CN109592749A - A kind of processing method of gold smelting Cyanide in Cyanide Wastewater - Google Patents
A kind of processing method of gold smelting Cyanide in Cyanide Wastewater Download PDFInfo
- Publication number
- CN109592749A CN109592749A CN201811544112.8A CN201811544112A CN109592749A CN 109592749 A CN109592749 A CN 109592749A CN 201811544112 A CN201811544112 A CN 201811544112A CN 109592749 A CN109592749 A CN 109592749A
- Authority
- CN
- China
- Prior art keywords
- cyanide
- processing method
- waste water
- gold smelting
- water containing
- 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.)
- Withdrawn
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 48
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 title claims abstract description 43
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 19
- 239000010931 gold Substances 0.000 title claims abstract description 19
- 238000003672 processing method Methods 0.000 title claims abstract description 17
- 238000003723 Smelting Methods 0.000 title claims abstract description 16
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 claims abstract description 18
- 229940045872 sodium percarbonate Drugs 0.000 claims abstract description 18
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims abstract description 17
- 239000002253 acid Substances 0.000 claims abstract description 15
- 239000003792 electrolyte Substances 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 10
- 239000010936 titanium Substances 0.000 claims description 10
- 229910052719 titanium Inorganic materials 0.000 claims description 10
- 238000005868 electrolysis reaction Methods 0.000 claims description 8
- 229910000464 lead oxide Inorganic materials 0.000 claims description 4
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims description 4
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 claims description 2
- 229910001415 sodium ion Inorganic materials 0.000 claims description 2
- 238000000354 decomposition reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 230000003647 oxidation Effects 0.000 abstract description 5
- 238000007254 oxidation reaction Methods 0.000 abstract description 5
- 238000004065 wastewater treatment Methods 0.000 abstract description 5
- 238000006555 catalytic reaction Methods 0.000 abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 8
- 239000002699 waste material Substances 0.000 description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- UGWKCNDTYUOTQZ-UHFFFAOYSA-N copper;sulfuric acid Chemical compound [Cu].OS(O)(=O)=O UGWKCNDTYUOTQZ-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- IFXGUZKGCKIMQN-UHFFFAOYSA-N oxalonitrile;hydrate Chemical compound O.N#CC#N IFXGUZKGCKIMQN-UHFFFAOYSA-N 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46152—Electrodes characterised by the shape or form
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/18—Cyanides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention belongs to field of waste water treatment, more particularly to a kind of processing method of gold smelting Cyanide in Cyanide Wastewater, method includes the following steps: the acid waste water containing cyanogen that A, the alkaline waste water containing cyanogen and the pH value that are 10-11 by pH value are 2-3 is by volume (3-4): 1 is stirred, and obtains mixed liquor；B, mixed liquor obtained in step A is added in electrolytic cell and is electrolysed, obtain electrolyte；C, the pH value of electrolyte obtained in step B is adjusted to as 10-11, SODIUM PERCARBONATE and the reaction of copper sulphate Aerated stirring is then added, obtains reaction solution；Processing method of the present invention is mixed using acid waste water containing cyanogen and alkaline waste water containing cyanogen, then it is electrolysed and copper sulphate, SODIUM PERCARBONATE catalysis oxidation three phases substep handles cyanide wastewater, by the way of step-by-step processing, cost for wastewater treatment is low, and treatment effeciency is high.
Description
Technical field
The invention belongs to field of waste water treatment more particularly to a kind of processing sides of gold smelting Cyanide in Cyanide Wastewater
Method.
Background technique
Currently, easily to select gold and silver ore as object, most of technique uses ore floatation-concentrate in the production of China's gold and silver
Your liquid displacement of cyaniding-obtains gold, silver mud, then carries out smelting output finished product gold and silver to gold, silver mud again.In the process, cyaniding
Technique produces alkaline waste water containing cyanogen, and wet method smelting process produces acid waste water containing cyanogen.Currently, the method for handling these waste water
There are Yin Kefa, Ozone etc., but there is halfway phenomenon is handled, treated, and waste water cyanide content is higher, reaches
Less than emission request.
Summary of the invention
In order to solve the above-mentioned technical problem the present invention provides a kind of processing method of gold smelting Cyanide in Cyanide Wastewater,
Then processing method of the present invention is electrolysed and copper sulphate, SODIUM PERCARBONATE using acid waste water containing cyanogen and the mixing of alkaline waste water containing cyanogen
Catalysis oxidation three phases substep handles cyanide wastewater, and acid waste water containing cyanogen is to the progress of alkaline waste water containing cyanogen of high cyanogen the
One step acidification, electrolytic process make the complex cyanide in liquid containing cyanogen obtain cracking processing, are eventually adding SODIUM PERCARBONATE and sulfuric acid
Copper makes cyanide obtain final process, and for processing method of the present invention by the way of step-by-step processing, cost for wastewater treatment is low, processing effect
Rate is high.
The technical scheme to solve the above technical problems is that a kind of place of gold smelting Cyanide in Cyanide Wastewater
Reason method, comprising the following steps:
A, by pH value be 10-11 alkaline waste water containing cyanogen and pH value be 2-3 acid waste water containing cyanogen by volume (3-4): 1
It is stirred, obtains mixed liquor；
B, mixed liquor obtained in step A is added in electrolytic cell and is electrolysed, obtain electrolyte；
C, the pH value of electrolyte obtained in step B is adjusted to as 10-11, then addition SODIUM PERCARBONATE and copper sulphate inflation
It is stirred to react, obtains reaction solution.
The beneficial effects of the present invention are: processing method of the present invention is mixed using acid waste water containing cyanogen and alkaline waste water containing cyanogen,
Then it is electrolysed and copper sulphate, SODIUM PERCARBONATE catalysis oxidation three phases substep handles cyanide wastewater, spent acidic containing cyanogen
Water carries out first step acidification to the alkaline waste water containing cyanogen of high cyanogen, and electrolytic process cracks the complex cyanide in liquid containing cyanogen
Processing, being eventually adding SODIUM PERCARBONATE and copper sulphate makes cyanide obtain final process, and processing method of the present invention uses step-by-step processing
Mode, cost for wastewater treatment is low, and treatment effeciency is high.
Based on the above technical solution, the present invention can also be improved as follows.
Further, in step, described to be stirred the time as 30-40min.
The beneficial effect for using above-mentioned further scheme is to be stirred and providing reasonable time, if lower than 30min acid
It is poor to change effect, if being higher than 40min this time will cause power consumption waste.
Further, in stepb, the time of the electrolysis controls in 1-1.25h.
The beneficial effect for using above-mentioned further scheme is to provide reasonable time for electrolysis, is lower than 1h this time, electrolysis
Effect is poor, is higher than 1.25h this time, power consumption is caused to waste.
Further, in stepb, the cathode plate of the electrolytic cell is titanium plate, and anode plate is titanium plate surface Annex II lead oxide
Film, the spacing between the cathode plate and anode plate are 28-32mm, and the Faradaic current of the electrolytic cell is 1490-1510mA, electricity
Solution voltage is 7.9-8.1V.
Optimal cell reaction condition is to provide using the beneficial effect of above-mentioned further scheme, using above-mentioned further side
The parameter of case, the effect that cyanide is abolished in electrolysis are best.
Further, in step C, the reaction temperature control is stirred to react time control in 4-4.5h at 10-30 DEG C.
The beneficial effect for using above-mentioned further scheme is when providing reaction temperature appropriate and reaction for removal cyanide
Between.Thermal energy is caused to waste if temperature is excessively high, temperature is too low, and reaction effect is poor；If the reaction time is too short, reaction is not thorough, reaction
Effect is poor, if the reaction time is long, wastes energy consumption.
Further, in step C, the oxygen concentration after the Aerated stirring in solution is 3-4mg/L.
The beneficial effect for using above-mentioned further scheme is to remove cyanide for SODIUM PERCARBONATE to provide suitable oxygen, if oxygen is dense
Spend low, reaction rate is slow, poor removal effect, if oxygen concentration is excessively high, wastes energy consumption.
Further, in step C, mole of cyanide ion in the sodium ion and step B electrolyte in the SODIUM PERCARBONATE
Than for (2-3): 9.
Use above-mentioned further scheme beneficial effect be for removal cyanide suitable oxidation agent sodium percarbonate is provided, if
Lower than the limitation in above-mentioned further scheme, then reaction is not thorough, poor removal effect, if being higher than limitation, dosing is caused to waste.
Further, in step C, the additional amount of the copper sulphate is that copper sulphate is added in mixed liquor in every cubic metre of step A
0.1-0.15kg。
The beneficial effect for using above-mentioned further scheme is to provide suitable catalyst sulfuric acid copper for removal cyanide, if low
Limitation in above-mentioned further scheme, then reaction is not thorough, poor removal effect, if being higher than limitation, dosing is caused to waste.
Specific embodiment
The principles and features of the present invention are described below, and the given examples are served only to explain the present invention, is not intended to limit
Determine the scope of the present invention.
Embodiment 1
Take the acid waste water containing cyanogen and volume is 62 cubic metres, pH value is 11 containing cyanogen that volume is 21 cubic metres, pH value is 3
Alkaline waste water is added in closed reactive tank, after being stirred mixing 35 minutes, obtains mixed liquor, and mixed liquor is delivered to electricity
Solution slot Inner electrolysis 1 hour obtains electrolyte, and the cathode plate of electrolytic cell is titanium plate, and anode plate is titanium plate surface Annex II lead oxide film,
Cathode plate and anode plate spacing are 3cm, Faradaic current 1505mA, voltage 8.1V, under the conditions of 10 DEG C of temperature, to electrolyte
Middle addition sodium hydroxide solution adjusts pH value to 11, and SODIUM PERCARBONATE 80kg and copper sulphate 8.3kg is then added and is inflated stirring
Reaction 4.2 hours, Aerated stirring are mainly filled with oxygen, make oxygen concentration 3.8mg/L.
Test result: under the conditions of original state, CN in acid waste water containing cyanogen-Concentration is 124mg/L, in alkaline waste water containing cyanogen
CN-Concentration is 2710mg/L, after being mixed 35 minutes, CN in mixed liquor-Concentration is 1805mg/L；CN after electrolysis-Concentration is
674.12mg/L；SODIUM PERCARBONATE and CN after copper sulphate reaction 4.2 hours is added-Concentration is 0.14mg/L.
Embodiment 2
It is 10.8 to contain that take volume is 5 cubic metres, pH value is 2.8 acid waste water containing cyanogen and volume, which be 15 cubic metres of pH value,
Cyanogen alkaline waste water is added in closed reactive tank, after being stirred mixing 30 minutes, obtains mixed liquor, and mixed liquor is delivered to
Electrolytic cell Inner electrolysis 1 hour, electrolyte is obtained, electrolytic cell cathode plate is titanium plate, and anode plate is titanium plate surface Annex II lead oxide film,
Cathode plate and anode plate spacing are 3cm, Faradaic current 1501mA, voltage 7.9V, under the conditions of 20 DEG C of temperature, to electrolyte
Middle addition sodium hydroxide solution adjusts pH value to 11, and SODIUM PERCARBONATE 27kg and copper sulphate 2kg is then added and is inflated stirring instead
It answers 4.1 hours, Aerated stirring is mainly filled with oxygen, makes oxygen concentration 3.5mg/L.
Test result: under the conditions of original state, CN in acid waste water containing cyanogen-Concentration is 177mg/L, in alkaline waste water containing cyanogen
CN-Concentration is 3015mg/L, after half an hour is mixed, CN in mixed liquor-Concentration is 2120mg/L；CN after electrolysis-Concentration is
953.20mg/L；SODIUM PERCARBONATE and CN after copper sulphate reaction 4.1 hours is added-Concentration is 0.11mg/L.
Embodiment 3
Take the acid waste water containing cyanogen and volume is 24 cubic metres, pH value is 10.7 that volume is 8 cubic metres, pH value is 3.0
Alkaline waste water containing cyanogen is added in closed reactive tank, after being stirred mixing 32 minutes, obtains mixed liquor, and mixed liquor is conveyed
To electrolytic cell Inner electrolysis 1.2 hours, electrolyte is obtained, electrolytic cell cathode plate is titanium plate, and anode plate is the oxidation of titanium plate surface Annex II
Lead film, cathode plate and anode plate spacing are 3cm, Faradaic current 1508mA, voltage 7.9V, under the conditions of 30 DEG C of temperature, to
Sodium hydroxide solution is added in electrolyte and adjusts pH value to 11, SODIUM PERCARBONATE 30kg and copper sulphate 3.2kg is added and is inflated and stirs
Reaction 4.4 hours is mixed, Aerated stirring is mainly filled with oxygen, makes oxygen concentration 3.8mg/L.
Test result: under original state, CN in acid waste water containing cyanogen-Concentration is 87mg/L, CN in alkaline waste water containing cyanogen-It is dense
Degree is 2879mg/L, after half an hour is mixed, CN in mixed liquor-Concentration is 1920mg/L；CN after electrolysis-Concentration is
653.20mg/L；SODIUM PERCARBONATE and CN after copper sulphate reaction 4.4 hours is added-Concentration is 0.11mg/L.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of processing method of gold smelting Cyanide in Cyanide Wastewater, which comprises the following steps:
A, by pH value be 10-11 alkaline waste water containing cyanogen and pH value be 2-3 acid waste water containing cyanogen by volume (3-4): 1 stir
Mixing, obtains mixed liquor；
B, mixed liquor obtained in step A is added in electrolytic cell and is electrolysed, obtain electrolyte；
C, the pH value of electrolyte obtained in step B is adjusted to as 10-11, SODIUM PERCARBONATE and copper sulphate Aerated stirring is then added
Reaction, obtains reaction solution.
2. a kind of processing method of gold smelting Cyanide in Cyanide Wastewater according to claim 1, which is characterized in that in step
It is described to be stirred the time as 30-40min in rapid A.
3. a kind of processing method of gold smelting Cyanide in Cyanide Wastewater according to claim 1, which is characterized in that in step
In rapid B, the time of the electrolysis is controlled in 1-1.25h.
4. a kind of processing method of gold smelting Cyanide in Cyanide Wastewater according to claim 1, which is characterized in that in step
In rapid B, the cathode plate of the electrolytic cell is titanium plate, and anode plate is titanium plate surface Annex II lead oxide film, the cathode plate and anode
Spacing between plate is 28-32mm, and the Faradaic current of the electrolytic cell is 1490-1510mA, decomposition voltage 7.9-8.1V.
5. any one of -4 a kind of processing method of gold smelting Cyanide in Cyanide Wastewater according to claim 1, feature
It is, in step C, the reaction temperature control is stirred to react time control in 4-4.5h at 10-30 DEG C.
6. any one of -4 a kind of processing method of gold smelting Cyanide in Cyanide Wastewater according to claim 1, feature
It is, in step C, the oxygen concentration after the Aerated stirring in solution is 3-4mg/L.
7. any one of -4 a kind of processing method of gold smelting Cyanide in Cyanide Wastewater according to claim 1, feature
It is, in step C, the molar ratio of cyanide ion is (2-3) in the sodium ion and step B electrolyte in the SODIUM PERCARBONATE:
9。
8. any one of -4 a kind of processing method of gold smelting Cyanide in Cyanide Wastewater according to claim 1, feature
It is, in step C, the additional amount of the copper sulphate is that copper sulphate 0.1-0.15kg is added in mixed liquor in every cubic metre of step A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811544112.8A CN109592749A (en) | 2018-12-17 | 2018-12-17 | A kind of processing method of gold smelting Cyanide in Cyanide Wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811544112.8A CN109592749A (en) | 2018-12-17 | 2018-12-17 | A kind of processing method of gold smelting Cyanide in Cyanide Wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109592749A true CN109592749A (en) | 2019-04-09 |
Family
ID=65962965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811544112.8A Withdrawn CN109592749A (en) | 2018-12-17 | 2018-12-17 | A kind of processing method of gold smelting Cyanide in Cyanide Wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109592749A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113772869A (en) * | 2021-09-16 | 2021-12-10 | 紫金矿业集团黄金冶炼有限公司 | Quality-based treatment method for gold smelting wastewater |
-
2018
- 2018-12-17 CN CN201811544112.8A patent/CN109592749A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113772869A (en) * | 2021-09-16 | 2021-12-10 | 紫金矿业集团黄金冶炼有限公司 | Quality-based treatment method for gold smelting wastewater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105884091B (en) | The wastewater treatment equipment that the electric Fenton that a kind of no solid waste generates is coupled with electrocatalytic oxidation | |
| CN106966414B (en) | A kind of waste phosphoric acid processing method producing electrode foil | |
| CN110862127A (en) | Three-dimensional electrochemical device and method for treating industrial wastewater by using three-dimensional electrode | |
| CN110436583A (en) | A kind of depth removes the electrochemical appliance and its application method of nitrate in water removal | |
| CN108411321A (en) | A kind of electrolyzer with dual membranes and three chambers prepares the apparatus and method of ferrate | |
| CN101734779A (en) | Method for preparing Fenton reagent on site for treating waste water | |
| US20220135425A1 (en) | Method for Co-Producing Synthetical Rutile and Polymeric Ferric Sulfate with Waste Sulfuric Acid | |
| CN108503167B (en) | Method for synthesizing water purifying agent by using steel pickling waste liquid | |
| CN212247228U (en) | Contain salt waste water recycling apparatus based on electrolysis hydrogen manufacturing technique | |
| CN112723492B (en) | Preparation method and application of cuprous oxide-loaded activated carbon | |
| CN105925807B (en) | A kind of recovery process of waste battery lead | |
| CN110354851A (en) | A kind of method of nanotube-shaped titania-tin oxide-ruthenium-oxide composite coating catalytic degradation organic pollutant | |
| US10563315B2 (en) | Process for preparing lead by electroreduction with ammonium chloride and ammonia | |
| CN108707921A (en) | A kind of device and method for being electrolysed while generating persulfate and its activator ferrous ion | |
| CN109592749A (en) | A kind of processing method of gold smelting Cyanide in Cyanide Wastewater | |
| CN104860397A (en) | Electrochemical-biological fluidized bed reactor and wastewater treatment method | |
| CN107253782A (en) | A kind of ferrikinetics electrochemistry Fenton method for treating water and device | |
| CN106630031A (en) | Electro-catalytic oxidation reaction device and method for treating organic wastewater | |
| CN205204884U (en) | Handle many diaphragm electrolysis of multi -electrode groove of high salt industrial waste water | |
| CN109179596A (en) | The processing method of electroplating wastewater | |
| CN111636073A (en) | Device and process for recycling salt-containing wastewater | |
| CN108588723A (en) | A kind of regeneration cycle system and method for alkaline etching waste liquid for producing | |
| CN108892344B (en) | Method for conditioning sludge through in-situ electrochemical oxidation-reduction and integrated device | |
| RU2524609C1 (en) | Method of producing magnetite | |
| CN207062049U (en) | A kind of ferrikinetics electrochemistry Fenton water treatment facilities |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190409 |
|
| WW01 | Invention patent application withdrawn after publication |