CN109735712A - Dead catalyst noble metal recovery system and recovery method - Google Patents
Dead catalyst noble metal recovery system and recovery method Download PDFInfo
- Publication number
- CN109735712A CN109735712A CN201910049755.3A CN201910049755A CN109735712A CN 109735712 A CN109735712 A CN 109735712A CN 201910049755 A CN201910049755 A CN 201910049755A CN 109735712 A CN109735712 A CN 109735712A
- Authority
- CN
- China
- Prior art keywords
- subsider
- dead catalyst
- noble metal
- import
- solution
- 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
Links
Classifications
-
- 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
Landscapes
- Catalysts (AREA)
Abstract
The invention discloses a kind of dead catalyst noble metal recovery system and recovery methods, it includes pulverizer (1), alkaline bath (2), subsider (3), filter press (4), extraction equipment (5), back extraction device (6) and electrodeposition pond (7), the lower section of pulverizer (1) discharge port is equipped with conveying device (8), side of alkaline bath (2) setting in conveying device (8), the import of the subsider (3) is connect with the outlet of alkaline bath (2), the import of the filter press (4) is connect with the outlet of subsider (3), the import of the extraction equipment (5) is connect with the filtrate (liquid (15) of filter press (4), the import of the back extraction device (6) is connect with the outlet of extraction equipment (5), the import of the electrodeposition pond (7) and back extraction device (6) organic phase outlet ( 12) it connects.
Description
Technical field
The present invention relates to metal recovery technical field, especially a kind of dead catalyst noble metal recovery system and recycling side
Method.
Background technique
It is reported that the whole world is annual to generate dead catalyst 50~700,000 ton, wherein useless oil refining catalyst accounts for significant proportion, with
China's dead catalyst noble metal recovery technology oil catalyst sales volume cumulative year after year, the yield of useless oil refining catalyst also increase year by year
Add, if not being subject to scientific management to useless oil refining catalyst, poisonous and harmful element therein pollutes the environment and harmful to human is strong
Health, and some of which precious metal resource can be also lost.
Often contain some toxic components, mainly heavy metal and volatile organic matter, tool in petroleum chemical industry spent catalyst
There is great environmental risk, carrying out nuisanceless disposal to it is particularly important.In addition, having in petroleum chemical industry spent catalyst higher
The noble metal of content or other valuable metals, some are even much higher than corresponding component content in certain lean ores, can be as
Secondary resource re-uses.Petroleum chemical industry spent catalyst is comprehensively utilized, resource utilization both can be improved, it is more avoidable useless
Catalyst bring environmental problem realizes sustainable development.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, provides a kind of dead catalyst noble metal recovery system and returns
Receiving method.
The purpose of the present invention is achieved through the following technical solutions: a kind of title dead catalyst noble metal recovery system, it
Including pulverizer, alkaline bath, subsider, filter press, extraction equipment, back extraction device and electrodeposition pond, the pulverizer discharge port
Lower section is equipped with conveying device, and the side of conveying device, the import of the subsider and going out for alkaline bath is arranged in the alkaline bath
Mouth connection, the import of the filter press and the outlet of subsider connect, and the import of the extraction equipment and the filtrate of filter press go out
Mouth connection, the import of the back extraction device and the outlet of extraction equipment connect, the import in the electrodeposition pond and having for back extraction device
Machine mutually exports connection.
Further, the agitating shaft for agitating solution is equipped in the alkaline bath.
Further, it is equipped with delivery pump A between the alkaline bath and subsider, is equipped between the subsider and filter press
Delivery pump B.
Further, the back extraction device further includes water phase outlet, the refluxing opening of water phase outlet connection subsider.
It further, further include alkali immersion trough, the filter press is equipped with sludge outlet, and sludge outlet and the import of alkali immersion trough connect
It connects.
A kind of dead catalyst method for recovering precious metals, it the following steps are included:
S1. it crushes: the dead catalyst containing noble metal is crushed as 100-150 targeted fine powder, then in investment alkaline bath；
S2. alkali cleaning separates: being passed through steam into alkaline bath, heats fine powder to 80-85 DEG C, it is 3%-5% that mass fraction, which is then added,
NaOH solution and mixed solution is stirred, mixing time 1-2h, mixed solution stir after aspirated by delivery pump A
It is stood to subsider, the grease on solution upper layer is isolated after natural subsidence, the waste water containing noble metal is retained among alkali slot；
S3. acidleach: it is gradually added the concentrated sulfuric acid into subsider by solution ph and is adjusted to 1.5, the time keeps 2-3h；Then it separates
The filter residue in solution is filtered out, filtrate is pumped into extraction equipment by delivery pump B；
S4. it extracts and is stripped: P204 extractant being added in extraction equipment, P204 extractant extracts molten respectively at various ph values
Copper ion, nickel ion and zinc ion in liquid, then pass to sulfuric acid and are stripped, isolated copper sulphate, nickel sulfate and sulphur
Sour zinc, isolated copper sulphate obtain cathode copper through electrodeposition decopper(ing)；
Further, if being free of oily substance and organic matter in dead catalyst in step S1, smashed solid fines are thrown
Enter in subsider and add water and stir, then skips step S2 and enter step S3 and handled；
Further, filter residue is remained in subsider in step s3, the pH of NaOH mashing stirring to solution is added into filter residue
Value is greater than 12.
Further, the water phase after being stripped in step s 4 flows into acidleach process to recycle after waste water station purifies to be made
With.
The invention has the following advantages that the present invention can recycle the noble metal in useless oil refining catalyst, both can avoid
Dead catalyst bring environmental problem, and improve resource utilization.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
In figure: 1- pulverizer, 2- alkaline bath, 3- subsider, 4- filter press, 5- extraction equipment, 6- back extraction device, 7- electrodeposition pond,
8- conveying device, 9- agitating shaft, 10- delivery pump A, 11- delivery pump B, 12- organic phase outlet, the outlet of 13- water phase, 14- filter residue go out
Mouthful, 15- filtrate (liquid.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, but protection scope of the present invention is not limited to following institute
It states.
As shown in Figure 1, a kind of dead catalyst noble metal recovery system, it includes pulverizer 1, alkaline bath 2, subsider 3, pressure
Filter 4, extraction equipment 5, back extraction device 6 and electrodeposition pond 7, the lower section of 1 discharge port of pulverizer is equipped with conveying device 8, described
The side of conveying device 8 is arranged in alkaline bath 2, and the import of the subsider 3 is connect with the outlet of alkaline bath 2, the filter press 4
Import connect with the outlet of subsider 3, the import of the extraction equipment 5 is connect with the filtrate (liquid 15 of filter press 4, described anti-
The import of extraction device 6 is connect with the outlet of extraction equipment 5, the import in the electrodeposition pond 7 and the organic phase outlet 12 of back extraction device 6
Connection.
Further, the agitating shaft 9 for agitating solution is equipped in the alkaline bath 2.
Further, be equipped with delivery pump A10 between the alkaline bath 2 and subsider 3, the subsider 3 and filter press 4 it
Between be equipped with delivery pump B11.
Further, the back extraction device 6 further includes water phase outlet 13, the refluxing opening of 13 connection subsider 3 of water phase outlet.
It further, further include alkali immersion trough, the filter press 4 is equipped with sludge outlet 14, sludge outlet 14 and alkali immersion trough
Import connection.
A kind of dead catalyst method for recovering precious metals, it the following steps are included:
S1. it crushes: the dead catalyst containing noble metal is crushed as 100-150 targeted fine powder, then in investment alkaline bath 2；
S2. alkali cleaning separates: being passed through steam into alkaline bath 2, heats fine powder to 80-85 DEG C, it is 3%-5% that mass fraction, which is then added,
NaOH solution and mixed solution is stirred, mixing time 1-2h, mixed solution stir after taken out by delivery pump A10
Be drawn to subsider 3 and stand, the grease on solution upper layer is isolated after natural subsidence, by the waste water containing noble metal be retained in alkali slot it
In；
S3. acidleach: it is gradually added the concentrated sulfuric acid into subsider 3 by solution ph and is adjusted to 1.5, the time keeps 2-3h, makes inside
Solution sufficiently react；Then separation filters out the filter residue in solution, and filtrate is pumped into extraction equipment 5 by delivery pump B11；
S4. it extracts and is stripped: P204 extractant being added in extraction equipment 5, P204 extractant extracts respectively at various ph values
Copper ion, nickel ion and zinc ion in solution, then pass to sulfuric acid and are stripped, isolated copper sulphate, nickel sulfate and
Zinc sulfate, isolated copper sulphate obtain cathode copper through electrodeposition decopper(ing)；
Further, if being free of oily substance and organic matter in dead catalyst in step S1, smashed solid fines are thrown
Enter in subsider 3 and add water and stir, then skips step S2 and enter step S3 and handled；
Further, filter residue is remained in subsider 3 in step s3, the pH of NaOH mashing stirring to solution is added into filter residue
Value is greater than 12, and the elements such as tungsten, molybdenum, vanadium in solution are dissolved in lye, and after filters pressing, filter residue drying is sent to cement plant, uses salt
Other equal raw materials of acid come out the element extractions such as tungsten, molybdenum, vanadium in lye.
Further, the water phase after being stripped in step s 4 flows into acidleach process to recycle after waste water station purifies to be made
With.
The above, only presently preferred embodiments of the present invention not do limitation in any form to the present invention.It is any ripe
Those skilled in the art is known, without departing from the scope of the technical proposal of the invention, all using technology contents described above
Many possible changes and modifications or equivalent example modified to equivalent change are made to technical solution of the present invention.Therefore, all
It is the content without departing from technical solution of the present invention, any change modification made to the above embodiment of technology according to the present invention,
Equivalent variations and modification belong to the protection scope of the technical program.
Claims (9)
1. a kind of dead catalyst noble metal recovery system, it is characterised in that: it includes pulverizer (1), alkaline bath (2), subsider
(3), filter press (4), extraction equipment (5), back extraction device (6) and electrodeposition pond (7) are set below pulverizer (1) discharge port
Have conveying device (8), the alkaline bath (2) is arranged in the side of conveying device (8), the import and alkali cleaning of the subsider (3)
The outlet of slot (2) connects, and the import of the filter press (4) is connect with the outlet of subsider (3), the extraction equipment (5) into
Mouth is connect with the filtrate (liquid (15) of filter press (4), and the import of the back extraction device (6) is connect with the outlet of extraction equipment (5),
The import of the electrodeposition pond (7) is connect with the organic phase outlet (12) of back extraction device (6).
2. a kind of dead catalyst noble metal recovery system according to claim 1, it is characterised in that: the alkaline bath (2)
The interior agitating shaft (9) being equipped with for agitating solution.
3. a kind of dead catalyst noble metal recovery system according to claim 1, it is characterised in that: the alkaline bath (2)
Delivery pump A(10 is equipped between subsider (3)), delivery pump B(11 is equipped between the subsider (3) and filter press (4)).
4. a kind of dead catalyst noble metal recovery system according to claim 1, it is characterised in that: the back extraction device
It (6) further include water phase outlet (13), water phase exports the refluxing opening of (13) connection subsider (3).
5. a kind of dead catalyst noble metal recovery system according to claim 1, it is characterised in that: it further include alkali immersion trough,
The filter press (4) is equipped with sludge outlet (14), and sludge outlet (14) is connect with alkali immersion trough import.
6. a kind of dead catalyst method for recovering precious metals described in any one according to claim 1~5, which is characterized in that it
The following steps are included:
S1. it crushes: the dead catalyst containing noble metal is crushed as 100-150 targeted fine powder, then in investment alkaline bath (2)；
S2. alkali cleaning separates: being passed through steam into alkaline bath (2), heats fine powder to 80-85 DEG C, it is 3%- that mass fraction, which is then added,
5% NaOH solution is simultaneously stirred mixed solution, mixing time 1-2h, by delivery pump A after mixed solution stirring
(10) it is pumped to subsider (3) standing, the grease on solution upper layer is isolated after natural subsidence, the waste water containing noble metal is retained in
Among alkali slot；
S3. acidleach: it is gradually added the concentrated sulfuric acid into subsider (3) by solution ph and is adjusted to 1.5, the time keeps 2-3h；Then
Separation filters out the filter residue in solution, and filtrate is pumped into extraction equipment (5) by delivery pump B(11)；
S4. it extracts and is stripped: P204 extractant being added in extraction equipment (5), P204 extractant extracts respectively at various ph values
Copper ion, nickel ion and the zinc ion in solution are taken, sulfuric acid is then passed to and is stripped, isolated copper sulphate, nickel sulfate
And zinc sulfate, isolated copper sulphate obtain cathode copper through electrodeposition decopper(ing).
7. heavy metal collection method in dead catalyst according to claim 6, it is characterised in that: if useless in step S1 is urged
Oily substance and organic matter are free of in agent, and smashed solid fines are put into subsider (3) and added water and stirred, then are skipped
Step S2 enters step S3 and is handled.
8. heavy metal collection method in dead catalyst according to claim 6, it is characterised in that: subsider in step s3
(3) filter residue is remained in, the pH value that NaOH mashing stirring is added to solution into filter residue is greater than 12.
9. heavy metal collection method in dead catalyst according to claim 6, it is characterised in that: be stripped in step s 4
Water phase afterwards is flowed into acidleach process after waste water station purifies and is recycled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910049755.3A CN109735712A (en) | 2019-01-18 | 2019-01-18 | Dead catalyst noble metal recovery system and recovery method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910049755.3A CN109735712A (en) | 2019-01-18 | 2019-01-18 | Dead catalyst noble metal recovery system and recovery method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109735712A true CN109735712A (en) | 2019-05-10 |
Family
ID=66365313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910049755.3A Pending CN109735712A (en) | 2019-01-18 | 2019-01-18 | Dead catalyst noble metal recovery system and recovery method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109735712A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111151236A (en) * | 2020-01-17 | 2020-05-15 | 北京诺维新材科技有限公司 | Treatment method of waste catalyst of silicon dioxide loaded alkali metal cesium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332720A (en) * | 2013-06-14 | 2013-10-02 | 山东青龙山有色金属有限公司 | Method for recycling valuable metal from waste petroleum chemical catalysts |
| CN104593605A (en) * | 2015-01-09 | 2015-05-06 | 北京矿冶研究总院 | Method for processing multi-metal alloy |
| CN105567978A (en) * | 2016-01-28 | 2016-05-11 | 浙江新时代中能循环科技有限公司 | Method for recycling copper, zinc, cobalt and nickel from various kinds of nonferrous metal containing waste |
| CN106119544A (en) * | 2016-06-22 | 2016-11-16 | 中电恒德（北京）环保投资有限公司 | A kind of extraction titanium slag, tungsten and method of vanadic salts from discarded SCR catalyst |
| CN106492784A (en) * | 2016-12-19 | 2017-03-15 | 西安热工研究院有限公司 | A kind of method of discarded SCR catalyst resource recycling |
-
2019
- 2019-01-18 CN CN201910049755.3A patent/CN109735712A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332720A (en) * | 2013-06-14 | 2013-10-02 | 山东青龙山有色金属有限公司 | Method for recycling valuable metal from waste petroleum chemical catalysts |
| CN104593605A (en) * | 2015-01-09 | 2015-05-06 | 北京矿冶研究总院 | Method for processing multi-metal alloy |
| CN105567978A (en) * | 2016-01-28 | 2016-05-11 | 浙江新时代中能循环科技有限公司 | Method for recycling copper, zinc, cobalt and nickel from various kinds of nonferrous metal containing waste |
| CN106119544A (en) * | 2016-06-22 | 2016-11-16 | 中电恒德（北京）环保投资有限公司 | A kind of extraction titanium slag, tungsten and method of vanadic salts from discarded SCR catalyst |
| CN106492784A (en) * | 2016-12-19 | 2017-03-15 | 西安热工研究院有限公司 | A kind of method of discarded SCR catalyst resource recycling |
Non-Patent Citations (1)
| Title |
|---|
| 王昱等: "延长Pd/C催化剂使用寿命", 《聚酯工业》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111151236A (en) * | 2020-01-17 | 2020-05-15 | 北京诺维新材科技有限公司 | Treatment method of waste catalyst of silicon dioxide loaded alkali metal cesium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101838736B (en) | Wet separation method for valuable metals in purified liquid cobalt slags of wet zinc smelting system | |
| CN101580901B (en) | Method for refining zinc by using slag containing zinc | |
| CN107400780A (en) | A kind of method that gold, silver and bronze are extracted in the plate from cell phone lines | |
| CN105219968B (en) | A kind of method of titanium and iron in acidleach precipitate flotation combined recovery red mud | |
| CN101323908A (en) | Method for reclaiming cobalt from manganese cobalt slag | |
| CN102732731A (en) | Method for extracting valuable metals and refining zinc sulphate monohydrate from zinc-containing waste material | |
| CN207845730U (en) | A kind of wet method carries cobalt device | |
| CN105671327A (en) | Method for removing sodium in vanadium-containing tailings under alkaline condition | |
| CN107619068A (en) | A kind of iron sulfonium prepares the method that hydrogen sulfide is used for waste acid processing | |
| CN108977666A (en) | The recovery method of zinc cobalt in a kind of purification slag of zinc hydrometallurgy | |
| CN109735712A (en) | Dead catalyst noble metal recovery system and recovery method | |
| CN103276221A (en) | Method for recovering copper from copper flotation system liquids of tailings after cyaniding gold extraction | |
| CN103952550A (en) | Comprehensive method for producing ammonium paratungstate through low-tungsten tin concentrate | |
| CN106676275A (en) | Vanadium extraction method based on waste steel slag and acid-base property waste water | |
| CN103736595A (en) | Method for improving grade of silver concentrate recovered through zinc leaching residue flotation | |
| CN106282588A (en) | Alkali regeneration method in reviver refine alkaline residue | |
| CN109970237A (en) | A kind of cyaniding tailing slurry decyanation processing method | |
| CN1208479C (en) | Noble metalregeneration recovering method for electronic waste material | |
| CN107604163B (en) | A kind of technique of no scorification processing electroplating sludge | |
| CN103966433A (en) | Method for extracting copper, gold and silver from copper oxide ore | |
| CN101845547A (en) | Process for recycling cobalt from cobalt oxide ore | |
| CN213172500U (en) | Wet recovery device for oil-containing waste catalyst | |
| CN115572833A (en) | Method capable of effectively leaching gold in printed circuit board | |
| CN106498174B (en) | A kind of method of metallic copper, zinc synthetical recovery in leaded industrial residue | |
| CN209338269U (en) | A kind of incineration of refuse flyash water lotion decalcification system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190510 |
|
| RJ01 | Rejection of invention patent application after publication |