CN102021344A - Precious metal contained waste liquid recovery processing unit - Google Patents
Precious metal contained waste liquid recovery processing unit Download PDFInfo
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- CN102021344A CN102021344A CN2010105820526A CN201010582052A CN102021344A CN 102021344 A CN102021344 A CN 102021344A CN 2010105820526 A CN2010105820526 A CN 2010105820526A CN 201010582052 A CN201010582052 A CN 201010582052A CN 102021344 A CN102021344 A CN 102021344A
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- carbon fiber
- precious metal
- waste liquid
- resin
- resin absorption
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The invention provides a precious metal contained waste liquid recovery processing unit, comprising a multi-level deposit chamber and a connecting pipeline, wherein a water pump is connected at the water outlet at the lower part of a recovery deposit chamber; the water pump is successively connected with a bag type filter with a pressure gauge, a carbon fiber disc filter and a carbon fiber felt filter through the pipeline; a group of resin adsorption devices are arranged on the pipeline at the outlet of the carbon fiber felt filter; the adsorption device comprises two resin adsorption tubes; and conductivity analyzers with alarming function are respectively arranged on the water inlet pipeline of the adsorption device and the water outlet pipeline. In the invention, for different precious metal ions, the carbon fiber adsorption capacity is improved by different processing modes such as activated preparation, superficial treatment, and specific organic matter adsorption; the precious metal in the waste liquid can be recovered effectively, and leaky precious metal can be adsorbed again by special resin of the adsorption device; cyanide, organic matters and other precious metal ions in the liquid can be removed; and then acid-base treatment is carried out to realize safety emission or recycling.
Description
Technical field
The invention belongs to the metal recovery environmental technology field, relate to the recovery of precious metal electroplating waste liquid, the recovery of precious metal mining industry leaching system precious metal and the retrieving arrangement of image film flushing industry waste liquid silver, be specifically related to the treatment unit that a kind of recovery contains the precious metal waste liquid.
Background technology
In existing metal waste liquid recovery technology, generally be to be undertaken by the mode of absorption, what mainly adopt is resin material, because rate of adsorption is very slow, reaching adsorption equilibrium often needs several hrs, even tens hours, and the desorption difficulty, desorption aqua amount is big, causes reclaiming not exclusively; Adsorptive capacity is little, and average absorption is 20～30mg/g resin just, causes an adsorption device huge.So the insider can only reclaim the metal of absorption with burning method, also can produce a large amount of prussic acid toxic gases and a large amount of De dioxin during owing to burning.Therefore cause environmental pollution.Relatively disperse because of precious metal ion when resin absorption distributes,, be difficult to satisfy the requirement of recovery fully of precious metal in the discharging waste liquid so also can cause reclaiming not exclusively.
Summary of the invention
The purpose of this invention is to provide a kind of novel structure, easy to operate, the recovery that accords with the safety and environmental protection requirement again contains the treatment unit of precious metal waste liquid, adopt carbon fibre material absorption precious metal in the treatment unit, the characteristic property that utilizes carbon fibre material to possess is by different activation and surface treatment mode, with its more additional specific organic substances, adsorptive capacity is promoted greatly, and make tight, the reunion of noble metal structures, rate of adsorption is fast, complete.By simple oxidation treatment, the cyanide oxidation of absorption can be become harmless gaseous emission, the direct melting of input smelting furnace is burnt till ashes and is changed into the water recovery, and gain quick return, and rate of recovery height does not produce pollution.Solved in the complete recovery technology of precious metal in the existing discharging waste liquid and sent one's regards to topic.
The technical solution adopted in the present invention is, a kind of recovery contains the treatment unit of precious metal waste liquid, comprise multistage recovery settling bath and the pipeline that is connected, the water outlet of described recovery settling bath bottom is connected to a water pump, water pump connects successively through pipeline the tensimeter deep bed filter is housed, carbon fiber plate strainer and carbon fiber felt strainer, on the outlet conduit that connects the carbon fiber felt strainer, also be provided with one group of resin absorption device, described resin absorption device comprises two cover resin absorption tubes, on resin absorption device inlet channel and outlet conduit, each installs a conductivity table with warning function, and the water outlet of resin absorption device also is connected with the potential of hydrogen treatment unit.
The retrieving arrangement of precious metal in the processing of the present invention discharging waste liquid, its feature also be,
The entrance of described carbon fiber plate strainer is the tangent line setting, is installed on outside stacked the activated carbon fiber dish of the PP filter core at center.
The entrance of described carbon fiber felt strainer is the tangent line setting, and the outside compact winding of skeleton that is installed on the center is wrapping active carbon fiber felt.
Resin in the two cover resin absorption tubes of described resin absorption device is respectively resin cation (R.C.) and resin anion(R.A).
The present invention reclaims the treatment unit that contains the precious metal waste liquid, at different precious metal ions, the specific organic substance of preparation activation, surface treatment mode, absorption by different promotes carbon fiber absorption amount greatly, and the precious metal that will discharge in the waste liquid reclaims effectively.And adsorb precious metal once more, remove prussiate, organic substance and other heavy metal ion in the liquid by the resin in the resin absorption tube of resin absorption device.
The present invention reclaims and to adopt carbon fibre material absorption precious metal in the treatment unit contain the precious metal waste liquid, the characteristic property that utilizes carbon fibre material to possess, the noble metal structures that makes absorption closely, reunite, and adsorptive capacity is big, speed fast, fully; No matter desorption, burning, the rate of recovery is all higher, because what use is organic carbide, so do not produce dioxin when burning, carbon fibre material in the carbon fiber filter is by simple oxidation agent oxide treatment, adsorbed cyanide oxidation can be become harmless gaseous emission, not produce the prussic acid toxic gas.Can drop into the direct melting of smelting furnace, or burn till ashes, dissolve in solvent recuperation.And be applicable to that acid or basic solution, multiple precious metal mixing solutions reclaim simultaneously, gain quick return, rate of recovery height, and the waste liquid after the processing gets final product safety dumping through the simple acid-alkali treatment of potential of hydrogen treatment unit.
Description of drawings
Fig. 1 is that the present invention reclaims the treatment unit structural representation that contains the precious metal waste liquid;
Fig. 2 is a carbon fiber plate strainer cross-sectional configuration synoptic diagram of the present invention;
Fig. 3 is a carbon fiber felt strainer cross-sectional configuration synoptic diagram of the present invention.
Among the figure, 1. reclaim settling bath, 2. water pump, 3. pocket filter, 4. carbon fiber plate strainer, 5. carbon fiber felt strainer, 6. resin absorption device, 7. resin absorption tube, 8. conductivity table, 9.PP filter core, 10. activated carbon fiber dish, 11. skeletons, 12. active carbon fiber felts, 13. potential of hydrogen treatment unit.14. filtering net, 15. medicaments add mouth.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
A kind of recovery contains the treatment unit of precious metal waste liquid, as shown in Figure 1, comprise multistage recovery settling bath 1 and the pipeline that is connected, the water outlet of described recovery settling bath 1 bottom is connected to a water pump 2, water pump 2 connects pocket filter 3 successively through pipeline, carbon fiber plate strainer 4 and carbon fiber felt strainer 5, on the outlet conduit that connects carbon fiber felt strainer 5, also be provided with one group of resin absorption device 6, described resin absorption device comprises two cover resin absorption tubes 7, on resin absorption device 6 inlet channels and outlet conduit, each installs a conductivity table 8 with warning function, and the water outlet of resin absorption device 6 also is connected with potential of hydrogen treatment unit 13.
As shown in Figure 2, the entrance that the present invention reclaims the treatment unit carbon fiber plate strainer 4 that contains the precious metal waste liquid is the tangent line setting, is installed on the 9 outside stacked activated carbon fiber dishes 10 that wrapping at center.
As shown in Figure 3, the entrance that the present invention reclaims the treatment unit carbon fiber felt strainer 5 that contains the precious metal waste liquid is the tangent line setting, and the skeleton 11 outside compact winding that are installed on the center are wrapping active carbon fiber felt 12.
The present invention reclaims the treatment unit that contains the precious metal waste liquid, the discharging waste liquid that reclaims is put into multistage recovery settling bath 1 earlier carry out natural sedimentation, post precipitation pumps into the deep bed filter 3 with superior strainability by the water pump 2 that reclaims settling bath 1 bottom water outlet connection and carries out the pre-treatment filtration, the discharging waste liquid that filters through pre-treatment enters the formation turbulent flow at the inlet of carbon fiber plate strainer 4 with the tangent line current, turbulent liquid reduces the solid-liquid boundary layer thickness of discharging waste liquid, accelerate absorption, and the elasticity of activated carbon fiber dish 10 extruding by regulating carbon fiber plate strainer 4 and the high-permeability of PP filter core 9, waste liquid fully contacts through wrapping in the carbon fiber felt 12 of skeleton 11 with compact winding again, makes adsorption efficiency reach best.Because adopt carbon fibre material absorption precious metal in the treatment unit, the characteristic property that utilizes carbon fibre material to possess by different activation and surface treatment mode, or adsorbs some specific organic substances, and the adsorptive capacity of its precious metal is promoted greatly.The present invention also can only be adsorbed precious metal in containing multiple metal mixed solution, other heavy metal ion are adsorbed hardly.Also entered in the ingress of carbon fiber felt strainer 5 by the flowing liquid after 4 absorption of carbon fiber plate strainer with the tangent line current, and filter once more and adsorb by the active carbon fiber felt 12 that carbon fiber felt strainer 5 compact winding are wrapping, do not make and fully contacted with the carbon fiber of active carbon fiber felt 12 by the precious metal ion of carbon fiber plate strainer 4 absorption, enter yin and yang resin again and adsorb once more, reach absorption fully.
On resin absorption device 6 inlet channels and outlet conduit, each installs a conductivity table 8 with warning function, set different numerical value as requested, monitoring water quality, water quality with it in a single day changes and both can report to the police, whether report to the police back and with reference to the pressure value after reporting to the police, decision change carbon fiber in carbon fiber plate strainer 4, the carbon fiber felt strainer 5 or the regenerating resin in the resin absorption tube 7.
The present invention reclaims the treatment unit that contains the precious metal waste liquid, utilized the characteristic of carbon fiber in the carbon fiber filter, and at different precious metal ions, three kinds of independent processing modes by different activation preparations, surface treatment mode and the specific organic substance of absorption promote carbon fiber absorption amount greatly.And, solid-liquid is fully contacted by the carbon fiber disc type strainer 4 of degree of tightness appropriateness and the carbon fiber felt strainer 5 of compact winding, the precious metal in the discharging waste liquid is reclaimed effectively.And by the different classes of resin dedicated absorption in the resin absorption tube 7 of resin absorption device 6 remove in the liquid prussiate, organic substance and other heavy metal ion and to some carbon fibers absorption effects not good enough, run the precious metal ion that leaks and adsorb once more.
Resin in the two cover resin absorption tubes 7 that resin absorption device 6 of the present invention is provided with is respectively resin cation (R.C.) and resin anion(R.A).Remove 99% prussiate and heavy metal ion in the liquid by resin anion(R.A) absorption in the resin absorption tube 7, remove organic substance and other heavy metal ion in the liquid with resin cation (R.C.) absorption in another resin absorption tube 7.Through the waste liquid of two cover resin absorption tubes, 7 zwitterion resin absorption removal liquid prussiate, organic substance and other heavy metal, after filtering, the filtering net 14 on resin absorption tube 7 tops flows into the potential of hydrogen treatment unit 13 of the water outlet connection of resin absorption device 6 again.When the waste liquid that has reclaimed precious metal is connected with potential of hydrogen treatment unit 13 through the water outlet of resin absorption device 6, by add mouthful 15 places suitable interpolation acidity or basic treatment medicament in waste liquid at medicament, the acid or the alkali neutralizing treatment that contain in the liquid can be fallen, realize the zero release of waste liquid safety.
The resin absorption device 6 that the dotted line scope is provided with in removing treatment unit shown in Figure 1, the used cyanating solution or the recovery of chlorated liquid precious metal when both can be used for mine ore dressing.
Ion exchange resin is according to precious metal ions different in the waste liquid, and the optional prussiate that contains selects for use suction cyanogen resin dedicated.Also can only adsorb precious metal in containing multiple metal mixed solution, other heavy metal ion are adsorbed hardly.Liquid after precious metal reclaims can return be delivered to ore dressing used soak damp system, use as additional the proceeding of leach liquor.
Above-mentioned embodiment is an an example of the present invention, is not to be used for limiting working of an invention and interest field, and all equivalences of making according to the described content of the present patent application scope of patent protection change and modify, and all should be included in the present patent application claim.
Claims (4)
1. a recovery contains the treatment unit of precious metal waste liquid, comprise multistage recovery settling bath (1) and the pipeline that is connected, it is characterized in that, the water outlet of described recovery settling bath 1 bottom is connected to a water pump 2, water pump (2) connects successively through pipeline manometric deep bed filter (3) is housed, carbon fiber plate strainer (4) and carbon fiber felt strainer (5), on the outlet conduit that connects carbon fiber felt strainer (5), also be provided with one group of resin absorption device (6), described resin absorption device (6) comprises two cover resin absorption tubes (7), on resin absorption device (6) inlet channel and outlet conduit, each installs a conductivity table (8) with warning function, and the water outlet of resin absorption device 6 also is connected with potential of hydrogen treatment unit (13).
2. described recovery contains the treatment unit of precious metal waste liquid according to claim 1, it is characterized in that the entrance of described carbon fiber plate strainer (4) is the tangent line setting, be installed on the PP filter core (9) at center outside stacked activated carbon fiber dish (10).
3. described recovery contains the treatment unit of precious metal waste liquid according to claim 1, it is characterized in that the entrance of described carbon fiber felt strainer (5) is the tangent line setting, and skeleton (11) outside that is installed on the center is wrapping active carbon fiber felt (12).
4. described recovery contains the treatment unit of precious metal waste liquid according to claim 1, it is characterized in that, the resins in the two cover resin absorption tubes (7) of described resin absorption device (6) are respectively resin cation (R.C.) and resin anion(R.A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105820526A CN102021344B (en) | 2010-12-10 | 2010-12-10 | Processing unit of precious metal contained waste liquid recovery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105820526A CN102021344B (en) | 2010-12-10 | 2010-12-10 | Processing unit of precious metal contained waste liquid recovery |
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| CN102021344A true CN102021344A (en) | 2011-04-20 |
| CN102021344B CN102021344B (en) | 2013-04-24 |
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| CN2010105820526A Expired - Fee Related CN102021344B (en) | 2010-12-10 | 2010-12-10 | Processing unit of precious metal contained waste liquid recovery |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358643A (en) * | 2011-06-21 | 2012-02-22 | 长春一汽富维高新汽车饰件有限公司 | Apparatus for recovering and reusing electroplating rinse water, and method thereof |
| CN103232124A (en) * | 2013-05-09 | 2013-08-07 | 林江颖 | Treatment method of waste water generated by mining weathering crust eluvial type rare earth mine |
| CN106086424A (en) * | 2016-08-09 | 2016-11-09 | 成都虹华环保科技股份有限公司 | A kind of gold retracting device |
| CN106245059A (en) * | 2016-08-08 | 2016-12-21 | 侯梦斌 | A kind of based on the noble metal reclaimer and the technique that flow through formula capacitive deionization method |
| CN107973451A (en) * | 2017-12-29 | 2018-05-01 | 广西生富锑业科技股份有限公司 | A kind of wastewater zero discharge system |
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| JPH11253968A (en) * | 1998-03-12 | 1999-09-21 | Hitachi Chemical Techno Plant Co Ltd | Water recovering apparatus |
| CN101585609A (en) * | 2008-05-23 | 2009-11-25 | 关洪中 | Regenerating and recycling method for treating sewage by a three-stage materialization method |
| CN201999974U (en) * | 2010-12-10 | 2011-10-05 | 游京初 | Processing device for recycling waste liquid containing noble metal |
-
2010
- 2010-12-10 CN CN2010105820526A patent/CN102021344B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11253968A (en) * | 1998-03-12 | 1999-09-21 | Hitachi Chemical Techno Plant Co Ltd | Water recovering apparatus |
| CN101585609A (en) * | 2008-05-23 | 2009-11-25 | 关洪中 | Regenerating and recycling method for treating sewage by a three-stage materialization method |
| CN201999974U (en) * | 2010-12-10 | 2011-10-05 | 游京初 | Processing device for recycling waste liquid containing noble metal |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358643A (en) * | 2011-06-21 | 2012-02-22 | 长春一汽富维高新汽车饰件有限公司 | Apparatus for recovering and reusing electroplating rinse water, and method thereof |
| CN103232124A (en) * | 2013-05-09 | 2013-08-07 | 林江颖 | Treatment method of waste water generated by mining weathering crust eluvial type rare earth mine |
| CN106245059A (en) * | 2016-08-08 | 2016-12-21 | 侯梦斌 | A kind of based on the noble metal reclaimer and the technique that flow through formula capacitive deionization method |
| CN106086424A (en) * | 2016-08-09 | 2016-11-09 | 成都虹华环保科技股份有限公司 | A kind of gold retracting device |
| CN106086424B (en) * | 2016-08-09 | 2018-01-23 | 成都虹华环保科技股份有限公司 | A kind of golden retracting device |
| CN107973451A (en) * | 2017-12-29 | 2018-05-01 | 广西生富锑业科技股份有限公司 | A kind of wastewater zero discharge system |
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| CN102021344B (en) | 2013-04-24 |
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Granted publication date: 20130424 Termination date: 20131210 |