CN105016525B - Copper-molybdenum ore beneficiation wastewater treatment method - Google Patents
Copper-molybdenum ore beneficiation wastewater treatment method Download PDFInfo
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- CN105016525B CN105016525B CN201510400927.9A CN201510400927A CN105016525B CN 105016525 B CN105016525 B CN 105016525B CN 201510400927 A CN201510400927 A CN 201510400927A CN 105016525 B CN105016525 B CN 105016525B
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Abstract
The invention discloses a copper-molybdenum ore beneficiation wastewater treatment method, which comprises the following steps: clarifying the copper-molybdenum ore beneficiation wastewater to obtain clarified copper-molybdenum ore beneficiation wastewater; mixing the clarified copper-molybdenum ore beneficiation wastewater with the copper-molybdenum ore rough scavenging tailing slurry according to the weight ratio of 0.1-15: 100, and stirring for at least 2min to complete the copper-molybdenum ore beneficiation wastewater treatment. The method can effectively eliminate the influence of various ions in the copper-molybdenum ore beneficiation wastewater on copper-molybdenum flotation, and has the advantages of simple process, convenient operation and low cost.
Description
Technical field
The present invention relates to copper-molybdenum technical field of beneficiation more particularly to a kind of copper-molybdenum beneficiation wastewater treatment methods.
Background technology
At present, copper-molybdenum ore-dressing technique is first to carry out copper-molybdenum to mix choosing, then carry out copper-cobalt ore mostly.The meeting in copper-cobalt ore
A large amount of beneficiation wastewater is generated, if by being arranged outside these beneficiation wastewaters, not only results in the waste of water resource, and week can be given
Bring serious pollution in collarette border.
With the raising of environmental requirement, copper-molybdenum beneficiation wastewater cannot generally be arranged outside, can only be back to use in beneficiation flowsheet;But
It is to contain different kinds of ions in copper-molybdenum beneficiation wastewater, if by its direct reuse to beneficiation flowsheet, flotation atmosphere can be deteriorated,
Valuable mineral flotation recovery rate is reduced, therefore is badly in need of a kind of economically viable copper-molybdenum beneficiation wastewater processing side in the prior art
Method.
Invention content
For above-mentioned shortcoming of the prior art, the present invention provides a kind of copper-molybdenum beneficiation wastewater treatment method,
The influence of various ion pair copper-molybdenum flotation in copper-molybdenum beneficiation wastewater, and simple for process, operation side can not only be effectively eliminated
Just it is, of low cost.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of copper-molybdenum beneficiation wastewater treatment method, includes the following steps:
Step A carries out clarifying treatment to copper-molybdenum beneficiation wastewater, obtains clarification copper-molybdenum beneficiation wastewater;
Clarification copper-molybdenum beneficiation wastewater is selected Tailings Slurry according to weight ratio 0.1~15 by step B with copper-molybdenum coarse scan:100
Ratio mixes, and stirs at least 2min, that is, completes the processing of copper-molybdenum beneficiation wastewater.
Preferably, in stepb, mixing time is 2~6min.
Preferably, it further includes:By step B treated copper-molybdenum beneficiation wastewater direct reuses to copper-molybdenum flotation flowsheet
In.
Preferably, the copper-molybdenum flotation flowsheet mixes choosing including copper-molybdenum;To step B, treated that copper-molybdenum ore dressing is given up
Water carries out dense press filtration processing, then is back to use copper-molybdenum and mixes and choose.
As seen from the above technical solution provided by the invention, the copper-molybdenum beneficiation wastewater that the embodiment of the present invention is provided
Processing method selects Tailings Slurry according to weight ratio 0.1~15 by copper-molybdenum beneficiation wastewater is clarified with copper-molybdenum coarse scan:100 ratio is mixed
It closes, so as to make the S in clarification copper-molybdenum beneficiation wastewater2-、SiO3 2-Acid ions is waited to select the Ca in Tailings Slurry with copper-molybdenum coarse scan2+
A series of physics and chemical action occurs, and produces precipitation, this effectively reduces S in copper-molybdenum beneficiation wastewater2-、SiO3 2-Deng
The content of acid ion eliminates influence of these acid ions to copper-molybdenum flotation, and so as to make that treated, copper-molybdenum ore dressing is given up
Water can be in complete-reclaiming to copper-molybdenum flotation flowsheet, and does not interfere with mineral processing index.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for this
For the those of ordinary skill in field, under the premise of behavior is not made the creative labor, it can also be obtained according to these attached drawings
Other accompanying drawings.
Fig. 1 is to apply copper-molybdenum beneficiation wastewater treatment method schematic diagram provided by the present invention.
Fig. 2 is the flow diagram that copper-molybdenum roughing performance testing is carried out in embodiment one.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, the every other implementation that those of ordinary skill in the art are obtained without making creative work
Example, belongs to protection scope of the present invention.
Copper-molybdenum beneficiation wastewater treatment method provided by the present invention is described in detail below.
A kind of copper-molybdenum beneficiation wastewater treatment method, includes the following steps:Include the following steps:
Step A carries out clarifying treatment to copper-molybdenum beneficiation wastewater, obtains clarification copper-molybdenum beneficiation wastewater.
Clarification copper-molybdenum beneficiation wastewater is selected Tailings Slurry according to weight ratio 0.1~15 by step B with copper-molybdenum coarse scan:100
Ratio mixes, and stirs at least 2min, that is, completes the processing of copper-molybdenum beneficiation wastewater.
Wherein, clarification copper-molybdenum beneficiation wastewater selects Tailings Slurry preferably according to weight ratio 0.1~15 with copper-molybdenum coarse scan:100
Ratio mixing, if this is because clarification copper-molybdenum beneficiation wastewater dosage it is excessive, then copper-molybdenum coarse scan is selected in Tailings Slurry
Ca2+Number can not meet S in clarification copper-molybdenum beneficiation wastewater2-、SiO3 2-Wait the demand of acid ions.Mixing time is best
For 2~6min, if mixing time is less than 2min, the S in copper-molybdenum beneficiation wastewater is clarified2-、SiO3 2-Wait acid ions can not
The Ca in Tailings Slurry is selected with copper-molybdenum coarse scan2+Fully reaction, and 2~6min can just make in clarification copper-molybdenum beneficiation wastewater
S2-、SiO3 2-Acid ions is waited to select the Ca in Tailings Slurry with copper-molybdenum coarse scan2+Fully reaction, therefore be not necessarily to expend long
Mixing time.As shown in Figure 1, completing step B treated that copper-molybdenum beneficiation wastewater can be with direct reuse to copper-molybdenum flotation stream
Cheng Zhong, such as:Complete step B treated that copper-molybdenum beneficiation wastewater can be put into back pool after dense press filtration processing
In, and used when progress copper-molybdenum is mixed and selected as ore grinding with liquid.
Specifically, the operation principle of the copper-molybdenum beneficiation wastewater treatment method is as follows:Mainly contain in copper-molybdenum beneficiation wastewater
There is Cu2+、S2-、SiO3 2-Plasma, wherein the mainly S that flotation atmosphere can be caused to deteriorate2-、SiO3 2-Grade acid ions, and copper-molybdenum
Ore deposit coarse scan, which is selected, contains Ca in Tailings Slurry2+, therefore when copper-molybdenum beneficiation wastewater will be clarified Tailings Slurry is selected with copper-molybdenum coarse scan in proportion
After mixing, the S in copper-molybdenum beneficiation wastewater is clarified2-、SiO3 2-Wait acid ions that can select the Ca in Tailings Slurry with copper-molybdenum coarse scan2+
A series of physics and chemical action occurs, production precipitation, this can effectively reduce S in copper-molybdenum beneficiation wastewater2-、SiO3 2-Deng
The content of acid ion eliminates influence of these acid ions to copper-molybdenum flotation, and so as to make that treated, copper-molybdenum ore dressing is given up
Water can complete-reclaiming to copper-molybdenum roughing operation, scan in the copper-molybdenums flotation flowsheet such as operation, and do not interfere with ore dressing and refer to
Mark.Due to the copper-molybdenum beneficiation wastewater treatment method and additional agent is not added with, is only using the production in copper-molybdenum flotation flowsheet
Object (i.e. Tailings Slurry is selected in copper-molybdenum coarse scan), therefore the copper-molybdenum beneficiation wastewater treatment method is of low cost.
It is floated it can be seen that the embodiment of the present invention can not only effectively eliminate various ion pair copper-molybdenums in copper-molybdenum beneficiation wastewater
The influence of choosing, and it is simple for process, easy to operate, of low cost.
In order to more clearly from show technical solution provided by the present invention and generated technique effect, below with several
Specific embodiment is simultaneously described in detail with reference to the copper-molybdenum beneficiation wastewater treatment method that attached drawing provides the embodiment of the present invention.
Embodiment one
As shown in Fig. 2, the copper-molybdenum green ore of six parts of equivalent is taken to carry out six copper-molybdenum roughing performance testings respectively;Every part of copper
Lime (dosage of lime adds in 1000 grams of lime for copper-molybdenum green ore per ton) is separately added into molybdenum ore raw ore, and is respectively adopted down
Ore grinding in table 1 carries out ore grinding with liquid, and ore grinding is differed with liquid used by arbitrary two parts of copper-molybdenum green ores.For every
For part copper-molybdenum, when copper-molybdenum particle of the granularity no more than 0.074mm accounts for the 75% of every part of copper-molybdenum total weight, stop mill
Ore deposit, and into the copper-molybdenum after ore grinding, (dosage of butyl xanthate adds in 150 to addition butyl xanthate for copper-molybdenum green ore per ton respectively
Gram butyl xanthate), butyl ammonium aerofloat (dosage of butyl ammonium aerofloat adds in 20 grams of butyl ammonium aerofloats for copper-molybdenum green ore per ton) and No. 2 oil (2
Number oily dosage adds in 20 grams of No. 2 oil for copper-molybdenum green ore per ton), it is stirred for 2min;Then the copper-molybdenum for carrying out 5min again is thick
It is elected to be industry, you can obtain copper-molybdenum rough concentrate and copper-molybdenum rougher tailings.
Table 1:
Test number | The ore grinding liquid used |
It tests for the first time | All using clear water |
Second of experiment | Tailings Slurry is all selected using copper-molybdenum coarse scan |
Third time is tested | Clarification copper-molybdenum beneficiation wastewater and copper-molybdenum coarse scan is all used to select the weight ratio of Tailings Slurry as 5:100 |
4th experiment | Clarification copper-molybdenum beneficiation wastewater and copper-molybdenum coarse scan is all used to select the weight ratio of Tailings Slurry as 10:100 |
5th experiment | Clarification copper-molybdenum beneficiation wastewater and copper-molybdenum coarse scan is all used to select the weight ratio of Tailings Slurry as 15:100 |
6th experiment | All using untreated copper-molybdenum beneficiation wastewater |
The experimental result of this six times experiments can be as shown in table 2 below:
Table 2:
Knowable to being compared to the data in table 2:In the 6th experiment, the either grade and the rate of recovery of copper,
Or the grade and the rate of recovery of molybdenum, test much lower several times than remaining, this illustrates that untreated copper-molybdenum beneficiation wastewater is straight
It takes back to use and very big negative effect can be generated to copper-molybdenum flotation flowsheet.And in clarification copper-molybdenum beneficiation wastewater and copper-molybdenum coarse scan
Select Tailings Slurry respectively according to 5:100、10:100 and 15:During 100 weight ratio mixing, the either grade and the rate of recovery of copper, also
The grade and the rate of recovery of molybdenum, almost with all selecting Tailings Slurry using copper-molybdenum coarse scan when there is no a difference, and only than complete
It is more slightly lower when portion is using clear water, it can be seen that, the copper-molybdenum beneficiation wastewater treatment method provided according to the embodiment of the present invention
Treated, and copper-molybdenum beneficiation wastewater hardly has an impact the flotation of copper-molybdenum, thus can direct reuse completely to copper-molybdenum
Ore deposit roughing operation is scanned in the copper-molybdenums flotation flowsheet such as operation.
To sum up, the embodiment of the present invention can not only effectively eliminate various ion pair copper-molybdenums in copper-molybdenum beneficiation wastewater and float
The influence of choosing, and it is simple for process, easy to operate, of low cost.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (2)
1. a kind of copper-molybdenum beneficiation wastewater treatment method, which is characterized in that include the following steps:
Step A carries out clarifying treatment to copper-molybdenum beneficiation wastewater, obtains clarification copper-molybdenum beneficiation wastewater;
Clarification copper-molybdenum beneficiation wastewater is selected Tailings Slurry according to weight ratio 0.1~15 by step B with copper-molybdenum coarse scan:100 ratio
Mixing, and stir 2~6min, that is, complete the processing of copper-molybdenum beneficiation wastewater;By step B, treated that copper-molybdenum beneficiation wastewater is direct
It is back to use in copper-molybdenum flotation flowsheet.
2. copper-molybdenum beneficiation wastewater treatment method according to claim 1, which is characterized in that the copper-molybdenum flotation stream
Journey mixes choosing including copper-molybdenum;Dense press filtration processing is carried out, then be back to use copper-molybdenum to step B treated copper-molybdenum beneficiation wastewaters
It is mixed to choose.
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