CN103896468A - Device for electrochemically removing and recycling heavy metals in solid waste - Google Patents
Device for electrochemically removing and recycling heavy metals in solid waste Download PDFInfo
- Publication number
- CN103896468A CN103896468A CN201410123861.9A CN201410123861A CN103896468A CN 103896468 A CN103896468 A CN 103896468A CN 201410123861 A CN201410123861 A CN 201410123861A CN 103896468 A CN103896468 A CN 103896468A
- Authority
- CN
- China
- Prior art keywords
- electrode
- arc
- cylindrical tube
- inner cylindrical
- heavy metal
- 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.)
- Granted
Links
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 31
- 239000002910 solid waste Substances 0.000 title claims abstract description 14
- 238000004064 recycling Methods 0.000 title abstract description 3
- 239000012528 membrane Substances 0.000 claims abstract description 39
- 125000002091 cationic group Chemical group 0.000 claims description 14
- 230000005518 electrochemistry Effects 0.000 claims description 11
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 6
- HGLQUIYJNASQMF-UHFFFAOYSA-N [Ti].[Ru].[Pt] Chemical compound [Ti].[Ru].[Pt] HGLQUIYJNASQMF-UHFFFAOYSA-N 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000003011 anion exchange membrane Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000005341 cation exchange Methods 0.000 abstract 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000008151 electrolyte solution Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 239000011499 joint compound Substances 0.000 description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- 239000011701 zinc Substances 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 3
- 229910052793 cadmium Inorganic materials 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 150000002736 metal compounds Chemical class 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Images
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a device for electrochemically removing and recycling heavy metals in solid waste. The device comprises an electrochemical reactor, a cathode electrode, an anode electrode and a cation exchange membrane, wherein the electrochemical reactor is a column as a whole; the column consists of an outer column cylinder, an inner column cylinder, a cylindrical bottom plate and two arc-shaped fixing membrane bracket clamping plates; the cathode electrode is arranged in the center of the inner column cylinder; the annular anode electrode is arranged on the inner side of the outer column cylinder in an adhered manner; the fixing membrane clamping plates are semicircular brackets on two sides and used for fixing the cation exchange membrane; the cation exchange membrane is fixed between the inner column cylinder and the arc-shaped fixing membrane bracket clamping plates; a drain tube at the bottom of the electrochemical reactor is positioned in the center of the bottom of the inner column cylinder; a feeding tube and a discharge tube are symmetrically positioned on the outer side of the outer column cylinder and are connected with a pressurizing pump; the cathode electrode and the anode electrode are connected with a power supply. The device has the advantages that the manufacturing cost is low, the operation is simple, the processing efficiency is high, the heavy metals can be separated from wastes and recycled as resources, and the like.
Description
Technical field
The present invention relates to offal treatment and resource technology field, relate in particular to a kind of electrochemistry and remove and reclaim heavy metal device in solid waste.
Background technology
Because current China is for exploitation, smelting and the processing of heavy metal, cause many heavy metals to enter into atmosphere, water, soil and cause serious environmental pollution as lead, tribute, nickel, cadmium etc.Heavy metal has enriching, be difficult to degrade in environment, and its toxicity all can damage animals and plants greatly, China GB8978-1996 " integrated wastewater discharge standard ", GB4284-84 " pollutent control criterion in agricultural mud " has clear and definite regulation to the heavy metal content in the waste water of discharge and in agricultural mud.Therefore need the heavy metal in waste water, soil and mud to remove.And heavy metal plays vital effect in the multiple industry of China, make the research of its resource utilization can reach the dual purpose that reduces environmental pollution and the wasting of resources for reclaim heavy metal from solid waste, there is certain economic worth and environmental benefit.
At present the method for disposal of heavy metal is mainly contained to microbial method, chemical method, phytoremediation and electrochemical process etc.Because electrochemical method is simple to operate, stable, be not easy to cause secondary pollution etc. to there is some superiority.But, traditional treatment unit is positioned over waste between negative and positive level, all adds electrolytic solution, and cannot make full use of current efficiency in cathode compartment and anolyte compartment, and increase ion migration length and caused the problem that processing efficiency is lower, and mainly rested on " innoxious " stage.Therefore improve treatment unit and be that electrochemical process is removed and the key of the middle heavy metal of recycling the waste.
Summary of the invention
The present invention is directed to the deficiency of existing treatment unit, proposed a kind of electrochemistry and remove and reclaim the device of heavy metal in solid waste, and equipment cost is low, operation is convenient, simple to operate.
Heavy metal device in solid waste is removed and reclaimed to a kind of electrochemistry, comprises electrochemical reactor, cathode electrode, anode electrode and cationic exchange membrane;
Described electrochemical reactor, is made up of cylindrical column casing, inner cylindrical tube, circular bottom plate and two fixing membrane support clamping plate of arc; Two bottom surface opened of cylindrical column casing and inner cylindrical tube, and be coaxially fixed in circular bottom plate, circular bottom plate diameter is identical with cylindrical column casing diameter, cylindrical column casing, inner cylindrical tube and circular bottom plate surround a circular interior space and an annular external space, on inner cylindrical tube sidewall, have two symmetrical arc-shaped through-holes, circular bottom plate circle centre position is provided with rising pipe, and cylindrical column casing lower part is symmetrically arranged with feed-pipe and discharge nozzle; Inner cylindrical tube outside is provided with the fixing membrane support clamping plate of two arcs, on the fixing membrane support clamping plate of each arc, have one and inner cylindrical tube arc-shaped through-hole arc-shaped through-hole of the same size, the corresponding setting of arc-shaped through-hole of the fixing membrane support clamping plate of inner cylindrical tube arc-shaped through-hole and arc, described cationic exchange membrane is arranged on inner cylindrical tube and arc is fixed between membrane support clamping plate; Between the fixing membrane support clamping plate of inner cylindrical tube, cationic exchange membrane and arc, install waterproof gasket additional; Described cathode electrode is cylindrical electrode, be arranged on inner cylindrical tube axle center place, described anode electrode is annular tubular electrode, be fitted on the inner side-wall of cylindrical column casing, negative electrode anode is connected with power supply respectively, on feed-pipe and discharge nozzle, be respectively equipped with valve, and be connected to pressure pump respectively, on described rising pipe, be also provided with valve.
Described power supply is constant voltage dc source; Described cylindrical electrode is cylindrical stainless steel electrode; Annular tubular electrode is annular ruthenium platinum titanium alloy electrode;
Cathode electrode and anode electrode are exchanged, cathode electrode is changed on the inner side-wall that tubular ring electrode is fitted in cylindrical column casing, anode electrode is changed into cylindrical electrode and is placed on inner cylindrical tube axle center place, cationic exchange membrane replaces with anion-exchange membrane, now cylindrical column casing is cathode compartment, and inner cylindrical tube is anolyte compartment.
Advantage of the present invention: effectively utilized the effect of anode and cathode electrochemical reaction, increase effective contact area of waste and electrode, increase the film exchange area between waste and electrolytic solution, reduce ion migration distance, heavy metal removing rate is high, and utilization rate of electrical is high, has improved the problem that heavy metal reclaims simultaneously, the dual purpose that reduces pollution and resource recovery be can reach, environmental value and economic benefit had concurrently.
Brief description of the drawings
Fig. 1 is device schematic diagram of the present invention;
Fig. 2 is reactor body schematic three dimensional views of the present invention;
Fig. 3 is the fixing membrane support clamping plate schematic diagram of reactor annular of the present invention;
Fig. 4 is reactor wiring layout of the present invention.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described, but the scope of application of the present invention is not limited to this.
As shown in Figure 1, heavy metal device in solid waste is removed and reclaimed to a kind of electrochemistry, comprises electrochemical reactor, cathode electrode 1, anode electrode 3, constant voltage dc source 5 and cationic exchange membrane 2;
As shown in Figure 2,3, 4, described electrochemical reactor, is made up of cylindrical column casing 8, inner cylindrical tube 7, circular bottom plate 12 and two fixing membrane support clamping plate 13 of arc; Two bottom surface opened of cylindrical column casing and inner cylindrical tube, and be coaxially fixed in circular bottom plate, circular bottom plate diameter is identical with cylindrical column casing diameter, cylindrical column casing, inner cylindrical tube and circular bottom plate surround a circular interior space and an annular external space, on inner cylindrical tube sidewall, have two symmetrical arc-shaped through-holes, circular bottom plate circle centre position is provided with rising pipe 10, and cylindrical column casing lower part is symmetrically arranged with feed-pipe 11 and discharge nozzle 9; Inner cylindrical tube outside is provided with the fixing membrane support clamping plate of two arcs, on the fixing membrane support clamping plate of each arc, have one and inner cylindrical tube arc-shaped through-hole arc-shaped through-hole of the same size, the corresponding setting of arc-shaped through-hole of the fixing membrane support clamping plate of inner cylindrical tube arc-shaped through-hole and arc, described cationic exchange membrane is arranged on inner cylindrical tube and arc is fixed between membrane support clamping plate; Between the fixing membrane support clamping plate of inner cylindrical tube, cationic exchange membrane and arc, install waterproof gasket additional; Described cathode electrode 1 is cylindrical stainless steel electrode, be arranged on inner cylindrical tube axle center place, described anode electrode 3 is tubular ruthenium platinum titanium alloy electrode, be fitted on the inner side-wall of cylindrical column casing, negative electrode anode is connected with constant voltage dc source 5 respectively, on feed-pipe and discharge nozzle, be respectively equipped with valve, and be connected to respectively pressure pump 6, on described rising pipe, be also provided with valve 4.
Embodiment 1
The waste of the present embodiment processing is Hangzhou seven lattice Sewage Plant second pond mud, and the anode of employing is ruthenium platinum titanium alloy tubular ring electrode, and negative electrode is stainless steel cylindrical electrode.Described negative electrode anode is connected with constant pressure and flow direct supply, and voltage is 15V, and electrolytic solution is 0.05mol/L sodium chloride solution 1.5L, electrolysis 96h under room temperature condition.
Sludge treatment technique flow process is as follows: cationic exchange membrane and pad folder are attached between inner tank theca and two blocks of ring support plates, and supporting plate screws with screw and nut.Described anode electrode and outer tube inner wall laminating are placed, the mud of need processing is added in annular urceolus by opening for feed, pass through discharge port, pipeline and valve import electrochemical reactor through force (forcing) pump, deployed electrolytic solution is joined in inner core, fix cathode electrode, on the electrode in reactor, add volts DS by direct supply, mud is through electrochemical reactor, pipeline, valve and force (forcing) pump circulation mix, after handling, discharge from discharge port, after processing, electrolytic solution is discharged through reactor bottom water outlet, solid-liquid separation reclaims heavy metal precipitation, be dried to constant weight.
Test-results is as shown in table 1:
| ? | Zinc Zn | Copper Cu | Plumbous Pb |
| Before processing (mg/kg) | 1362.67 | 275.55 | 142.86 |
| After processing (mg/kg) | 259.41 | 58.41 | 57.22 |
| Clearance (%) | 80.96 | 78.80 | 59.95 |
Reclaim heavy metal compound precipitation 2.97g.
The waste of the present embodiment processing is mud after the seven lattice Sewage Plant filter presss of Hangzhou, and the anode of employing is ruthenium platinum titanium alloy cylindrical electrode, and negative electrode is the netted ring electrode of stainless steel.Described negative electrode anode is connected with constant pressure and flow direct supply, and voltage is 18V, and electrolytic solution is 0.05 mol/L sodium chloride solution 2.5L, electrolysis 120h under room temperature condition.
Sludge treatment technique flow process is as follows: cationic exchange membrane and pad folder are attached between inner tank theca and two blocks of ring support plates, and supporting plate screws with screw and nut.Described anode electrode is positioned over to inner cylindrical tube axle center place, the mud of need processing is joined in inner core, by cathode electrode fit cylindrical column casing inwall place, deployed electrolytic solution imports electrochemical reactor by discharge port, pipeline and valve through force (forcing) pump, on the electrode in reactor, add volts DS by direct supply, electrolytic solution is through electrochemical reactor, pipeline, valve and force (forcing) pump circulation, after handling, discharge from discharge port, solid-liquid separation reclaims heavy metal precipitation, be dried to constant weight, after processing, mud is discharged through reactor bottom outlet.
Test-results is as shown in table 2:
| ? | Zinc Zn | Copper Cu | Plumbous Pb |
| Before processing (mg/kg) | 1888.19 | 288.55 | 233.54 |
| After processing (mg/kg) | 167.52 | 85.54 | 72.12 |
| Clearance (%) | 91.13 | 70.36 | 69.12 |
Reclaim heavy metal compound precipitation 2.12g.
The waste of the present embodiment processing is Pb, Cd, Zn combined contamination soil, and the anode of employing is ruthenium platinum titanium alloy tubular ring electrode, and negative electrode is stainless steel cylindrical electrode.Described negative electrode anode is connected with constant pressure and flow direct supply, and voltage is 18V, and electrolytic solution is 0.05mol/L sodium chloride solution 1.5L, electrolysis 120h under room temperature condition.
Soil treatment technical process is as follows: cationic exchange membrane and pad folder are attached between inner tank theca and two blocks of ring support plates, and supporting plate screws with screw and nut.Described anode electrode and outer tube inner wall laminating are placed, the soil of need processing is added in annular urceolus by opening for feed, pass through discharge port, pipeline and valve import electrochemical reactor through force (forcing) pump, deployed electrolytic solution is joined in inner core, fix cathode electrode, on the electrode in reactor, add volts DS by direct supply, soil is through electrochemical reactor, pipeline, valve and force (forcing) pump circulation mix, after handling, discharge from discharge port, after processing, electrolytic solution is discharged through reactor bottom water outlet, solid-liquid separation reclaims heavy metal precipitation, be dried to constant weight.
Test-results is as shown in table 3:
| ? | Zinc Zn | Cadmium Cd | Plumbous Pb |
| Before processing (mg/kg) | 767.56 | 12.03 | 1075.03 |
| After processing (mg/kg) | 152.44 | 1.01 | 203.37 |
| Clearance (%) | 80.14 | 91.60 | 81.08 |
Reclaim heavy metal compound precipitation 1.95g.
Claims (6)
1. a heavy metal device in solid waste is removed and reclaimed to electrochemistry, comprises electrochemical reactor, cathode electrode, anode electrode and cationic exchange membrane;
It is characterized in that: described electrochemical reactor, is made up of cylindrical column casing, inner cylindrical tube, circular bottom plate and two fixing membrane support clamping plate of arc; Two bottom surface opened of cylindrical column casing and inner cylindrical tube, and be coaxially fixed in circular bottom plate, circular bottom plate diameter is identical with cylindrical column casing diameter, cylindrical column casing, inner cylindrical tube and circular bottom plate surround a circular interior space and an annular external space, on inner cylindrical tube sidewall, have two symmetrical arc-shaped through-holes, circular bottom plate circle centre position is provided with rising pipe, and cylindrical column casing lower part is symmetrically arranged with feed-pipe and discharge nozzle; Inner cylindrical tube outside is provided with the fixing membrane support clamping plate of two arcs, on the fixing membrane support clamping plate of each arc, have one and inner cylindrical tube arc-shaped through-hole arc-shaped through-hole of the same size, the corresponding setting of arc-shaped through-hole of the fixing membrane support clamping plate of inner cylindrical tube arc-shaped through-hole and arc, described cationic exchange membrane is arranged on inner cylindrical tube and arc is fixed between membrane support clamping plate; Described cathode electrode is cylindrical electrode, be arranged on inner cylindrical tube axle center place, described anode electrode is annular tubular electrode, be fitted on the inner side-wall of cylindrical column casing, negative electrode anode is connected with power supply respectively, on feed-pipe and discharge nozzle, be respectively equipped with valve, and be connected to pressure pump respectively, on described rising pipe, be also provided with valve.
2. heavy metal device in solid waste is removed and reclaimed to a kind of electrochemistry according to claim 1, it is characterized in that: described power supply is constant voltage dc source.
3. heavy metal device in solid waste is removed and reclaimed to a kind of electrochemistry according to claim 1, it is characterized in that: described cylindrical electrode is cylindrical stainless steel electrode.
4. heavy metal device in solid waste is removed and reclaimed to a kind of electrochemistry according to claim 1, it is characterized in that: annular tubular electrode is annular ruthenium platinum titanium alloy electrode.
5. heavy metal device in solid waste is removed and reclaimed to a kind of electrochemistry according to claim 1, it is characterized in that: between the fixing membrane support clamping plate of inner cylindrical tube, cationic exchange membrane and arc, install waterproof gasket additional.
6. heavy metal device in solid waste is removed and reclaimed to a kind of electrochemistry according to claim 1, it is characterized in that: cathode electrode and anode electrode are exchanged, cathode electrode is changed on the inner side-wall that tubular ring electrode is fitted in cylindrical column casing, anode electrode is changed into cylindrical electrode and is placed on inner cylindrical tube axle center place, and cationic exchange membrane replaces with anion-exchange membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410123861.9A CN103896468B (en) | 2014-03-28 | 2014-03-28 | A kind of electrochemistry is removed and reclaims heavy metal device in solid waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410123861.9A CN103896468B (en) | 2014-03-28 | 2014-03-28 | A kind of electrochemistry is removed and reclaims heavy metal device in solid waste |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103896468A true CN103896468A (en) | 2014-07-02 |
| CN103896468B CN103896468B (en) | 2015-11-18 |
Family
ID=50988099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410123861.9A Expired - Fee Related CN103896468B (en) | 2014-03-28 | 2014-03-28 | A kind of electrochemistry is removed and reclaims heavy metal device in solid waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103896468B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174672A (en) * | 2015-10-13 | 2015-12-23 | 浙江大学 | Device for removing and recovering heavy metal in sludge through double-layer double-anode electrochemical method |
| CN105217906A (en) * | 2015-10-13 | 2016-01-06 | 浙江大学 | A kind of double-layer spiral type electrochemistry is removed and reclaims Heavy Metals in Sludge device |
| CN105750313A (en) * | 2016-05-04 | 2016-07-13 | 辽宁石油化工大学 | Surfactant enhanced organic polluted soil electric-biological remediation method and device |
| CN106334710A (en) * | 2015-07-13 | 2017-01-18 | 中国科学院沈阳应用生态研究所 | Method for successive and directional enrichment of heavy metals in tailing sand or soil contaminated by tailing sand |
| CN108326030A (en) * | 2018-01-11 | 2018-07-27 | 上海理工大学 | The heavy metal-polluted soil prosthetic device of convertible array-type electrode |
| CN108339846A (en) * | 2018-01-18 | 2018-07-31 | 青岛科技大学 | Fuel cell handles the system and method that organic wastewater synchronizes repairing heavy metal in soil |
| CN109055983A (en) * | 2018-06-13 | 2018-12-21 | 珠海格力电器股份有限公司 | Recovery process and device for electroplating gold-containing wastewater |
| CN109332372A (en) * | 2018-12-14 | 2019-02-15 | 浙江中地净土科技有限公司 | A kind of electro reclamation vertical unit of heavy-metal contaminated soil |
| CN109848202A (en) * | 2019-02-28 | 2019-06-07 | 北京中岩大地科技股份有限公司 | A kind of tower processing equipment of Polluted Soil and waste residue |
| CN114160565A (en) * | 2021-12-08 | 2022-03-11 | 江苏澳洋生态园林股份有限公司 | Electrochemical soil improvement system |
| CN114192567A (en) * | 2021-12-08 | 2022-03-18 | 江苏澳洋生态园林股份有限公司 | Process for improving acidified contaminated soil |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173247Y (en) * | 1993-10-18 | 1994-08-03 | 浙江工学院 | Cathod rotary separated electrolysis bath |
| CN1968897A (en) * | 2004-06-18 | 2007-05-23 | 株式会社荏原制作所 | Equipment and method for electrolytic deposition treatment |
| CN200958119Y (en) * | 2006-06-27 | 2007-10-10 | 福建师范大学 | Cylindrical double-diaphragm and cathode electrolytic bath |
| CN203960016U (en) * | 2014-03-28 | 2014-11-26 | 浙江大学 | Heavy metal device in solid waste is removed and reclaimed to electrochemistry |
-
2014
- 2014-03-28 CN CN201410123861.9A patent/CN103896468B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173247Y (en) * | 1993-10-18 | 1994-08-03 | 浙江工学院 | Cathod rotary separated electrolysis bath |
| CN1968897A (en) * | 2004-06-18 | 2007-05-23 | 株式会社荏原制作所 | Equipment and method for electrolytic deposition treatment |
| CN200958119Y (en) * | 2006-06-27 | 2007-10-10 | 福建师范大学 | Cylindrical double-diaphragm and cathode electrolytic bath |
| CN203960016U (en) * | 2014-03-28 | 2014-11-26 | 浙江大学 | Heavy metal device in solid waste is removed and reclaimed to electrochemistry |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106334710A (en) * | 2015-07-13 | 2017-01-18 | 中国科学院沈阳应用生态研究所 | Method for successive and directional enrichment of heavy metals in tailing sand or soil contaminated by tailing sand |
| CN105217906A (en) * | 2015-10-13 | 2016-01-06 | 浙江大学 | A kind of double-layer spiral type electrochemistry is removed and reclaims Heavy Metals in Sludge device |
| CN105174672A (en) * | 2015-10-13 | 2015-12-23 | 浙江大学 | Device for removing and recovering heavy metal in sludge through double-layer double-anode electrochemical method |
| CN105750313A (en) * | 2016-05-04 | 2016-07-13 | 辽宁石油化工大学 | Surfactant enhanced organic polluted soil electric-biological remediation method and device |
| CN105750313B (en) * | 2016-05-04 | 2019-09-10 | 辽宁石油化工大学 | A kind of method that surfactant reinforcing organic polluted soil is electronic-biological prosthetic |
| CN108326030A (en) * | 2018-01-11 | 2018-07-27 | 上海理工大学 | The heavy metal-polluted soil prosthetic device of convertible array-type electrode |
| CN108326030B (en) * | 2018-01-11 | 2020-11-24 | 上海理工大学 | Soil heavy metal prosthetic devices of convertible array electrode |
| CN108339846A (en) * | 2018-01-18 | 2018-07-31 | 青岛科技大学 | Fuel cell handles the system and method that organic wastewater synchronizes repairing heavy metal in soil |
| CN109055983B (en) * | 2018-06-13 | 2023-08-22 | 珠海格力电器股份有限公司 | Recovery process and device for electroplating gold-containing wastewater |
| CN109055983A (en) * | 2018-06-13 | 2018-12-21 | 珠海格力电器股份有限公司 | Recovery process and device for electroplating gold-containing wastewater |
| CN109332372A (en) * | 2018-12-14 | 2019-02-15 | 浙江中地净土科技有限公司 | A kind of electro reclamation vertical unit of heavy-metal contaminated soil |
| CN109848202A (en) * | 2019-02-28 | 2019-06-07 | 北京中岩大地科技股份有限公司 | A kind of tower processing equipment of Polluted Soil and waste residue |
| CN109848202B (en) * | 2019-02-28 | 2021-03-16 | 北京中岩大地科技股份有限公司 | Tower-type treatment equipment for polluted soil and waste residues |
| CN114160565A (en) * | 2021-12-08 | 2022-03-11 | 江苏澳洋生态园林股份有限公司 | Electrochemical soil improvement system |
| CN114192567A (en) * | 2021-12-08 | 2022-03-18 | 江苏澳洋生态园林股份有限公司 | Process for improving acidified contaminated soil |
| CN114160565B (en) * | 2021-12-08 | 2022-11-15 | 江苏澳洋环境科技有限公司 | Electrochemical soil improvement system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103896468B (en) | 2015-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103896468B (en) | A kind of electrochemistry is removed and reclaims heavy metal device in solid waste | |
| CN107055985B (en) | Plate-and-frame filter press device for deep dehydration of sludge by additional electrolysis method | |
| CN203960016U (en) | Heavy metal device in solid waste is removed and reclaimed to electrochemistry | |
| CN104370350A (en) | Electrochemical device and method for water treatment | |
| CN105502584A (en) | Device and method for removing ammonia nitrogen, nitrite nitrogen and COD in marine culture wastewater | |
| CN102826632A (en) | In-situ adsorption-microelectrolysis-catalytic oxidation sewage treatment equipment and method | |
| CN102633325B (en) | Novel nanometer catalytic electrolysis device | |
| CN109485205A (en) | A kind of movable type organic waste water treating device | |
| CN203833685U (en) | Low-concentration heavy metal wastewater membrane electrolytic treatment device | |
| CN104118966A (en) | A three-dimensional electric-biology-coupled water purification system with gas and water flowing at different directions and a water purification method | |
| CN105174672A (en) | Device for removing and recovering heavy metal in sludge through double-layer double-anode electrochemical method | |
| CN104261521B (en) | Waste disposal plant | |
| CN202415301U (en) | Printing and dyeing wastewater treatment system | |
| CN203307440U (en) | Recycling device for processing copper ions in electroplating wastewater | |
| CN205045967U (en) | Heavy metal device in mud is got rid of and retrieves to double -deck double anode electrochemistry | |
| CN205045966U (en) | Heavy metal device in mud is got rid of and retrieves to double -deck screw -tupe electrochemistry | |
| CN105217906A (en) | A kind of double-layer spiral type electrochemistry is removed and reclaims Heavy Metals in Sludge device | |
| CN107827210B (en) | Sewage treatment method based on plate-frame type filter pressing electrolysis integrated special sewage treatment equipment | |
| CN202558734U (en) | Phenolic resin production waste water disposal device | |
| CN108821396A (en) | A kind of electric flocculation sewage treatment device and its processing method | |
| CN112390478A (en) | Device for efficiently treating aged landfill leachate through biological membrane and electric flocculation | |
| CN206666268U (en) | Water circulation processing system for plate making | |
| CN203498221U (en) | Sewage recycling system | |
| CN104496127A (en) | Buried organic wastewater treatment device and treatment method thereof | |
| CN104370345A (en) | Sewage treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 |