CN107779610A - A kind of method and device of ultrasonic combined stirring pretreatment refractory gold ore - Google Patents
A kind of method and device of ultrasonic combined stirring pretreatment refractory gold ore Download PDFInfo
- Publication number
- CN107779610A CN107779610A CN201710927876.4A CN201710927876A CN107779610A CN 107779610 A CN107779610 A CN 107779610A CN 201710927876 A CN201710927876 A CN 201710927876A CN 107779610 A CN107779610 A CN 107779610A
- Authority
- CN
- China
- Prior art keywords
- stirring
- ultrasonic
- pretreatment
- treatment
- platform
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/12—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
-
- 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
Abstract
The invention discloses a kind of method and device of ultrasonic combined stirring pretreatment refractory gold ore, the device includes casing and is arranged on the case lid of casing top, treatment trough is placed with casing, one group of ultrasonic oscillator is installed on the bottom for the treatment of trough and side wall, ultrasonic oscillator is connected by wire with the supersonic generator outside casing, one group of stirring platform is installed with the bottom for the treatment of trough simultaneously, it is described stirring platform be hollow structure, stir motor main shaft penetrate stirring platform after with stir platform in permanent magnet be fixedly connected.The present invention produces transient cavitation effect using ultrasonic wave, transient cavitation bubble drastically expands and shunk, localized hyperthermia and high pressure can be produced in bubble, the generation of hydroxyl radical free radical is excited in aqueous medium, effectively destroy the mineral of parcel gold, it is easy to micro-disseminated gold to discharge to contact with leaching agent, while saves the dosage of oxidant.
Description
Technical field
The present invention relates to a kind of method and device of ultrasonic combined stirring pretreatment refractory gold ore, belong to gold mine and pick up skill
Art field.
Background technology
Because gold has finance, currency and item property concurrently, it is different from other metals and turns into a kind of very important war
Slightly mineral.China's gold ore resource enriches, and gold deposit and ore deposit point are in uneven distribution in China, but each Kuang Dian areas
Relatively centralized is distributed on domain, at present, has formed Jiaodong Areas, Xiaoqinling to Xiong'er shan, Inner Mongolia, Shan Gan Chuan and Guizhou Province Yunnan osmanthus three
Multiple gold bases such as angular region, in the explored gold reserve in China, it is refractory gold ore to have 30%.
Guizhou Province Dian Gui trigonums gold base Main Types of Gold Deposits is Micro-disseminated Gold Deposits.Gold granularity it is tiny, mainly with
Based on parcel gold, gold-carrying minerals are pyrite, quartz, carbonate rock mineral, containing the harmful element such as organic carbon and arsenic, belong to low
Grade micro-fine disseminated type difficulty selects primary gold ore.
Low-grade micro-fine disseminated type difficulty selects primary gold ore technique of preparing difficult point to be how pyrite and quartz will be wrapped in
In micro-disseminated gold discharge and contacted with leaching agent, while eliminate " the robbing gold effect " of organic carbon again.At present such
The industrial production pretreatment of type gold mine includes：The methods of roasting method, pressure oxidation method, microbial oxidation and chemical oxidation.
Roasting method is big for environment pollution, has been no longer appropriate for producing strict today in environmental requirement.Pressure oxidation method is tight to equipment requirement
Lattice, equipment are subjected to higher temperature and pressure, using by a definite limitation.Microbiological oxidation has that flow is simple, cost is low
The features such as, but microculture cycle length, environment are difficult to control.
The content of the invention
It is an object of the invention to provide a kind of method and device of ultrasonic combined stirring pretreatment refractory gold ore, this method
Chemical Pretreatment method, ultrasonic combined stirring are combined, improve the leaching that the low-grade difficulty of micro-fine disseminated type selects primary gold ore
Rate, and pollution-free, efficiency high, condition are easily controlled.
Technical scheme：A kind of method of ultrasonic combined stirring pretreatment refractory gold ore, comprises the following steps：
(1) crush：Select primary gold ore stone to be crushed low-grade micro-fine disseminated type difficulty with jaw crusher, then cross 1
~2mm sieves, divide sample to pack with quartering, are put into refrigerator deepfreeze, standby；
(2) ore grinding：The low-grade micro-fine disseminated type difficulty after crushing is taken to select primary gold ore 200~500g of stone, by 1~3:1 is solid
Liquor ratio adds appropriate water, at room temperature the ore grinding in ball mill, and mog accounts for more than 95% less than 0.074mm, using wet type
Model machine is divided to divide sample；
(3) ultrasonic combined stirring oxidation pre-treatment：Ore grinding sample solid-to-liquid ratio is 1 in regulating step (2):3~5, simultaneously
2~6kg/t oxidants are added, oxidation pre-treatment is carried out using ultrasonic combined stirring；
(4) oxygenation pretreatment is added：It is 1 by ore pulp regulation solid-to-liquid ratio in step (3):3~5, add sodium hydroxide, dosage 10
~20kg/t, is stirred simultaneously, and pretreatment time is 5~10h；
(5) leach：Non- cyanogen leaching agent is added, dosage is 5~10kg/t, and extraction time is 1~4h.
In the above method, ultrasonic frequency is 20~40KHz during the ultrasonic combined stirring oxidation pre-treatment,
Power is 100~180W, speed of agitator 300r/min, and sonication times are 10~200min, the oxidation pre-treatment time is 2~
4h。
In the above method, the oxidant is the mixture of ammonium persulfate and ferrous sulfate.
Meanwhile the present invention also provide it is a kind of it is ultrasonic combined stirring pretreatment refractory gold ore device, including casing and
The case lid of casing top is arranged on, treatment trough is placed with casing, one group is provided with the bottom for the treatment of trough and side wall
Ultrasonic oscillator, ultrasonic oscillator is connected by wire with the supersonic generator outside casing, while is consolidated in the bottom for the treatment of trough
Dingan County is equipped with one group of stirring platform, and the stirring platform be hollow structure, stir motor main shaft penetrate after stirring platform and
Permanent magnet in stirring platform is fixedly connected.
The ultrasonic oscillator is symmetrically disposed in stirring platform both sides.
The periphery of the stirring table top is equably fixed with four link stoppers.
Handle is provided with the top of described case lid.
The stirring platform is aluminium alloy structure.
Due to using above-mentioned technical proposal, the advantage of the invention is that：
(1) ultrasonic wave of the stronger sound intensity produces transient cavitation effect, and transient cavitation bubble drastically expands and shunk, in bubble
Localized hyperthermia and high pressure can be produced, the generation of hydroxyl radical free radical is excited in aqueous medium, the mineral of parcel gold is effectively destroyed, is easy to
Micro-disseminated gold discharges to be contacted with leaching agent, while saves the dosage of oxidant.
(2) lasting stirring can make to dissolve more gases in ore pulp, i.e., can produce a large amount of minute bubbles, reduce cavitation and make
With threshold value, make cavitation be easier to occur, produce substantial amounts of hydroxyl radical free radical, accelerate the destruction of parcel gold mineral, using this
1.0~2.0g/t micro-fine disseminated type low-grade primary gold ores of method pretreatment, non-cyanogen leaching rate is up to more than 80%.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the top view of the structural representation for the treatment of trough in the present invention；
Fig. 3 is the sectional view of the structural representation for the treatment of trough in the present invention.
Description of reference numerals：1- treatment troughs；2- casings；3- ultrasonic oscillators；4- permanent magnets；5- blocks；6- stirring electricity
Motivation；7- case lids；8- handles；9- supersonic generators；10- wires；11- master switch；12- stirs platform.
Embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, with reference to the accompanying drawings and examples to this hair
It is bright to be described in further detail.
Referring to Fig. 1~3, a kind of device of ultrasonic combined stirring pretreatment refractory gold ore of the invention, including casing 2 with
And the case lid 7 at the top of casing 2 is arranged on, the top of case lid 7 is provided with handle 8, treatment trough 1 is placed with casing 2, is being handled
36 ultrasonic oscillators 3 are installed on the bottom of groove 1 and side wall, i.e., the bottom for the treatment of trough 1 install 16, each 6 of front-back,
Each 4 of left and right side, the ultrasonic oscillator 3 is connected by wire 10 with the supersonic generator 9 outside casing 2, while is being located
The bottom of reason groove 1 is installed with one group of stirring platform 12, and the stirring platform 12 is hollow structure, stirs the master of motor 6
Axle is fixedly connected after penetrating stirring platform 12 with the permanent magnet 4 in stirring platform 12.The ultrasonic oscillator 3 is symmetrically disposed in
Stir the both sides of platform 12.The stirring platform 12 is aluminium alloy structure, and stirring platform 12 is equably fixed with the periphery at top
Four link stoppers 5, it is easy to beaker being placed among four link stoppers 5, prevents beaker from being moved in whipping process, be advantageous to the pre- of gold mine
Processing.Described stirring motor 6 is controlled by the master switch 11 on the outer wall of casing 2.
Embodiment 1
A kind of method of ultrasonic combined stirring pretreatment refractory gold ore of the present invention, comprises the following steps：
(1) crush：Primary gold ore stone is selected to be crushed low-grade micro-fine disseminated type difficulty with jaw crusher, then mistake
1mm sieves, divide sample to pack with quartering, be put into refrigerator deepfreeze, standby；
(2) ore grinding：The low-grade micro-fine disseminated type difficulty after crushing is taken to select primary gold ore stone 200g, by 1:1 solid-to-liquid ratio adds
Appropriate water, at room temperature the ore grinding in ball mill, mog account for more than 95% less than 0.074mm, divide model machine point using wet type
Sample；
(3) ultrasonic combined stirring oxidation pre-treatment：The ore grinding sample of step (2) is added in beaker, adjusts ore grinding sample
Product solid-to-liquid ratio is 1:3, while 6kg/t ammonium persulfates and 2kg/t ferrous sulfate are added, then carried out using ultrasonic combined stirring
Oxidation pre-treatment, starts supersonic generator 9 and stirring motor 6, ultrasonic frequency 30KHz, sonication times are
150min, power 120W, the speed of agitator of stirring motor 6 is 300r/min, and the oxidation pre-treatment time is 4h；
(4) oxygenation pretreatment is added：It is 1 by ore pulp regulation solid-to-liquid ratio in step (3):3,20kg/t sodium hydroxides are added, simultaneously
Stirring, pretreatment time 10h；
(5) leach：The non-cyanogen leaching agents of 10kg/t are added, extraction time is 1~4h, finally obtains 86.15% Gold leaching
Rate.
Embodiment 2：
A kind of method of ultrasonic combined stirring pretreatment refractory gold ore of the present invention, comprises the following steps：
(1) crush：Primary gold ore stone is selected to be crushed low-grade micro-fine disseminated type difficulty with jaw crusher, then mistake
2mm sieves, divide sample to pack with quartering, be put into refrigerator deepfreeze, standby；
(2) ore grinding：Take the low-grade micro-fine disseminated type difficulty after crushing to select primary gold ore stone 500g, added by 1~3 solid-to-liquid ratio
Appropriate water, at room temperature the ore grinding in ball mill, mog account for more than 95% less than 0.074mm, divide model machine point using wet type
Sample；
(3) ultrasonic combined stirring oxidation pre-treatment：The ore grinding sample of step (2) is added in beaker, adjusts ore grinding sample
Product solid-to-liquid ratio is 1:5, while 6kg/t ammonium persulfates and 2kg/t ferrous sulfate are added, then carried out using ultrasonic combined stirring
Oxidation pre-treatment, starts supersonic generator 9 and stirring motor 6, ultrasonic frequency 30KHz, sonication times are
150min, power 120W, the speed of agitator of stirring motor 6 is 300r/min, and the oxidation pre-treatment time is 4h；
(4) oxygenation pretreatment is added：It is 1 by ore pulp regulation solid-to-liquid ratio in step (3):5,20kg/t sodium hydroxides are added, simultaneously
Stirring, pretreatment time 10h；
(5) leach：Add the non-cyanogen leaching agents of 10kg/t, extraction time 4h, finally acquisition 82.85% gold leaching rate.
Claims (8)
- A kind of 1. method of ultrasonic combined stirring pretreatment refractory gold ore, it is characterised in that comprise the following steps：(1) crush：Select primary gold ore stone to be crushed low-grade micro-fine disseminated type difficulty with jaw crusher, then cross 1~2mm Sieve, divide sample to pack with quartering, be put into refrigerator deepfreeze, standby；(2) ore grinding：The low-grade micro-fine disseminated type difficulty after crushing is taken to select primary gold ore 200~500g of stone, by 1~3:1 solid-to-liquid ratio Appropriate water is added, at room temperature the ore grinding in ball mill, mog accounts for more than 95% less than 0.074mm, divides sample using wet type Machine divides sample；(3) ultrasonic combined stirring oxidation pre-treatment：Ore grinding sample solid-to-liquid ratio is 1 in regulating step (2):3~5, while add 2 ~6kg/t oxidants, oxidation pre-treatment is carried out using ultrasonic combined stirring；(4) oxygenation pretreatment is added：It is 1 by ore pulp regulation solid-to-liquid ratio in step (3):3~5, add sodium hydroxide, dosage be 10~ 20kg/t, stir simultaneously, pretreatment time is 5~10h；(5) leach：Non- cyanogen leaching agent is added, dosage is 5~10kg/t, and extraction time is 1~4h.
- 2. the method for ultrasonic combined stirring pretreatment refractory gold ore according to claim 1, it is characterised in that：The oxygen Ultrasonic frequency be 20~40KHz during changing pretreatment, and power is 100~180W, speed of agitator 300r/min, ultrasonic The ripple time is 10~200min, and the oxidation pre-treatment time is 2~4h.
- 3. the method for ultrasonic combined stirring pretreatment refractory gold ore according to claim 1, it is characterised in that：The oxygen Agent is the mixture of ammonium persulfate and ferrous sulfate.
- 4. a kind of device of ultrasonic combined stirring pretreatment refractory gold ore, including casing (2) and it is arranged at the top of casing (2) Case lid (7), it is characterised in that：Treatment trough (1) is placed with casing (2), is pacified on the bottom for the treatment of trough (1) and side wall Equipped with one group of ultrasonic oscillator (3), ultrasonic oscillator (3) is connected by the supersonic generator (9) of wire (10) and casing (2) outside Connect, while one group of stirring platform (12) is installed with the bottom for the treatment of trough (1), the stirring platform (12) is hollow knot Structure, the main shaft of stirring motor (6) penetrate stirring platform (12) and are fixedly connected afterwards with the permanent magnet (4) in stirring platform (12).
- 5. the device of ultrasonic combined stirring pretreatment refractory gold ore according to claim 4, it is characterised in that：It is described super Acoustic wave transducer (3) is symmetrically disposed in stirring platform (12) both sides.
- 6. the device of ultrasonic combined stirring pretreatment refractory gold ore according to claim 4, it is characterised in that：It is described to stir Mix the periphery at the top of platform (12) and be equably fixed with four link stoppers (5).
- 7. the device of ultrasonic combined stirring pretreatment refractory gold ore according to claim 4, it is characterised in that：Described Handle (8) is provided with the top of case lid (7).
- 8. the device of ultrasonic combined stirring pretreatment refractory gold ore according to claim 4, it is characterised in that：It is described to stir It is aluminium alloy structure to mix platform (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710927876.4A CN107779610A (en) | 2017-10-09 | 2017-10-09 | A kind of method and device of ultrasonic combined stirring pretreatment refractory gold ore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710927876.4A CN107779610A (en) | 2017-10-09 | 2017-10-09 | A kind of method and device of ultrasonic combined stirring pretreatment refractory gold ore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107779610A true CN107779610A (en) | 2018-03-09 |
Family
ID=61434064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710927876.4A Pending CN107779610A (en) | 2017-10-09 | 2017-10-09 | A kind of method and device of ultrasonic combined stirring pretreatment refractory gold ore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107779610A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110358931A (en) * | 2019-05-28 | 2019-10-22 | 贵州大学 | A method of utilizing advanced oxidation processes wet pretreatment pyrite |
| CN112391526A (en) * | 2020-11-11 | 2021-02-23 | 郑州大学 | Mining multifunctional ultrasonic pretreatment device and use method thereof |
| CN113264542A (en) * | 2021-06-15 | 2021-08-17 | 扬州阿鲁达环境科技有限公司 | Ultrasonic ore dissolving device for alkali mine and treatment process thereof |
| CN113308607A (en) * | 2021-04-22 | 2021-08-27 | 昆明理工大学 | Method for enhancing zinc oxide smoke dust leaching by ultrasonic waves and hydrogen peroxide |
| CN113718112A (en) * | 2021-09-13 | 2021-11-30 | 昆明理工大学 | Method for pre-oxidizing refractory high-sulfur gold ore by ultrasonic activation of persulfate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2268392A (en) * | 1992-07-02 | 1994-01-12 | * A G | Producing an infusion beverage |
| RU2061066C1 (en) * | 1993-05-12 | 1996-05-27 | Шестаков Владимир Иванович | Method of leaching of metals from ores and gear for its implementation |
| CN104131160A (en) * | 2014-08-01 | 2014-11-05 | 昆明理工大学 | Ultrasonic intensified leaching method for refractory gold ores and ultrasonic intensified gold leaching stirrer |
| CN104911372A (en) * | 2015-07-05 | 2015-09-16 | 贵州大学 | Pre-treatment method for micro-disseminated type refractory primary gold ore |
| CN205412858U (en) * | 2016-03-11 | 2016-08-03 | 上海源耀生物股份有限公司 | Take hyperacoustic magnetic stirrers |
| CN206139097U (en) * | 2016-10-28 | 2017-05-03 | 河南华禹环保科技有限公司 | Magnetic stirring ultrasonic water bath pot |
-
2017
- 2017-10-09 CN CN201710927876.4A patent/CN107779610A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2268392A (en) * | 1992-07-02 | 1994-01-12 | * A G | Producing an infusion beverage |
| RU2061066C1 (en) * | 1993-05-12 | 1996-05-27 | Шестаков Владимир Иванович | Method of leaching of metals from ores and gear for its implementation |
| CN104131160A (en) * | 2014-08-01 | 2014-11-05 | 昆明理工大学 | Ultrasonic intensified leaching method for refractory gold ores and ultrasonic intensified gold leaching stirrer |
| CN104911372A (en) * | 2015-07-05 | 2015-09-16 | 贵州大学 | Pre-treatment method for micro-disseminated type refractory primary gold ore |
| CN205412858U (en) * | 2016-03-11 | 2016-08-03 | 上海源耀生物股份有限公司 | Take hyperacoustic magnetic stirrers |
| CN206139097U (en) * | 2016-10-28 | 2017-05-03 | 河南华禹环保科技有限公司 | Magnetic stirring ultrasonic water bath pot |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110358931A (en) * | 2019-05-28 | 2019-10-22 | 贵州大学 | A method of utilizing advanced oxidation processes wet pretreatment pyrite |
| CN112391526A (en) * | 2020-11-11 | 2021-02-23 | 郑州大学 | Mining multifunctional ultrasonic pretreatment device and use method thereof |
| CN113308607A (en) * | 2021-04-22 | 2021-08-27 | 昆明理工大学 | Method for enhancing zinc oxide smoke dust leaching by ultrasonic waves and hydrogen peroxide |
| CN113264542A (en) * | 2021-06-15 | 2021-08-17 | 扬州阿鲁达环境科技有限公司 | Ultrasonic ore dissolving device for alkali mine and treatment process thereof |
| CN113718112A (en) * | 2021-09-13 | 2021-11-30 | 昆明理工大学 | Method for pre-oxidizing refractory high-sulfur gold ore by ultrasonic activation of persulfate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107779610A (en) | A kind of method and device of ultrasonic combined stirring pretreatment refractory gold ore | |
| CN104131160B (en) | The method of the ultrasound-enhanced leaching of a kind of Refractory Au-ores and ultrasound-enhancedly soak golden agitator | |
| Behera et al. | Ultrasound and Microwave assisted leaching of neodymium from waste magnet using organic solvent | |
| CN106269133B (en) | Crusher, mineral production line and material breaking method | |
| CN107287430B (en) | A kind of method for extracting manganese in electrolytic manganese residues and the method for handling electrolytic manganese residues | |
| Yu et al. | Ultrasound-assisted cyanide extraction of gold from gold concentrate at low temperature | |
| CN110201591A (en) | A kind of mixing equipment of hard alloy powder raw material | |
| CN106000655A (en) | Method for selecting scheelite at normal temperature | |
| CN113337734A (en) | Method for ultrasonic reinforced extraction of rubidium from rubidium-containing ore | |
| CN103273074B (en) | Process method of continuously producing ultra-fine nickel powder | |
| CN110550611A (en) | Method for efficiently leaching tellurium from copper separating slag of copper anode slime enhanced by external field effect | |
| CN112322899B (en) | Method and device for leaching waste lithium ion battery anode | |
| US11453930B2 (en) | Method for enhancing leaching of metals in zinc hypoxide powder by mechanochemistry coupling with sonochemistry | |
| CN206980737U (en) | A kind of solid-liquid reaction kettle with crushing function | |
| CN104858415A (en) | Superfine silver powder washing method | |
| CN104026206A (en) | Meat stuffing making machine | |
| CN107385208B (en) | A kind of microwave-assisted golden method of reinforcing leaching | |
| CN106435174A (en) | Gas-liquid emulsion process copper leaching method | |
| CN102146574A (en) | Production process for ultrasonic dissolved copper in electrolytic copper foil production | |
| CN114874897A (en) | Selenium-enriched yeast wall breaking control system and method | |
| CN106430281B (en) | Copper dissolving method and device | |
| CN109266860A (en) | A kind of innoxious recovery method of throwaway substrates recycling | |
| CN206688281U (en) | Intensified by ultrasonic wave gold Cyanide Leaching system | |
| CN204443950U (en) | A kind of efficient tumbler | |
| CN109338106A (en) | A kind of waste printed circuit board resource utilization reuse method |
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: 20180309 |
|
| RJ01 | Rejection of invention patent application after publication |