CN108339841A - One heavy metal species soil quick treatment device - Google Patents

One heavy metal species soil quick treatment device Download PDF

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Publication number
CN108339841A
CN108339841A CN201810075953.2A CN201810075953A CN108339841A CN 108339841 A CN108339841 A CN 108339841A CN 201810075953 A CN201810075953 A CN 201810075953A CN 108339841 A CN108339841 A CN 108339841A
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CN
China
Prior art keywords
chamber
downside
drain pipe
heavy metal
upside
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810075953.2A
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Chinese (zh)
Inventor
上官容卿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Common Technology Development Co Ltd
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Common Technology Development Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Common Technology Development Co Ltd filed Critical Common Technology Development Co Ltd
Priority to CN201810075953.2A priority Critical patent/CN108339841A/en
Publication of CN108339841A publication Critical patent/CN108339841A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • B09C1/08Reclamation of contaminated soil chemically

Abstract

The invention discloses a heavy metal species soil quick treatment devices, including bottom plate, treatment box is equipped on the upside of bottom plate, treatment box upper inside is equipped with broken stir chamber, it is equipped with the first drain pipe on the downside of broken stir chamber, the first precipitation chamber is equipped on the downside of first drain pipe, it is equipped with stir chamber on the right side of first precipitation chamber, connect cover is equipped on the downside of stir chamber, connect cover inner tip is equipped with electric telescopic rod, head rod is equipped on the downside of electric telescopic rod, the second connecting rod is equipped on the downside of head rod, support plate is equipped on the downside of second connecting rod, quadrangle is equipped with idler wheel on the downside of support plate, lower end is equipped with the second drain pipe on the right side of stir chamber, second drain pipe lower end is equipped with the second precipitation chamber, it is equipped with acid-base neutralization chamber on the upside of second precipitation chamber, acid solution storage chamber and alkaline solution storage chamber are equipped on the upside of acid-base neutralization chamber.The present invention can be facilitated effectively and is chemically treated to the soil of heavy metal pollution, can be removed effectively heavy metal in this way, be protected soil.

Description

One heavy metal species soil quick treatment device
Technical field
The present invention relates to a kind of field of environment protection, specifically a kind of heavy metal soil quick treatment device.
Background technology
Heavy metal pollution of soil refers to due to mankind's activity, and the content of trace harmful elements in the soil in soil is more than Background value, too high levels caused by excess deposition, is referred to as heavy metal pollution of soil.The heavy metal of contaminated soil includes mainly Mercury(Hg), cadmium (Cd), lead (Pb), the significant element of bio-toxicities such as chromium (Cr) and metalloid arsenic (As), and have certain toxicity Zinc (Zn), copper (Cu), the elements such as nickel (Ni).Essentially from pesticide, waste water, sludge and atmospheric sedimentation etc., as mercury essentially from Mercury-containing waste water, cadmium, lead contamination essentially from smelt discharge and automobile exhaust gas sedimentation, arsenic be then widely used as insecticide, fungicide, Rat poison and herbicide.Excessive heavy metal can cause physiological function of plants disorder, trophic disturbance, and the elements such as cadmium, mercury are in crop seed Concentration coefficient is higher in reality, even more than food hygienic standard, nor affects on plant growth, development and yield, in addition mercury, arsenic energy Weaken and inhibit nitrification in soil, amonifying bacteria activity, influences Nitrogen supplying.Mobility is very in the soil for heavy metal contaminants It is small, it is not easy with water leaching, is not microbial degradation, after entering human body by food chain, potential hazard is very big, it should be specifically noted that anti- Only heavy metal is to soil pollution.
The soil remediation method of heavy metal pollution at present has physical method, chemical method and microbial treatment method, but It is equipment generally just enough complexity of the soil of present heavy metal pollution, working efficiency is low, and is likely to result in secondary Pollution.Therefore, those skilled in the art provide a heavy metal species soil quick treatment device, to solve in above-mentioned background technology The problem of proposition.
Invention content
The purpose of the present invention is to provide a heavy metal species soil quick treatment devices, to solve to carry in above-mentioned background technology The problem of going out.
To achieve the above object, the present invention provides the following technical solutions:
One heavy metal species soil quick treatment device, including bottom plate, the baseplate underside quadrangle are equipped with support base, the support base Interior lower end quadrangle is equipped with friction pad, and treatment box is equipped on the upside of the bottom plate, and lower end is equipped with electric cabinet, institute before and after the treatment box It states treatment box upper inside left end and is equipped with broken stir chamber, charge pipe, the broken stirring are equipped on the upside of the broken stir chamber It is equipped with first motor on the left of chamber, is equipped with protective cover on the outside of the first motor, the first motor is located at the left side for the treatment of box, institute It states and is equipped with connecting shaft on the right side of first motor, both sides are equipped with broken shaft and the first agitating shaft to the connecting shaft up and down, and described first stirs It mixes axis to be located between broken shaft, left end is equipped with the first drain pipe on the downside of the broken stir chamber, sets on the downside of first drain pipe There are the first precipitation chamber, first precipitation intracavitary portion right end to be equipped with the first filter screen, first precipitation chamber lower end, which is equipped with to take out, becomes silted up Mud pipe, the pumping mud pipe, which is equipped with, takes out sludge pump, and the pumping mud pipe left end is located on the left for the treatment of box, the first precipitation chamber Right side is equipped with the first connecting tube, and first connecting tube is equipped with the first drawing liquid pump, stirring is equipped on the right side of first liquid suction pipe Chamber, the stir chamber interior lower end are equipped with the second motor, agitating shaft, described agitating shaft or so two are equipped on the upside of second motor Side is equipped with the second stirring rod, and connect cover is equipped on the downside of the stir chamber, is equipped at left and right sides of the connect cover inner tip electronic Telescopic rod, the electric telescopic rod downside are equipped with head rod, sliding slot, the cunning are equipped at left and right sides of the head rod Slot is internally provided with sliding block, and the sliding block is attached with head rod, and the second connecting rod is equipped on the downside of the head rod, Support plate is equipped on the downside of two connecting rod, quadrangle is equipped with idler wheel, stir chamber right side lower end on the downside of the support plate Equipped with the second drain pipe, second drain pipe lower end is equipped with the second precipitation chamber, and the second precipitation chamber is internally provided with the second mistake Strainer, the second precipitation chamber are equipped with the second connecting tube on the right side of upper end, and second connecting tube is described equipped with the second drawing liquid pump It is equipped with acid-base neutralization chamber on the upside of second connecting tube, acid-base neutralization intracavitary portion left end is equipped with soda acid detector, in the soda acid It is equipped with third drain pipe, is equipped on the upside of the third drain pipe sour equipped with outlet tube, the acid-base neutralization chamber upside on the right side of chamber Property solution storage chamber, alkaline solution storage chamber is equipped on the left of the acid solution storage chamber, on the downside of the alkaline solution storage chamber Equipped with the 4th drain pipe, it is attached with stir chamber on the left of the 4th drain pipe.
As a further solution of the present invention:Downside is equipped with opening in the middle part of the treatment box and bottom plate.
As a further solution of the present invention:The charge pipe upper inside is equipped with seal closure.
As a further solution of the present invention:Lower end is equipped with scum pipe on the right side of the second precipitation chamber.
As a further solution of the present invention:Control valve is equipped on the upside of the outlet tube.
As a further solution of the present invention:It is equipped with charging on the upside of the acid solution storage chamber and alkaline solution storage chamber Pipe and sealing plug.
As further scheme of the invention:4th drain pipe, third drain pipe, the second drain pipe and first row Liquid pipe is equipped with solenoid valve.
Compared with prior art, the beneficial effects of the invention are as follows:The present invention by by the soil of heavy metal pollution by adding Expects pipe is added to inside broken stir chamber, drives equipment to be crushed and stirred by first motor in this way, in this way can be effective Ground soil stirs into mixed solution, to facilitate the heavy metal ion in soil to be detached with soil;Pass through the first drain pipe Solution discharge is precipitated to the first precipitation intracavitary portion, soil and heavy metal ion can be detached in this way;Pass through bottom The mud of precipitation is extracted in taking out mud pipe and taking out sludge pump for portion out, can facilitate the processing of soil in this way;Solution is taken out by first Liquid pipe enters inside stir chamber, so again by the first drain pipe to alkaline solution is added inside stir chamber, passes through again in this way Second motor drives agitating shaft rotation, and the heavy metal ion in solution will be chemically reacted with hydroxide, to generate Precipitation;Mixed solution is entered inside the second filter chamber and is filtered, and can effectively be handled heavy metal in this way;In this way Alkaline solution after reaction is carried out to be pumped into acid-base neutralization intracavitary portion progress acid-base neutralization, can effectively prevent setting in this way It is standby to generate secondary pollution;Head rod, support plate and idler wheel is driven to move up and down by electric telescopic rod, it in this way can be effective Ground facilitates equipment and is fixed and moves so that it is convenient to the use of staff.
Description of the drawings
Fig. 1 is the structural schematic diagram of a heavy metal species soil quick treatment device.
Fig. 2 is the structural schematic diagram of a heavy metal species soil quick treatment device front view.
Fig. 3 is the structural schematic diagram of a heavy metal species soil quick treatment device left view.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair The limitation of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can To express or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, " multiple " It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can Can also be electrical connection to be mechanical connection;It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Refering to fig. 1~3, in the embodiment of the present invention, a heavy metal species soil quick treatment device, including bottom plate 1, the bottom 1 downside quadrangle of plate is equipped with support base 2, and 2 interior lower end quadrangle of the support base is equipped with friction pad, can effectively increase equipment Frictional force between ground, can be effectively guaranteed the stabilization of equipment in this way, and 1 upside of the bottom plate is equipped with treatment box 3, institute State treatment box 3 and the middle part of bottom plate 1 downside be equipped with opening, lower end is equipped with electric cabinet 4 before and after the treatment box 3, by electric wire with set Standby internal electrical equipment is attached, and can efficiently control the operation and work of equipment in this way, on 3 inside of the treatment box Side left end is equipped with broken stir chamber 5, and 5 upside of the broken stir chamber is equipped with charge pipe 6, and 6 upper inside of the charge pipe is equipped with Seal closure, the left side of the broken stir chamber 5 are equipped with first motor 7, and the first motor 7 is located at the left side for the treatment of box 3, and described the One motor, 7 outside is equipped with protective cover, can be effectively protected first motor 7, and 7 right side of the first motor is equipped with connecting shaft 8, institute It states about 8 both sides of connecting shaft and is equipped with broken shaft 9 and the first agitating shaft 10, first agitating shaft 10 is located between broken shaft 9, can To be effectively crushed, be stirred to the mixture of soil and water, soil and water is made to form mixed solution, such heavy metal in this way Ion will be detached with soil, and 5 downside left end of the broken stir chamber is equipped with the first drain pipe 11, first drain pipe 11 downsides are equipped with the first precipitation chamber 12, and the precipitation of soil, the first precipitation 12 inside right end of chamber can effectively be facilitated to be equipped with Effectively the soil of precipitation can be isolated for first filter screen 13, and the first precipitation chamber, 13 lower end, which is equipped with, takes out mud pipe 15, the pumping mud pipe 15, which is equipped with, takes out sludge pump 16, and 15 left end of pumping mud pipe is located at 3 left side for the treatment of box, can be effective Ground detaches the soil of precipitation, and 12 right side of the first precipitation chamber is equipped with the first connecting tube 17, first connecting tube 17 It is equipped with the first drawing liquid pump 18, first liquid suction pipe, 17 right side is equipped with stir chamber 19, and 19 interior lower end of the stir chamber is equipped with Second motor 20, second motor, 20 upside are equipped with agitating shaft 21, and 21 left and right sides of the agitating shaft is equipped with the second stirring rod 22, it can effectively accelerate equipment and be chemically reacted, to make heavy metal ion generate precipitation, 19 downside of the stir chamber is set There is connect cover 23, electric telescopic rod 24,24 downside of the electric telescopic rod are equipped at left and right sides of 23 inner tip of the connect cover Equipped with head rod 25,25 left and right sides of the head rod is equipped with sliding slot 26, and the sliding slot 26 is internally provided with sliding block 27, The sliding block 27 is attached with head rod 25, can effectively ensure to keep during the moving up and down of equipment stablizing and Balance, 25 downside of the head rod are equipped with the second connecting rod 28, and second connecting rod, 28 downside is equipped with support plate 29, institute It states 29 downside quadrangle of support plate and is equipped with idler wheel 30, drive equipment to move down by electric telescopic rod 24, idler wheel 30 is driven to contact Ground when support base 2 leaves ground, can effectively facilitate the movement of equipment, can effectively facilitate work in this way Make the use of personnel, 19 right side lower end of the stir chamber is equipped with the second drain pipe 31, and 31 lower end of the second drain pipe is set There is the second precipitation chamber 32, the precipitation of heavy metal compound, the second precipitation chamber, 32 right side lower end can effectively be facilitated to be equipped with Scum pipe can facilitate the discharge of impurity, the second precipitation chamber 32 to be internally provided with the second filter screen 33, the second precipitation chamber The second connecting tube 34 is equipped on the right side of 32 upper ends, second connecting tube 34 is equipped with the second drawing liquid pump 35, second connecting tube 34 upsides are equipped with acid-base neutralization chamber 36, can effectively neutralize the alkaline solution after reaction, prevent equipment from generating in this way Secondary pollution, 36 inside left end of the acid-base neutralization chamber are equipped with soda acid detector, can detect the soda acid of solution after acid-base reaction Property, 36 right side of the acid-base neutralization chamber is equipped with outlet tube 37, control valve, the acid-base neutralization chamber is equipped on the upside of the outlet tube 37 36 upsides are equipped with third drain pipe 28, and 38 upside of the third drain pipe is equipped with acid solution storage chamber 39, the acid solution 39 left side of storage chamber is equipped with alkaline solution storage chamber 40, and the acid solution storage chamber 39 and 39 upside of alkaline solution storage chamber are set There are charge pipe and sealing plug, 40 downside of the alkaline solution storage chamber to be equipped with the 4th drain pipe 41, the 4th drain pipe 41 is left Side is attached with stir chamber 19, the 4th drain pipe 41, third drain pipe 38, the second drain pipe 31 and the first drain pipe 11 It is equipped with solenoid valve.
The present invention is passed through in this way by the way that the soil of heavy metal pollution to be added to by charge pipe 6 inside broken stir chamber 5 First motor 7 drives equipment to be crushed and stirred, and effectively can stir into mixed solution by soil in this way, so again by the One drain pipe 11 will precipitate inside solution discharge to the first precipitation chamber 12, in this way can carry out soil and heavy metal ion Separation, then extracted out the mud of precipitation by taking out mud pipe 15 and taking out sludge pump 16 for bottom, the place of soil can be facilitated in this way Reason, then solution is entered by the first liquid suction pipe 17 inside stir chamber 19, so again by the first drain pipe 41 to stir chamber Alkaline solution is added in 19 inside, drives agitating shaft 21 to rotate by the second motor 20 again in this way, and the heavy metal ion in solution is just It can be chemically reacted with hydroxide, to generate precipitation, then mixed solution enters 32 inside of the second filter chamber and carries out Alkaline solution after reaction is carried out being pumped into 36 inside progress acid-base neutralization of acid-base neutralization chamber in this way, can had in this way by filtering Effect equipment is prevented to generate secondary pollution.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (7)

1. a heavy metal species soil quick treatment device, including bottom plate, which is characterized in that the baseplate underside quadrangle is equipped with support Seat, support base interior lower end quadrangle are equipped with friction pad, are equipped with treatment box on the upside of the bottom plate, lower end before and after the treatment box Equipped with electric cabinet, the treatment box upper inside left end is equipped with broken stir chamber, and charge pipe is equipped on the upside of the broken stir chamber, It is equipped with first motor on the left of the broken stir chamber, is equipped with protective cover on the outside of the first motor, the first motor is located at place The left side of case is managed, connecting shaft is equipped on the right side of the first motor, both sides are equipped with broken shaft and the first stirring to the connecting shaft up and down Axis, first agitating shaft are located between broken shaft, and left end is equipped with the first drain pipe on the downside of the broken stir chamber, and described first The first precipitation chamber is equipped on the downside of drain pipe, first precipitation intracavitary portion right end is equipped with the first filter screen, the first precipitation chamber Lower end, which is equipped with, takes out mud pipe, and the pumping mud pipe, which is equipped with, takes out sludge pump, and the pumping mud pipe left end is located on the left for the treatment of box, institute It states and is equipped with the first connecting tube on the right side of the first precipitation chamber, first connecting tube is equipped with the first drawing liquid pump, first liquid suction pipe Right side is equipped with stir chamber, and the stir chamber interior lower end is equipped with the second motor, and agitating shaft is equipped on the upside of second motor, described It is equipped with the second stirring rod at left and right sides of agitating shaft, connect cover, described connect cover inner tip or so are equipped on the downside of the stir chamber Both sides are equipped with electric telescopic rod, and head rod is equipped on the downside of the electric telescopic rod, is set at left and right sides of the head rod There are sliding slot, the sliding slot to be internally provided with sliding block, the sliding block is attached with head rod, is set on the downside of the head rod There is the second connecting rod, support plate is equipped on the downside of second connecting rod, quadrangle is equipped with idler wheel on the downside of the support plate, described Lower end is equipped with the second drain pipe on the right side of stir chamber, and second drain pipe lower end is equipped with the second precipitation chamber, the second precipitation chamber It is internally provided with the second filter screen, the second precipitation chamber is equipped with the second connecting tube on the right side of upper end, and second connecting tube is equipped with Second drawing liquid pump, the second connecting tube upside are equipped with acid-base neutralization chamber, and acid-base neutralization intracavitary portion left end is examined equipped with soda acid Device is surveyed, outlet tube is equipped on the right side of the acid-base neutralization chamber, third drain pipe, the third row are equipped on the upside of the acid-base neutralization chamber It is equipped with acid solution storage chamber on the upside of liquid pipe, alkaline solution storage chamber, the alkalinity are equipped on the left of the acid solution storage chamber It is equipped with the 4th drain pipe on the downside of solution storage chamber, is attached with stir chamber on the left of the 4th drain pipe.
2. heavy metal species soil quick treatment device according to claim 1, which is characterized in that the treatment box and bottom Downside is equipped with opening in the middle part of plate.
3. heavy metal species soil quick treatment device according to claim 1, which is characterized in that inside the charge pipe Upside is equipped with seal closure.
4. heavy metal species soil quick treatment device according to claim 1, which is characterized in that the second precipitation chamber Right side lower end is equipped with scum pipe.
5. heavy metal species soil quick treatment device according to claim 1, which is characterized in that on the upside of the outlet tube Equipped with control valve.
6. heavy metal species soil quick treatment device according to claim 1, which is characterized in that the acid solution is deposited It is equipped with charge pipe and sealing plug on the upside of storage chamber and alkaline solution storage chamber.
7. heavy metal species soil quick treatment device according to claim 1, which is characterized in that the 4th drain Pipe, third drain pipe, the second drain pipe and the first drain pipe are equipped with solenoid valve.
CN201810075953.2A 2018-01-26 2018-01-26 One heavy metal species soil quick treatment device Pending CN108339841A (en)

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Application Number Priority Date Filing Date Title
CN201810075953.2A CN108339841A (en) 2018-01-26 2018-01-26 One heavy metal species soil quick treatment device

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Application Number Priority Date Filing Date Title
CN201810075953.2A CN108339841A (en) 2018-01-26 2018-01-26 One heavy metal species soil quick treatment device

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Publication Number Publication Date
CN108339841A true CN108339841A (en) 2018-07-31

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003326246A (en) * 2002-05-09 2003-11-18 Mitsubishi Materials Corp Method for treating contaminated soil
CN102500612A (en) * 2011-10-28 2012-06-20 中南大学 Chemical leaching restoring method for soil polluted by heavy metals
CN102601106A (en) * 2012-03-08 2012-07-25 中国科学院过程工程研究所 Ectopic leaching restoring device and restoring method for chromic slag polluted soil
CN103316907A (en) * 2013-06-07 2013-09-25 东江环保股份有限公司 Heavy-metal-polluted site soil leaching remediation method and device
CN104889150A (en) * 2015-06-15 2015-09-09 武汉都市环保工程技术股份有限公司 Technology for chemical leaching remediation of heavy metal polluted soil
CN106734169A (en) * 2016-12-28 2017-05-31 广西博世科环保科技股份有限公司 The processing method and processing equipment of repairing hexavalent chromium polluted soil
CN107552560A (en) * 2017-08-28 2018-01-09 广州德隆环境检测技术有限公司 A kind of method using plant combined microorganism remediation heavy-metal contaminated soil

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003326246A (en) * 2002-05-09 2003-11-18 Mitsubishi Materials Corp Method for treating contaminated soil
CN102500612A (en) * 2011-10-28 2012-06-20 中南大学 Chemical leaching restoring method for soil polluted by heavy metals
CN102601106A (en) * 2012-03-08 2012-07-25 中国科学院过程工程研究所 Ectopic leaching restoring device and restoring method for chromic slag polluted soil
CN103316907A (en) * 2013-06-07 2013-09-25 东江环保股份有限公司 Heavy-metal-polluted site soil leaching remediation method and device
CN104889150A (en) * 2015-06-15 2015-09-09 武汉都市环保工程技术股份有限公司 Technology for chemical leaching remediation of heavy metal polluted soil
CN106734169A (en) * 2016-12-28 2017-05-31 广西博世科环保科技股份有限公司 The processing method and processing equipment of repairing hexavalent chromium polluted soil
CN107552560A (en) * 2017-08-28 2018-01-09 广州德隆环境检测技术有限公司 A kind of method using plant combined microorganism remediation heavy-metal contaminated soil

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