CN105967442A - Method for in-situ removal of iron, manganese and ammonia nitrogen in underground water and in-situ well design method - Google Patents
Method for in-situ removal of iron, manganese and ammonia nitrogen in underground water and in-situ well design method Download PDFInfo
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- CN105967442A CN105967442A CN201610388821.6A CN201610388821A CN105967442A CN 105967442 A CN105967442 A CN 105967442A CN 201610388821 A CN201610388821 A CN 201610388821A CN 105967442 A CN105967442 A CN 105967442A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/16—Component parts of wells
- E03B3/18—Well filters
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
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- 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
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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- 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
- C02F2101/203—Iron or iron compound
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- 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
- C02F2101/206—Manganese or manganese compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/003—Downstream control, i.e. outlet monitoring, e.g. to check the treating agents, such as halogens or ozone, leaving the process
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- 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
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Abstract
The invention provides a method for in-situ removal of iron, manganese and ammonia nitrogen in underground water and an in-situ well design method. Through the method, iron, manganese and ammonia nitrogen in the underground water can be removed in situ, and the underground water does not need to be pumped out of the ground surface for ectopic treatment. The method for in-situ removal of iron, manganese and ammonia nitrogen in the underground water comprises the steps that the underground water in an aquifer flows into an in-situ well located underground; in the in-situ well, iron, manganese and ammonia nitrogen in the underground water flowing into the in-situ well are removed in sequence; whether the underground water without iron, manganese and ammonia nitrogen meets a preset water quality index or not is judged, and if the underground water meets the preset water quality index, the underground water is stored in a water storage area of the in-situ well. The methods are suitable for the technical field of underground water purification.
Description
Technical field
The present invention relates to ground water cleaning technical field, particularly relate to ferrum, manganese in a kind of subsoil water of removal in situ
Method and original position well method for designing with ammonia nitrogen.
Background technology
In recent years, by the Northeast of China ground water chemistry characteristic analysis, villages and small towns, China northeast are drunk
Ferrum (such as, Fe is there is with water water source2+), manganese (such as, Mn2+) and ammonia nitrogen (such as, NH4+-N)
The phenomenon of content overproof.Shown by research, Fe2+、Mn2+Can remove with layer；But, when water contains
NH4+During-N, due to the difference of oxidation-reduction potential, Mn2+Biological oxidation can only occur in NH4+-N
Complete nitrification after, it can to Mn2+Biological removal have a direct impact, but, work as ammonia-nitrogen content
When below 2mg/L, it is for Mn2+Biological removal do not affect.Additionally, also there are some researches show,
In the case of use removes demanganization and ammonia nitrogen with metafiltration material, the oxidation of manganese and ammonia nitrogen is in filtering layer bottom
Carry out in 2/3 part, demonstrate Mn further2+With NH4+The idea that-N can remove with layer.
In prior art, it is possible to use " weak aeration+ferrimanganic biofilter " removes the ferrum in subsoil water, manganese
And ammonia nitrogen, " weak aeration+ferrimanganic biofilter " is all to carry out dystopy process after subsoil water extraction, it is adaptable to
Fairly large centralized water supply, and rural area underdeveloped is disperseed to the area of small-sized water supply, dystopy
The method of ferrum, manganese and ammonia nitrogen in subsoil water of removing is also unsuitable for promoting.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of original position and removes ferrum, manganese and the side of ammonia nitrogen in subsoil water
Method and in situ well method for designing, uncomfortable to solve ferrum, manganese and ammonia nitrogen technology in existing dystopy removal subsoil water
Problem for samll cities and towns.
For solving above-mentioned technical problem, the embodiment of the present invention provide a kind of remove in situ ferrum in subsoil water, manganese and
The method of ammonia nitrogen, including:
Subsoil water in water-bearing layer flows in original position well located underground；
In described original position well, remove successively the ferrum in the described subsoil water flowed in described original position well, manganese and
Ammonia nitrogen；
Judging whether the subsoil water after removing ferrum, manganese and ammonia nitrogen meets the water quality index preset, presetting if meeting
Water quality index, then by described ground water reserve water reserve in described original position well.
Further, before the subsoil water in described water-bearing layer flows in original position well located underground, also wrap
Include:
Determine inwall radius and the degree of depth of original position well of well in situ.
Further, before the subsoil water in described water-bearing layer flows in original position well located underground, also wrap
Include:
Determine the filling degree of depth of filter in the original position well borehole wall.
Further, the described ferrum removed successively in the described subsoil water flowed in described original position well, manganese and
Before ammonia nitrogen, also include:
Will be except ferrum filtrate, demanganization filtrate, load in described original position well except ammonia nitrogen filtrate；
Described in described original position well, remove successively the ferrum in the described subsoil water flowed in described original position well,
Manganese and ammonia nitrogen, including:
The subsoil water flowed in described original position well is carried out Air Exposure；
Subsoil water after Air Exposure is carried out successively catalytic oxidation except ferrum, the contact autocatalyzed oxidation micro-life of associating
Thing demanganization, microorganism nitration for removing ammonia nitrogen.
Further, the described catalytic oxidation that carries out the subsoil water after Air Exposure removes ferrum, including:
By adsorb except the irony active filter film of ferrum filter material surface ferrous iron in the subsoil water after Air Exposure from
Son, the oxidized removal under the catalytic action of described irony active filter film of adsorbed ferrous ion.
Further, described subsoil water after Air Exposure is carried out contact autocatalyzed oxidation associating microorganism remove
Manganese, including:
Predetermined solid particulate matter prepared Coated With Manganese Oxide material as demanganization filtrate, by described demanganization
The Mn in subsoil water after filtrate absorption Air Exposure2+, adsorbed Mn2+It is oxidized to MnO2, and
It is deposited on the surface of described demanganization filtrate；
By load of microorganisms, make microorganism constantly breed and be attached to described demanganization filter material surface, to remove
Manganese in subsoil water；
It is deposited on the MnO of described demanganization filter material surface2With the microorganism being attached to described demanganization filter material surface
Form one layer of manganese matter active filter film.
Further, including:
By except ferrum filtrate, demanganization filtrate, recoil the recoil being washed till in situ well except the precipitate in ammonia nitrogen filtrate
Wash waste water catchment；
By the backwashing wastewater draining pump in original position well, the waste water in backwashing wastewater catchment is discharged.
The embodiment of the present invention also provides for a kind of original position and removes ferrum, manganese and the original position well design side of ammonia nitrogen in subsoil water
Method, it is characterised in that described original position well is located underground, described original position well method for designing includes:
Determine the filter module of purification of ground water；
Determine except ferrum, manganese and ammonia nitrogen module and judge module；
Wherein, described except ferrum, manganese and ammonia nitrogen module, described for receiving by the inflow of described filter module
Subsoil water in well in situ, and remove successively the ferrum in the described subsoil water flowed in described original position well, manganese and
Ammonia nitrogen；
Described judge module, for judging whether the subsoil water after removing ferrum, manganese and ammonia nitrogen meets the water preset
Matter index, if meeting the water quality index preset, then by the water-retention in described original position well of the described ground water reserve
District.
Further, described original position well method for designing also comprises determining that into water aeration module；
Wherein, described water inlet aeration module, for carrying out at aeration the subsoil water flowed in described original position well
Reason；
It is described except ferrum, manganese and ammonia nitrogen module, specifically for the subsoil water after Air Exposure is contacted successively
Iron removal by oxidation, contact autocatalyzed oxidation associating microorganism demanganization, microorganism nitration for removing ammonia nitrogen.
Further, described original position well method for designing also includes:
Determine backwash module and backwashing wastewater drain module；
Wherein, described backwash module: for by except ferrum filtrate, demanganization filtrate, heavy except in ammonia nitrogen filtrate
Shallow lake thing recoil is washed till the backwashing wastewater catchment in original position well；
Described backwashing wastewater drain module, for recoiling by the backwashing wastewater draining pump in original position well
Wash the waste water in waste water catchment to discharge.
Having the beneficial effect that of the technique scheme of the present invention:
In such scheme, the subsoil water in water-bearing layer flows into original position well located underground in its natural state,
In described original position well, ferrum, manganese and ammonia nitrogen in described subsoil water are removed successively, finally reach after purification
The ground water reserve of predetermined quality index water reserve in described original position well, the water in water reserve can be direct
Extract out for resident.So, it is not necessary to subsoil water is extracted out earth's surface and carries out dystopy process, it is possible to effectively reduce
Floor space, reduce the capital consumption such as Surface structure and Insulation simultaneously, be suitable for relatively low little of water consumption
Cities and towns.
Accompanying drawing explanation
Fig. 1 removes the flow process of the method for ferrum, manganese and ammonia nitrogen in subsoil water for the original position that the embodiment of the present invention provides
Schematic diagram；
Subsoil water ferrum, manganese and the ammonia nitrogen that Fig. 2 provides for the embodiment of the present invention is removed technical module flow process in situ and is shown
It is intended to one；
Subsoil water ferrum, manganese and the ammonia nitrogen that Fig. 3 provides for the embodiment of the present invention is removed technical module flow process in situ and is shown
The structural representation two being intended to；
The original position well front schematic view that Fig. 4 provides for the embodiment of the present invention；
The schematic diagram of the original position well that Fig. 5 provides for embodiment of the present invention cross section at ground；
The cross sectional representation of the initiating terminal of original position Jing Zhishuiqu that Fig. 6 provides for the embodiment of the present invention；
The cross sectional representation of the original position well backwashing wastewater catchment that Fig. 7 provides for the embodiment of the present invention；
Original position Jing Chutie district, demanganization district and the cross section except ammonia nitrogen district that Fig. 8 provides for the embodiment of the present invention show
It is intended to；
The cross sectional representation of original position Jing Fanchongxiqu that Fig. 9 provides for the embodiment of the present invention；
The cross sectional representation of the original position well water reserve that Figure 10 provides for the embodiment of the present invention.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with attached
Figure and specific embodiment are described in detail.
The method of ferrum, manganese and ammonia nitrogen in existing dystopy removal subsoil water that the present invention is directed to is not suitable for samll cities and towns
Problem, it is provided that a kind of original position removes ferrum in subsoil water, manganese and the method for ammonia nitrogen and well method for designing in situ.
Embodiment one
Referring to shown in Fig. 1, a kind of original position that the embodiment of the present invention provides removes ferrum, manganese and ammonia nitrogen in subsoil water
Method, including:
Step 101: the subsoil water in water-bearing layer flows in original position well located underground；
Step 102: in described original position well, removes in the described subsoil water flowed in described original position well successively
Ferrum, manganese and ammonia nitrogen；
Step 103: judge whether the subsoil water after removing ferrum, manganese and ammonia nitrogen meets the water quality index preset,
If meeting the water quality index preset, then by described ground water reserve water reserve in described original position well.
Original position described in the embodiment of the present invention removes ferrum, manganese and the method for ammonia nitrogen in subsoil water, in water-bearing layer
Subsoil water flows into original position well located underground in its natural state, in described original position well, ferrum in subsoil water,
Manganese and ammonia nitrogen are removed successively, finally reach the ground water reserve of predetermined quality index described former after purifying
Water reserve in the well of position, the water in water reserve can directly be extracted out for resident.So, it is not necessary to by underground
Water is extracted earth's surface out and is carried out dystopy process, it is possible to effectively reduce floor space, simultaneously minimizing Surface structure and guarantor
The capital consumptions such as temperature measure, are suitable for the samll cities and towns that water consumption is relatively low.
In the embodiment of the present invention, the subsoil water after removing ferrum, manganese and ammonia nitrogen is unsatisfactory for the water quality index preset
Time, described subsoil water need to be performed again the removal step of ferrum, manganese and ammonia nitrogen, ensure samll cities and towns local resident
The safety of Drinking Water.
In the embodiment of the present invention, the water quality index preset includes: total iron content index, total manganese in water quality contain
Figureofmerit and ammonia nitrogen, nitrite nitrogen, nitrate nitrogen content index.
In the embodiment of the present invention, in order to remove ferrum, manganese and the ammonia nitrogen in subsoil water, formulate such as Fig. 2 and Tu
Subsoil water ferrum shown in 3, manganese and ammonia nitrogen remove technical module flow process in situ, and described technical module includes: enter
Water modules A, processing module B, water outlet module C；Wherein, described water inlet modules A includes: become well module
A1 and water inlet gas explosion modules A 2；Described one-tenth well modules A 1 includes: well-digging modules A 1-1 and filter mould
Block A1-2；Described processing module B includes: except swage block B1, demanganization module B2, except ammonia nitrogen module B3.
Described water outlet module C includes: water purification water module C1.
Further, each technical module is described in detail.
In aforementioned original position removes subsoil water in the detailed description of the invention of the method for ferrum, manganese and ammonia nitrogen, further
Ground, before the subsoil water in described water-bearing layer flows in original position well located underground, also includes:
Determine inwall radius and the degree of depth of original position well of well in situ.
In the embodiment of the present invention, under normal circumstances, below ground one segment distance is phreatic surface, therefore,
During design in situ well, based on original position well technique, and the water yield/output requirement of well in situ can be combined,
The degree of depth of the inwall radius of original position well of less expensive and in situ well can be determined by well-digging modules A 1-1.
As shown in Figure 4, R1 represents the inwall radius of well in situ.
In aforementioned original position removes subsoil water in the detailed description of the invention of the method for ferrum, manganese and ammonia nitrogen, further
Ground, before the subsoil water in described water-bearing layer flows in original position well located underground, also includes:
Determine the filling degree of depth of filter in the original position well borehole wall.
In the embodiment of the present invention, as shown in Figure 4, during normal Cheng Jing, the borehole wall of well needs in situ
It is filled with filtrate as inhalant region (I-I ' in Fig. 4 to II-II ') filter, described filter, is used for
Strengthening the water penetration of described original position well and prevent silt from entering in described original position well, the R3 in Fig. 4 represents former
Position well outer radius.
In the embodiment of the present invention, based on original position well technique, and the water yield requirement of in situ well can be combined, logical
Cross filter module A1-2 and determine that the filter of less expensive loads the degree of depth.
In aforementioned original position removes subsoil water in the detailed description of the invention of the method for ferrum, manganese and ammonia nitrogen, further
Ground, before ferrum, manganese and the ammonia nitrogen in the described described subsoil water removed successively in the described original position well of inflow,
Also include:
Will be except ferrum filtrate, demanganization filtrate, load in described original position well except ammonia nitrogen filtrate.
In the embodiment of the present invention, described include except ferrum filtrate, demanganization filtrate, filling mode except ammonia nitrogen filtrate:
Overall filling or pouch subpackage.As a example by pouch subpackage, can by except ferrum filtrate, demanganization filtrate, except ammonia nitrogen
Filtrate be respectively charged into after being distributed into pouch except ferrum district, demanganization district, except ammonia nitrogen district, when quality problems occurs in filtrate
Time can splitting remove, more convenient.
Described in described original position well, remove successively the ferrum in the described subsoil water flowed in described original position well,
Manganese and ammonia nitrogen, including:
The subsoil water flowed in described original position well is carried out Air Exposure；
Subsoil water after Air Exposure is carried out successively catalytic oxidation except ferrum, the contact autocatalyzed oxidation micro-life of associating
Thing demanganization, microorganism nitration for removing ammonia nitrogen.
In the embodiment of the present invention, as shown in Figure 4, iron content, manganese, the subsoil water of ammonia nitrogen flow into from water-bearing layer
Inhalant region in well (I-I ' in Fig. 4 to II-II ') in situ, flows in situ after well, can first pass through into
Water aeration modules A 2 carries out first Air Exposure in aeration zone to the subsoil water flowed in original position well, then passes through
Except swage block B1 is carrying out catalytic oxidation except ferrum except ferrum district；Then, demanganization module B2 is recycled and except ammonia
Nitrogen module B3 carries out contacting autocatalyzed oxidation associating microorganism demanganization and microorganism in demanganization district, except ammonia nitrogen district
Nitration for removing ammonia nitrogen；Finally, remove the water reserve that the subsoil water after ferrum, manganese and ammonia nitrogen is stored in original position well,
Can also be evacuated in water tank use for resident by the water in water reserve by water pump.
In the embodiment of the present invention, the I-I ' in Fig. 4 to II-II ' represents inhalant region, II-II ' to III-III '
Representing water inlet aeration zone, III-III ' to IV-IV ' represents backwashing wastewater catchment, IV-IV ' to V-
V ' represents except ferrum district, demanganization district and except ammonia nitrogen district, V-V ' to VI-VI ' represent backwash district, VI-
VI ' down represents water reserve；Wherein, II-II ' represent that well inhalant region terminates in situ, initially enters sealing
District.Sealing represents and is completely enclosed by the original position well borehole wall, has prevented subsoil water from passing through the borehole wall and has entered well in situ
In.Fig. 5 to Figure 10 represents the cross sectional representation of well zones of different in situ.
As shown in Figure 4, R2 represents except ferrum district, demanganization district, radius except filtrate fill area, ammonia nitrogen district, base
This is consistent with R1, but owing to there is a water pump centre, so to deduct the radius of this water pump, if
For R2.
In the embodiment of the present invention, removing of ferrum, manganese and ammonia nitrogen needs enough oxygen, described water inlet aeration module
A2, is used for determining aeration rate (it is, providing the amount of oxygen) and aeration pump, simultaneously described to flowing into
Subsoil water in well carries out Air Exposure in situ so that the subsoil water after Air Exposure is molten with abundance
Solve oxygen.
In the embodiment of the present invention, described water purification water module C1, for the purpose of ensureing water yield, is used for determining
The water draw rate of water body, flow velocity and water pump；Concrete, will be by except swage block B1, demanganization module B2
With except the water reserve in the ground water reserve well in position after the process of ammonia nitrogen module B3, water pump can be passed through
Carrying out water intaking to use, can fetch water continuously under normal circumstances, the water yield is in dynamic equilibrium state.
In the embodiment of the present invention, by except ferrum district except ferrum filtering layer, the demanganization filtering layer in demanganization district and except ammonia
Nitrogen district except ammonia nitrogen filtering layer under different filtering velocitys to ferrum, manganese, the removal dynamics research of ammonia nitrogen, it may be determined that
The thickness X of different filtering layers under a default filtering velocity, Y, Z, with while meeting water supply flow,
Remove while realizing ferrum, manganese and ammonia nitrogen.
In the embodiment of the present invention, place water-stop sheet at the boundary except ferrum, manganese and three filtering layers of ammonia nitrogen determined,
So that each metafiltration material is carried out backwash.In each filtering layer use filtrate can with subpackage pouch mode from
During well head is filled into described original position well in situ, it is ensured that the uniform filling in construction progress, is also in the future simultaneously
Change filtrate and provide convenient.
In aforementioned original position removes subsoil water in the detailed description of the invention of the method for ferrum, manganese and ammonia nitrogen, further
Ground, the described catalytic oxidation that carries out the subsoil water after Air Exposure removes ferrum, including:
By adsorb except the irony active filter film of ferrum filter material surface ferrous iron in the subsoil water after Air Exposure from
Son, the oxidized removal under the catalytic action of described irony active filter film of adsorbed ferrous ion.
In the embodiment of the present invention, except swage block B1 with catalytic oxidation except ferrum as principle, with meet the water outlet water yield,
Water quality (total iron content) is target, and preparation is except ferrum filtrate, and determines that this removes the Specifeca tion speeification of ferrum filtrate；
Wherein, described Specifeca tion speeification includes: mechanical strength, permeability and ferrum is gone decapacitation except ferrum filter membrane
Power.
In the embodiment of the present invention, catalytic oxidation except in ferrum process rise catalytic action except ferrum filter material surface
Irony active filter film.First this irony active filter film adsorbs the ferrous ion in water；Adsorbed ferrous ion
Under the catalytic action of this irony active filter film the most oxidized and make catalyst regenerate, reaction product is
Catalyst, participates in again new catalytic reaction.
In aforementioned original position removes subsoil water in the detailed description of the invention of the method for ferrum, manganese and ammonia nitrogen, further
Ground, described carry out the subsoil water after Air Exposure contacts autocatalyzed oxidation associating microorganism demanganization, including:
Predetermined solid particulate matter prepared Coated With Manganese Oxide material as demanganization filtrate, by described demanganization
The Mn in subsoil water after filtrate absorption Air Exposure2+, adsorbed Mn2+It is oxidized to MnO2And sink
Amass the surface at described demanganization filtrate；
By load of microorganisms, make microorganism constantly breed and be attached to described demanganization filter material surface, to remove
Manganese in subsoil water；
It is deposited on the MnO of described demanganization filter material surface2With the microorganism being attached to described demanganization filter material surface
Form one layer of manganese matter active filter film.
In the embodiment of the present invention, demanganization module B2 with contact autocatalyzed oxidation associating microorganism demanganization as principle,
To meet the water outlet water yield, water quality (total Fe content) as target, prepare demanganization filtrate, and determine that this demanganization is filtered
The Specifeca tion speeification of material；Wherein, described Specifeca tion speeification includes: mechanical strength, permeability and remove
The manganese filter membrane removal ability to manganese.
In the embodiment of the present invention, during contact autocatalyzed oxidation demanganization, the oxide (MnO of manganese2)
Mn in removing water body2+During play adsorbing-oxidising effect.But due to individually with manganese oxide powder
As demanganization filtrate, in demanganization processing procedure can by as solid/liquid separation difficulty, mass loss greatly and
Due to the impact of powder own characteristic (such as factors such as undefined structure, hyposmosis coefficients), seriously hinder
Its application in terms of demanganization.In order to solve this problem, oxygen can be prepared on predetermined solid particulate matter
Change manganese coating material is as demanganization filtrate, by the subsoil water after described demanganization filtrate absorption Air Exposure
Mn2+, adsorbed Mn2+It is oxidized to MnO2And it is deposited on the surface of described demanganization filtrate, wherein,
Described solid particulate matter refers to the base material selected, its need to have preferable mechanical strength, infiltration coefficient with,
Higher porosity and specific surface area.
In the embodiment of the present invention, it is also possible to by load of microorganisms, microorganism can be made constantly to breed and be attached to
Described demanganization filter material surface, to remove the manganese in subsoil water, the most oxidized MnO2It also is deposited upon described
Demanganization filter material surface, forms one layer of black film with microorganism, as the manganese in contact autocatalyzed oxidation demanganization process
Matter active filter film, thus reach to increase demanganization amount and the purpose of demanganization filtrate use time.
In the embodiment of the present invention, except ammonia nitrogen module B3 is with the microorganism nitrosation of ammonia nitrogen, nitrification as principle,
To meet the water outlet water yield, water quality (ammonia nitrogen, nitrite nitrogen, nitrate nitrogen content) as target, preparation is except ammonia nitrogen
Filtrate, and determine that this removes the Specifeca tion speeification of ammonia nitrogen filtrate, wherein, described Specifeca tion speeification includes:
Mechanical strength, infiltration coefficient, porosity and specific surface area.
In the embodiment of the present invention, main by the ammonia in the subsoil water after microbiological oxidation removal Air Exposure
Nitrogen, the method not only removal effect is good, and operating cost is low.
In aforementioned original position removes subsoil water in the detailed description of the invention of the method for ferrum, manganese and ammonia nitrogen, further
Ground, it is characterised in that including:
By except ferrum filtrate, demanganization filtrate, recoil the recoil being washed till in situ well except the precipitate in ammonia nitrogen filtrate
Wash waste water catchment；
By the backwashing wastewater draining pump in original position well, the waste water in backwashing wastewater catchment is discharged.
In the embodiment of the present invention, owing to the ferrum after oxidation, manganese have granule precipitate, after oxidation necessarily
Can block except ferrum filtrate, demanganization filtrate, space except ammonia nitrogen filtrate after time, in order to prevent blocking
The generation of phenomenon, also needs to design backwashing wastewater catchment, is discharged by this granule precipitate.Therefore, described
Water inlet modules A also includes: backwash modules A 3；Described water outlet module C also includes: backwashing wastewater is arranged
Water module C2, as shown in Figures 2 and 3.
In the embodiment of the present invention, described backwash modules A 3, it is used for determining the backwash water yield, intensity and water
Pump, and by water inlet by original position well except ferrum filtrate, demanganization filtrate, lead to except the precipitate in ammonia nitrogen filtrate
Cross the backwashing wastewater catchment that backwashing pump recoil is washed till in original position well, thus ensure except ferrum filtrate, demanganization
Filtrate, permeability except ammonia nitrogen filtrate.
In the embodiment of the present invention, described backwashing wastewater drain module C2 is to ensure that backwashing wastewater is arranged smoothly
For the purpose of going out, the intensity of the backwashing wastewater after processing according to backwash modules A 3 and flow, determine
Backwashing wastewater draining pump, and by described backwashing wastewater draining pump by giving up in backwashing wastewater catchment
Water is discharged, and wherein, the waste water of all discharges can reuse through natural sedimentation.
Embodiment two
The present invention also provides for a kind of original position and removes the tool of the original position well method for designing of ferrum, manganese and ammonia nitrogen in subsoil water
Body embodiment, removes ferrum, manganese and the original position well method for designing of ammonia nitrogen in subsoil water due to what the present invention provided
Removing the detailed description of the invention of the method for ferrum, manganese and ammonia nitrogen in subsoil water with aforementioned original position corresponding, this is in situ
Remove the original position well method for designing of ferrum, manganese and ammonia nitrogen in subsoil water to be embodied as by performing said method
Process step in mode realizes the purpose of the present invention, the most above-mentioned original position remove ferrum in subsoil water, manganese and
Explanation in the method detailed description of the invention of ammonia nitrogen, be also applied for the present invention provide original position removably under
The detailed description of the invention of the original position well method for designing of ferrum, manganese and ammonia nitrogen in water, the concrete reality below the present invention
Execute in mode and will not be described in great detail.
The embodiment of the present invention also provides for a kind of original position and removes ferrum, manganese and the original position well design side of ammonia nitrogen in subsoil water
Method, described original position well is located underground, and described original position well method for designing includes:
Determine the filter module of purification of ground water；
Determine removing of iron and manganese ammonia nitrogen module and judge module；
Wherein, described except ferrum, manganese and ammonia nitrogen module, described for receiving by the inflow of described filter module
Subsoil water in well in situ, and remove successively the ferrum in the described subsoil water flowed in described original position well, manganese and
Ammonia nitrogen；
Described judge module, for judging whether the subsoil water after removing ferrum, manganese and ammonia nitrogen meets the water preset
Matter index, if meeting the water quality index preset, then by the water-retention in described original position well of the described ground water reserve
District.
In removal subsoil water described in the embodiment of the present invention, ferrum, manganese and the original position well method for designing of ammonia nitrogen, aqueous
Subsoil water in Ceng flows into original position well located underground in its natural state, in described original position well, and subsoil water
In ferrum, manganese and ammonia nitrogen removed successively, finally will reach the ground water reserve of predetermined quality index after purifying
Water reserve in described original position well, the water in water reserve can directly be extracted out for resident.So, nothing
Subsoil water need to be extracted earth's surface out and carry out dystopy process, it is possible to effectively reduce floor space, simultaneously minimizing earth's surface structure
Build the capital consumption such as thing and Insulation, be suitable for the samll cities and towns that water consumption is relatively low.
The detailed description of the invention of the original position well method for designing of ferrum, manganese and ammonia nitrogen in aforementioned original position removes subsoil water
In, further, described original position well method for designing also comprises determining that into water aeration module；
Wherein, described water inlet aeration module, for carrying out at aeration the subsoil water flowed in described original position well
Reason；
It is described except ferrum, manganese and ammonia nitrogen module, specifically for the subsoil water after Air Exposure is contacted successively
Iron removal by oxidation, contact autocatalyzed oxidation associating microorganism demanganization, microorganism nitration for removing ammonia nitrogen.
The detailed description of the invention of the original position well method for designing of ferrum, manganese and ammonia nitrogen in aforementioned original position removes subsoil water
In, further, described original position well method for designing also includes:
Determine backwash module and backwashing wastewater drain module；
Wherein, described backwash module: for by except ferrum filtrate, demanganization filtrate, heavy except in ammonia nitrogen filtrate
Shallow lake thing recoil is washed till the backwashing wastewater catchment in original position well；
Described backwashing wastewater drain module, for recoiling by the backwashing wastewater draining pump in original position well
Wash the waste water in waste water catchment to discharge.
The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. remove ferrum, manganese and the method for ammonia nitrogen in subsoil water in situ for one kind, it is characterised in that including:
Subsoil water in water-bearing layer flows in original position well located underground；
In described original position well, remove successively the ferrum in the described subsoil water flowed in described original position well, manganese and
Ammonia nitrogen；
Judging whether the subsoil water after removing ferrum, manganese and ammonia nitrogen meets the water quality index preset, presetting if meeting
Water quality index, then by described ground water reserve water reserve in described original position well.
Original position the most according to claim 1 removes ferrum, manganese and the method for ammonia nitrogen in subsoil water, and it is special
Levy and be, before the subsoil water in described water-bearing layer flows in original position well located underground, also include:
Determine inwall radius and the degree of depth of original position well of well in situ.
Original position the most according to claim 1 removes ferrum, manganese and the method for ammonia nitrogen in subsoil water, and it is special
Levy and be, before the subsoil water in described water-bearing layer flows in original position well located underground, also include:
Determine the filling degree of depth of filter in the original position well borehole wall.
Original position the most according to claim 1 removes ferrum, manganese and the method for ammonia nitrogen in subsoil water, and it is special
Levy and be, described ferrum, manganese and the ammonia nitrogen removed successively in the described subsoil water flowed in described original position well it
Before, also include:
Will be except ferrum filtrate, demanganization filtrate, load in described original position well except ammonia nitrogen filtrate；
Described in described original position well, remove successively the ferrum in the described subsoil water flowed in described original position well,
Manganese and ammonia nitrogen, including:
The subsoil water flowed in described original position well is carried out Air Exposure；
Subsoil water after Air Exposure is carried out successively catalytic oxidation except ferrum, the contact autocatalyzed oxidation micro-life of associating
Thing demanganization, microorganism nitration for removing ammonia nitrogen.
Original position the most according to claim 4 removes ferrum, manganese and the method for ammonia nitrogen in subsoil water, and it is special
Levying and be, the described catalytic oxidation that carries out the subsoil water after Air Exposure removes ferrum, including:
By adsorb except the irony active filter film of ferrum filter material surface ferrous iron in the subsoil water after Air Exposure from
Son, the oxidized removal under the catalytic action of described irony active filter film of adsorbed ferrous ion.
Original position the most according to claim 4 removes ferrum, manganese and the method for ammonia nitrogen in subsoil water, and it is special
Levying and be, described carry out the subsoil water after Air Exposure contacts autocatalyzed oxidation associating microorganism demanganization, wraps
Include:
Predetermined solid particulate matter prepared Coated With Manganese Oxide material as demanganization filtrate, by described demanganization
The Mn in subsoil water after filtrate absorption Air Exposure2+, adsorbed Mn2+It is oxidized to MnO2And sink
Amass the surface at described demanganization filtrate；
By load of microorganisms, make microorganism constantly breed and be attached to described demanganization filter material surface, to remove
Manganese in subsoil water；
It is deposited on the MnO of described demanganization filter material surface2With the microorganism being attached to described demanganization filter material surface
Form one layer of manganese matter active filter film.
Original position the most according to claim 4 removes ferrum, manganese and the method for ammonia nitrogen in subsoil water, and it is special
Levy and be, including:
By except ferrum filtrate, demanganization filtrate, recoil the recoil being washed till in situ well except the precipitate in ammonia nitrogen filtrate
Wash waste water catchment；
By the backwashing wastewater draining pump in original position well, the waste water in backwashing wastewater catchment is discharged.
8. remove ferrum, manganese and the original position well method for designing of ammonia nitrogen in subsoil water in situ for one kind, it is characterised in that
Described original position well is located underground, and described original position well method for designing includes:
Determine the filter module of purification of ground water；
Determine except ferrum, manganese and ammonia nitrogen module and judge module；
Wherein, described except ferrum, manganese and ammonia nitrogen module, described for receiving by the inflow of described filter module
Subsoil water in well in situ, and remove successively the ferrum in the described subsoil water flowed in described original position well, manganese and
Ammonia nitrogen；
Described judge module, for judging whether the subsoil water after removing ferrum, manganese and ammonia nitrogen meets the water preset
Matter index, if meeting the water quality index preset, then by the water-retention in described original position well of the described ground water reserve
District.
Original position the most according to claim 8 removes the original position well design of ferrum, manganese and ammonia nitrogen in subsoil water
Method, it is characterised in that described original position well method for designing also comprises determining that into water aeration module；
Wherein, described water inlet aeration module, for carrying out at aeration the subsoil water flowed in described original position well
Reason；
It is described except ferrum, manganese and ammonia nitrogen module, specifically for the subsoil water after Air Exposure is contacted successively
Iron removal by oxidation, contact autocatalyzed oxidation associating microorganism demanganization, microorganism nitration for removing ammonia nitrogen.
Original position the most according to claim 8 removes the original position well design of ferrum, manganese and ammonia nitrogen in subsoil water
Method, it is characterised in that described original position well method for designing also includes:
Determine backwash module and backwashing wastewater drain module；
Wherein, described backwash module: for by except ferrum filtrate, demanganization filtrate, heavy except in ammonia nitrogen filtrate
Shallow lake thing recoil is washed till the backwashing wastewater catchment in original position well；
Described backwashing wastewater drain module, for recoiling by the backwashing wastewater draining pump in original position well
Wash the waste water in waste water catchment to discharge.
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| CN201610388821.6A CN105967442B (en) | 2016-06-03 | 2016-06-03 | The method and well design method in situ of iron, manganese and ammonia nitrogen in removal underground water in situ |
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| CN107673440A (en) * | 2017-11-22 | 2018-02-09 | 南昌工程学院 | A kind of well and method for removing iron for removing Fe Element in Groundwater |
| CN108104814A (en) * | 2017-12-18 | 2018-06-01 | 中国矿业大学 | High iron content underground reservoir is promoted restorative procedure by the artificial of Surface cracking |
| CN108640199A (en) * | 2018-05-09 | 2018-10-12 | 中国地质大学（武汉） | A kind of underground water purified in situ processing method based on complex mineral filtrate |
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| CN105036288A (en) * | 2015-06-17 | 2015-11-11 | 西安唯源环保科技有限公司 | Method for synchronously removing high-concentration ammonia nitrogen, iron and manganese in water through reverse flow oxygenation multi-stage catalytic oxidation |
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| EP1155752A1 (en) * | 1999-01-25 | 2001-11-21 | Ebara Corporation | Method and apparatus for purifying polluted substances containing halogenated organic compound |
| KR20100067161A (en) * | 2008-12-11 | 2010-06-21 | 한국수자원공사 | In-situ remediation of fe and mn in groundwater using oxygen zone |
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| CN108640199A (en) * | 2018-05-09 | 2018-10-12 | 中国地质大学（武汉） | A kind of underground water purified in situ processing method based on complex mineral filtrate |
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| CN105967442B (en) | 2019-05-21 |
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