CN107840424A - A kind of method of the efficient separate-recycling of lead-zinc metallogenic belt beneficiation wastewater - Google Patents
A kind of method of the efficient separate-recycling of lead-zinc metallogenic belt beneficiation wastewater Download PDFInfo
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- CN107840424A CN107840424A CN201711073367.6A CN201711073367A CN107840424A CN 107840424 A CN107840424 A CN 107840424A CN 201711073367 A CN201711073367 A CN 201711073367A CN 107840424 A CN107840424 A CN 107840424A
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- water
- zinc
- lead
- overflow water
- sewage disposal
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000002351 wastewater Substances 0.000 title claims abstract description 23
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 238000004064 recycling Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 239000010865 sewage Substances 0.000 claims abstract description 24
- 239000010802 sludge Substances 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 230000011218 segmentation Effects 0.000 claims abstract description 3
- 239000012141 concentrate Substances 0.000 claims description 40
- 239000011701 zinc Substances 0.000 claims description 33
- 229910052725 zinc Inorganic materials 0.000 claims description 32
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 239000005864 Sulphur Substances 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 14
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 9
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 6
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 6
- 239000004571 lime Substances 0.000 claims description 6
- 238000007885 magnetic separation Methods 0.000 claims description 6
- 239000000701 coagulant Substances 0.000 claims description 4
- 230000008719 thickening Effects 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 10
- 239000011707 mineral Substances 0.000 abstract description 10
- 238000005188 flotation Methods 0.000 abstract description 8
- 239000003814 drug Substances 0.000 abstract description 7
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 3
- 239000011572 manganese Substances 0.000 description 10
- 229910052748 manganese Inorganic materials 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 238000000498 ball milling Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- LWUVWAREOOAHDW-UHFFFAOYSA-N lead silver Chemical compound [Ag].[Pb] LWUVWAREOOAHDW-UHFFFAOYSA-N 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000006228 supernatant Substances 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (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)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of method of the efficient separate-recycling of lead-zinc metallogenic belt beneficiation wastewater, this method is segmentation concentration body stoste sub-prime direct reuse, a small amount of end water reasonable sanding fully recovering, sludge caused by sewage disposal system returns to production system comprehensive utilization, and the influence of harmful ion and medicament to each operation flotation atmosphere of flotation is greatly reduced in this method.The present invention has the characteristics that sewage load, reduction cost for wastewater treatment, saving beneficiation reagent, stable raising mineral processing index, recycling sludge, which is greatly reduced, to be utilized.
Description
Technical field
The invention belongs to beneficiation wastewater reuse field, is that a kind of lead-zinc metallogenic belt beneficiation wastewater efficiently divides specifically
The method of matter reuse.
Background technology
It is increasingly tighter with environmental protection requirement, environmental requirement to beneficiation wastewater also more and more higher.Beneficiation wastewater will
Qualified discharge is handled, not only intractability is big, and processing cost is very high, still has pollution to external environment condition.How golden lead zinc is
The beneficiation wastewater of category ore deposit, which belongs to, relates to weight waste water, belongs to national severe management and control scope, many mines are not because reaching requirement, pollution environment
And close.Lead-zinc metallogenic belt ore dressing is because the metal for needing to reclaim is more, and ore-dressing technique is complicated, technological process length, system production
Raw water is more, waste component is more complicated, and reuse influence index is big, and intractability up to standard is big.
At present, the processing mode of beneficiation wastewater use is mainly：Caused waste water is fully entered at sewage in mineral processing production
Reason system, processing backwater amount are big；Containing a variety of Residuals in beneficiation wastewater, sewage disposal needs to add certain medicament,
And complex process；Sludge quantity caused by sewage disposal system is big, easily causes secondary pollution；The cost of whole beneficiation wastewater reuse compared with
It is high.
The content of the invention
It is an object of the invention to provide a kind of method of the efficient separate-recycling of lead-zinc metallogenic belt beneficiation wastewater, this method was both
The Residuals in original recycle-water can be efficiently utilized, reduce beneficiation reagent cost, stablizes improve mineral processing index to greatest extent；
Wastewater treatment water is greatly decreased in and can, reduces cost for wastewater treatment；And waste water processes are simple, efficient；Sewage disposal is produced
Raw recycling sludge utilizes, and this beneficiation wastewater reuse method does not produce new pollution.
The technical scheme is that：The method of the efficient separate-recycling of lead-zinc metallogenic belt beneficiation wastewater, segmentation concentration
Body stoste sub-prime direct reuse, a small amount of end water reasonable sanding fully recovering, sludge caused by sewage disposal system return to life
Production system comprehensively utilizes.
In the above method, raw ore concentration overflow water and lead concentrate concentrate overflow water direct reuse in ball grinder graded operation and choosing
Lead exposed.Raw ore concentrates overflow water and lead concentrate concentration overflow water contains the medicament added in lead Beneficiation flowsheet, this two parts water
Water quality is limpider, returns to ball grinder graded operation directly as lead stoste after natural sedimentation and selects lead silver operation.
In the above method, concentrating of zinc tailings overflow water and zinc concentrate concentration overflow water direct reuse are in selecting zinc operation and iron concentrate
Foam brews water.Concentrating of zinc tailings overflow water and zinc concentrate concentration overflow water belong to high buck, contain in water and select what zinc flow was added
Medicament, and water quality is limpider, is returned directly as zinc stoste and selects zinc operation to brew water, iron concentrate foam using with iron concentrate foam
Flushing water uses high buck, is advantageous to iron concentrate sedimentation filtration.
In the above method, Tailing thickening overflow water direct reuse is in selecting sulphur operation and magnetic separation Mn resource.Manganic concerntrate concentration is overflow
Flowing water direct reuse is in selecting sulphur operation and magnetic separation Mn resource.Tailing thickening overflow water and manganic concerntrate concentration overflow water water quality are limpid,
Returned directly as sulphur stoste and select sulphur operation and magnetic separation manganese systems to unite and use.
In the above method, fully recovering is back to ball after remaining waste water-end water enters sewage disposal system reasonable sanding
Mill is classified and selects Lead exposed point, realizes that beneficiation wastewater all recycles.Sewage disposal system addition lime adjustment pH value of sewage water
7-9, addition coagulant PAC reach 30-50ppm, and addition flocculant PAM reaches 1-5ppm.
Mine tailing with the addition of a small amount of flocculant PAM before entering vertical sand warehouse；It is more clear in acid and water quality that dewatering system filters water
It is clear, it can directly return to dewatering system use.
In the above method, sludge caused by sewage disposal system returns to iron concentrate concentration basin, and iron concentrate in the lump make by output
For product.Mineral into sewage disposal system are mainly fine grained troilite, into sewage disposal system precipitation process after again
Pyrite Concentrate Dewatering concentration basin is returned to be comprehensively utilized.
In the above method, raw ore concentration overflow water and lead concentrate concentrate overflow water and ball milling point are directly returned after natural sedimentation
Level and select Lead exposed to use；Concentrating of zinc tailings overflow water and zinc concentrate concentrate overflow water, and directly zinc operation is selected in return after natural sedimentation
Used using water is brewed with iron concentrate foam tank；Mine tailing and manganic concerntrate concentration overflow water directly return and select sulphur operation and magnetic separation manganese to make
Industry uses；Remaining other waste water enter sewage disposal system, and coagulant PAC, flocculant PAM are added after lime adjusts pH value,
Return again to ball grinder graded after processing and select the settings such as lead to use；Sludge caused by sewage disposal（Predominantly fine grained troilite）
Return to the mixing of iron concentrate concentration basin and be used as product output.
The method of the present invention, have and influence to each operation flotation atmosphere of flotation of harmful ion and medicament, big is greatly reduced
Amplitude reduces sewage load, reduces cost for wastewater treatment, saves beneficiation reagent, stable raising mineral processing index, recycling sludge
The advantages that utilization.
Brief description of the drawings
Fig. 1 is the process flow diagram of the present invention.
Embodiment
Embodiment 1
Certain lead zinc sulphur manganese polymetallic ore mine, the polynary category content of lead zinc sulphur manganese polymetallic ore raw ore: Pb 1.65%,Zn
2.44%, S 30%, mineral processing circuit are：The more metal raw ores of lead zinc sulphur manganese carry out raw ore after grinding-classification operation and are concentrated into
Concentration 50%, then carry out selecting lead successively（Silver）Operation, select zinc operation；Select after zinc operation again through concentrating of zinc tailings to concentration 50%, then according to
It is secondary to carry out selecting sulphur operation, select Mn resource, select manganese mine tailing after sand warehouse deposition dehydrating plus cement enters underground consolidated fill.
Raw ore concentrates overflow water and lead concentrate concentration overflow water directly returns to ball grinder graded operation and choosing after simple precipitation
Lead exposed uses；Directly returned after concentrating of zinc tailings overflow water and the zinc concentrate concentration concentrated precipitation of overflow water and select Zn system and be used as
Iron concentrate foam tank flushing water；Tailing thickening overflow water and manganic concerntrate concentration overflow water directly return and select sulphur system, magnetic separation manganese systems
System uses；Remaining waste water enters sewage disposal system, after coagulant PAC, flocculant PAM processing are added after lime adjusts pH value
Return ball grinder graded and select the settings such as lead to use；Sludge caused by sewage disposal system returns to iron concentrate concentration basin as product
Output, realize comprehensive utilization.
Production sample ore is taken to do ball milling and select Lead exposed water contrast test, comparing result is shown in Table 1：
Table 1：Select lead water test comparing result
As can be seen from Table 1：Ball milling operation and select Lead exposed add water using raw ore and lead concentrate mixing concentration overflow water with from
Carry out wet concentration lead index to compare, the main grade of lead concentrate is close, and lead concentrate lead recovery is also improved, but mixes using raw ore and lead concentrate
That closes concentration overflow water selects the lead medicament range of decrease obvious：Lime consumption declines to a great extent, and terpenic oil no longer adds, collecting agent and inhibitor
There is a certain degree of decline.Mineral processing production is using raw ore and lead concentrate mixing concentration overflow water, before mineral processing index is ensured
Put, be advantageous to save it is fresh use water, while advantageously reduce floating agent dosage.
Embodiment 2
Embodiment 2 selects Lead exposed mine tailing from sample ore for embodiment 1, selects zinc operation water contrast test, comparing result is shown in
Table 2：
Table 2：Select zinc operation water test comparing result
As can be seen from Table 2：Zinc operation is selected to add water using zinc tail and zinc concentrate mixing concentration overflow water and originally wet concentration zinc finger
Mark is compared, and selects zinc recovery close, but selects the zinc medicament range of decrease obvious using zinc tail and zinc concentrate mixing concentration overflow water.Ore dressing
Production is using zinc tail and zinc concentrate mixing concentration overflow water, on the premise of mineral processing index is ensured, be advantageous to save it is fresh use water,
Advantageously reduce floating agent dosage simultaneously.
Embodiment 3
Embodiment 3 selects raw ore same as Example 1, and iron concentrate concentration overflow water and the mixing of other systems superfluous water are laggard
Row waste water reasonable sanding, lime adjustment pH value of sewage water 7-9, PAC 30-50ppm, PAM 1-5ppm are added, is taken after standing 5 minutes
Supernatant participates in lead zinc sulphur whole process flotation contrast and uses water contrast test, and comparing result is shown in Table 3：
Table 3：Lead zinc sulphur flotation operation water test comparing result
As can be seen from Table 3：Flotation of lead zinc sulphur flotation operation adds water using reasonable sanding water compared with running water index, ore dressing
Index is close.It is feasible that reasonable sanding water is used for mineral processing production, it is possible to reduce the dosage of fresh water.
Claims (8)
1. a kind of method of the efficient separate-recycling of lead-zinc metallogenic belt beneficiation wastewater, it is characterized in that：Segmentation concentration body stoste point
Matter direct reuse, a small amount of end water reasonable sanding fully recovering, sludge caused by sewage disposal system return to production system synthesis
Utilize.
2. the method according to claim 11, it is characterized in that：Raw ore concentrates overflow water and lead concentrate concentration overflow water directly returns
For ball grinder graded operation and select Lead exposed.
3. the method according to claim 11, it is characterized in that：Concentrating of zinc tailings overflow water and zinc concentrate concentration overflow water directly return
For selecting zinc operation and iron concentrate foam to brew water.
4. the method according to claim 11, it is characterized in that：Tailing thickening overflow water direct reuse is in selecting sulphur operation and magnetic separation
Mn resource.
5. the method according to claim 11, it is characterized in that：Manganic concerntrate concentrates overflow water direct reuse in selecting sulphur operation and magnetic
Select Mn resource.
6. the method according to claim 11, it is characterized in that：Remaining waste water-end water enters at sewage disposal system appropriateness
Fully recovering is back to ball grinder graded and selects Lead exposed point after reason, realizes that beneficiation wastewater all recycles.
7. according to the method described in claim 1,6, it is characterized in that：Sewage disposal system addition lime adjustment pH value of sewage water 7-9,
Addition coagulant PAC reaches 30-50ppm, and addition flocculant PAM reaches 1-5ppm.
8. according to the method described in claim 1,6, it is characterized in that：Sludge caused by sewage disposal system returns to iron concentrate concentration
Pond, and iron concentrate in the lump output as product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711073367.6A CN107840424A (en) | 2017-11-04 | 2017-11-04 | A kind of method of the efficient separate-recycling of lead-zinc metallogenic belt beneficiation wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711073367.6A CN107840424A (en) | 2017-11-04 | 2017-11-04 | A kind of method of the efficient separate-recycling of lead-zinc metallogenic belt beneficiation wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107840424A true CN107840424A (en) | 2018-03-27 |
Family
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|---|---|---|---|
| CN201711073367.6A Pending CN107840424A (en) | 2017-11-04 | 2017-11-04 | A kind of method of the efficient separate-recycling of lead-zinc metallogenic belt beneficiation wastewater |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423891A (en) * | 2018-05-24 | 2018-08-21 | 张家港市清泉水处理有限公司 | A kind of sewage disposal system and its processing method containing zinc ion |
| CN109174471A (en) * | 2018-08-28 | 2019-01-11 | 北京矿冶科技集团有限公司 | A kind of automatically cleaning return water processing method |
| CN109647617A (en) * | 2018-12-28 | 2019-04-19 | 江西省宜丰万国矿业有限公司 | A kind of method that non-ferrous metal underground mine tailing proposes iron sulfur reduction |
| CN110420482A (en) * | 2019-08-14 | 2019-11-08 | 中国特种设备检测研究院 | A kind of composite flocculation agent for handling oil-sand mine tailing and the processing method for curing thin tailing |
| CN110759531A (en) * | 2019-11-07 | 2020-02-07 | 南昌航空大学 | Quality-based treatment-grading recycling method for beneficiation wastewater of tungsten-zinc polymetallic ores |
| CN111841876A (en) * | 2020-07-16 | 2020-10-30 | 湖南柿竹园有色金属有限责任公司 | Method for segmented recycling of copper-tin polymetallic ore beneficiation wastewater |
| CN112871462A (en) * | 2021-01-13 | 2021-06-01 | 南京银茂铅锌矿业有限公司 | Beneficiation process method for refined quality-based recycling of lead-zinc sulfide ore wastewater |
| CN115259459A (en) * | 2022-05-05 | 2022-11-01 | 中国矿业大学(北京) | Method for internal recycling of grading branch wastewater flow of concentrating mill |
| CN115821032A (en) * | 2022-12-07 | 2023-03-21 | 广东省科学院资源利用与稀土开发研究所 | Recycling method of lead-zinc ore beneficiation wastewater |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423891A (en) * | 2018-05-24 | 2018-08-21 | 张家港市清泉水处理有限公司 | A kind of sewage disposal system and its processing method containing zinc ion |
| CN109174471A (en) * | 2018-08-28 | 2019-01-11 | 北京矿冶科技集团有限公司 | A kind of automatically cleaning return water processing method |
| CN109647617B (en) * | 2018-12-28 | 2021-09-07 | 江西省宜丰万国矿业有限公司 | Method for extracting iron and reducing sulfur from nonferrous metal underground mine tailings |
| CN109647617A (en) * | 2018-12-28 | 2019-04-19 | 江西省宜丰万国矿业有限公司 | A kind of method that non-ferrous metal underground mine tailing proposes iron sulfur reduction |
| CN110420482A (en) * | 2019-08-14 | 2019-11-08 | 中国特种设备检测研究院 | A kind of composite flocculation agent for handling oil-sand mine tailing and the processing method for curing thin tailing |
| CN110420482B (en) * | 2019-08-14 | 2022-04-05 | 中国特种设备检测研究院 | A composite flocculant for treating oil sand ore tailings and a method for treating mature fine tailings |
| CN110759531A (en) * | 2019-11-07 | 2020-02-07 | 南昌航空大学 | Quality-based treatment-grading recycling method for beneficiation wastewater of tungsten-zinc polymetallic ores |
| CN111841876B (en) * | 2020-07-16 | 2022-08-30 | 湖南柿竹园有色金属有限责任公司 | Method for segmented recycling of copper-tin polymetallic ore beneficiation wastewater |
| CN111841876A (en) * | 2020-07-16 | 2020-10-30 | 湖南柿竹园有色金属有限责任公司 | Method for segmented recycling of copper-tin polymetallic ore beneficiation wastewater |
| CN112871462A (en) * | 2021-01-13 | 2021-06-01 | 南京银茂铅锌矿业有限公司 | Beneficiation process method for refined quality-based recycling of lead-zinc sulfide ore wastewater |
| CN115259459A (en) * | 2022-05-05 | 2022-11-01 | 中国矿业大学(北京) | Method for internal recycling of grading branch wastewater flow of concentrating mill |
| CN115259459B (en) * | 2022-05-05 | 2024-02-02 | 中国矿业大学(北京) | Method for recycling in-process wastewater of sectional quality-dividing branch of concentrating mill |
| CN115821032A (en) * | 2022-12-07 | 2023-03-21 | 广东省科学院资源利用与稀土开发研究所 | Recycling method of lead-zinc ore beneficiation wastewater |
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Application publication date: 20180327 |