CN107488789A - A kind of method of the co-desorption gold thiosulfate anion complex ion from strong-base anion-exchange resin - Google Patents
A kind of method of the co-desorption gold thiosulfate anion complex ion from strong-base anion-exchange resin Download PDFInfo
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- CN107488789A CN107488789A CN201710686637.4A CN201710686637A CN107488789A CN 107488789 A CN107488789 A CN 107488789A CN 201710686637 A CN201710686637 A CN 201710686637A CN 107488789 A CN107488789 A CN 107488789A
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- 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
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- 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
- C22B3/24—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition by adsorption on solid substances, e.g. by extraction with solid resins
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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
Abstract
The invention discloses a kind of method of the co-desorption gold thiosulfate anion complex ion from strong-base anion-exchange resin, with Na2SO3Dynamic desorption is carried out to the strong-base anion-exchange resin for being loaded with golden thiosulfate anion complex ion as strippant with NaOH mixed solution.This process employs SO3 2‑And OH‑The synergy of two components is to adsorbing [Au (the S on strong-base anion-exchange resin2O3)2]3‑Complex ion is desorbed, and golden desorption efficiency is up to more than 97%.The desorption method of the present invention is compared with traditional method desorbed using rhodanate, polythionate or nitrate solution of one-component etc., with reagent nontoxic and stable performance, cost is low for desorption, resin desorption and regeneration synchronously complete and be advantageous to the significant advantages such as further recovery golden in stripping liquid, there is good prospects for commercial application.
Description
Technical field
The present invention relates to technical field of wet metallurgy, and in particular to one kind cooperates with solution from strong-base anion-exchange resin
Inhale the method for golden thiosulfate anion complex ion.
Background technology
As a kind of important non-cyanogen gold extracting method, thiosulfate technique has nontoxic, the golden speed of leaching soon, to equipment without corruption
Erosion and the advantages that to the Refractory Au-ores high treating effect such as carbon containing, copper, thus it is increasingly subject to the concern of researcher.However, should
Method also has several big problems demands to solve before wide range of industrial applications is realized, one of them is exactly to reclaim gold from its gold leachate to be stranded
It is difficult.
Leaching of Gold Using Thiosulfate liquid complicated component, except [Au (S2O3)2]3-Outside complex ion also containing it is substantial amounts of unavoidably from
Son, including copper ion, thiosulfate ion, polythionate and other metal ions etc..Therefore, sunk using the displacement of routine
Shallow lake method or electrodeposition method hardly result in the golden product of high-purity, and the recycling of gold leachate is difficult.Due to the hair of carbon-in-pulp process
Exhibition, activated carbon have been widely used in recovery golden in cyanide-leached solution.However, when activated carbon is used for Leaching of Gold Using Thiosulfate liquid
Effect is poor during middle golden recovery, and this is probably because [Au (S2O3)2]3-The negative electrical charge of complex ion is high and space steric effect is led greatly
Cause activated carbon not strong to its affinity.Solvent extraction requires high to aqueous phase clarity, therefore ore pulp is needed by secondary filter,
Cause complex process.In addition, extractant can be partially soluble in aqueous phase and accumulate, this is by the loss for causing extractant and is unfavorable for leaching gold
The recycling of liquid.In comparison, resin adsorption method has that adsorption capacity is big, adsorption rate is fast, resin solution low to water quality requirement
The advantages that suction and regeneration can synchronously complete, thus be considered as that the most promising side of gold is reclaimed from Leaching of Gold Using Thiosulfate liquid
Method.
Due to weakly base resin, adsorption capacity is low under strongly alkaline conditions, therefore Leaching of Gold Using Thiosulfate liquid (pH 9~11)
Middle golden recovery typically uses basic resin, and because the gold in gold leachate is mainly with [Au (S2O3)2]3-Complex ion form is deposited
, therefore resin used is anion exchange resin.However, because strong-base anion-exchange resin is to [Au (S2O3)2]3-Match somebody with somebody
Ion has strong affinity, therefore the desorption of follow-up gold is difficult, it usually needs the desorption agent solution of high concentration.It is traditionally used for strong
The reagent of golden thiosulfate anion complex ion desorption mainly has rhodanate, polythionate and nitre on alkalescence anion-exchange resin
Hydrochlorate.However, the economy and the feature of environmental protection of rhodanate are poor, and when reclaiming golden from stripping liquid using electrodeposition method, electrode
It can be corroded.In addition, difficult with traditional hydrochloric acid or regeneration of sulfuric acid resin, reason is that rhodanate holds under strongly acidic conditions
Easily decompose and produce elemental sulfur, sulphur precipitation blocks resin duct and then makes resin poison.Polythionate (predominantly S3O6 2-With
S4O6 2-) itself is easily decomposed, thus reagent dosage is big, desorption cost is high.Similarly, resin is carried out again using hydrochloric acid or sulfuric acid
The raw sulphur precipitation that can also produce makes resin poison.Desorbed using nitrate, it usually needs the more strippants of the higher volume of concentration are molten
Liquid can reach identical desorption effect, and reason is probably that resin is better than nitric acid to the affinity of thiocyanate radical and polythionate
Root.In addition, stripping liquid obtained by the method is unstable, the black precipitate that gold is had when therefrom reclaiming gold using electrodeposition method produces, because
This is unfavorable to golden recovery.
In summary, traditional method that golden thiosulfate anion complex ion is desorbed from strong-base anion-exchange resin exists
Larger problem be present in terms of reagent stability, economy or the feature of environmental protection.Moreover, the desorption of gold and the regeneration of resin need to enter step by step
OK, desorption technique long flow path is caused, resin is easily poisoned in the process in addition, is allowed to recycle difficulty, is caused golden recovery
Cost increase.In addition, the strippant of high concentration may produce to further recovery (typically using electrodeposition method) golden in stripping liquid
Raw adverse effect.
The content of the invention
It is an object of the present invention to overcome the shortcomings of to mention in background above technology and defect, there is provided it is a kind of efficiently, warp
Ji, environmental protection, technique is simple and does not influence the co-desorption from strong-base anion-exchange resin of recovery golden in stripping liquid gold
The method of thiosulfate anion complex ion.
In order to solve the above technical problems, technical scheme proposed by the present invention is：
A kind of method of the co-desorption gold thiosulfate anion complex ion from strong-base anion-exchange resin, with Na2SO3
The strong-base anion-exchange resin for being loaded with golden thiosulfate anion complex ion is entered as strippant with NaOH mixed solution
Mobile state desorbs.
During strippant contacts with resin, mainly pass through SO3 2-Ion, OH-Ion and [Au (S2O3)2]3-With from
Son interaction and realize gold desorption, its desorb mechanism it is as follows：When containing Na2SO3Tree is flowed through with NaOH mixed solution
Fat and with [Au (S thereon2O3)2]3-After complex ion contact, SO3 2-Ion can substitute [Au (S2O3)2]3-One in complex ion
S2O3 2-Part, and then form new mixed ligand [Au (S2O3)(SO3)]3-Complex ion；Resin is to [Au (S2O3)(SO3)]3-With from
The affinity of son is well below to [Au (S2O3)2]3-The affinity of complex ion, the OH in strippant-Ion so with [Au (S2O3)
(SO3)]3-Ion-exchange reactions occurs for complex ion, and it is desorbed from resin.Therefore, the Na of low concentration2SO3And NaOH
Mixed solution be can be achieved gold desorption.In the desorption process, golden desorption is SO3 2-Ion and OH-Two component associations of ion
The result of same-action, the reaction square formula (1) of its co-desorption.
Above-mentioned method, it is preferred that the Na2SO3In NaOH mixed solution, Na2SO3Concentration be 0.3mol/L
~0.6mol/L, NaOH concentration are 0.2mol/L~0.6mol/L.Because the desorption of gold is in SO3 2-Ion and OH-Ion
The lower progress of synergy, therefore need to only use the Na of low concentration2SO3And NaOH, and it is preferred that using the Na of above-mentioned concentration2SO3
The efficient desorption of gold can have both been realized with NaOH mixed solution, reagent can be saved again, has reduced production cost.
Above-mentioned method, it is preferred that during the dynamic desorption, the flow velocity of strippant for 2~4 resin bed volumes/
Hour.The size of strippant flow velocity determines its residence time in resin bed, namely determines that it is solved with being waited on resin
The time of the golden thiosulfate anion complex ion interaction of suction.Interaction between strippant and golden thiosulfate anion complex ion
The regular hour is needed, if strippant flow velocity is too high, time of contact is short, and interaction is incomplete, and golden desorption effect is undesirable.
Conversely, if strippant flow velocity is too low, although both interactions are complete, golden desorption effect is good, and flow velocity is too low to make desorption
Overlong time, cause to desorb economy decline.The present invention considers the desorption effect and desorption economy of gold, preferably will desorption
The flow control of agent is in 2~4 resin bed volume/hours.
Above-mentioned method, it is preferred that during the dynamic desorption, the dosage of strippant is 15~35 resin bed bodies
Product.Strippant dosage is determined by concentration golden in strippant flow velocity and resin bed bottom efflux, is specifically used with lower section
Method determines：Allow strippant to pass through resin bed with certain flow rate, take a certain amount of stripping liquid from exchange column bottom at regular intervals
The concentration of gold is detected, when being nearly no detectable the presence of gold, it is believed that desorption is complete, thereby determines that required strippant is used
Amount.When strippant flow velocity and strippant dosage determine, corresponding desorption time also determines that.If strippant dosage is very few,
The desorption effect of gold is bad；If strippant dosage is excessive, the waste of reagent can be caused, increases production cost.Therefore, it is of the invention
Consider desorption effect and cost factor to control strippant dosage in 15~35 resin bed volumes.
Above-mentioned method, it is preferred that the load gold amount of the strong-base anion-exchange resin is 5kg/t~20k g/t.This
The desorption method of invention is applied to the wider gold loaded resin for carrying gold amount scope, it is only necessary to according to the load of gold loaded resin gold amount to desorption
Technological parameter, which is made, correspondingly to be adjusted.The load gold amount of gold loaded resin obtained by conventional RIP methods (resin in pulp process) typically exists
5kg/t~20kg/t, Na is suitably adjusted within the scope of the invention2SO3With NaOH concentration, strippant flow velocity and strippant dosage,
It can be applied to the desorption of the gold loaded resin of above-mentioned load gold amount scope.
Compared with prior art, the advantage of the invention is that：
(1) strippant economy, environmental protection and property are stable.Sodium sulfite used in the present invention and sodium hydroxide are conventional nothing
The stable reagent of malicious, inexpensive and property.
(2) desorption cost is low, and golden desorption efficiency is high.Traditional desorption method (using single component desorption agent solution) desorption
Gold usually requires higher concentration and large volume of desorption agent solution, and the present invention is due to make use of sodium sulfite and sodium hydroxide
The synergy of two components make it that desorbing agent concentration and dosage significantly reduces, and the desorption of gold is more thorough, and golden desorption efficiency reaches
More than 97%.
(3) further recovery golden in stripping liquid is advantageous to.Using obtained by co-desorption method of the electrodeposition method from the present invention
Desorbing when reclaiming golden in your liquid, electrode will not be desorbed corrosion, and the golden mixed ligand complex ion of generation will not be also oxidized, from
Without influenceing further recovery golden in stripping liquid.
(4) golden desorption and resin regeneration synchronously complete, and technique is simple.While gold desorbs from resin, on resin
Counter ion be converted into hydroxide ion, resin is weak to its affinity, thus resin can be returned directly to thiosulfate leaching
The recovery of gold is carried out in liquid, and a small amount of accumulation of the hydroxide ion in leachate will not have a negative impact to leaching process.
Embodiment
For the ease of understanding the present invention, present invention work more comprehensively, is meticulously described below in conjunction with preferred embodiment,
But protection scope of the present invention is not limited to embodiment in detail below.
Unless otherwise defined, the implication that all technical terms used hereinafter are generally understood that with those skilled in the art
It is identical.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to the limitation present invention
Protection domain.
Unless otherwise specified, various raw material, reagent, the instrument and equipment etc. used in the present invention can pass through city
Field is commercially available or can be prepared by existing method.
Embodiment 1：
First using simulation thiosulfate leaching liquid, gold loaded resin is prepared in the method for stirring and adsorbing.Wherein, sulphur is simulated
Gold concentration is 20mg/L, concentration of sodium thiosulfate 0.3mol/L, copper concentration 0.03mol/L in thiosulfate leachate, ammonia
Water concentration is 1mol/L, and simulation leachate volume is 2L, and polymeric adsorbent uses Tulsion A-21S basic resins, and resin is used
Measure as 10mL, mixing speed 150r/min, adsorption time 1h.After absorption terminates, obtain carrying resin of the gold amount for 5kg/t.
Then, obtained gold loaded resin is entered into luggage post.Wherein, it is 4mm to exchange column internal diameter, and resin bed height is 80cm, resin bed body
Product is 10mL.
Using Na2SO3Dynamic desorption is carried out to above-mentioned gold loaded resin as strippant with NaOH mixed solution.Strippant
In：Na2SO3Concentration is 0.3mol/L, NaOH concentration 0.2mol/L.Strippant flow velocity is 4 resin bed volume/hours, dosage
For 20 resin bed volumes.On this condition, concentration golden in gained stripping liquid is 170.1mg/L, and golden desorption efficiency is
97.2%.
Embodiment 2：
Gold loaded resin used is in the same manner as in Example 1, using Na2SO3With NaOH mixed solution as strippant to above-mentioned
Gold loaded resin carries out dynamic desorption.In strippant：Na2SO3Concentration is 0.4mol/L, NaOH concentration 0.3mol/L.Desorbent stream
Speed is 3 resin bed volume/hours, and dosage is 18 resin bed volumes.On this condition, concentration golden in gained stripping liquid is
190.2mg/L, golden desorption efficiency are 97.8%.
Embodiment 3：
Gold loaded resin used is in the same manner as in Example 1, using Na2SO3With NaOH mixed solution as strippant to above-mentioned
Gold loaded resin carries out dynamic desorption.In strippant：Na2SO3Concentration is 0.5mol/L, NaOH concentration 0.4mol/L.Desorbent stream
Speed is 3 resin bed volume/hours, and dosage is 16 resin bed volumes.On this condition, concentration golden in gained stripping liquid is
214.8mg/L, golden desorption efficiency are 98.2%.
Embodiment 4：
Gold loaded resin used is in the same manner as in Example 1, using Na2SO3With NaOH mixed solution as strippant to above-mentioned
Gold loaded resin carries out dynamic desorption.In strippant：Na2SO3Concentration is 0.6mol/L, NaOH concentration 0.6mol/L.Desorbent stream
Speed is 2 resin bed volume/hours, and dosage is 15 resin bed volumes.On this condition, concentration golden in gained stripping liquid is
229.8mg/L, golden desorption efficiency are 98.5%.
Comparative example 1：
Gold loaded resin used is in the same manner as in Example 1, using NH4SCN solution enters as strippant to above-mentioned gold loaded resin
Mobile state desorbs.NH in strippant4SCN concentration is 2.5mol/L, and strippant flow velocity is 3 resin bed volume/hours, and dosage is
17 resin bed volumes.On this condition, concentration golden in gained stripping liquid is 192.7mg/L, and golden desorption efficiency is 93.6%.
Comparative example 2：
Gold loaded resin used is in the same manner as in Example 1, using Na2S4O6Solution enters as strippant to above-mentioned gold loaded resin
Mobile state desorbs.Na in strippant2S4O6Concentration is 2.5mol/L, and strippant flow velocity is 3 resin bed volume/hours, and dosage is
16 resin bed volumes.On this condition, concentration golden in gained stripping liquid is 206.1mg/L, and golden desorption efficiency is 94.2%.
Comparative example 3：
Gold loaded resin used is in the same manner as in Example 1, using NH4NO3Solution is carried out as strippant to above-mentioned gold loaded resin
Dynamic desorption.NH in strippant4NO3Concentration is 2.5mol/L, and strippant flow velocity is 3 resin bed volume/hours, dosage 18
Individual resin bed volume.On this condition, concentration golden in gained stripping liquid is 176.0mg/L, and golden desorption efficiency is 90.5%.
Embodiment 5：
First using simulation thiosulfate leaching liquid, gold loaded resin is prepared in the method for stirring and adsorbing.Wherein, sulphur is simulated
Gold concentration is 20mg/L, concentration of sodium thiosulfate 0.3mol/L, copper concentration 0.03mol/L in thiosulfate leachate, ammonia
Water concentration is 1mol/L, and simulation leachate volume is 4L, and polymeric adsorbent uses DEX-Au basic resins, and resin demand is
10mL, mixing speed 200r/min, adsorption time 2h.After absorption terminates, obtain carrying resin of the gold amount for 10kg/t.So
Afterwards, obtained gold loaded resin is entered into luggage post.Wherein, it is 4mm to exchange column internal diameter, and resin bed height is 80cm, resin bed volume
For 10mL.
Using Na2SO3Dynamic desorption is carried out to above-mentioned gold loaded resin as strippant with NaOH mixed solution.Strippant
In：Na2SO3Concentration is 0.3mol/L, NaOH concentration 0.2mol/L.Strippant flow velocity is 4 resin bed volume/hours, dosage
For 25 resin bed volumes.On this condition, concentration golden in gained stripping liquid is 271.9mg/L, and golden desorption efficiency is
97.1%.
Embodiment 6：
Gold loaded resin used is in the same manner as in Example 5, using Na2SO3With NaOH mixed solution as strippant to above-mentioned
Gold loaded resin carries out dynamic desorption.In strippant：Na2SO3Concentration is 0.4mol/L, NaOH concentration 0.3mol/L.Desorbent stream
Speed is 4 resin bed volume/hours, and dosage is 23 resin bed volumes.On this condition, concentration golden in gained stripping liquid is
297.9mg/L, golden desorption efficiency are 97.9%.
Embodiment 7：
Gold loaded resin used is in the same manner as in Example 5, using Na2SO3With NaOH mixed solution as strippant to above-mentioned
Gold loaded resin carries out dynamic desorption.In strippant：Na2SO3Concentration is 0.5mol/L, NaOH concentration 0.4mol/L.Desorbent stream
Speed is 3 resin bed volume/hours, and dosage is 22 resin bed volumes.On this condition, concentration golden in gained stripping liquid is
313.1mg/L, golden desorption efficiency are 98.4%.
Embodiment 8：
Gold loaded resin used is in the same manner as in Example 5, using Na2SO3With NaOH mixed solution as strippant to above-mentioned
Gold loaded resin carries out dynamic desorption.In strippant：Na2SO3Concentration is 0.6mol/L, NaOH concentration 0.6mol/L.Desorbent stream
Speed is 2 resin bed volume/hours, and dosage is 20 resin bed volumes.On this condition, concentration golden in gained stripping liquid is
346.9mg/L, golden desorption efficiency are 99.1%.
Comparative example 4：
Gold loaded resin used is in the same manner as in Example 5, using NH4SCN solution enters as strippant to above-mentioned gold loaded resin
Mobile state desorbs.NH in strippant4SCN concentration is 2.5mol/L, and strippant flow velocity is 3 resin bed volume/hours, and dosage is
23 resin bed volumes.On this condition, concentration golden in gained stripping liquid is 282.1mg/L, and golden desorption efficiency is 92.7%.
Comparative example 5：
Gold loaded resin used is in the same manner as in Example 5, using Na2S4O6Solution enters as strippant to above-mentioned gold loaded resin
Mobile state desorbs.Na in strippant2S4O6Concentration is 2.5mol/L, and strippant flow velocity is 3 resin bed volume/hours, and dosage is
21 resin bed volumes.On this condition, concentration golden in gained stripping liquid is 312.7mg/L, and golden desorption efficiency is 93.8%.
Comparative example 6：
Gold loaded resin used is in the same manner as in Example 5, using NH4NO3Solution is carried out as strippant to above-mentioned gold loaded resin
Dynamic desorption.NH in strippant4NO3Concentration is 2.5mol/L, and strippant flow velocity is 3 resin bed volume/hours, dosage 24
Individual resin bed volume.On this condition, concentration golden in gained stripping liquid is 261.0mg/L, and golden desorption efficiency is 89.5%.
Embodiment 9：
First using simulation thiosulfate leaching liquid, gold loaded resin is prepared in the method for stirring and adsorbing.Wherein, sulphur is simulated
Gold concentration is 20mg/L, concentration of sodium thiosulfate 0.3mol/L, copper concentration 0.03mol/L in thiosulfate leachate, ammonia
Water concentration is 1mol/L, and simulation leachate volume is 8L, and polymeric adsorbent uses IRA-400 basic resins, and resin demand is
10mL, mixing speed 250r/min, adsorption time 3h.After absorption terminates, obtain carrying resin of the gold amount for 20kg/t.So
Afterwards, obtained gold loaded resin is entered into luggage post.Wherein, it is 4mm to exchange column internal diameter, and resin bed height is 80cm, resin bed volume
For 10mL.
Using Na2SO3Dynamic desorption is carried out to above-mentioned gold loaded resin as strippant with NaOH mixed solution.Strippant
In：Na2SO3Concentration is 0.3mol/L, NaOH concentration 0.2mol/L.Strippant flow velocity is 4 resin bed volume/hours, dosage
For 35 resin bed volumes.On this condition, concentration golden in gained stripping liquid is 388.0mg/L, and golden desorption efficiency is
97.0%.
Embodiment 10：
Gold loaded resin used is in the same manner as in Example 9, using Na2SO3With NaOH mixed solution as strippant to above-mentioned
Gold loaded resin carries out dynamic desorption.In strippant：Na2SO3Concentration is 0.4mol/L, NaOH concentration 0.3mol/L.Desorbent stream
Speed is 3 resin bed volume/hours, and dosage is 32 resin bed volumes.On this condition, concentration golden in gained stripping liquid is
429.2mg/L, golden desorption efficiency are 98.1%.
Embodiment 11：
Gold loaded resin used is in the same manner as in Example 9, using Na2SO3With NaOH mixed solution as strippant to above-mentioned
Gold loaded resin carries out dynamic desorption.In strippant：Na2SO3Concentration is 0.5mol/L, NaOH concentration 0.4mol/L.Desorbent stream
Speed is 3 resin bed volume/hours, and dosage is 29 resin bed volumes.On this condition, concentration golden in gained stripping liquid is
476.0mg/L, golden desorption efficiency are 98.6%.
Embodiment 12：
Gold loaded resin used is in the same manner as in Example 9, using Na2SO3With NaOH mixed solution as strippant to above-mentioned
Gold loaded resin carries out dynamic desorption.In strippant：Na2SO3Concentration is 0.6mol/L, NaOH concentration 0.6mol/L.Desorbent stream
Speed is 2 resin bed volume/hours, and dosage is 27 resin bed volumes.On this condition, concentration golden in gained stripping liquid is
512.3mg/L, golden desorption efficiency are 98.8%.
Comparative example 7：
Gold loaded resin used is in the same manner as in Example 9, using NH4SCN solution enters as strippant to above-mentioned gold loaded resin
Mobile state desorbs.NH in strippant4SCN concentration is 2.5mol/L, and strippant flow velocity is 3 resin bed volume/hours, and dosage is
32 resin bed volumes.On this condition, concentration golden in gained stripping liquid is 406.0mg/L, and golden desorption efficiency is 92.8%.
Comparative example 8：
Gold loaded resin used is in the same manner as in Example 9, using Na2S4O6Solution enters as strippant to above-mentioned gold loaded resin
Mobile state desorbs.Na in strippant2S4O6Concentration is 2.5mol/L, and strippant flow velocity is 3 resin bed volume/hours, and dosage is
30 resin bed volumes.On this condition, concentration golden in gained stripping liquid is 441.9mg/L, and golden desorption efficiency is 94.7%.
Comparative example 9：
Gold loaded resin used is in the same manner as in Example 9, using NH4NO3Solution is carried out as strippant to above-mentioned gold loaded resin
Dynamic desorption.NH in strippant4NO3Concentration is 2.5mol/L, and strippant flow velocity is 3 resin bed volume/hours, dosage 34
Individual resin bed volume.On this condition, concentration golden in gained stripping liquid is 376.8mg/L, and golden desorption efficiency is 91.5%.
From above example and comparative example, for a variety of different types and the different resins for carrying gold amount, using this hair
Bright method, utilizes Na2SO3Dynamic desorption is carried out with NaOH mixed solution, golden desorption efficiency is above existing single strippant
(ammonium thiocyanate, sodium tetrathionate or ammonium nitrate), its desorption efficiency is up to more than 97%.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (5)
1. a kind of method of the co-desorption gold thiosulfate anion complex ion from strong-base anion-exchange resin, its feature exist
In：With Na2SO3With NaOH mixed solution as strippant to being loaded with the strong alkalinity anion of golden thiosulfate anion complex ion
Exchanger resin carries out dynamic desorption.
2. according to the method for claim 1, it is characterised in that：The Na2SO3In NaOH mixed solution, Na2SO3's
Concentration is 0.3mol/L~0.6mol/L, and NaOH concentration is 0.2mol/L~0.6mol/L.
3. according to the method for claim 1, it is characterised in that：During the dynamic desorption, the flow velocity of strippant for 2~
4 resin bed volume/hours.
4. according to the method for claim 3, it is characterised in that：During the dynamic desorption, the dosage of strippant is 15
~35 resin bed volumes.
5. according to method according to any one of claims 1 to 4, it is characterised in that：The strong-base anion-exchange resin
Load gold amount be 5kg/t~20kg/t.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109652647A (en) * | 2019-02-27 | 2019-04-19 | 武汉理工大学 | A kind of molybdenum disulfide recycling noble metal technique based on thiosulfate leaching method |
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| CN109797281A (en) * | 2019-02-27 | 2019-05-24 | 武汉理工大学 | A kind of sulphide ore recycling noble metal technique based on thiosulfate leaching method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098142A (en) * | 1993-07-28 | 1995-02-01 | 纽蒙特金公司 | With the Wet-process metallurgy method of thiosulphate lixiviant by recovery precious metal useful component in the precious metal ore |
| WO2011154607A1 (en) * | 2010-06-10 | 2011-12-15 | Outotec Oyj | Method of gold leaching |
| CN107002168A (en) * | 2014-10-22 | 2017-08-01 | 伊那维克澳大利亚有限公司 | A kind of leaching simultaneously in hygrometric state solid and the METAL EXTRACTION method of absorption |
-
2017
- 2017-08-11 CN CN201710686637.4A patent/CN107488789B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098142A (en) * | 1993-07-28 | 1995-02-01 | 纽蒙特金公司 | With the Wet-process metallurgy method of thiosulphate lixiviant by recovery precious metal useful component in the precious metal ore |
| WO2011154607A1 (en) * | 2010-06-10 | 2011-12-15 | Outotec Oyj | Method of gold leaching |
| CN107002168A (en) * | 2014-10-22 | 2017-08-01 | 伊那维克澳大利亚有限公司 | A kind of leaching simultaneously in hygrometric state solid and the METAL EXTRACTION method of absorption |
Non-Patent Citations (2)
| Title |
|---|
| M.I. JEFFREY ET AL.: "Ion exchange adsorption and elution for recovering gold thiosulfate from", 《HYDROMETALLURGY》 * |
| 张莉: "《分离检测实训》", 31 January 2013 * |
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| CN109107546A (en) * | 2018-09-10 | 2019-01-01 | 河南省岩石矿物测试中心 | Synthetic method and application of alizarin red-S chelate forming resin |
| CN109107546B (en) * | 2018-09-10 | 2021-06-04 | 河南省岩石矿物测试中心 | Synthetic method and application of alizarin red-S chelating resin |
| CN109652647A (en) * | 2019-02-27 | 2019-04-19 | 武汉理工大学 | A kind of molybdenum disulfide recycling noble metal technique based on thiosulfate leaching method |
| CN109652658A (en) * | 2019-02-27 | 2019-04-19 | 武汉理工大学 | A method of noble metal complex ion being recycled from thiosulfate leaching liquid using sulphide ore |
| CN109706315A (en) * | 2019-02-27 | 2019-05-03 | 武汉理工大学 | A kind of method that molybdenum disulfide adsorbs noble metal complex ion in thiosulfate leaching liquid |
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| CN109652647B (en) * | 2019-02-27 | 2020-04-21 | 武汉理工大学 | Process for recovering noble metals from molybdenum disulfide based on thiosulfate leaching method |
| CN110252426A (en) * | 2019-06-12 | 2019-09-20 | 山东科源制药股份有限公司 | Bisulfate ion-sulfate radical type anion exchange resin preparation method |
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