.15g carbon are weighed according to mass concentration
Sour hydrogen sodium is configured to the mixed solution MOC of 100ml, shakes 3-5h.
(3) prepared MOC renovation agent is injected in simulating pollution underground water.
Cr (VI) treatment effect is as shown in figure 4, end 1082h, and removal Cr (VI) total amount is 62.4mg in the system.It is right
25mg/LCr (VI) pollution, which, which can effectively restore removal Cr (VI), makes its concentration be lower than 0.05mg/L, and energy
Enough more pollutions of removal in the same time.With the progress of time, Cr (VI) is not in rebound phenomena, is able to maintain steady
Determine state, and still there is certain reducing power in reparation system.
The foregoing is merely preferred embodiments of the invention, are not intended to restrict the invention, for the technology of this field
For personnel, the invention may be variously modified and varied.All any modification, equivalent substitution, improvement and etc. made for the present invention,
It should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of in-situ immobilization agent MOC of novel C r (VI) polluted underground water, it is characterised in that: including quick start medicament, have
Machine carbon source and chemical stabilizer, the organic carbon source include two kinds of matrix of quick release and slow release；
The quick start medicament selects ascorbic acid；
The organic carbon source selects a kind of a kind of quick release matrix --- industrial syrup and slow release matrix --- emulsification to plant
The mixing of object oil；
The chemical stabilizer selects NaHCO3。
2. the in-situ immobilization agent MOC of novel C r (VI) polluted underground water according to claim 1, it is characterised in that: described
Ascorbic acid concentrations be 0.1g/L-0.25g/L, industrial syrup concentration be 1g/L-5g/L, prosparol concentration be 3g/L-
8g/L, NaHCO3Concentration is 0.5g/L-2g/L.
3. the in-situ immobilization agent MOC of novel C r (VI) polluted underground water according to claim 1 or 2, it is characterised in that: institute
The industrial syrup selection sugarcane syrup stated；Prosparol selects soybean oil, the preferred Tween 80 of surfactant；Wherein soybean oil
Mass concentration is 2%, and Tween 80 concentration is 10%.
4. a kind of preparation method of the in-situ immobilization agent MOC of novel C r (VI) polluted underground water, it is characterised in that: including following step
It is rapid:
Step (1) prepares prosparol: the soybean oil and quality that Tween 80 that mass concentration is 10%, mass concentration are 2% are dense
The distilled water for being 88% is spent, 24-48h fullys shake under 200rpm, obtains prosparol mother liquor；
Step (2) is taken sugarcane syrup 1g/L-5g/L, prosparol mother liquor 3g/L-8g/L, Vitamin C by mass concentration respectively
Sour 0.1g/L-0.25 g/L and NaHCO30.5g/L-2g/L adds water to mix；
3-5h fullys shake in step (3), makes syrup, prosparol, ascorbic acid and NaHCO3It is fully dispersed, it obtains MOC and repairs
Multiple agent, is finally poured into container and saves.
5. the preparation method of the in-situ immobilization agent MOC of novel C r (VI) polluted underground water according to claim 4, feature
It is: NaHCO described in step (2)3Can detect environment pH reduce after singly annotate again into.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910681691.9A CN110395804A (en) | 2019-07-26 | 2019-07-26 | The in-situ immobilization agent MOC and preparation method of novel C r (VI) polluted underground water |
| CN202111341354.9A CN113979549A (en) | 2019-07-26 | 2019-07-26 | Novel Cr (VI) polluted underground water in-situ repairing agent MOC and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910681691.9A CN110395804A (en) | 2019-07-26 | 2019-07-26 | The in-situ immobilization agent MOC and preparation method of novel C r (VI) polluted underground water |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111341354.9A Division CN113979549A (en) | 2019-07-26 | 2019-07-26 | Novel Cr (VI) polluted underground water in-situ repairing agent MOC and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110395804A true CN110395804A (en) | 2019-11-01 |
Family
ID=68325073
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910681691.9A Pending CN110395804A (en) | 2019-07-26 | 2019-07-26 | The in-situ immobilization agent MOC and preparation method of novel C r (VI) polluted underground water |
| CN202111341354.9A Pending CN113979549A (en) | 2019-07-26 | 2019-07-26 | Novel Cr (VI) polluted underground water in-situ repairing agent MOC and preparation method thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111341354.9A Pending CN113979549A (en) | 2019-07-26 | 2019-07-26 | Novel Cr (VI) polluted underground water in-situ repairing agent MOC and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110395804A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111286342A (en) * | 2020-03-05 | 2020-06-16 | 上海格林曼环境技术有限公司 | Reduction agent for repairing polluted soil underground water |
| CN111303897A (en) * | 2020-03-05 | 2020-06-19 | 上海格林曼环境技术有限公司 | Preparation method of reducing agent for repairing polluted soil underground water |
| CN114479872A (en) * | 2022-01-25 | 2022-05-13 | 森特士兴环保科技有限公司 | Formable in-situ remediation chlorinated hydrocarbon pollutant slow release agent and preparation method thereof |
| CN115745196A (en) * | 2022-11-15 | 2023-03-07 | 吉林大学 | Composite medicament for slow-release remediation of petroleum-polluted underground water |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6143177A (en) * | 1995-04-11 | 2000-11-07 | Arcadis Geraghty & Miller, Inc. | Engineered in situ anaerobic reactive zones |
| WO2003022744A2 (en) * | 2001-09-06 | 2003-03-20 | Gannett Fleming, Inc. | In-situ process for detoxifying hexavalent chromium in soil and groundwater |
| CN104741369A (en) * | 2015-04-03 | 2015-07-01 | 北京建工环境修复股份有限公司 | Application of molasses in chromium-polluted soil remediation and remediation method |
| CN104843865A (en) * | 2015-06-03 | 2015-08-19 | 中国地质大学（北京） | Liquid carbon source material for in-situ remediation of groundwater nitrate and Cr<6+> pollution |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008039576A2 (en) * | 2006-06-12 | 2008-04-03 | Dbi Remediation Products, Llc | Compositions for bioremediation and methods for using |
| US9643223B2 (en) * | 2007-03-16 | 2017-05-09 | Jrw Bioremediation, Llc | Bioremediation enhancing agents and methods of use |
| WO2008137123A2 (en) * | 2007-05-04 | 2008-11-13 | Archer-Daniels-Midland Company | Compositions and uses thereof in bioremediation |
| US20100227381A1 (en) * | 2007-07-23 | 2010-09-09 | Verutek Technologies, Inc. | Enhanced biodegradation of non-aqueous phase liquids using surfactant enhanced in-situ chemical oxidation |
| JP2014500794A (en) * | 2010-11-15 | 2014-01-16 | アーチャー−ダニエルズ−ミッドランド カンパニー | Composition and its use in converting pollutants |
| US20150076398A1 (en) * | 2013-09-16 | 2015-03-19 | John Archibald | Bioremediation of soil and groundwater |
| CN106414762B (en) * | 2014-05-16 | 2020-03-03 | 3M创新有限公司 | System and method for liquid culture of anaerobic or microaerophilic microorganisms |
| CN106348418A (en) * | 2016-09-12 | 2017-01-25 | 中节能大地环境修复有限公司 | In-situ chemical-biological combined restoration method of chromium polluted underground water |
-
2019
- 2019-07-26 CN CN201910681691.9A patent/CN110395804A/en active Pending
- 2019-07-26 CN CN202111341354.9A patent/CN113979549A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6143177A (en) * | 1995-04-11 | 2000-11-07 | Arcadis Geraghty & Miller, Inc. | Engineered in situ anaerobic reactive zones |
| WO2003022744A2 (en) * | 2001-09-06 | 2003-03-20 | Gannett Fleming, Inc. | In-situ process for detoxifying hexavalent chromium in soil and groundwater |
| CN104741369A (en) * | 2015-04-03 | 2015-07-01 | 北京建工环境修复股份有限公司 | Application of molasses in chromium-polluted soil remediation and remediation method |
| CN104843865A (en) * | 2015-06-03 | 2015-08-19 | 中国地质大学（北京） | Liquid carbon source material for in-situ remediation of groundwater nitrate and Cr<6+> pollution |
Non-Patent Citations (4)
| Title |
|---|
| 温泉等: "《水土修复技术》", 31 October 2017, 长春：吉林大学出版社 * |
| 董军等: "乳化植物油强化土著微生物修复中高浓度Ｃr(VI）污染地下水", 《吉林大学学报（地球科学版）》 * |
| 陈子方: "工业糖浆原位修复Cr(VI)污染地下水反应机理及效能实验研究", 《中国博士学位论文全文数据库 工程科技Ⅰ辑》 * |
| 雷廷武等: "《理想的耕耘者：我们的导师曾德超》", 30 June 2013, 北京：中国农业大学出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111286342A (en) * | 2020-03-05 | 2020-06-16 | 上海格林曼环境技术有限公司 | Reduction agent for repairing polluted soil underground water |
| CN111303897A (en) * | 2020-03-05 | 2020-06-19 | 上海格林曼环境技术有限公司 | Preparation method of reducing agent for repairing polluted soil underground water |
| CN114479872A (en) * | 2022-01-25 | 2022-05-13 | 森特士兴环保科技有限公司 | Formable in-situ remediation chlorinated hydrocarbon pollutant slow release agent and preparation method thereof |
| CN114479872B (en) * | 2022-01-25 | 2023-12-22 | 森特士兴环保科技有限公司 | Formable in-situ reparation chlorinated hydrocarbon pollutant sustained release agent and preparation method thereof |
| CN115745196A (en) * | 2022-11-15 | 2023-03-07 | 吉林大学 | Composite medicament for slow-release remediation of petroleum-polluted underground water |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113979549A (en) | 2022-01-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110395804A (en) | The in-situ immobilization agent MOC and preparation method of novel C r (VI) polluted underground water | |
| Marchal et al. | Comparing the desorption and biodegradation of low concentrations of phenanthrene sorbed to activated carbon, biochar and compost | |
| Sims et al. | Approach to bioremediation of contaminated soil | |
| Zhilin et al. | Reduction of Cr (VI) by peat and coal humic substances | |
| Ding et al. | Simultaneous removal of nitrate and hexavalent chromium in groundwater using indigenous microorganisms enhanced by emulsified vegetable oil: Interactions and remediation threshold values | |
| Dong et al. | Transport and release of electron donors and alkalinity during reductive dechlorination by combined emulsified vegetable oil and colloidal Mg (OH) 2: Laboratory sand column and microcosm tests | |
| You et al. | Acceleration and centralization of a back-diffusion process: effects of EDTA-2Na on cadmium migration in high-and low-permeability systems | |
| Price et al. | Effect of redox potential and pH on TNT transformation in soil-water slurries | |
| Hu et al. | Revealing underlying mechanisms affecting electrokinetic remediation of an artificially Cu-and Pb-contaminated loess using the external regulatory system with adsorbent | |
| Cirpka et al. | Microbial reductive dechlorination in large-scale sandbox model | |
| Xue et al. | Optimization of adsorption conditions for the removal of petroleum compounds from marine environment using modified activated carbon fiber by response surface methodology | |
| CN108500056B (en) | A method of petroleum hydrocarbon contaminated soil is repaired using in-situ oxidation-synchronization air bearing | |
| Lins et al. | Removal of ammonia nitrogen from leachate of Muribeca municipal solid waste landfill, Pernambuco, Brazil, using natural zeolite as part of a biochemical system | |
| Strickland et al. | Identification of promising remediation technologies for iodine in the UP-1 operable unit | |
| Yu | Laboratory evaluation of natural and enhanced remediation of chlorinated ethenes in fractured sandstone | |
| Strevett et al. | A comprehensive review of the screening methodology for anaerobic biodegradability of surfactants | |
| Asadollahfardi et al. | Nickel removal from low permeable kaolin soil under unenhanced and EDTA-enhanced electrokinetic process | |
| Weng et al. | Laboratory-scale evaluation of Cr (VI) removal from clay by electrokinetics incorporated with Fe (O) barrier | |
| Schneider et al. | Contamination levels and preliminary assessment of the technical feasibility of employing natural attenuation in 5 priority areas of Presidente Bernardes Refinery in Cubatao, Sao Paulo, Brazil | |
| Wymore et al. | Enhanced anaerobic bioremediation in a DNAPL residual source zone: Test Area North case study | |
| Pham et al. | Insights into the sorption and release mechanisms of Iodine-129 at Savannah River Site | |
| Gao et al. | Analytical method of Cr stable isotope and its application to water pollution survey | |
| Farquhar | Leachate treatment by soil methods | |
| Muris et al. | Assessment of biofilm destabilisation and consequent facilitated zinc transport | |
| Jin | Long-term effectiveness of in situ solidification/stabilization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191101 |
|
| RJ01 | Rejection of invention patent application after publication |