CN103630659A - Simulation test device and simulation test method for in-situ chemical and biological remediation of underground water - Google Patents
Simulation test device and simulation test method for in-situ chemical and biological remediation of underground water Download PDFInfo
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Abstract
The invention discloses a simulation test device and a simulation test method for in-situ chemical and biological remediation of underground water. The simulation test device comprises a seepage slot, an inlet water buffer slot, an outlet water buffer slot, a water supply device and a liquid recovering bottle; the seepage slot is respectively communicated with the inlet water buffer slot and the outlet water buffer slot through porous water distribution baffles; the outer side of the outlet water buffer slot is provided with a drain hole with a valve; the seepage slot is provided with a row of injection wells at the upstream and a plurality of monitoring wells inside, and the monitoring wells are internally provided with water quality analysis probes; the tops of the seepage slot and the inlet water buffer slot are provided with a top sealed plate in which air inlets and air outlets are arranged; and the side wall of the seepage slot is provided with a pressure measuring pipe. The method comprises: filling with a medium, saturating with water, introducing polluted underground water by pumping, and adding a reagent for simulating the in-situ chemical and biological remediation process. The simulation test device is flexible, simple and convenient in design, low in test cost and strong in process controllability, can be used for researching the dynamic effect and the action mechanism for chemical and biological enhanced treating on organically-polluted underground water under an in-situ condition, and also can be used for observing the attenuation process of specific pollutants in underground water.
Description
Technical field
The invention belongs to underground water and administer technical field, be specifically related to a kind of underground water in-situ chemical and biological prosthetic simulation test device and simulation experiment method that can accurately reflect chemistry and biological reinforcing technology original position renovation of organic pollution groundwater condition.
Background technology
Underground water is as important freshwater resources, closely bound up with the mankind's life.Development along with industrial and agricultural production, China's groundwater contamination situation is day by day serious, wherein the Organic Pollution such as chlorohydrocarbon, benzene homologues and petroleum hydrocarbon has surpassed heavy metal pollution, become current main groundwater contamination form, and ecologic environment and human health are caused to very big harm, therefore, selecting effective recovery technique that it is controlled and is administered has become one of important research topic of field of Environment Protection, has very important economic results in society.
Conventional organic contamination underground water recovery technique comprises that dystopy extracts facture and in-situ chemical, biological treatment out.The former refers to the underground water that directly extraction has been polluted from the water-bearing zone of Polluted area, after earth's surface subsequent treatment is also up to standard, again notes back in body of groundwater; The latter be point to groundwater contamination region directly inject chemistry and (or) biological agent, the chemistry by organic contaminant in strengthening underground environment and biodegradation process are to accelerate its removal.It is the representative art that early stage underground water is repaired that dystopy extract out to be processed, apply comparatively extensive, but it exists shortcomings such as processing cost is high, treatment range finite sum later stage repairing effect is poor; Practice shows that in-situ chemical and bioanalysis processing Organic Contamination of Groundwater thing can reach higher removal efficiency, and have that expense is low, easy construction, repair coverage is wide, environmental perturbation is few and pollutant exposes the advantages such as probability is low, thereby more and more receive people's favor and concern, the boundless ，Qi of application prospect American-European countries becomes the organic contamination underground water recovery technique of main flow gradually.
Complicacy, polytrope and invisibility due to underground environment, make chemistry and bioaugmentation measure not fully aware of on the impact of organic contaminant migration in underground reservoir, conversion and degradation rule, thereby cannot improve targetedly the remediation efficiency of in-situ chemical and biological treatment, therefore, need under indoor conditions, further investigate the mechanism of action that in-situ chemical, biology and combined reinforced measure thereof promote the degraded of Organic Contamination of Groundwater thing.At present, the laboratory study in relevant this field is mainly carried out under static state or one dimension dynamic condition, it cannot reflect the environmental behavior characteristics of pollutant in underground reservoir completely, therefore, be necessary to develop and a kind ofly can under three dimension scale, accurately simulate the lab scale analogue means of organic contamination underground water in-situ chemical and biological prosthetic dynamic process, to inquire into chemistry and the mechanism of biological reinforced processing organic contamination underground water, for the exploitation of underground water recovery technique provides reliable theoretical foundation and underlying parameter.
Summary of the invention
The object of the invention is to solve the deficiencies in the prior art, provide a kind of simple in structure, controllability is strong, can accurately simulate underground water in-situ chemical and biological prosthetic simulation test device and the simulation experiment method of organic contamination underground water in-situ chemical and biological prosthetic dynamic process, this device can be used for studying the mechanism of action that organic contamination underground water is processed in in-situ chemical, biology and combined reinforced measure thereof, also can be used for observing the attenuation process of specific pollutants in underground water.
The object of the invention is to be achieved through the following technical solutions:
Underground water in-situ chemical and a biological prosthetic simulation test device, mainly comprise seepage tank, water inlet dashpot, water outlet dashpot, water supply installation and liquids recovery bottle, and water supply installation is comprised of the nitrogen capsule, liquid storage bottle and the peristaltic pump that are sequentially connected; Water supply installation is connected with water inlet dashpot bottom by delivery hose, seepage tank water inlet side and water outlet side are communicated with water inlet dashpot and water outlet dashpot by porous water distribution dividing plate respectively, outside water outlet dashpot, differing heights is respectively equipped with the osculum with valve, by delivery hose and flowmeter, is connected to liquids recovery bottle; Seepage tank upstream is provided with injector well; In seepage tank, be provided with some monitor wells, be provided with multi parameter water quality probe in monitor well, multi parameter water quality probe is connected with the water analysis terminal display that is positioned at seepage tank outside; Seepage tank and water-in and water-out dashpot top are provided with the top board sealing, and top board is provided with inlet and outlet hole; On the sidewall of seepage tank, apart near position bottom, have perforate, tapping is provided with L shaped piezometric tube.
Preferred version:
Described seepage tank and water-in and water-out dashpot are square, by poly (methyl methacrylate) plate, make; Described seepage tank and water-in and water-out dashpot top are equipped with flange form organic glass top board, seepage tank top board is provided with air admission hole and draft tube, vent port and is with manometric gas outlet, water inlet dashpot top board is provided with vent port and is with manometric gas outlet, and water outlet dashpot top board is provided with vent port and is with manometric gas outlet.
Described seepage tank upstream is provided with the injector well that a row longitudinally equidistantly arranges; Each injector well sealed bottom, top is provided with the screw-mouth cover with rubber plug; Each injector well bottom has a series of holes.
In described seepage tank cell body, be provided with the transversely arranged monitor well of multiple row, every row monitor well is uniformly distributed a plurality of monitoring points in seepage tank plane longitudinal extent, and each layout of the monitoring points has the monitoring well casing of many root distances seepage tank bottom differing heights; Every monitoring well casing sealed bottom, top is provided with the screw-mouth cover with rubber plug; Every monitoring well casing bottom is the screen casing with strip-type screen seam, and every monitoring well casing top is provided with exhausr port.
Described seepage tank front side wall is provided with the many L shaped piezometric tube of laterally equidistantly arranging.
Described porous water distribution dividing plate material is organic glass, and porous water distribution dividing plate outside is provided with screen pack; The outside of the outside of described injector well bottom hole and monitor well lower screen is equipped with screen pack.
More preferably in seepage flow cell body, be provided with 5 row monitor wells, every row monitor well is uniformly distributed 3 monitoring points in seepage tank plane longitudinal extent, and each layout of the monitoring points has the monitoring well casing of 2 root distance seepage tank bottom differing heights.
The underground water in-situ chemical and the biological prosthetic simulation experiment method that utilize above-mentioned simulation test device to carry out, carry out as follows:
(1), filled with medium: the sealing top board of opening seepage tank top, injection well casing and monitoring well casing are packed into cell body from groove top, simultaneously, anaerobic condition (ground class material coarse sand, medium sand, fine sand, sandy silt, silt, silty clay or the clay etc. with water permeability) is packed in seepage tank cell body, and every filling certain altitude is paved, is tamped; On water-bearing media layer, fill out afterwards thick layer clay;
(2), full water: after All Media filling, slowly inject distilled water from water inlet dashpot bottom, to the simulation water-bearing zone water of satisfying, until the final submergence water-bearing media of water level layer; By peristaltic pump, controlling flow, to be less than 1L/h(flow of inlet water very low be in order to obtain maximum full water degree, reduces during water infiltrates bubble volume in medium, avoids the impact of air on follow-up test in groove); The medium water process duration need >=24h that satisfies, and stablize 12 ~ 72h; By air remaining in water-bearing media layer sucking-off from piezometric tube, piezometric level is all stabilized near the height of simulation water-bearing zone afterwards, is no more than up and down 5cm;
(3), pump into polluted underground water: after full water finishes, polluted underground water after deoxygenation is flowed in simulated slot through peristaltic pump from liquid storage bottle, by peristaltic pump and the water outlet dashpot osculum that is located at differing heights, control water-in and water-out flow respectively, regulate the hydraulic parameters in simulation water-bearing zone, make preferably 0.5 ~ 1.5cm of seepage tank head difference≤5cm(), hydraulic gradient≤20 ‰ (preferably 4.8 ~ 14.3 ‰), and determine the water velocity in simulation water-bearing zone by chlorion tracer experiment;
(4), when polluted underground water simulation in water-bearing zone saturated and be uniformly distributed after, to adding in injector well, organic chemical contaminant and biodegradable composite drug be can promote simultaneously, in-situ chemical and bioaugmentation measure associating renovation of organic pollution underground water process started to simulate:
1) add after medicament, first with the screw-mouth cover with rubber plug, each injector well and monitor well are sealed, with the sealing top board at seepage tank top, analogue means is sealed again, finally by the seepage tank air admission hole on top board, in seepage tank, pass into a period of time nitrogen, to guarantee that whole system is in anaerobism groundwater condition;
2) simulation system run duration maintains water-in and water-out flow speed stability, 10 ~ 25 ℃ of water-bearing zone temperature, and working time is more than 60 days;
3) every 3 ~ 15 days, with multi parameter water quality probe, connect pH, DO, ORP and the EC that terminal display is measured monitoring WIH; Again the sealing top board at seepage tank top is taken off, use with the syringe of≤0.45 μ m filter membrane and take water sample 10 ~ 100ml in monitor well through screw-mouth cover rubber plug, measure wherein pollutant levels, TOC and micro organism quantity, and through monitor well exhausr port, gather and analyze CO in monitor well with multi-parameter gas analyser
2and O
2content, again seals analogue means with sealing top board after each sampling finishes, and passes into nitrogen deoxygenation;
4) after system end of run, the polluted underground water in analogue means is slowly drained, gather near anaerobic condition sample each monitor well bottom, analyze wherein pollutant load and micro organism quantity and activity;
(5), utilize above-mentioned data, and with the not control treatment comparison of adding medicine, inquire into dynamic repairing effect and mechanism of action that chemistry and bioaugmentation measure are combined renovation of organic pollution underground water.
Filled with medium in said method and full water process are preferably carried out as follows:
Open the sealing top board at seepage tank top, using coarse sand as anaerobic condition, pack in seepage tank cell body, for guaranteeing that medium does not produce crack after water inlet, pave, tamp after often adding the anaerobic condition that 2 ~ 10cm is high; Water-bearing zone loading height is 15 ~ 40cm, and fills out the thick clay of 2 ~ 10cm as aeration zone at anaerobic condition upper surface, to prevent the volatilization of pollutant;
In filling anaerobic condition, injection well casing is packed into cell body from groove top; Totally 2 ~ 8 of injection well casings are uniformly distributed in seepage tank plane longitudinal extent, and tube pitch is 4 ~ 9cm, and apart from seepage tank bottom 1 ~ 5cm, injection well casing is less than 20cm apart from groove water inlet end at the pipe end;
In filling anaerobic condition and injection well casing, monitoring well casing is also packed into cell body from groove top by certain vertical and horizontal layout: in seepage flow cell body, establish altogether 3 ~ 8 row monitor wells, wherein 1 ~ 2 row monitor well is in injector well upstream, apart from injector well 2 ~ 15cm, all the other monitor wells are in injector well downstream, apart from injector well different distance, lay respectively, as 10cm, 30cm, 55cm, 85cm etc.; Every row monitor well is uniformly distributed 2 ~ 5 monitoring points in seepage tank plane longitudinal extent, and between adjacent monitoring point, spacing is 6 ~ 9cm, and 2 ~ 4 monitoring well casings of each layout of the monitoring points, respectively apart from seepage tank bottom differing heights, as 6cm, 12cm, 18cm, 24cm etc.; In every monitoring well casing, multi parameter water quality probe is installed, and is connected with the water analysis terminal display outside device;
Being satisfied in water process in simulation water-bearing zone, in seepage tank, after the every rising 2 ~ 10cm of water level, stop promoting water level, surely put a period of time, until the final submergence water-bearing media of water level layer is surperficial.
Beneficial effect of the present invention:
Compared with prior art, provided by the invention for simulating organic contamination underground water in-situ chemical and biological prosthetic laboratory lab scale analogue means and simulation experiment method has the following advantages:
1, device provided by the invention can be under three dimension scale, by to the isoparametric control of the rate of discharge of groundwater, infiltration coefficient and hydraulic gradient, accurately simulate organic contamination underground water in-situ chemical and biological prosthetic dynamic process, it also can be used for observing the attenuation law of specific pollutants in underground water, realization is to the longitudinally and horizontal mensuration of palliating degradation degree under chemistry and biological reinforced processing of pollutant on plane and section, thereby contributes to illustrate the mechanism of action that in-situ chemical, biology and combined reinforced measure promotion Organic Contamination of Groundwater thing thereof are degraded comprehensively;
2, flexible design of the present invention is easy, and process controllability is strong, and experimentation cost is cheap, and investment is far below ready-made inspection well method, and sampling, manages more conveniently and quick, has higher popularizing value;
3, applied widely to groundwater environment and pollutant kind of the present invention, both can simulate under anaerobic condition the reduction dechlorination process of chlorinated hydrocarbon pollutant in underground water.
4, simulation test device of the present invention has more than the repair process that is confined to simulating pollution underground water, also can be used as reactor for the improvement research of urban surface sewage.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of underground water in-situ chemical of the present invention and biological prosthetic simulation test device;
Fig. 2 is the vertical view of Fig. 1 analogue means;
Fig. 3 is the structural representation of porous water distribution dividing plate in the present invention;
Fig. 4 is the structural representation of injector well in the present invention;
Fig. 5 is the structural representation of monitor well in the present invention;
Label in accompanying drawing is respectively: 1, nitrogen capsule, 2, peristaltic pump, 3, liquid storage bottle, 4, water inlet dashpot, 5, water inlet dashpot vent port and be with manometric gas outlet, 6, seepage tank, 7, porous water distribution dividing plate, 8-1, water inlet dashpot top board, 8-2, seepage tank top board, 8-3, water outlet dashpot top board, 9, injector well, 10, monitor well, 11, multi parameter water quality probe, 12, water analysis terminal display, 13, piezometric tube, 14, water outlet dashpot, 15, osculum and valve, 16, liquid flowmeter, 17, seepage tank air admission hole and draft tube, 18, seepage tank vent port and be with manometric gas outlet, 19, water outlet dashpot vent port and be with manometric gas outlet, 20, liquids recovery bottle, 21, screw-mouth cover with rubber plug, 22, sampling needle tubing, 23, monitor well exhausr port, 24, screen casing 25, strip-type screen seam.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further detailed explanation.
Embodiment 1
As shown in Fig. 1 ~ 5, a kind of underground water in-situ chemical of the present invention and biological prosthetic simulation test device, mainly comprise rectangle seepage tank 6, water inlet dashpot 4, water outlet dashpot 14, water supply installation and liquids recovery bottle 20, wherein, water supply installation is comprised of the nitrogen capsule 1 being sequentially connected, liquid storage bottle 3 and peristaltic pump 2; Water supply installation is connected with water inlet dashpot 4 bottoms by delivery hose, seepage tank 6 water inlet sides and water outlet side are communicated with water inlet dashpot 4 and water outlet dashpot 14 by porous water distribution dividing plate 7 respectively, water outlet dashpot 14 outside differing heights are respectively equipped with the osculum (being osculum and the valve 15 in Fig. 1) with valve, and osculum is connected to liquids recovery bottle 20 by delivery hose and liquid flowmeter 16; Seepage tank 6 upstreams are provided with the injector well 9 that a row longitudinally equidistantly arranges, in groove, space is provided with some monitor wells 10, multi parameter water quality probe 11 is housed in well, and all multi parameter water quality probes 11 are all connected to the water analysis terminal display 12 that is positioned at seepage tank 6 outsides; Seepage tank and water-in and water-out dashpot top are equipped with the flange form organic glass top board sealing, seepage tank top board 8-2 is provided with seepage tank air admission hole and draft tube 17, seepage tank vent port and is with manometric gas outlet 18, water inlet dashpot top board 8-1 is provided with into water dashpot vent port and is with manometric gas outlet 5, and water outlet dashpot top board 8-3 is provided with water outlet dashpot vent port and is with manometric gas outlet 19.Seepage tank front side wall be provided with four L shaped piezometric tube 13(that laterally equidistantly arrange be seepage tank sidewall apart near position perforate bottom, tapping is equipped with L shaped piezometric tube).These four L shaped piezometric tube for observe simulation water-bearing zone along Cheng Shuiwei, and discharge the unnecessary bubble in cell body.
Described water supply installation is comprised of the nitrogen capsule 1 being sequentially connected, liquid storage bottle 3 and peristaltic pump 2, between liquid storage bottle 3 and peristaltic pump 2, with delivery hose, connects.Nitrogen capsule 1 is consistent with external atmosphere pressure for maintaining liquid storage bottle 3 internal pressures, to guarantee that liquid flows out smoothly from bottle; Peristaltic pump 2, for regulating the flow of inlet water of seepage tank 6, can be selected standard form peristaltic pump, and flow range is that 0.03 ~ 500mL/min(the present embodiment is selected BT100N type peristaltic pump, and Baoding, Hebei province Shen Chenbeng industry company limited produces).
Described seepage tank and water-in and water-out dashpot form by poly (methyl methacrylate) plate, and plate thickness is 1cm; Seepage tank is of a size of 105 * 36 * 46cm(length * wide * height), water-in and water-out dashpot is of a size of 7 * 36 * 46cm(length * wide * height).
Described porous water distribution dividing plate 7 materials are organic glass, and thickness is 1cm, and bore dia is 0.5cm, and pitch of holes is 1cm, and dividing plate outside parcel 60 μ m stainless steel cloths are blocked water distributing pore to prevent silt particle.
5 osculums are established in described water outlet dashpot 14 outsides from bottom to top altogether, pitch of holes is 7.5cm, the spiral valve of being with for adjusting water outlet flow, and fix exact figures value with connect flow measurement, flowmeter can be selected glass rotameter, and measurement range is the LZB-50 type spinner-type flowmeter that the preferred Tianjin of 0.1 ~ 2.0L/h(the present embodiment flow instrument company limited produces).
Described injector well 9 is porous PVC pipe, and diameter is 3cm, and length is 40cm, and bore dia is 0.5cm, and pitch of holes is 1cm; Described monitor well 10 is pvc pipe, diameter is 2.5cm, length is 36cm, every monitoring well casing bottom is the screen casing 24 with strip-type screen seam 25, the screen segment length of monitor well bottom is 10cm, strip-type screen seam width on screen casing is 0.5cm, and monitor well top is provided with 1 exhausr port (being monitor well exhausr port 23), for gathering the gas componant in monitor well.The outside of the outside of injector well bottom hole and monitor well lower screen is all wrapped up 60 μ m stainless steel cloths and is blocked sieve aperture to prevent silt particle; Injector well and all sealings of monitoring well casing bottom; Injector well and monitoring well casing top are all with screw-mouth cover 21 sealings with rubber plug.
The indexs such as described multi parameter water quality probe 11 dissolved oxygen DOs (DO) for water sample in on-line determination screen casing, pH, conductivity (EC) and oxidation-reduction potential (ORP), can select Compound transducer to save space (the HI9829 type that the preferred Italian HANNA of the present embodiment instrument company produces is popped one's head in).
Described in a kind of embodiment of utilization 1, underground water in-situ chemical and biological prosthetic simulation test device carry out, and under simulation anaerobic condition, the simulation experiment method of the in-situ chemical Co-bioremediation process of chlorohydrocarbon polluted underground water is as follows:
In process of the test, first open the flange form organic glass top board 8-2 at seepage tank 6 tops, within anaerobic condition packs cell body into, for guaranteeing that medium does not produce crack after water inlet, often add the high coarse sand of 5cm need to pave, tamp coarse sand.Water-bearing zone loading height is 25cm, and fills out the thick clay of 6cm as aeration zone at anaerobic condition upper surface, to prevent the volatilization of chlorinated hydrocarbon contaminants.In filling anaerobic condition, injection well casing 10 and monitoring well casing 11 are also packed into cell body from groove top by certain vertical and horizontal layout.Totally 5 of injection well casings are uniformly distributed in seepage tank plane longitudinal extent, and to guarantee forming sufficient reaction zone in water-bearing zone, tube pitch is 6cm, and pipe, apart from seepage tank bottom 3cm, is 15cm apart from groove water inlet end, in seepage flow cell body, establish altogether 5 row monitor wells, wherein 1 row monitor well is in injector well upstream, apart from injector well 10cm, all the other 4 row monitor wells are in injector well downstream, respectively apart from injector well 10cm, 30cm, 55cm and 85cm, every row monitor well is uniformly distributed 3 monitoring points (as shown in Figure 2) in seepage tank plane longitudinal extent, spacing is 9cm, 2 monitoring well casings of each layout of the monitoring points, respectively apart from seepage tank bottom 6cm and 18cm(as shown in Figure 1), in every monitoring well casing, multi parameter water quality probe 11 is installed, and be connected with the water analysis terminal display 12 outside device.
After All Media filling, from water inlet dashpot 4 bottoms, slowly inject distilled water, with the water of being satisfied in simulation water-bearing zone.When the every rising 5cm in trough inner water position is high, stop promoting water level, surely put a period of time, until the final submergence layer of sand of water level surface.By peristaltic pump 2, controlling flow is 0.5L/h.Flow of inlet water is very low is in order to obtain maximum full water degree, reduces during water infiltrates bubble volume in medium, avoids the impact of air on follow-up test in groove.The full water process of medium continues about 24h, and stable 24h, afterwards by air remaining in layer of sand sucking-off from piezometric tube 13, makes piezometric level all be stabilized in 30cm height.
After full water finishes, the chlorohydrocarbon polluted underground water after deoxygenation is flowed in seepage tank through peristaltic pump from liquid storage bottle 3.By peristaltic pump and water outlet dashpot osculum (differing heights), control water-in and water-out flow respectively, regulate the hydraulic parameters in simulation water-bearing zone, making seepage tank head difference is 1cm, and hydraulic gradient is 9.5 ‰, and determines the water velocity in simulation water-bearing zone by chlorion tracer experiment.
When polluted underground water simulation in water-bearing zone saturated and be uniformly distributed after, from injector well 9, add and can promote chlorohydrocarbon chemistry and biodegradable composite drug simultaneously, start to simulate the process that in-situ chemical and bioaugmentation measure are combined reparation chlorohydrocarbon polluted underground water.Add after medicament, first with the screw-mouth cover 21 with rubber plug, each Injection Well and monitor well are sealed, with flange form organic glass top board 8-2, analogue means is sealed again, seepage tank air admission hole 17 finally by top board passes into a period of time nitrogen in seepage tank, to guarantee that whole system is in anaerobism groundwater condition.Simulation system run duration maintains water-in and water-out flow speed stability, 12 ℃ of water-bearing zone temperature.Working time 120d, every 7d, with multi parameter water quality probe 11, connect pH, DO, ORP and the EC that water analysis terminal display 12 is measured monitoring WIH, again organic glass top board is taken off, with the syringe with 0.45 μ m filter membrane (sampling needle tubing 22), through screw-mouth cover rubber plug, take water sample 20ml in monitor well, by national standard, measure wherein chlorohydrocarbon concentration, TOC and micro organism quantity, and through monitor well exhausr port 23, gather and analyze CO in monitor well with multi-parameter gas analyser
2and O
2content.After each sampling finishes, again with organic glass top board, analogue means is sealed, and pass into nitrogen deoxygenation.After end of run, the polluted underground water in analogue means is slowly drained, gather near sand sample each monitor well bottom, analyze wherein chlorohydrocarbon content and micro organism quantity and activity.Utilize above-mentioned data, and with the not control treatment comparison of adding medicine, inquire into dynamic repairing effect and mechanism of action that chemistry and bioaugmentation measure are combined reparation chlorohydrocarbon polluted underground water.
Embodiment 3
Another kind utilizes described in embodiment 1 that underground water in-situ chemical and biological prosthetic simulation test device carry out, the simulation experiment method of the in-situ chemical Co-bioremediation process of chlorohydrocarbon polluted underground water under simulation anaerobic condition, substantially the same manner as Example 2, difference is:
Often add the high coarse sand of 2cm need to pave, tamp.Water-bearing zone loading height is 15cm, and fills out the thick clay of 2cm as aeration zone at anaerobic condition upper surface; Totally 2 of injection well casings, tube pitch is 9cm, the pipe end, is apart from seepage tank bottom 5cm, apart from groove water inlet end 10cm; In seepage flow cell body, establish altogether 3 row monitor wells, wherein 1 row monitor well is in injector well upstream, and apart from injector well 15cm, all the other 2 row monitor wells, in injector well downstream, are laid apart from injector well 30cm, 60cm respectively; Every row monitor well is uniformly distributed 5 monitoring points in seepage tank plane longitudinal extent, and spacing is 6cm, and 2 monitoring well casings of each layout of the monitoring points, respectively apart from seepage tank bottom differing heights 12cm, 18cm.In seepage tank, after the every rising 2cm of water level, stop promoting water level, surely put a period of time; By peristaltic pump, controlling flow is 0.3L/h; Medium satisfy water process 25h stable 72h; By air remaining in layer of sand sucking-off from piezometric tube, make piezometric level all be stabilized in 15 ± 5cm high afterwards.The hydraulic parameters that regulates simulation water-bearing zone, making seepage tank head difference is 0.5cm, hydraulic gradient is 4.8 ‰.Simulation system run duration maintains water-in and water-out flow speed stability, 10 ℃ of water-bearing zone temperature, working time 180d; Every 15d, with multi parameter water quality probe, connect pH, DO, ORP and the EC that terminal display is measured monitoring WIH; Again the sealing top board at seepage tank top is taken off, use with the syringe of 0.45 μ m filter membrane and take water sample 100ml in monitor well through screw-mouth cover rubber plug.
Another kind utilizes described in embodiment 1 that underground water in-situ chemical and biological prosthetic simulation test device carry out, atrazine (the chloro-4-diethylin-6-of 2-isopropylamine base-1 under simulation anaerobic condition, 3,5-triazine) simulation experiment method of the in-situ chemical Co-bioremediation process of polluted underground water, substantially the same manner as Example 2, difference is:
Often add the high coarse sand of 10cm need to pave, tamp.Water-bearing zone loading height is 30cm, and fills out the thick clay of 10cm as aeration zone at anaerobic condition upper surface; Totally 8 of injection well casings, tube pitch is 4cm, the pipe end, is apart from seepage tank bottom 1cm, apart from groove water inlet end 18cm; In seepage flow cell body, establish altogether 8 row monitor wells, wherein front 2 row monitor wells are in injector well upstream, and respectively apart from injector well 2cm, 15cm, all the other 6 row monitor wells are in injector well downstream, respectively apart from injector well 10cm, 25cm, 40cm, 55cm, 70cm and 85cm apart from laying; Every row monitor well is uniformly distributed 2 monitoring points in seepage tank plane longitudinal extent, and spacing is 9cm, and 4 monitoring well casings of each layout of the monitoring points, respectively apart from seepage tank bottom differing heights 6cm, 12cm, 18cm and 24cm.In seepage tank, after the every rising 10cm of water level, stop promoting water level, surely put a period of time; By peristaltic pump, controlling flow is 0.8L/h; Medium satisfy water process 30h stable 12h; By air remaining in layer of sand sucking-off from piezometric tube, make piezometric level all be stabilized in 30 ± 5cm high afterwards.The hydraulic parameters that regulates simulation water-bearing zone, making seepage tank head difference is 1.5cm, hydraulic gradient is 14.3 ‰.To adding in injector well, can promote Atrazine chemistry and biodegradable composite drug, simulation in-situ chemical and bioaugmentation measure are combined the atrazine-contaminated underground water process of reparation simultaneously.Simulation system run duration maintains water-in and water-out flow speed stability, 25 ℃ of water-bearing zone temperature, working time 60d; Every 3d, with multi parameter water quality probe, connect pH, DO, ORP and the EC that terminal display is measured monitoring WIH; Again the sealing top board at seepage tank top is taken off, use with the syringe that is less than 0.45 μ m filter membrane and take water sample 10ml in monitor well through screw-mouth cover rubber plug.
Embodiment 5
Another kind utilizes underground water in-situ chemical and biological prosthetic simulation test device as described in Example 1 to carry out, the simulation experiment method of the in-situ chemical Co-bioremediation process of atrazine polluted underground water under simulation anaerobic condition, substantially the same manner as Example 4, difference is:
Seepage tank is of a size of 250 * 115 * 60cm(length * wide * height).Water-bearing zone loading height is 40cm, and piezometric level to be all stabilized in 40 ± 5cm high.The hydraulic parameters that regulates simulation water-bearing zone, making seepage tank head difference is 5cm, hydraulic gradient is 20 ‰.Simulation system run duration maintains water-in and water-out flow speed stability, 11 ℃ of water-bearing zone temperature, working time 150d.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered within the scope of protection of the present invention.
Claims (10)
1. a underground water in-situ chemical and biological prosthetic simulation test device, it is characterized in that, mainly comprise seepage tank, water inlet dashpot, water outlet dashpot, water supply installation and liquids recovery bottle, water supply installation is comprised of the nitrogen capsule, liquid storage bottle and the peristaltic pump that are sequentially connected; Water supply installation is connected with water inlet dashpot bottom by delivery hose, seepage tank water inlet side and water outlet side are communicated with water inlet dashpot and water outlet dashpot by porous water distribution dividing plate respectively, outside water outlet dashpot, differing heights is respectively equipped with the osculum with valve, by delivery hose and flowmeter, is connected to liquids recovery bottle; Seepage tank upstream is provided with injector well; In seepage tank, be provided with some monitor wells, be provided with multi parameter water quality probe in monitor well, multi parameter water quality probe is connected with the water analysis terminal display that is positioned at seepage tank outside; Seepage tank and water-in and water-out dashpot top are provided with the top board sealing, and top board is provided with inlet and outlet hole; On the sidewall of seepage tank, apart near position bottom, have perforate, tapping is provided with L shaped piezometric tube.
2. underground water in-situ chemical as claimed in claim 1 and biological prosthetic simulation test device, is characterized in that, described seepage tank and water-in and water-out dashpot are square, by poly (methyl methacrylate) plate, make; Described seepage tank and water-in and water-out dashpot top are equipped with flange form organic glass top board, seepage tank top board is provided with air admission hole and draft tube, vent port and is with manometric gas outlet, water inlet dashpot top board is provided with vent port and is with manometric gas outlet, and water outlet dashpot top board is provided with vent port and is with manometric gas outlet.
3. underground water in-situ chemical as claimed in claim 1 or 2 and biological prosthetic simulation test device, is characterized in that, described seepage tank upstream is provided with the injector well that a row longitudinally equidistantly arranges; Each injector well sealed bottom, top is provided with the screw-mouth cover with rubber plug; Each injector well bottom has a series of holes.
4. underground water in-situ chemical as claimed in claim 3 and biological prosthetic simulation test device, it is characterized in that, in described seepage tank cell body, be provided with the transversely arranged monitor well of multiple row, every row monitor well is uniformly distributed a plurality of monitoring points in seepage tank plane longitudinal extent, and each layout of the monitoring points has the monitoring well casing of many root distances seepage tank bottom differing heights; Every monitoring well casing sealed bottom, top is provided with the screw-mouth cover with rubber plug; Every monitoring well casing bottom is the screen casing with strip-type screen seam, and every monitoring well casing top is provided with exhausr port.
5. underground water in-situ chemical as claimed in claim 4 and biological prosthetic simulation test device, is characterized in that, described seepage tank front side wall is provided with the many L shaped piezometric tube of laterally equidistantly arranging.
6. underground water in-situ chemical as claimed in claim 5 and biological prosthetic simulation test device, is characterized in that, described porous water distribution dividing plate material is organic glass, and porous water distribution dividing plate outside is provided with screen pack; The outside of the outside of described injector well bottom hole and monitor well lower screen is equipped with screen pack.
7. underground water in-situ chemical as claimed in claim 6 and biological prosthetic simulation test device, it is characterized in that, in seepage flow cell body, be provided with 5 row monitor wells, every row monitor well is uniformly distributed 3 monitoring points in seepage tank plane longitudinal extent, and each layout of the monitoring points has the monitoring well casing of 2 root distance seepage tank bottom differing heights.
8. the simulation test device of utilization as described in claim 1-6 carries out underground water in-situ chemical and a biological prosthetic simulation experiment method, is characterized in that, carries out as follows:
(1), filled with medium: the sealing top board of opening seepage tank top, injection well casing and monitoring well casing are packed into cell body from groove top, simultaneously, using ground class material coarse sand, medium sand, fine sand, sandy silt, silt, silty clay or the clay with water permeability, within anaerobic condition packs seepage tank cell body into, every filling certain altitude is paved, is tamped; On water-bearing media layer, fill out afterwards thick layer clay;
(2), full water: after All Media filling, slowly inject distilled water from water inlet dashpot bottom, to the simulation water-bearing zone water of satisfying, until the final submergence water-bearing media of water level layer; By peristaltic pump, control flow and be less than 1L/h; The medium water process duration >=24h that satisfies, and stablize 12 ~ 72h; By air remaining in water-bearing media layer sucking-off from piezometric tube, piezometric level is all stabilized near the height of simulation water-bearing zone afterwards, is no more than up and down 5cm;
(3), pump into polluted underground water: after full water finishes, polluted underground water after deoxygenation is flowed in simulated slot through peristaltic pump from liquid storage bottle, by peristaltic pump and the water outlet dashpot osculum that is located at differing heights, control water-in and water-out flow respectively, regulate the hydraulic parameters in simulation water-bearing zone, make seepage tank head difference≤5cm, hydraulic gradient≤20 ‰, and determine the water velocity in simulation water-bearing zone by chlorion tracer experiment;
(4), when polluted underground water simulation in water-bearing zone saturated and be uniformly distributed after, to adding in injector well, organic chemical contaminant and biodegradable composite drug be can promote simultaneously, in-situ chemical and bioaugmentation measure associating renovation of organic pollution underground water process started to simulate:
1) add after medicament, first with the screw-mouth cover with rubber plug, each injector well and monitor well are sealed, with the sealing top board at seepage tank top, analogue means is sealed again, finally by the seepage tank air admission hole on top board, in seepage tank, pass into a period of time nitrogen, to guarantee that whole system is in anaerobism groundwater condition;
2) simulation system run duration maintains water-in and water-out flow speed stability, 10 ~ 25 ℃ of water-bearing zone temperature, and working time is more than 60 days;
3) every 3 ~ 15 days, with multi parameter water quality probe, connect pH, DO, ORP and the EC that terminal display is measured monitoring WIH; Again the sealing top board at seepage tank top is taken off, use with the syringe of≤0.45 μ m filter membrane and take water sample 10 ~ 100ml in monitor well through screw-mouth cover rubber plug, measure wherein pollutant levels, TOC and micro organism quantity, and through monitor well exhausr port, gather and analyze CO in monitor well with multi-parameter gas analyser
2and O
2content, again seals analogue means with sealing top board after each sampling finishes, and passes into nitrogen deoxygenation;
4) after system end of run, the polluted underground water in analogue means is slowly drained, gather near anaerobic condition sample each monitor well bottom, analyze wherein pollutant load and micro organism quantity and activity;
(5), utilize above-mentioned data, and with the not control treatment comparison of adding medicine, inquire into dynamic repairing effect and mechanism of action that chemistry and bioaugmentation measure are combined renovation of organic pollution underground water.
9. underground water in-situ chemical as claimed in claim 8 and biological prosthetic simulation experiment method, is characterized in that, filled with medium wherein and full water process are carried out as follows:
Open the sealing top board at seepage tank top, anaerobic condition is packed in seepage tank cell body, pave, tamp after often adding the anaerobic condition that 2 ~ 10cm is high; Water-bearing zone loading height is 15 ~ 40cm, and fills out the thick clay of 2 ~ 10cm as aeration zone at anaerobic condition upper surface;
In filling anaerobic condition, injection well casing is packed into cell body from groove top; Totally 2 ~ 8 of injection well casings are uniformly distributed in seepage tank plane longitudinal extent, and tube pitch is 4 ~ 9cm, and apart from seepage tank bottom 1 ~ 5cm, injection well casing is less than 20cm apart from groove water inlet end at the pipe end;
In filling anaerobic condition and injection well casing, monitoring well casing is also packed into cell body from groove top by certain vertical and horizontal layout: in seepage flow cell body, establish altogether 3 ~ 8 row monitor wells, wherein 1 ~ 2 row monitor well is in injector well upstream, apart from injector well 2 ~ 15cm, all the other monitor wells, in injector well downstream, are laid apart from injector well different distance respectively; Every row monitor well is uniformly distributed 2 ~ 5 monitoring points in seepage tank plane longitudinal extent, and spacing is 6 ~ 9cm; 2 ~ 4 monitoring well casings of each layout of the monitoring points, respectively apart from seepage tank bottom differing heights; In every monitoring well casing, multi parameter water quality probe is installed, and is connected with the water analysis terminal display outside device;
Being satisfied in water process in simulation water-bearing zone, in seepage tank, after the every rising 2 ~ 10cm of water level, stop promoting water level, surely put a period of time, until the final submergence water-bearing media layer of water level surface.
10. underground water in-situ chemical and biological prosthetic simulation experiment method as claimed in claim 8 or 9, is characterized in that, carries out as follows:
(1), open the sealing top board at seepage tank top, using coarse sand as anaerobic condition, pack in seepage tank cell body, pave, tamp after often adding the coarse sand that 5cm is high; Water-bearing zone loading height is 30cm, and fills out the thick clay of 6cm as aeration zone at anaerobic condition upper surface;
In filling anaerobic condition, injection well casing is packed into cell body from groove top; Totally 5 of injection well casings are uniformly distributed in seepage tank plane longitudinal extent, and tube pitch is 6cm, and apart from seepage tank bottom 3cm, injection well casing is less than 15cm apart from groove water inlet end at the pipe end;
In filling anaerobic condition and injection well casing, monitoring well casing is also packed into cell body from groove top by certain vertical and horizontal layout: in seepage flow cell body, establish altogether 5 row monitor wells, wherein 1 row monitor well is in injector well upstream, apart from injector well 10cm, all the other 4 row monitor wells are in injector well downstream, respectively apart from injector well 10cm, 30cm, 55cm and 85cm, every row monitor well is uniformly distributed 3 monitoring points in seepage tank plane longitudinal extent, spacing is 9cm, 2 monitoring well casings of each layout of the monitoring points, respectively apart from seepage tank bottom 6cm and 18cm;
(2), full water: after the every rising 5cm of water level, stop promoting water level in seepage tank, surely put a period of time, until the final submergence layer of sand of water level surface; By peristaltic pump, controlling flow is 0.5L/h; The full water process of medium continues 24h, and stable 24h; By air remaining in layer of sand sucking-off from piezometric tube, make piezometric level all be stabilized in 30 ± 5cm height afterwards;
(3), pump into polluted underground water: regulate the hydraulic parameters in simulation water-bearing zone, make seepage tank head difference 0.5 ~ 1.5cm, hydraulic gradient is 4.8 ~ 14.3 ‰;
(4), add composite drug, simulation in-situ chemical and biological prosthetic organic contamination underground water process:
1) add after medicament, first by each injector well and monitor well sealing, then by analogue means sealing, in the most backward seepage tank, pass into nitrogen;
2) simulation system run duration maintains water-in and water-out flow speed stability, 10 ~ 12 ℃ of water-bearing zone temperature, working time 120d;
3) every 7 days, with multi parameter water quality probe, connect pH, DO, ORP and the EC that terminal display is measured monitoring WIH; With the syringe with 0.45 μ m filter membrane, through screw-mouth cover rubber plug, take water sample 20ml in monitor well, measure wherein pollutant levels, TOC and micro organism quantity;
4) after system end of run, the polluted underground water in analogue means is slowly drained, gather near sand sample each monitor well bottom, analyze wherein pollutant load and micro organism quantity and activity;
(5), utilize above-mentioned data, and with the not control treatment comparison of adding medicine, inquire into chemistry and bioaugmentation measure and combine dynamic repairing effect and the mechanism of action of repairing polluted underground water.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005123610A1 (en) * | 2004-06-16 | 2005-12-29 | Mailath Stephen B | In-situ groundwater nitrification and de-nitrification remediation system |
| CN101556269A (en) * | 2009-05-19 | 2009-10-14 | 中国地质大学（武汉） | Trough for simulating groundwater pollution |
| CN102426225A (en) * | 2011-10-31 | 2012-04-25 | 青岛理工大学 | Experimental device and monitoring method for researching arsenic conversion of underground water |
| CN102520131A (en) * | 2011-12-09 | 2012-06-27 | 中国地质大学（武汉） | Multi-layered aquifer underground flow system-based underground water pollution simulator |
| CN202929029U (en) * | 2012-11-30 | 2013-05-08 | 上海市环境科学研究院 | Simulation test device for in-situ chemical and biological remediation of underground water |
-
2012
- 2012-11-30 CN CN201210501869.5A patent/CN103630659B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005123610A1 (en) * | 2004-06-16 | 2005-12-29 | Mailath Stephen B | In-situ groundwater nitrification and de-nitrification remediation system |
| CN101556269A (en) * | 2009-05-19 | 2009-10-14 | 中国地质大学（武汉） | Trough for simulating groundwater pollution |
| CN102426225A (en) * | 2011-10-31 | 2012-04-25 | 青岛理工大学 | Experimental device and monitoring method for researching arsenic conversion of underground water |
| CN102520131A (en) * | 2011-12-09 | 2012-06-27 | 中国地质大学（武汉） | Multi-layered aquifer underground flow system-based underground water pollution simulator |
| CN202929029U (en) * | 2012-11-30 | 2013-05-08 | 上海市环境科学研究院 | Simulation test device for in-situ chemical and biological remediation of underground water |
Non-Patent Citations (2)
| Title |
|---|
| 孟庆玲等: "组合材料渗透反应墙对硝基苯污染地下水的修复研究", 《北京大学学报（自然科学版）》, vol. 46, no. 3, 30 May 2010 (2010-05-30), pages 413 - 416 * |
| 金黄梅等: "油污染地下水原位生物修复试验研究", 《环境科学导刊》, vol. 29, no. 1, 31 December 2010 (2010-12-31), pages 53 - 56 * |
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