CN114522744A - Method for washing, desorbing and regenerating D363 resin - Google Patents
Method for washing, desorbing and regenerating D363 resin Download PDFInfo
- Publication number
- CN114522744A CN114522744A CN202210080661.4A CN202210080661A CN114522744A CN 114522744 A CN114522744 A CN 114522744A CN 202210080661 A CN202210080661 A CN 202210080661A CN 114522744 A CN114522744 A CN 114522744A
- Authority
- CN
- China
- Prior art keywords
- resin
- washing
- compressed air
- compressed
- pressing
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
- B01J49/60—Cleaning or rinsing ion-exchange beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
- B01J49/50—Regeneration or reactivation of ion-exchangers; Apparatus therefor characterised by the regeneration reagents
-
- 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
-
- 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
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/34—Obtaining molybdenum
-
- 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
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/36—Obtaining tungsten
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention relates to the technical field of tungsten-molybdenum smelting, and provides a method for washing, desorbing and regenerating D363 resin. Comprises the steps of concentrated material washing, alkali circulating desorption, acid circulating regeneration, acid washing and the like. The method comprises the steps of firstly washing the concentrated material, firstly pressing the concentrated material in the resin by using compressed air, then adding tap water for washing, then pressing the concentrated material by using the compressed air for drying, then washing by using the tap water, then pressing the concentrated material by using the compressed air for drying, after the concentrated material is washed, circularly desorbing by using the two-step method sodium hydroxide, circularly desorbing, circularly regenerating and regenerating the acid by using the two-step method, circularly washing the acid by using the two-step method, and then entering the operation of the next adsorption period. The method disclosed by the invention realizes efficient washing, desorption and regeneration of the D363 resin, improves the recovery of the concentrated material, reduces the generation of ammonia-containing wastewater and reduces the environmental-friendly treatment cost.
Description
Technical Field
The invention relates to the technical field of tungsten-molybdenum smelting, in particular to a method for washing, desorbing and regenerating D363 resin.
Background
Tungsten and molybdenum are rare metals, and as the periodic elements 5 and 6 belonging to group VIB, the atomic radii of tungsten and molybdenum are very close due to contraction of lanthanides, and the physical and chemical properties are very similar, and separation is very difficult. The existing method for separating tungsten and molybdenum mainly adopts a selective precipitation method, an acidic condition molybdenum sulfide precipitation method, a crystallization method, a 201X 7 resin adsorption method, an extraction separation method and the like. Through technical development for many years, a special resin adsorption method is remarkably improved for separating tungsten and molybdenum, and particularly, the method is applied to the field of deep molybdenum removal from an ammonium tungstate solution (a university of Zhongnan, Show-Liang-Chun professor team and the like). A company technical center team develops a process for deeply removing molybdenum from an ammonium tungstate solution by using D363 resin to obtain a good molybdenum removal effect, but after the D363 resin is adsorbed and saturated, the washing-desorption-regeneration link has the defects of large washing water consumption, insufficient desorption, large consumption of a desorbent and Na on the resin+The thorough washing is difficult, and the ammonia nitrogen content in the washing water is high, which causes the problem of high cost of environmental protection treatment.
Disclosure of Invention
The invention aims to provide a method for washing, desorbing and regenerating D363 resin, which mainly aims at the problems that after the D363 resin is adsorbed and saturated, the washing water consumption is large, the desorption is insufficient, the consumption of a desorbent is large, and Na on the resin is large in the washing-desorption-regeneration link+The thorough washing is difficult, and the ammonia nitrogen content in the washing water is high, which causes the problem of high cost of environmental protection treatment.
The technical problem of the invention is mainly solved by the following technical scheme: the method comprises the following steps:
(1) washing concentrated materials: d363 resin enters a washing link after being adsorbed and saturated, firstly, compressed air is used, the pressure is 0.4-0.8Mpa, the concentrated material in the resin is compressed by primary compressed air, the compression end point is that no material liquid is discharged from a bottom valve, the compressed material is directly returned for use, then tap water with 0.5 time of the volume of the resin is added, secondary compressed air pressing is continued, the pressure is 0.4-0.8Mpa, the compression end point is that no material liquid is discharged from the bottom valve, the compressed material is collected and returned for use, then tap water with 0.5 time of the volume of the resin is continuously added, tertiary compressed air pressing is carried out, the pressure is 0.4-0.8Mpa, the compression end point is that no material liquid is discharged from the bottom valve, the compressed material is collected and returned to an environment-friendly system for treatment, and then the next link is entered.
(2) Alkali circulation desorption: desorbing the D363 resin treated in the step (1) by using a sodium hydroxide solution, wherein the concentration of sodium hydroxide is 20-60g/L, the volume of the D363 resin is 3-5 times the volume of the D363 resin, cyclic desorption is carried out for 3h, the flow rate is 3-5 times the volume of the resin per hour, once cyclic desorption is completed, primary compressed air pressure pressing is carried out, the pressure is 0.4-0.8Mpa, no material liquid is discharged from a bottom valve at the compression end point, the compressed material is collected and used for extracting and separating tungsten and molybdenum, then secondary cyclic desorption is carried out, the concentration of sodium hydroxide serving as a desorbent is 20-60g/L, the volume of the D363 resin is 3-5 times the volume of the D363 resin, cyclic desorption is carried out for 3h, the flow rate is 3-5 times the volume of the resin per hour, secondary desorption is completed, secondary compressed air pressure pressing is carried out, the pressure is 0.4-0.8Mpa, and no material liquid is discharged from the bottom valve at the compression end point, the compressed material is collected and used as the first circulation desorbent of the next period. And (3) finishing secondary compressed air material pressing, pumping tap water with the volume 0.5 times that of the resin, then performing tertiary compressed air material pressing at the pressure of 0.4-0.8Mpa until no material liquid is discharged from the bottom valve at the compression end point, collecting the compressed material for environment-friendly treatment, washing the ammonia-containing material in the resin, and then entering the next link.
(3) Acid recycling and regeneration, acid washing: d363 resin obtained in the step (2) is treated with HNO3Regenerating, acid concentration is 5-10%, acid volume consumption is 2-3 times of resin volume, cyclic regeneration, flow is 2-3 times of resin volume, cycle is completed, compressed air is used, pressure is 0.4-0.8Mpa, primary compressed air is used for pressing material, acid in resin is compressed, no material liquid is discharged from bottom valve at compression end point, compressed material enters environmental protection treatment process, primary compressed air is used for pressing material, tap water with 0.5 times of resin volume is added for secondary compressed air pressing material, pressure is 0.4-0.8Mpa, no material liquid is discharged from bottom valve at compression end point, compressed material enters environmental protection, and then material liquid is discharged from bottom valve at compression end pointAdding tap water with the volume 0.5 times that of the resin, carrying out three times of compressed air pressing under the pressure of 0.4-0.8Mpa until no material liquid is discharged from a bottom valve at the compression end point, carrying out environment-friendly treatment on the compressed material, directly washing with tap water after the three times of compressed air pressing is finished, wherein the flow is 5 times that of the resin, the pH value of washing effluent is 4-5, sampling, and measuring Na content in the washing water+And (5) stopping washing according to the concentration, and entering the next adsorption period.
The invention has the beneficial effects that: the method realizes the efficient washing, desorption and regeneration of the D363 resin by the steps of concentrated material washing, alkali circulating desorption, acid circulating regeneration, acid washing and the like, reduces the generation of ammonia nitrogen wastewater, reduces the consumption of a desorbent NaOH, and improves the Na content+Washing effect, and increase of valuable metal WO3The method is a method for efficiently treating the D363 resin.
Drawings
FIG. 1 is a process diagram of the present invention;
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1
In this example, the industrial practice example was carried out in Ganzhou tungsten-molybdenum smeltery, where the column height of D363 resin was 2.4m, the column diameter was 0.8m, and the column diameter was 1m with D363 adsorption saturated resin3。
(1) Washing concentrated materials: d363 resin enters a washing link after being adsorbed and saturated, firstly, the concentrated material in the resin is compressed out by compressed air with the pressure of 0.4Mpa and the primary compressed air pressing, no material liquid is discharged from a bottom valve at the compression end point, the compressed material is directly returned for use, and then 0.5m of compressed material is added3Adding tap water from top to bottom, standing for 10min, continuously compressing with secondary compressed air under 0.4Mpa until no material liquid is discharged from the bottom valve, collecting the compressed material, returning to the process, and continuously adding 0.5m3Adding tap water from top to bottom, standing for 10min, compressing with compressed air at 0.4Mpa for three times, collecting compressed material, returning to the environment-friendly system for treating ammonia nitrogen wastewater, and allowing to enterAnd (5) the next link.
(2) Alkali circulation desorption: desorbing the D363 resin treated in the step (1) by using a sodium hydroxide solution, wherein the concentration of the sodium hydroxide is 30g/L, and the using volume is 3m3Circularly desorbing for 3h at a flow rate of 5m3And h, after the primary circulation desorption is finished, performing primary compressed air pressing at the pressure of 0.4Mpa until no material liquid is discharged from the bottom valve at the compression end point, collecting the compressed material for extraction and separation of tungsten and molybdenum, and performing secondary circulation desorption, wherein the concentration of sodium hydroxide serving as a desorbent is 30g/L, the using volume is 3 times that of D363 resin, the circulation desorption lasts for 3h, and the flow is 5m3And h, finishing secondary desorption, performing secondary compressed air pressing at the pressure of 0.4Mpa, discharging no material liquid from the bottom valve at the compression end point, and collecting the compressed material to be used as a primary circulating desorbent in the next period. Pressing with secondary compressed air, and pumping into a pump of 0.5m3Adding tap water from top to bottom, standing for 10min, compressing with compressed air at 0.4Mpa for three times, collecting the compressed material, treating the waste water, washing the ammonia-containing material, and performing the next step.
(3) Acid recycling and regeneration, acid washing: d363 resin obtained in the step (2) is treated with HNO3Regeneration, acid concentration is 5%, and acid volume consumption is 3m3Cyclic regeneration, flow rate is 3m of resin volume3And h, completing circulation, namely pressing the materials by using compressed air with the pressure of 0.4Mpa for one time to compress the acid in the resin, discharging no material liquid from a bottom valve at the compression end point, entering the environment-friendly treatment process for the compressed materials, completing pressing by using the compressed air for one time, and adding 0.5m3Adding tap water from top to bottom, standing for 10min, compressing with compressed air under 0.4Mpa until no feed liquid is discharged from the bottom valve, and adding 0.5m3Adding tap water from top to bottom, standing for 10min, pressing with compressed air for three times at 0.4Mpa until no feed liquid is discharged from the bottom valve, treating the compressed material for environmental protection, washing with tap water directly after pressing with compressed air for three times at flow rate of 5m3H, washing effluent pH value is 4, sampling and measuringWashing water Na+The concentration is 0.01g/L, the washing is stopped, and the next adsorption period is entered.
Example 2
In this example, the industrial practice example was carried out in Ganzhou tungsten-molybdenum smeltery, where the column height of D363 resin was 2.4m, the column diameter was 0.8m, and the column diameter was 1m with D363 adsorption saturated resin3。
(1) Washing concentrated materials: d363 resin enters a washing link after being adsorbed and saturated, firstly, the concentrated material in the resin is compressed out by compressed air with the pressure of 0.6Mpa and the primary compressed air pressing, no material liquid is discharged from a bottom valve at the compression end point, the compressed material is directly returned for use, and then 0.5m of the compressed material is added3Adding tap water from top to bottom, standing for 10min, continuously compressing with secondary compressed air under 0.6Mpa until no material liquid is discharged from the bottom valve, collecting the compressed material, returning to the process, and continuously adding 0.5m3Adding the tap water from top to bottom, standing for 10min, compressing with compressed air for three times at a pressure of 0.4Mpa, discharging no material liquid from the bottom valve at the compression end point, collecting the compressed material, returning to the treatment of ammonia nitrogen wastewater in the environmental protection system, and entering the next link.
(2) Alkali circulation desorption: desorbing the D363 resin treated in the step (1) by using a sodium hydroxide solution, wherein the concentration of the sodium hydroxide is 40g/L, and the using volume is 4m3Circularly desorbing for 3h at a flow rate of 5m3And h, after the primary circulation desorption is finished, performing primary compressed air pressing at the pressure of 0.6Mpa until no material liquid is discharged from the bottom valve at the compression end point, collecting the compressed material for extraction and separation of tungsten and molybdenum, and performing secondary circulation desorption, wherein the concentration of the sodium hydroxide serving as a desorbent is 40g/L, and the use volume is 4m3Circularly desorbing for 3h at a flow rate of 5m3And h, finishing secondary desorption, performing secondary compressed air pressing at the pressure of 0.6Mpa, discharging no material liquid from the bottom valve at the compression end point, and collecting the compressed material to be used as a primary circulating desorbent in the next period. Pressing with secondary compressed air, and pumping into a pump of 0.5m3Adding tap water from top to bottom, standing for 10min, compressing with compressed air at 0.6Mpa for three times until no feed liquid is discharged from bottom valve, and collecting the compressed material to the waste waterAnd (4) cleaning the ammonia-containing material in the resin, and then entering the next link.
(3) Acid recycling and regeneration, acid washing: d363 resin obtained in the step (2) is treated with HNO3Regeneration, acid concentration is 8%, and acid volume consumption is 2m3Cyclic regeneration, flow rate is 3m of resin volume3And h, completing circulation, namely compressing acid in the resin by using compressed air with the pressure of 0.6pa once, wherein the compressed air is used for compressing the material, no material liquid is discharged from a bottom valve at the compression end point, the compressed material enters an environment-friendly treatment process, the compressed air is used for compressing the material once, and 0.5m of material is added3Adding tap water from top to bottom, standing for 10min, compressing with compressed air under 0.6Mpa until no feed liquid is discharged from the bottom valve, and adding 0.5m3Adding tap water from top to bottom, standing for 10min, pressing with compressed air for three times at 0.6Mpa until no feed liquid is discharged from the bottom valve, treating the compressed material for environmental protection, washing with tap water directly after pressing with compressed air for three times at flow rate of 5m3H, the pH value of the washing effluent is 5, sampling is carried out, and Na in the washing water is measured+The concentration is 0.008g/L, the washing is stopped, and the next adsorption period is carried out.
While the foregoing embodiments are illustrative of the present invention, various modifications and changes may be readily made by those skilled in the art based upon the teachings and principles of this invention, which are intended to be limited not to the details of construction and methods herein shown, but rather to the preferred embodiments described, and therefore all equivalent modifications and changes in light of the above teachings are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (5)
1. A method for washing, desorbing and regenerating D363 resin is characterized by comprising the following steps:
(1) washing concentrated materials: d363 resin enters a washing link after being adsorbed and saturated, tap water is added for multiple times, the feed liquid is compressed by compressed air, the concentrated material is compressed from the resin, the concentrated material compressed each time is independently collected and treated, and then the next link is entered;
(2) alkali circulation desorption: circularly desorbing the D363 resin treated in the step (1) for multiple times by using a sodium hydroxide solution, wherein the concentration of sodium hydroxide is 20-60g/L, the using volume is 3-5 times of the volume of the D363 resin, the circular desorption is carried out for 3 hours, and the flow is 3-5 times of the volume of the resin per hour; after each circulation desorption is finished, once compressed air pressing is carried out, the material liquid compressed each time is independently collected and processed, and then the next link is carried out;
(3) acid recycling and regeneration, acid washing: d363 resin obtained in the step (2) is prepared by HNO3Regenerating, acid concentration is 5-10%, acid volume consumption is 2-3 times of resin volume, circularly regenerating, flow is 2-3 times of resin volume, circularly completing, pressing material for many times by using compressed air, compressing acid in resin, making compressed material enter into environment-protecting treatment process, directly washing by using tap water after pressing material for many times by using compressed air, flow is 5 times of resin volume, pH value of washing water is 4-5, sampling, measuring Na content in washing water+And (5) stopping washing according to the concentration, and entering the next adsorption period.
2. The method for washing, desorbing and regenerating D363 resin according to claim 1, wherein the washing step in the step (1) is specifically: firstly, compressed air is used for pressing materials by primary compressed air, concentrated materials in resin are compressed out, and the compressed materials are directly returned to a main flow for use; then adding tap water with the volume 0.5 times that of the resin, carrying out secondary compressed air pressing, collecting the compressed materials, and returning to the main process again for use; then continuously adding tap water with the volume 0.5 times that of the resin, carrying out three times of compressed air pressing, collecting the compressed materials, and returning the compressed materials to the environment-friendly system for treatment.
3. The method for washing, desorbing and regenerating the D363 resin according to the claim 1, wherein the multiple times of circulating desorption in the step (2) are specifically: after the first circulation desorption is finished, carrying out first compressed air pressing and compressed material collection for extraction and separation of tungsten and molybdenum, then carrying out second circulation desorption, and after the second desorption is finished, carrying out second compressed air pressing and compressed material collection for serving as a first circulation desorbent of the next period; and (3) finishing secondary compressed air pressing, pumping tap water with the volume of 0.5 time that of the resin, then performing tertiary compressed air pressing, collecting the compressed material to perform environment-friendly treatment, and washing the ammonia-containing material in the resin.
4. The method for washing, desorbing and regenerating the D363 resin according to claim 1, wherein the compressed air is used for multiple pressing in the step (3) to specifically: compressed air is used for pressing materials by primary compressed air, acid in the resin is compressed, the compressed materials enter an environment-friendly treatment process, the primary compressed air pressing is completed, tap water with the volume 0.5 time that of the resin is added, secondary compressed air pressing is carried out, the compressed materials enter an environment-friendly treatment process, then tap water with the volume 0.5 time that of the resin is added, tertiary compressed air pressing is carried out, and the compressed materials enter an environment-friendly treatment process.
5. The method for washing, desorbing and regenerating D363 resin according to claim 1, wherein the compressed air pressure in steps (1) - (3) is 0.4-0.8MPa, and no liquid is discharged from the bottom valve at the end point of compression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210080661.4A CN114522744A (en) | 2022-01-24 | 2022-01-24 | Method for washing, desorbing and regenerating D363 resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210080661.4A CN114522744A (en) | 2022-01-24 | 2022-01-24 | Method for washing, desorbing and regenerating D363 resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114522744A true CN114522744A (en) | 2022-05-24 |
Family
ID=81621379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210080661.4A Pending CN114522744A (en) | 2022-01-24 | 2022-01-24 | Method for washing, desorbing and regenerating D363 resin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114522744A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115945229A (en) * | 2022-12-02 | 2023-04-11 | 中核内蒙古矿业有限公司 | Ion exchange resin regeneration method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080624A (en) * | 2015-09-10 | 2015-11-25 | 苏州联科纳米净化科技有限公司 | Ion exchange resin regeneration method |
| CN105536888A (en) * | 2014-10-22 | 2016-05-04 | 友特贸易有限公司 | Apparatus and method for reducing regenerant and wastewater using compressed air |
| CN105618164A (en) * | 2016-03-30 | 2016-06-01 | 伊犁川宁生物技术有限公司 | Regeneration method of decolorizing resin |
| CN106702184A (en) * | 2016-12-30 | 2017-05-24 | 新疆中核天山铀业有限公司 | Clear water desorption process of alkalescence anion resin |
| CN109908977A (en) * | 2019-03-28 | 2019-06-21 | 四川雅华生物有限公司 | Regeneration of ion-exchange resin technique during a kind of xylose production |
| CN113789442A (en) * | 2021-08-18 | 2021-12-14 | 信丰华锐钨钼新材料有限公司 | Method for separating tungsten and molybdenum in ammonium tungstate solution by LX363 resin |
-
2022
- 2022-01-24 CN CN202210080661.4A patent/CN114522744A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536888A (en) * | 2014-10-22 | 2016-05-04 | 友特贸易有限公司 | Apparatus and method for reducing regenerant and wastewater using compressed air |
| CN105080624A (en) * | 2015-09-10 | 2015-11-25 | 苏州联科纳米净化科技有限公司 | Ion exchange resin regeneration method |
| CN105618164A (en) * | 2016-03-30 | 2016-06-01 | 伊犁川宁生物技术有限公司 | Regeneration method of decolorizing resin |
| CN106702184A (en) * | 2016-12-30 | 2017-05-24 | 新疆中核天山铀业有限公司 | Clear water desorption process of alkalescence anion resin |
| CN109908977A (en) * | 2019-03-28 | 2019-06-21 | 四川雅华生物有限公司 | Regeneration of ion-exchange resin technique during a kind of xylose production |
| CN113789442A (en) * | 2021-08-18 | 2021-12-14 | 信丰华锐钨钼新材料有限公司 | Method for separating tungsten and molybdenum in ammonium tungstate solution by LX363 resin |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115945229A (en) * | 2022-12-02 | 2023-04-11 | 中核内蒙古矿业有限公司 | Ion exchange resin regeneration method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203999825U (en) | The device that regenerating alkaline etching liquid circulation and copper reclaim | |
| CN108975556B (en) | Method for purifying and recovering aged phosphoric acid polishing solution | |
| CN105174556A (en) | High-acidity high-iron heavy metal wastewater quality-divided resource recycling method | |
| CN103572319A (en) | Method for recovering nickel from electroplating centralized control wastewater | |
| CN102277496A (en) | Treatment method of reclaiming nickel from nickel-containing waste liquor | |
| CN106939430A (en) | Nickel-containing waste water nickel reclaimer and recovery method | |
| CN114522744A (en) | Method for washing, desorbing and regenerating D363 resin | |
| CN103320613A (en) | Method for recovering cobalt nickel through electrolytic manganese industrial ion exchange method | |
| CN105080624B (en) | A kind of ion exchange resin regeneration method | |
| CN104496076B (en) | A kind of method of tantalum niobium hydrometallurgy wastewater treatment and recycling | |
| RU2489510C2 (en) | Extraction method of natural uranium concentrate from sulphuric acid solutions of underground leaching, and plant for its implementation | |
| CN114177694A (en) | Cyclic oil removal method for cobalt chloride solution | |
| CN111410223B (en) | Method for recycling carbon resources in phosphorus tailings | |
| CN105714129A (en) | Comprehensive treating method for intermediate extraction stage of cobalt hydrometallurgy | |
| CN105441685B (en) | The method of valuable metal recovery in the high acid waste liquid that a kind of copper anode mud processing procedure is produced | |
| CN115945229A (en) | Ion exchange resin regeneration method | |
| CN107628633B (en) | A method of for liquor alumini chloridi deliming | |
| CN103343226A (en) | Method and system for recycling zinc from low-concentration zinc containing solution | |
| CN109929998A (en) | A kind of regeneration method of copper-molybdenum saturated resin | |
| CN104528989A (en) | High-ammonia-nitrogen wastewater treatment ammonia recycling system | |
| CN201053025Y (en) | Modified gold plating waste water reclaiming device | |
| RU2608862C2 (en) | Process of extracting uranium in "resin in pulp" (rip) cycles at high ph values | |
| CN208762281U (en) | A kind of device with Integrated Membrane Technology processing rare-earth smelting high ammonia-nitrogen wastewater | |
| CN112403028A (en) | Method for purifying lead electrolyte by using columnar activated carbon | |
| CN102250093B (en) | Process for recovering theophylline sodium salt from theophylline sodium salt mother liquid |
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 |