CN106219807A - The mine low concentration integrated conduct method containing Effluent of cuprous cyanide - Google Patents
The mine low concentration integrated conduct method containing Effluent of cuprous cyanide Download PDFInfo
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- CN106219807A CN106219807A CN201610684083.XA CN201610684083A CN106219807A CN 106219807 A CN106219807 A CN 106219807A CN 201610684083 A CN201610684083 A CN 201610684083A CN 106219807 A CN106219807 A CN 106219807A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
- C22B15/0089—Treating solutions by chemical methods
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
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- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- 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
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- 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
- C02F1/722—Oxidation by peroxides
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- 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
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
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- 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
- C02F2001/007—Processes including a sedimentation step
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- 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
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- 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
- C02F2101/20—Heavy metals or heavy metal compounds
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- 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
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
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Abstract
The invention discloses a kind of mine low concentration integrated conduct method containing Effluent of cuprous cyanide, first being sent into by waste water carries in churned mechanically first order reaction groove, add cupric sulphur compound slag except cyanogen agent carry out I section except cyanogen, copper reaction obtain slurry 1, slurry exit add flocculant；Then slurry 1 carries out I section of dense sedimentation from flowing to concentrator 1, and sedimentation underflow obtains filtrate and high-grade copper concentrate product by Filter Press；The filtrate of I section of dense settler overflow and Filter Press being sent into carries in churned mechanically secondary response groove again, adds oxidant and obtains slurry 2 except cyanogen agent carries out II section except cyanogen, copper reaction, adds flocculant in slurry exit；Slurry 2 is finally sent concentrator 2 carry out II section of dense sedimentation, and its pH value is adjusted to behind 6～9 directly standard discharge by acid adding by settler overflow, and sedimentation underflow returns to the slurry exit of first order reaction groove.The method has that flow process is short, simple to operate, low cost, high treating effect, strong adaptability, eco-friendly feature.
Description
Technical field
The present invention relates to treatment Technology of Cyanide Wastewater, particularly relate to the integrated treatment containing Effluent of cuprous cyanide of a kind of mine low concentration
Method.
Background technology
Cyanide puies forward the existing one-hundred-year history of gold, does not the most also have a kind of suitable gold leaching solvent to replace, therefore, and future
Decades, Cyanide Process will be occupied an leading position in golden production field.Along with the fast development of gold industry, the most easily
Process gold ore resource is fewer and feweri, one of cupric difficult-treating gold mine resource primary raw material becoming golden production.But, cupric
When gold mine uses Cyanide Process to process, a large amount of total copper can be produced, total cyanogen concentration be 70～150mg/L low concentration cupric
Cyanogen waste water, if outer row is dealt with or do not processed to this waste water improperly, certainly will pollute, to people environment particularly water resource
Class health, animals and plants and whole ecosystem cause serious harm.
At present, the low concentration process containing Effluent of cuprous cyanide the most directly uses single oxidizing process, such as alkaline chlorination process, because of section
Method, H2O2Oxidizing process and Ozonation etc., the main deficiency directly using single oxidative treatment to exist be reagent consumption big and
Production cost is high.In recent years, Chinese scholars has carried out numerous studies to processing containing Effluent of cuprous cyanide, also achieves the one-tenth of stage
Really, but most of technique all be use several common process combine.As Chinese patent CN104045191B is " a kind of useless containing cyanogen
Method for treating water ", first with Yin Kefa, tractable cyanide is removed during the method Treatment of Cyanide-containing Wastewater, the waste water after process
Coagulating sedimentation heavy-metal ion removal is carried out, then under the synergism of ultraviolet and ozone, by waste water by dosing coagulant
The difficult cyanide of middle remnants, rhodanate and other organic pollutant removals fall.And for example Chinese patent CN104176884B
" a kind of cyanide wastewater integrated conduct method ", first the method selects membrane processing method by cyanide wastewater when Treatment of Cyanide-containing Wastewater
Concentrating, clear water returns in the technological process of production, and concentrated solution uses acidifying stripping recycle of alkali liquor method to reclaim the cyanogen in waste water
Compound, the waste water after recycling by Ozonation, coagulant sedimentation and biological activated carbon method remove remaining cyanide,
The pollutant such as COD, ammonia nitrogen, heavy metal ion.For another example Chinese patent CN104787933A disclosed " gold smelting cyanide wastewater
Processing method ", the method includes the process of acidification reaction, stripping, Fenton's reaction and SO2Air method processes four steps, by by acid
Change reaction and stripping to the pretreatment of cyanide, Fenton's reaction to the process of thiocyanate radical and SO2Cyanide is carried out by air method
The step organic assembling such as advanced treating, process gold smelting cyanide wastewater jointly.All there is technique in above-mentioned several patent
Long flow path, operation are complicated, capital construction and the defect such as equipment investment is big, system energy consumption is high and processing cost is high.
Summary of the invention
It is an object of the invention to provide that a kind of technological process is short, simple to operate, processing cost is low, high treating effect, adaptation
Property mine strong, the eco-friendly low concentration integrated conduct method containing Effluent of cuprous cyanide.
For reaching object above, the operating procedure of the mine of the present invention low concentration integrated conduct method containing Effluent of cuprous cyanide and work
Skill parameter is as follows:
The first step, I section except cyanogen, copper: is sent into containing Effluent of cuprous cyanide by mine low concentration and carries in churned mechanically first order reaction groove, simultaneously
In first order reaction groove add cupric sulphur compound slag except cyanogen agent A carry out I section except cyanogen, copper reaction, the response time 90～
180min, controlling solution ph in course of reaction is 9～10, and reaction obtains I section and removes cyanogen, the slurry 1 of copper after terminating, and in one-level
The slurry exit of reactive tank adds polyacrylamide flocculant；
Second step, I section of solid-liquid separation: I section after addition polyacrylamide flocculant flow to concentrator 1 certainly except the slurry 1 of cyanogen, copper
Carrying out I section of dense sedimentation, obtain I section of dense sedimentation underflow and I section of dense settler overflow, I section of dense sedimentation underflow uses pressure again
Filter is filtrated to get filtrate and high-grade copper concentrate product；
3rd step, II section except cyanogen, copper: the filtrate of I section of dense settler overflow of second step and Filter Press is sent into band machinery and stirs
In the secondary response groove mixed, in secondary response groove, add oxidant simultaneously remove cyanogen, copper reaction, reaction except cyanogen agent B carries out II section
Time 60～90min, reaction obtains II section and removes cyanogen, the slurry 2 of copper, and adds in the slurry exit of secondary response groove after terminating
Polyacrylamide flocculant；
4th step, II section of solid-liquid separation: II section after adding polyacrylamide flocculant send concentrator 2 except cyanogen, the slurry 2 of copper
Carrying out II section of dense sedimentation, obtain II section of dense sedimentation underflow and II section of dense settler overflow, II section of dense settler overflow passes through
Acid adding is direct standard discharge after its pH value is adjusted to 6～9, and II section of dense sedimentation underflow is all back to the slurry of first order reaction groove
Exit.
Described cupric sulphur compound slag all use copper sulphur compound slag at the operation initial stage except cyanogen agent A；Operate in system
It is I section of dense sedimentation underflow after Ping Wen with copper sulphur compound slag by the mixing slag that butt mass ratio is 9:1～7:3.
Described copper sulphur compound slag is the mine cupric cyanogen that total copper, total cyanogen concentration are all higher than 200mg/L by first acid adding
The pH value of waste water adds dissolvable sulfide solution again and processes the cuprous sulfide slag of gained after being adjusted to 3～5.
Described cuprous sulfide slag is that copper-containing acid waste water of mine adds the copper sulfide of gained after dissolvable sulfide solution processes
Slag.
Described except 2%～10% that the addition quality of cyanogen agent A is process wastewater volume amount.
Described oxidant is H except cyanogen agent B2O2Or the one in liquor natrii hypochloritis or bleaching powder.
Described oxidant is except addition quality is I section of dense settler overflow volume the 0.05%～0.1% of cyanogen agent B.
The solid material that the present invention relates to joins in liquid, and its additional proportion have employed the form of quality percent by volume
Statement, i.e. solid material is quality, and liquid is volume, and corresponding unit is ton/cubic meter or kg/liter.
The low concentration integrated conduct method containing Effluent of cuprous cyanide in above-mentioned mine has the following characteristics that
(1) add except cyanogen agent A to low concentration containing Effluent of cuprous cyanide carry out I section except cyanogen, Copper treatment be the core of the present invention, low concentration contains
Effluent of cuprous cyanide use this core technology carry out I section except after cyanogen, copper, its total copper, total cyanogen removal rate all up to 83%～92%.
(2) I sections except after cyanogen, copper waste water use again except cyanogen agent B carry out II section except cyanogen, copper time, except cyanogen agent B consumption relatively
Few, directly use except cyanogen agent B carries out to save 70%～85% compared with when cyanogen, copper with this mine low concentration containing Effluent of cuprous cyanide, pole
Big reduces reagent consumption cost.
(3) mine low concentration uses the combination new technique of the present invention to process containing Effluent of cuprous cyanide, not only has technique stream
Short, simple to operate, invest little, strong adaptability, medicament and production cost is low, environmental friendliness and the easily advantage such as industrialization, Er Qieneng
Realizing total cyanogen, the discharge of total copper stably reaching standard and the high efficiente callback of copper, economic, society and environmental benefit are huge.
Detailed description of the invention
Below in conjunction with specific embodiment, mine of the present invention low concentration is contained the integrated conduct method work of Effluent of cuprous cyanide further
Describe in detail.
Embodiment 1
The low concentration produced during cyanidation gold-extracted with the low-grade copper gold in Fujian is containing Effluent of cuprous cyanide for processing object, and it gives up
Water cupric 141mg/L, containing cyanogen 146mg/L.
The low concentration integrated conduct method containing Effluent of cuprous cyanide in mine of the present invention operates the most according to the following steps:
The first step, I section except cyanogen, copper: by the mine low concentration first order reaction groove containing the stirring of Effluent of cuprous cyanide ribbon feeder tool, simultaneously to
Adding cuprous sulfide slag in first order reaction groove, this cuprous sulfide slag is total copper, total cyanogen concentration to be all higher than by first acid adding
The mine of the 200mg/L pH value containing Effluent of cuprous cyanide adds dissolvable sulfide solution again after being adjusted to 3～5 and processes the cuprous sulfide of gained
Slag, it adds quality is process wastewater volume amount 10%, carries out I section and removes cyanogen, copper reaction 120min, and anti-except cyanogen, copper at I section
Controlling solution ph during Ying is 9～10, after reaction terminates, obtains I section and removes cyanogen, the slurry 1 of copper, and at first order reaction groove
Slurry exit adds polyacrylamide flocculant.
Second step, I section of solid-liquid separation: I section after addition polyacrylamide flocculant is dense from flowing to except the slurry 1 of cyanogen, copper
Close machine 1 carries out I section of dense sedimentation, obtains I section of dense sedimentation underflow and I section of dense settler overflow, and I section of dense sedimentation underflow is adopted again
Filtrate and high-grade copper concentrate product is obtained with Filter Press.
3rd step, II section except cyanogen, copper: by I section of dense settler overflow of second step and the filtrate ribbon feeder tool of Filter Press
In the secondary response groove of stirring, adding hydrogen peroxide in secondary response groove, it adds quality is I section of dense settler overflow body simultaneously
Long-pending 0.05%, carries out II section and removes cyanogen, copper reaction 60min, after reaction terminates, obtain II section and remove cyanogen, the slurry 2 of copper, and at two grades
The slurry exit of reactive tank adds polyacrylamide flocculant.
4th step, II section of solid-liquid separation: II section after adding polyacrylamide flocculant send dense except cyanogen, the slurry 2 of copper
Close machine 2 carries out II section of dense sedimentation, obtains II section of dense sedimentation underflow and II section of dense settler overflow, II section of dense settler overflow
Direct standard discharge after its pH value being adjusted to about 7.5 by acid adding, II section of dense sedimentation underflow is all back to first order reaction
The slurry exit of groove.
Embodiment 2
Effluent of cuprous cyanide is contained for processing object, its waste water with the low concentration that Huichun Station of Jilin Province copper gold produces during cyanidation gold-extracted
Cupric 107mg/L, containing cyanogen 112mg/L.
The low concentration integrated conduct method containing Effluent of cuprous cyanide in mine of the present invention operates the most according to the following steps:
The first step, I section except cyanogen, copper: by the mine low concentration first order reaction groove containing the stirring of Effluent of cuprous cyanide ribbon feeder tool, simultaneously to
Adding sulfuration copper ashes in first order reaction groove, this sulfuration copper ashes is that copper-containing acid waste water of mine is by adding at dissolvable sulfide solution
The sulfuration copper ashes of gained after reason, it adds quality is process wastewater volume amount 6%, carries out I section and removes cyanogen, copper reaction 90min, and
Removing control solution ph in cyanogen, copper course of reaction at I section is 9～10, after reaction terminates, obtains I section and removes cyanogen, the slurry 1 of copper, and
Polyacrylamide flocculant is added in the slurry exit of first order reaction groove.
Second step, I section of solid-liquid separation: I section after addition polyacrylamide flocculant is dense from flowing to except the slurry 1 of cyanogen, copper
Close machine 1 carries out I section of dense sedimentation, obtains I section of dense sedimentation underflow and I section of dense settler overflow, and I section of dense sedimentation underflow is adopted again
Filtrate and high-grade copper concentrate product is obtained with Filter Press.
3rd step, II section except cyanogen, copper: by I section of dense settler overflow of second step and the filtrate ribbon feeder tool of Filter Press
In the secondary response groove of stirring, adding bleaching powder in secondary response groove, it adds quality is I section of dense settler overflow body simultaneously
Long-pending 0.1%, carries out II section and removes cyanogen, copper reaction 90min, after reaction terminates, obtain II section and remove cyanogen, the slurry 2 of copper, and at two grades
The slurry exit of reactive tank adds polyacrylamide flocculant.
4th step, II section of solid-liquid separation: II section after adding polyacrylamide flocculant send dense except cyanogen, the slurry 2 of copper
Close machine 2 carries out II section of dense sedimentation, obtains II section of dense sedimentation underflow and II section of dense settler overflow, II section of dense settler overflow
Direct standard discharge after its pH value being adjusted to about 8.5 by acid adding, II section of dense sedimentation underflow is all back to first order reaction
The slurry exit of groove.
Embodiment 3
Effluent of cuprous cyanide is contained for processing object, its waste water cupric with the low concentration that Sichuan copper gold produces during cyanidation gold-extracted
87mg/L, containing cyanogen 90mg/L.
The low concentration integrated conduct method containing Effluent of cuprous cyanide in mine of the present invention operates the most according to the following steps:
The first step, I section except cyanogen, copper: by the mine low concentration first order reaction groove containing the stirring of Effluent of cuprous cyanide ribbon feeder tool, simultaneously to
Adding cuprous sulfide slag in first order reaction groove, this cuprous sulfide slag is total copper, total cyanogen concentration to be all higher than by first acid adding
The mine of the 200mg/L pH value containing Effluent of cuprous cyanide adds dissolvable sulfide solution again after being adjusted to 3～5 and processes the cuprous sulfide of gained
Slag, it adds quality is process wastewater volume amount 2%, carries out I section and removes cyanogen, copper reaction 180min, and at I section except cyanogen, copper reaction
During to control solution ph be 9～10, after reaction terminates, obtain I section except cyanogen, the slurry 1 of copper, and at the slag of first order reaction groove
Slurry exit adds polyacrylamide flocculant.
Second step, I section of solid-liquid separation: I section after addition polyacrylamide flocculant is dense from flowing to except the slurry 1 of cyanogen, copper
Close machine 1 carries out I section of dense sedimentation, obtains I section of dense sedimentation underflow and I section of dense settler overflow, and I section of dense sedimentation underflow is adopted again
Filtrate and high-grade copper concentrate product is obtained with Filter Press.
3rd step, II section except cyanogen, copper: by I section of dense settler overflow of second step and the filtrate ribbon feeder tool of Filter Press
In the secondary response groove of stirring, adding liquor natrii hypochloritis in secondary response groove, it adds quality is I section of dense sedimentation simultaneously
The 0.1% of overflow volume, carries out II section and removes cyanogen, copper reaction 70min, after reaction terminates, obtain II section and remove cyanogen, the slurry 2 of copper, and
Polyacrylamide flocculant is added in the slurry exit of secondary response groove.
4th step, II section of solid-liquid separation: II section after adding polyacrylamide flocculant send dense except cyanogen, the slurry 2 of copper
Close machine 2 carries out II section of dense sedimentation, obtains II section of dense sedimentation underflow and II section of dense settler overflow, II section of dense settler overflow
Direct standard discharge after its pH value being adjusted to about 8.0 by acid adding, II section of dense sedimentation underflow is all back to first order reaction
The slurry exit of groove.
The comprehensive technical indexes of each embodiment is shown in Table 1.
Table 1 each embodiment copper concentrate and outer draining analysis result
Contrast three above embodiment, the comprehensive technical indexes of embodiment 1 is more preferable, is most preferred embodiment.
It should be pointed out that, above-described embodiment is only the present invention preferably embodiment, on the application of the present invention is not limited to
State citing, for those of ordinary skills, under the premise without departing from the principles of the invention, it is also possible to according to the above description
Being improved or modify, all these improvement or modification all should fall in the protection domain of the claims in the present invention.
Claims (7)
1. a mine low concentration integrated conduct method containing Effluent of cuprous cyanide, is characterized in that: operating procedure and technological parameter are as follows:
The first step, I section except cyanogen, copper: is sent into containing Effluent of cuprous cyanide by mine low concentration and carries in churned mechanically first order reaction groove, simultaneously
In first order reaction groove add cupric sulphur compound slag except cyanogen agent A carry out I section except cyanogen, copper reaction, the response time 90～
180min, controlling solution ph in course of reaction is 9～10, and reaction obtains I section and removes cyanogen, the slurry 1 of copper after terminating, and in one-level
The slurry exit of reactive tank adds polyacrylamide flocculant；
Second step, I section of solid-liquid separation: I section after addition polyacrylamide flocculant flow to concentrator 1 certainly except the slurry 1 of cyanogen, copper
Carrying out I section of dense sedimentation, obtain I section of dense sedimentation underflow and I section of dense settler overflow, I section of dense sedimentation underflow uses pressure again
Filter is filtrated to get filtrate and high-grade copper concentrate product；
3rd step, II section except cyanogen, copper: the filtrate of I section of dense settler overflow of second step and Filter Press is sent into band machinery and stirs
In the secondary response groove mixed, in secondary response groove, add oxidant simultaneously remove cyanogen, copper reaction, reaction except cyanogen agent B carries out II section
Time 60～90min, reaction obtains II section and removes cyanogen, the slurry 2 of copper, and adds in the slurry exit of secondary response groove after terminating
Polyacrylamide flocculant；
4th step, II section of solid-liquid separation: II section after adding polyacrylamide flocculant send concentrator 2 except cyanogen, the slurry 2 of copper
Carrying out II section of dense sedimentation, obtain II section of dense sedimentation underflow and II section of dense settler overflow, II section of dense settler overflow passes through
Acid adding is direct standard discharge after its pH value is adjusted to 6～9, and II section of dense sedimentation underflow is all back to the slurry of first order reaction groove
Exit.
A kind of mine the most as claimed in claim 1 low concentration integrated conduct method containing Effluent of cuprous cyanide, is characterized in that: described cupric
Sulphur compound slag all use copper sulphur compound slag at the operation initial stage except cyanogen agent A；After system smooth running be I section dense heavy
Fall underflow and copper sulphur compound slag are by the mixing slag that butt mass ratio is 9:1～7:3.
A kind of mine the most as claimed in claim 1 or 2 low concentration integrated conduct method containing Effluent of cuprous cyanide, is characterized in that: described
Copper sulphur compound slag is by first acid adding, total copper, total cyanogen concentration to be all higher than the mine of the 200mg/L pH value containing Effluent of cuprous cyanide and adjusted
To 3～5, add dissolvable sulfide solution again process the cuprous sulfide slag of gained.
A kind of mine the most as claimed in claim 1 or 2 low concentration integrated conduct method containing Effluent of cuprous cyanide, is characterized in that: described
Cuprous sulfide slag is that copper-containing acid waste water of mine adds the sulfuration copper ashes of gained after dissolvable sulfide solution processes.
A kind of mine the most as claimed in claim 1 or 2 low concentration integrated conduct method containing Effluent of cuprous cyanide, is characterized in that: described
Except the addition quality of cyanogen agent A is process wastewater volume amount 2%～10%.
A kind of mine the most as claimed in claim 1 low concentration integrated conduct method containing Effluent of cuprous cyanide, is characterized in that: described oxidation
Agent is H except cyanogen agent B2O2Or the one in liquor natrii hypochloritis or bleaching powder.
7. a kind of mine low concentration integrated conduct method containing Effluent of cuprous cyanide as described in claim 1 or 6, is characterized in that: described
Oxidant is except addition quality is I section of dense settler overflow volume the 0.05%～0.1% of cyanogen agent B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610684083.XA CN106219807B (en) | 2016-08-18 | 2016-08-18 | Integrated conduct method of the mine low concentration containing Effluent of cuprous cyanide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610684083.XA CN106219807B (en) | 2016-08-18 | 2016-08-18 | Integrated conduct method of the mine low concentration containing Effluent of cuprous cyanide |
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| Publication Number | Publication Date |
|---|---|
| CN106219807A true CN106219807A (en) | 2016-12-14 |
| CN106219807B CN106219807B (en) | 2019-01-11 |
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| CN201610684083.XA Active CN106219807B (en) | 2016-08-18 | 2016-08-18 | Integrated conduct method of the mine low concentration containing Effluent of cuprous cyanide |
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| CN107055867A (en) * | 2017-04-20 | 2017-08-18 | 广东省博罗县湘澧精细化工有限公司 | A kind of copper-removing method of the waste liquid of copper containing low concentration |
| CN110092406A (en) * | 2018-01-29 | 2019-08-06 | 惠州Tcl环境科技有限公司 | A kind of method of cuprous cyanide harmless treatment |
| CN110216023A (en) * | 2019-07-04 | 2019-09-10 | 长春黄金研究院有限公司 | A kind of Copper Ores production return water purification method |
| CN114000859A (en) * | 2021-10-25 | 2022-02-01 | 紫金矿业集团股份有限公司 | Mining device and mining method based on leaching mining method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107055867A (en) * | 2017-04-20 | 2017-08-18 | 广东省博罗县湘澧精细化工有限公司 | A kind of copper-removing method of the waste liquid of copper containing low concentration |
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| CN110216023A (en) * | 2019-07-04 | 2019-09-10 | 长春黄金研究院有限公司 | A kind of Copper Ores production return water purification method |
| CN114000859A (en) * | 2021-10-25 | 2022-02-01 | 紫金矿业集团股份有限公司 | Mining device and mining method based on leaching mining method |
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