CN106507818B - Portable Uranium extraction liquid extraction equipment - Google Patents
Portable Uranium extraction liquid extraction equipmentInfo
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- CN106507818B CN106507818B CN200610119911.1A CN200610119911A CN106507818B CN 106507818 B CN106507818 B CN 106507818B CN 200610119911 A CN200610119911 A CN 200610119911A CN 106507818 B CN106507818 B CN 106507818B
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- tower
- ion exchange
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- uranium
- adsorption
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Abstract
A kind of portable Uranium extraction liquid extraction equipment, carries all parts by two low platform trailers, and 8 small ion exchange columns, two leacheate make-up tanks and eluent storage tanks are housed on the first low platform trailer., by 8 tower circulate operations and series operation, three tower cascade connected absorption, three tower cascade connected drip washing, a tower are standby for absorption and drip washing, and a tower makes the transition；Ion exchange tower adopts closely knit trundle bed operating technology；The qualified liquid bath of drip washing, precipitant make-up tank, stillpot, filter press and mother liquid tank are housed on the second low platform trailer.Main equipment and solution storage tank all add PO liners using carbon steel.Integral device total height is controlled within 4m.The equipment is readily transported, it is low to invest, can Reusability；Integral device floor space is little, installs and starts fast, and operating cost is relatively low, soaks with can be used for, dump leaching, the uranium of little ore deposit point and residual mineral solution are reclaimed.
Description
Technical field
The present invention relates to Uranium extraction liquid retracting device, more particularly to a kind of portable Uranium extraction liquid
Extraction equipment.
Background technology
The research application of mobile unit is proposed based on actual demand.Returned from small-sized uranium deposit
Receiving uranium needs great amount of investment, and this is the maximum economic obstacle for developing Small Ore Deposits.Therefore, some
Chan You states it is proposed that it is many contemplate reduce investment costs, increase investment returns.Therefore, according to
Automobile plant, unskilled labourer are crossed in actual conditions and market rules, some successive R and D of Chan You states
Factory or half mobile factory.
In order to develop the both simple and economic processing method of suitable small-sized uranium deposit, Spain was once
Research work is carried out.It finally have selected acid heap leaching and solvent extraction.Goal in research is design one
It is individual to prepare the pattern factory that compact, floor space is small, time is short, be easily installed.This factory can
To rent the standard crushing and grinding equipment of small portable, and dig up mine and build that heap is practicable to be contracted.Equipment one
The solvent extraction unit and concentrating and precipitating job shop of (24h/d) can continuously be produced.Complete equipment
It is standard, and it is light.Volumetric standard is made from lightweight material, and conventional material has FR
P (fiberglass reinforced plastics) etc..Rigid conduit is used as the intrinsic component of container and as main
Leach pipeline.Remaining pipeline is the flexible pipe connected with articulation., it is necessary to which ten general during factory's resettlement
Logical truck (16t).Factory's floor space is 0.35 hectare.The gross area will depend on ore body size,
Estimate that solid waste takes up an area 0.23m2/ t, liquid wastes take up an area 0.006m2/t。
In eighties of last century the seventies, Dravo ' the s Denver Operations in the U.S. and
Western Nuclear inc. (a subsidiary of Phelps Dodge) developed cooperatively it is a set of " can
Movable type reclaims uranium equipment factory " [" PURE " (Portable Uranium Recovery
Equipment)uranium mill].Packaged type, which reclaims the requirement of uranium plant design, will not only be easy to move
It is dynamic, and fixed investment is reduced, it is a general processing system, it is important that have a set of
Armamentarium and the technological process based on standard practices.' PURE ' factory has reached design requirement.Place
Unit is managed to be arranged on trailer.Unit design can adjust to handle different ores, time of such as vanadium
Receive.Technological process is stirring acidleach and solvent extraction.Disposal ability is 1200 pounds daily
(0.4536x1200=544.32kg/d；0.54432x300=163.296t/a).Basic is removable
Formula, which reclaims uranium equipment, to be had：One is made the scene that pads, a storehouse, two chemical types with PVC
Toilet, two 3m3Dump truck.One 50 gallons of drinking water plant per minute, a boiler water
Treatment plant, one is used to supply steam and the gas-turbine power plant of compressed air, 480v,
800kw, 11 trailer installation unit equipment, four belt feeding transmission equipments, and two material
Storehouse.The basic equipment quotation that this set movable type reclaimed uranium at that time is 3,500,000 dollars.
From the point of view of data introduction more than, all portable uranium reclaimers are all based on routine
Uranium extraction recovery technology design and processing.It is primarily present its own shortcomings：
(1) overall device is large and complete, suitable one fixed small-sized Mill；
(2) invest big, the last century late nineteen seventies complete equipment is offered 3,500,000 dollars, by mesh
Preceding estimation is more than ten million dollar；
(3) it is only applicable to traditional broken mill, leaching and extraction process；
(4) amount of movement is big, difficulty etc...
The content of the invention
The technical problems to be solved by the invention are：Realize that the miniaturization and reduction of uranium mill are made
Valency, makes whole Mill to move at a distance, to make the miniaturization Mill to arrive multiple ore deposits
Point carries out uranium and extracts operation, improves the utilization rate of equipment, reduces the production cost of uranium, improves warp
Ji benefit.
A kind of portable Uranium extraction liquid extraction equipment, including low platform trailer, ion exchange tower,
Eluent make-up tank, eluent storage tank, elute qualified liquid bath, precipitating reagent make-up tank, stillpot,
Filter press；Ion exchange tower is both to switch to elution after adsorption tower and eluting column, adsorption tower saturation
Tower；Eluting column switchs to adsorption tower, iterative cycles operation after being handled through transition；It is characterized in all
Device and part are on low platform trailer, and ion exchange tower is the close of achievable big flow operation
Real fixed trundle bed, resin is narrow ditribution little particle resin；Provided with circulate operation and series operation
Eight ion exchange towers, three ion exchange tower series connection absorption, three ion exchange tower series connection are drenched
Wash, an ion exchange tower transition a, ion exchange tower is standby；Eight ion exchange towers by
Absorption pipeline and elution pipeline connect together, and the pipeline group with multiple two-way valves is connected in adsorption tube
Between line and elution pipeline, so that each tower can smoothly complete the conversion between absorption and elution；
Ion exchange tower and solution storage tank all add PO liners using carbon steel, rotational moulding PO raw materials be ethene,
Propylene and butene alkene；Integral device total height is controlled within 4m.
The equipment is compared with traditional closely knit fixed bed, with following advantages：
(1) equipment size reduces and corresponding auxiliary equipment size reduces；
(2) treating capacity is big, and linear velocity is in 25~45m/h, conventional densification fixed-bed operation, linear speed
Degree is general in below 25m/h, in packed moving bed operating system, general operation linear velocity control
System is between 35~45m/h.
(3) operating cost is relatively low, installs and starts fast；
(4) resin life extends.In general, there are three factors influence resin life：Physical abrasion,
Organic matter is poisoned and chemical oxidation.Using closely knit particulate fixed bed, the transfer operation of resin is reduced,
Reduce abrasion, further, since using fine-grained resin, resin in conversion ion species and
Produced contraction and expansion during infiltration concussion and cause resin rupture reduction.Organic matter is poisoned,
It is largely relevant with phoronomics characteristic.The sorption cycle cycle is short, reduces resin adsorption organic phase,
And finely divided resin easily desorption again.This is even more important in alkaline system resin operation.Resin
Oxidation is the function of time of contact and handled SOLUTION PROPERTIES, in the closely knit trundle bed operation of fine grained
This short characteristic of time of contact, makes resin to extend the life-span in an oxidizing environment.
(5) processing solution change in concentration scope is big, from tens mg/litres to hundreds of mg/litres.
(6) absorption and elution efficiency are improved.
Whole equipment is made up of carbon steel, has done PO Lining treatments.Pipeline employs PVC-U
Plastic tube.The equipment year disposal ability up to 5-10 tons of uranium.
Brief description of the drawings
8 ion exchange tower system structure diagrams of Fig. 1
The front view of Fig. 2 ion exchange towers, A direction views and B-B views
The front view of Fig. 3 ion exchange tower supports, top view and left view
The front view and A direction views of Fig. 4 leacheate make-up tanks
The front view A direction views and B-B views of Fig. 5 stillpots
Front view, top view and the left view of the low platform trailer upper brackets of Fig. 6 second
Installed equipment photo on the low platform trailers of Fig. 7 first
The portable Uranium extraction liquid extraction equipment photo of Fig. 8 present invention
Fig. 9 movable type Uranium extraction liquid extracts standby pipeline schematic diagram
Embodiment
Fig. 1 is 8 ion exchange tower system structure diagrams.In figure, 1 pump, 2 flowmeters, 3
Filter, 4 adsorption towers, 5 leacheate make-up tanks, 6 eluent storage tanks, 7 pumps, 8 flowmeters,
9 eluting columns, 10 qualifying liquid storage tanks, 11 pumps, 12 filter presses, 13 mother liquor tanks, 14 pumps, 15
Make the transition liquid storage tank, 16 pumps, 17 flowmeters, 18 transition towers, 19 stand-by stills.
Front view, A direction views and the B-B views of ion exchange tower, are shown in Fig. 2.In figure, 21 bearings,
22 flanges, 23 adapters, 24 water distributing plates, 25 end sockets, 26 pipe closes, 27 flanges, 28 cylinders,
29 linings, 30 adapters, 31 flanges, 32 flanges, 33 cards, 34 pads, 35 studs,
36 nuts, 37 packing rings, 38 adapters, 39 flanges.
Front view, top view and the left view of ion exchange tower support, are shown in Fig. 3.
The front view and A direction views of leacheate make-up tank, are shown in Fig. 4.In figure, 41 slag-drip openings, 42
Stirring slurry, 43 discharging openings, 44 mixing drums, 45 brace type bearings, 46 groove lids, 47 motors,
48 reduction boxes, 49 agitating shafts.
Front view, A direction views and the B-B views of stillpot, are shown in Fig. 5.In figure, 51 discharging openings,
52 stirring slurries, 53 center loops cylinder, 54 stillpot cylinders, 55pH meters, 56 feed pipes, 57
Brace type bearing, 58 stirring groove lids, 59 motors, 60 reduction boxes, 61 agitating shafts, 62 temperature
Meter, 63 dividing plates.
Ion exchange tower uses closely knit trundle bed operating system, and absorption and elution are carried out in same tower,
The ion exchange tower of designed manufacture is both adsorption tower, is also eluting column, and adsorption liquid enters from bottom of towe
Enter, leacheate enters from tower top, absorption and elution form counter-current operation.Monolithic design has up and down
Liquid distributor.The above is elution liquid distributor, and here is feed liquor liquid distributor.Ion exchange tower monomer
Tower monolithic design basic parameter is listed in Table 1.
The ion exchange tower monolithic design basic parameter of table 1
Stillpot is returned using directly alkalization stirring precipitation, intermittent operation, partly precipitated oar body.
Batch processing amount 3.01m3.Stillpot design parameter is shown in Table 2.
Table 2
Design requirement
(1) composition of tower shell material is corrosion-resistant, acid and alkali-resistance, intensity height etc. (selection carbon steel adds PO liners)；
(2) resin bed effective depth 1.5m is filled, a sample tap is opened every 50cm from top to bottom；
Totally 3 sample taps (sample tap is opened in design in a tower, and other two towers are without opening sample tap)；
(3) tower total height 2.7m, fills resin height 1.5m, up and down each 0.35m of liquid distributor；
(4) about one meter of trailer height, tower height and the total high about 4m of vehicle equipment are taken up；
(5) adsorption liquid enters below tower, and adsorption tail liquid is discharged from above, and charging aperture is enough big,
To ensure the requirement for the treatment of capacity；Tail washings outlet is provided with screen cloth, to prevent that resin from losing；
(6) liquid distributor is had in resin bed, makes adsorption liquid and elution liquid energy even into suction
In attached tower, liquid distributor wants uniform cloth liquid, acid and alkali-resistance, easily repairs, easily changes etc.；
(7) there is resin loading hatch above and below resin tower, make resin handling easy, but to consider tree
The race of fat and solution emits droplet dew etc.；
(8) adsorption tower two ends feed liquor replaces screen cloth using water cap device；
(9) liquid distributor crosses the tower section of liquid level product >=50%, to ensure treating capacity requirement；
(10) adsorption tower opening
Bottom：(1) stoste outflow is adsorbed；Top：(1) resin inlet；
(2) recoil water out；(2) leacheate import；
(3) regenerated liquid import；(3) top vent；
(4) resin exhaust outlet；(4) adsorption tail liquid is exported；
(5) leacheate is exported.(5) recoil water inlet；
(6) regenerated liquid is exported.
(11) pipeline
Adsorption tower and the connection of eluting column monomer are from stainless steel pipe connection.Other connections can be with soft
Plastic tube.
(12) gross weight of tower body is considered；
(13) design of tower bottom will consider installation question of the whole tower body on trailer；
(14) under conditions of the design of whole tower will consider assurance function, opening pipeline is reasonable,
It is easy to connect, operation is easy etc..
The present invention selects low platform trailer BWG 9271, effective working face
(7500X3000mm)22.5m2, working face apart from ground 1100mm, realize it is mobile with most
The combination of large working area.From BLT-24 type micro-filtration hydrotreaters, make the uranium-bearing into absorption
Solution has obtained effective filtering, it is therefore prevented that adverse effect of the solid matter such as silt to absorption；It is main
Body equipment and solution storage trough all add PO liners using carbon steel.Rotational molding grade PO be highly suitable for rotational moulding into
Type, heat resistance, resistance to chemical corrosion and anti-permeability etc. are good, reduce overall set
Standby investment cost；Integral device (including low platform trailer) total height is controlled within 4m,
Realize cross-region long distance transportation；Integral device floor space is small, installs and starts fast, operation
Expense is relatively low；It is practical, available for reclaiming uranium in ground, dump leaching, small ore deposit point and residual mineral solution；Tree
Fat adsorption capacity is high, field experiment processing uranium concentration 30-50mg/L, and adsorption liquid is entered per hour
3.6-5.0m3/ h, every liter of resin-carried uranium capacity has reached 116.01gU.L-1R。
Front view, top view and the left view of second low platform trailer upper bracket, are shown in Fig. 6.First is low
Installed equipment photo is shown in Fig. 7 on platform trailer.The portable Uranium extraction liquid extraction equipment of the present invention shines
Piece is shown in Fig. 8.
The equipment of the present invention is by two low platform trailers, eight ion exchange towers, a stillpot,
One plate and frame filter press and auxiliary equipment pump, solvent preparation vessel, solution storage trough, mother liquor storage tank, flowmeter,
Industrial acidity meter, industrial temperature meter and connecting pipeline etc. are constituted.To low platform trailer mounting platform and behaviour
Make platform and carry out preservative treatment with epoxy resin.Operating platform by angle steel (70 × 70,50 × 50,
25 × 25), channel-section steel (8#, 10#), checkered steel plate (3mm), welded pipe (4#) etc. complete.Pipe
Road employs RPVC (UPVC) pipeline.UPVC pipelines have each of polyvinyl chloride pipeline
Item decay resistance, leakage performance and anti ageing property.The product strength is higher, field fabrication side
Just, it is moderate.10-65 DEG C of temperature in use scope.Ion exchange tower, stillpot, solution make-up tank and
Solution storage trough etc. has all done rotational moulding PO processing.
The equipment of the present invention employs D231 macroporous strong basic anion exchange resin.From resin
Grain is in 0.3-0.9mm, residence time 3.0min, it is ensured that adsorption tail liquid uranium concentration ＜ 5mg/L,
Average tail abandons uranium concentration in 2mg/L or so.Resin 575Kg is filled per tower, volume is 750L.Resin
Absorption property is fine.Sodium bicarbonate+sodium carbonate strippant is employed, consisting of：
NaHCO380g/L+Na2CO320g/L.Strippant superficial linear velocity is 0.5-1.5m3/ h, desorption stops
Stay time 30min.Employ 15-20%NaOH solution and do precipitating reagent, precipitate endpoint pH
13.5 or so, ageing time 2h.
The pipeline schematic diagram of portable Uranium extraction liquid extraction equipment is shown in Fig. 9.In figure, 64 be adsorption tube
Line, 65 be elution pipeline.
Portable Uranium extraction liquid extraction equipment operating method is introduced：
First, adsorb
1. the method for operation
Lower charging, upper discharge, three tower cascade connected absorption.
2. three tower cascade connected adsorption operations
1) first tower operation：Bottom of towe main valve, tower top air bleeding valve are first opened, then starts pump, opening is pumped out
Mouthful valve, then open two forward and backward valves of absorption stoste main pipe line flow meter, adjust into
Tower flow.After air bleeding valve goes out liquid, air bleeding valve is closed rapidly, tower is then promptly opened successively
The series valve on outlet valve and pipeline is pushed up, feed liquid is concatenated pipe and is sent to two sections of adsorption towers.
2) two sections of tower operations：Tower top air bleeding valve, bottom of towe main valve are opened successively, and feed liquid is sent into tower.
After air bleeding valve goes out liquid, air bleeding valve is closed rapidly, then promptly opens tower top outlet valve successively
With the series valve on pipeline, feed liquid is concatenated pipe and is sent to latter end adsorption tower.
3) latter end tower is operated：Tower top air bleeding valve, bottom of towe main valve are opened successively, and feed liquid is sent into tower.
After air bleeding valve goes out liquid, air bleeding valve is closed rapidly, then promptly open tower top outlet valve successively,
Feed liquid is discharged through adsorption tail liquid house steward.
4) tower operation is cut：When uranium concentration is roughly equal in first tower turnover feed liquid or last tower discharging uranium concentration
When penetrating, stop absorption raw liquor pump, it is then rapid to close all unlatchings before ion exchange tower
Valve.First tower is transferred to flushing, and two sections of towers transform first tower into, and latter end tower transforms two sections of towers into and sealed in
One new tower is used as latter end tower.The three tower cascade connected absorption of next round is carried out, operating method is the same.
3. new tower trial operation operating provision
The absorption of first single column, when single column adsorption tail liquid uranium concentration is penetrated, then seals in two sections of towers absorption,
Seal in last tower absorption again after two sections of towers are penetrated.
2nd, the flushing of saturated resin
1. the emptying of solution in saturator
Tower top air bleeding valve and bottom of towe main valve are opened, solution in saturator is flowed into stoste naturally through lower comb
Groove.The flow velocity of pipeline to be flowed through substantially becomes hour, closes air bleeding valve, is suitably subject to compressed air,
Treat that residual solution is drained in tower, close compressed air valve.
2. water is rinsed
Draining in saturator after residual solution, closing air bleeding valve, water is sent into tower from tower top and rushed
Opening tower top air bleeding valve after saturated resin is washed, flushing water in saturator is flowed into stoste groove naturally,
The flow velocity of pipeline to be flowed through substantially becomes hour, closes air bleeding valve, is suitably subject to compressed air, treats
Residual solution is drained in tower, closes resin in compressed air valve, tower in case elution is used.
3rd, elute
Elute operating method roughly the same with " three tower cascade connected adsorption operations ".
Per tower after the completion of elution, fed under the sulfuric acid for being 50-60g/l with concentration and resin made the transition,
When the pH≤6 of discharging opening solution, as transition is completed.
Claims (8)
1. a kind of portable Uranium extraction liquid extraction equipment, including low platform trailer, ion are handed over
Change tower, eluent make-up tank, eluent storage tank, elute qualified liquid bath, precipitating reagent make-up tank,
Stillpot, filter press；After ion exchange tower is both adsorption tower and eluting column, adsorption tower saturation
Switch to eluting column；Eluting column switchs to adsorption tower, iterative cycles operation after transition；Its feature exists
In all：Device and part are on low platform trailer, and ion exchange tower is that big flow can be achieved
The closely knit fixed trundle bed of operation, resin is narrow ditribution little particle resin；Provided with circulate operation and string
Eight ion exchange towers of through transport row, three ion exchange tower series connection absorption, three ion exchanges
Tower series connection elution, an ion exchange tower transition a, ion exchange tower is standby；Eight ions
Exchange column is connected together by absorption pipeline and elution pipeline, and the pipeline group with multiple two-way valves connects
Between absorption pipeline and elution pipeline, so that each tower can be smoothly completed between absorption and elution
Conversion；Ion exchange tower and solution storage tank all add PO liners, rotational moulding PO raw materials using carbon steel
For ethene, propylene and butene alkene.
2. Uranium extraction liquid extraction equipment as claimed in claim 1, it is characterised in that：Ion is handed over
The appearance and size for changing tower is 830 × 2200mm of φ, tower internal diameter φ 800mm；The suction of ion exchange tower
Attached parameter：Superficial linear velocity 25-45m/h, height of mass transfer 1500mm, mass transfer volume 0.7536m3；
The elution parameter of tower：Superficial linear velocity 0.5-1.5m/h, height of mass transfer 1500mm, mass transfer body
Product 0.7536m3, qualifying liquid volume 4, qualifying liquid concentration ＞ 10gL-1。
3. Uranium extraction liquid extraction equipment as claimed in claim 2, it is characterised in that：Using close
Real trundle bed operating technology, adds absorption mass transfer area, improves adsorption dynamics adsorption kinetics performance；Choosing
With resin particle in 0.3-0.9mm, it is ensured that adsorption tail liquid uranium concentration ＜ 5mg/L, average tail is abandoned
Uranium concentration is in 2mg/L or so.
4. Uranium extraction liquid extraction equipment as claimed in claim 3, it is characterised in that：Ion is handed over
The dress resin bed effective depth for changing tower is 1.5m, opens a sampling every 50cm from top to bottom
Mouthful, totally 3 sample taps, open sample tap in an ion exchange tower, and other two ions are handed over
Change tower and do not open sample tap；Resin height 1.5m is filled, up and down each 0.35m of liquid distributor.
5. Uranium extraction liquid extraction equipment as claimed in claim 4, it is characterised in that：Stillpot
Design parameter be：Appearance and size 2680 × 1420mm of φ, groove internal diameter 2600mm, sump volume
7.53m3, mixing speed 0-2000rpm.
6. Uranium extraction liquid extraction equipment as claimed in claim 5, it is characterised in that：Low flat board
Trailer is BWG9271, effective working face 22.5m2, i.e. 7500 × 3000mm, working face away from
Ground 1100mm.
7. Uranium extraction liquid extraction equipment as claimed in claim 6, it is characterised in that：Adsorption liquid
Enter below tower, adsorption tail liquid is discharged from above, charging aperture is enough big, to ensure treating capacity
Requirement；Tail washings outlet is provided with screen cloth, to prevent that resin stream from losing.
8. Uranium extraction liquid extraction equipment as claimed in claim 7, it is characterised in that all devices and
Part on two low platform trailers, on the first low platform trailer equipped with eight ion exchange towers,
Two leacheate make-up tanks and an eluent storage tank, eluent storage tank are arranged on trailer sweep afterbody,
Eluent make-up tank is arranged on absolute altitude 2.9m platform；Equipped with elution on second low platform trailer
Qualified liquid bath, precipitating reagent make-up tank, stillpot, plate and frame filter press and mother liquid tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610119911.1A CN106507818B (en) | 2006-09-28 | 2006-09-28 | Portable Uranium extraction liquid extraction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610119911.1A CN106507818B (en) | 2006-09-28 | 2006-09-28 | Portable Uranium extraction liquid extraction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106507818B true CN106507818B (en) | 2012-10-17 |
Family
ID=58359044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610119911.1A Active CN106507818B (en) | 2006-09-28 | 2006-09-28 | Portable Uranium extraction liquid extraction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106507818B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108531726A (en) * | 2017-05-19 | 2018-09-14 | 东华理工大学 | A kind of Tailings Dam Situ Leaching liquid collecting tunnel mining technique and reaction unit |
| CN112960806A (en) * | 2021-02-24 | 2021-06-15 | 南华大学 | Process and equipment for full-slurry circulation grain-adding precipitation of uranium products |
| CN114192195A (en) * | 2021-12-09 | 2022-03-18 | 中核内蒙古矿业有限公司 | Elution device for uranium extraction by ion exchange method and elution method of ion exchange resin |
| CN116351480A (en) * | 2021-12-27 | 2023-06-30 | 新疆中核天山铀业有限公司 | D231-YT anion exchange resin detoxification process |
-
2006
- 2006-09-28 CN CN200610119911.1A patent/CN106507818B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108531726A (en) * | 2017-05-19 | 2018-09-14 | 东华理工大学 | A kind of Tailings Dam Situ Leaching liquid collecting tunnel mining technique and reaction unit |
| CN112960806A (en) * | 2021-02-24 | 2021-06-15 | 南华大学 | Process and equipment for full-slurry circulation grain-adding precipitation of uranium products |
| CN114192195A (en) * | 2021-12-09 | 2022-03-18 | 中核内蒙古矿业有限公司 | Elution device for uranium extraction by ion exchange method and elution method of ion exchange resin |
| CN116351480A (en) * | 2021-12-27 | 2023-06-30 | 新疆中核天山铀业有限公司 | D231-YT anion exchange resin detoxification process |
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