CN104060301B - A kind of waste electrolyte processing system and method - Google Patents
A kind of waste electrolyte processing system and method Download PDFInfo
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- CN104060301B CN104060301B CN201410192324.XA CN201410192324A CN104060301B CN 104060301 B CN104060301 B CN 104060301B CN 201410192324 A CN201410192324 A CN 201410192324A CN 104060301 B CN104060301 B CN 104060301B
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- 239000002699 waste material Substances 0.000 title claims abstract description 59
- 239000003792 electrolyte Substances 0.000 title claims abstract description 57
- 239000011701 zinc Substances 0.000 claims abstract description 71
- HCHKCACWOHOZIP-UHFFFAOYSA-N zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 70
- 238000004537 pulping Methods 0.000 claims abstract description 51
- 238000005406 washing Methods 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 44
- 239000000706 filtrate Substances 0.000 claims abstract description 37
- 230000005591 charge neutralization Effects 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000001264 neutralization Effects 0.000 claims abstract description 28
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 28
- 239000002253 acid Substances 0.000 claims abstract description 22
- 239000002351 wastewater Substances 0.000 claims abstract description 22
- 230000001105 regulatory Effects 0.000 claims abstract description 17
- 238000003860 storage Methods 0.000 claims abstract description 17
- 238000003672 processing method Methods 0.000 claims abstract description 12
- 238000005516 engineering process Methods 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 40
- 239000010440 gypsum Substances 0.000 claims description 30
- 229910052602 gypsum Inorganic materials 0.000 claims description 30
- 239000002002 slurry Substances 0.000 claims description 20
- 235000019738 Limestone Nutrition 0.000 claims description 17
- 239000006028 limestone Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 17
- 239000002893 slag Substances 0.000 claims description 17
- 239000003500 flue dust Substances 0.000 claims description 15
- 229910000464 lead oxide Inorganic materials 0.000 claims description 15
- SMBGWMJTOOLQHN-UHFFFAOYSA-N lead;sulfuric acid Chemical compound [Pb].OS(O)(=O)=O SMBGWMJTOOLQHN-UHFFFAOYSA-N 0.000 claims description 15
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000006260 foam Substances 0.000 claims description 8
- 238000009854 hydrometallurgy Methods 0.000 claims description 8
- 239000006228 supernatant Substances 0.000 claims description 8
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 5
- 210000000232 Gallbladder Anatomy 0.000 claims description 5
- PIJPYDMVFNTHIP-UHFFFAOYSA-L Lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 claims description 5
- 235000015450 Tilia cordata Nutrition 0.000 claims description 5
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 5
- 239000006071 cream Substances 0.000 claims description 5
- 239000004571 lime Substances 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 5
- 238000002386 leaching Methods 0.000 abstract description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 abstract description 4
- 238000003723 Smelting Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 239000011787 zinc oxide Substances 0.000 abstract description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium monoxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 11
- 239000000292 calcium oxide Substances 0.000 description 5
- 235000012255 calcium oxide Nutrition 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
Abstract
The invention belongs to water-treatment technology field, it is specifically related to a kind of waste electrolyte processing system and method, this processing system includes that the first elevator pump being sequentially connected, neutralization chamber, the first feeding of filter press pump, pressure filter, filtrate storage tank, the second elevator pump, technique sink zinc groove, delivery pump and acid waste water treating stations regulating reservoir, described pressure filter also entrance with pulping and washing groove is connected, and the outlet of pulping and washing groove is connected with pressure filter by the second feeding of filter press pump.Processing system of the present invention saves flow process, reduce floor space, significantly alleviate regular maintenance management workload, simultaneously, the waste electrolyte processing method of the present invention is two sections of neutralisations, back segment neutralizes in the zinc oxide leaching section that can be merged into smelting process and is neutralized heavy zinc in heavy zinc groove, is greatly improved the recovery utilization rate of zinc.
Description
Technical field
The present invention relates to a kind of waste electrolyte processing system and method, belong to water-treatment technology field.
Background technology
Lead And Zinc Smelter potroom periodically can discharge electrolysis waste solution, its sulfuric acid concentration about 160-180g/L, possibly together with the composition such as Zn of 40-60 g/L.Traditional handicraft generally individually uses quick lime to be neutralized, and the waste residue of generation send slag field store up or take out on a small quantity after filter-press dehydration, and filtrate send general acidic Waste Water Treatment to process, and so can bring following drawback:
1, waste electrolyte processes acidity relatively greatly, and general employing quick lime processes, and need to use a large amount of quick lime, and consumption is big, cost height；
2, waste electrolyte processing system process output gypsum tailings not only slag type is bad, and impurity is many, and crystal water content is big, and slag dehydration difficulty is bigger；
3, in waste electrolyte and the pressing filtering liquid of slag send general acidic Waste Water Treatment, it is unfavorable for the recycling of valuable composition；
4, waste electrolyte typically uses two sections to neutralize two sections of dense handling processes, although high treating effect, but flow process is longer, and maintenance management workload is big.
In sum, how overcoming the deficiencies in the prior art is a problem needing solution badly.
Summary of the invention
The invention aims to solve the deficiencies in the prior art, a kind of waste electrolyte processing system and method are provided, this processing system saves flow process, reduce floor space, significantly alleviating regular maintenance management workload, meanwhile, the waste electrolyte processing method of the present invention is two sections of neutralisations, back segment neutralizes in the zinc oxide leaching section that can be merged into smelting process and is neutralized heavy zinc in heavy zinc groove, is greatly improved the recovery utilization rate of zinc.
The technical solution used in the present invention is as follows:
A kind of waste electrolyte processing system, zinc groove, delivery pump and acid waste water treating stations regulating reservoir is sunk including the first elevator pump being sequentially connected, neutralization chamber, the first feeding of filter press pump, pressure filter, filtrate storage tank, the second elevator pump, technique, described pressure filter also entrance with pulping and washing groove is connected, and the outlet of pulping and washing groove is connected with pressure filter by the second feeding of filter press pump.
The present invention also provides for a kind of waste electrolyte processing method based on above-mentioned waste electrolyte processing system, comprises the steps:
Step (1), the preparation that added water in wet overflow type ball mill by the stone gallbladder produced in limestone, acid waste water processing system lime cream preparation process obtains the limestone slurry that mass percent concentration is 8 ~ 12%；
Or the preparation that added water in wet overflow type ball mill by lead oxide flue dust obtains the lead oxide flue dust slurry that mass percent concentration is 8 ~ 12%；
Step (2), waste electrolyte is raised into neutralization chamber by elevator pump, limestone slurry or the lead oxide flue dust slurry of step (1) is added in neutralization chamber, neutralize waste electrolyte pH to 3-5, put into defoamer to eliminating the foam that vigorous reaction causes simultaneously, then neutralization material is pumped into pressure filter by the first feeding of filter press and carries out a filter pressing, the gypsum tailings being press-filtered out or sulphuric acid lead skim enter pulping and washing groove, it is that 4-6:1 adds water to pulping and washing groove by water and gypsum tailings or lead sulfate slag mass ratio, gypsum tailings or sulphuric acid lead skim are carried out pulping and washing, then the material after pulping and washing is pumped into pressure filter by feeding of filter press and carries out secondary filter pressing, gypsum tailings or the outward transport of sulphuric acid lead skim after filter pressing are stacked or take out；
Step (3), the filtrate that pressure filter is press-filtered out enters filtrate storage tank, and enter hydrometallurgy system by the second elevator pump and sink zinc groove, the i.e. zinc-rich slag of bed mud in heavy zinc groove enters and reclaims zinc technology flow process, and the supernatant in heavy zinc groove enters acid waste water treating stations regulating reservoir by delivery pump and processes.
The moisture content of the gypsum tailings that a filter pressing described in step (2) is press-filtered out is 50-70wt%.
In the filtrate of the secondary filter pressing described in step (2), zinc content is more than 40g/L.
The present invention compared with prior art, its have the beneficial effect that (1) quick lime is changed into limestone and process waste electrolyte, by monthly using 20t Calx, 300 yuan/t of quick lime price, 70 yuan/t of limestone price, the most cost-saved: (300-70) × 20 × 12,=55,200 ten thousand yuan；(2) in waste electrolyte and material through pulping and washing, not only can optimize and neutralize the quality producing gypsum tailings, make smooth in appearance, also can further improve filtrate quality, filtrate zinc content is up to more than 40g/L, filtrate deliver to smelting process leaching section technique sink zinc groove reclaim zinc, be greatly improved the recovery utilization rate of zinc；(3) flow process is saved, reduce floor space, alleviate regular maintenance management workload, and to have total amount little due to waste electrolyte, its processing system can the feature of intermittent duty, sink zinc groove have more than needed disposal ability such that it is able to make full use of leaching section technique, not only reduce investment and the operating cost of its processing system, can fully improve again the response rate of zinc in waste electrolyte.
Accompanying drawing explanation
The waste electrolyte processing system schematic flow sheet of Fig. 1 present invention.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail.
If no special instructions, the reagent and the instrument that are used are conventional products to the present invention.
Embodiment 1
As shown in Figure 1, a kind of waste electrolyte processing system, zinc groove, delivery pump and acid waste water treating stations regulating reservoir is sunk including the first elevator pump being sequentially connected, neutralization chamber, the first feeding of filter press pump, pressure filter, filtrate storage tank, the second elevator pump, technique, described pressure filter also entrance with pulping and washing groove is connected, and the outlet of pulping and washing groove is connected with pressure filter by the second feeding of filter press pump.
The present embodiment waste electrolyte processing method based on above-mentioned waste electrolyte processing system, comprises the steps:
Step (1), the preparation that added water in wet overflow type ball mill by the stone gallbladder produced in limestone, acid waste water processing system lime cream preparation process obtains the limestone slurry that mass percent concentration is 8%；
Step (2), waste electrolyte is raised into neutralization chamber by elevator pump, the limestone slurry of step (1) is added in neutralization chamber, neutralize waste electrolyte pH to 3, put into defoamer to eliminating the foam that vigorous reaction causes simultaneously, then neutralization material is entered pressure filter by the first feeding of filter press pump and carry out a filter pressing, the gypsum tailings being press-filtered out enters pulping and washing groove, it is that 4:1 adds water to pulping and washing groove by water and gypsum tailings mass ratio, gypsum tailings is carried out pulping and washing, then the material after pulping and washing is entered pressure filter by feeding of filter press pump and carry out secondary filter pressing, gypsum tailings outward transport after filter pressing is stacked；
Step (3), the filtrate that pressure filter is press-filtered out enters filtrate storage tank, and enter hydrometallurgy system by the second elevator pump and sink zinc groove, the i.e. zinc-rich slag of bed mud in heavy zinc groove enters and reclaims zinc technology flow process, and the supernatant in heavy zinc groove enters acid waste water treating stations regulating reservoir by delivery pump and carries out postorder process.
Wherein, the moisture content of the gypsum tailings that a filter pressing is press-filtered out is 50wt%；In the filtrate of secondary filter pressing, zinc content is more than 40g/L.
Embodiment 2
As shown in Figure 1, a kind of waste electrolyte processing system, zinc groove, delivery pump and acid waste water treating stations regulating reservoir is sunk including the first elevator pump being sequentially connected, neutralization chamber, the first feeding of filter press pump, pressure filter, filtrate storage tank, the second elevator pump, technique, described pressure filter also entrance with pulping and washing groove is connected, and the outlet of pulping and washing groove is connected with pressure filter by the second feeding of filter press pump.
The present embodiment waste electrolyte processing method based on above-mentioned waste electrolyte processing system, comprises the steps:
Step (1), it is 12% for limestone slurry that the preparation that added water in wet overflow type ball mill by the stone gallbladder produced in limestone, acid waste water processing system lime cream preparation process obtains mass percent concentration；
Step (2), waste electrolyte is raised into neutralization chamber by elevator pump, the limestone slurry of step (1) is added in neutralization chamber, neutralize waste electrolyte pH to 5, put into defoamer so that eliminating the foam that vigorous reaction causes simultaneously, then will neutralize material and enter a filter pressing in pressure filter by the first feeding of filter press pump, the gypsum tailings being press-filtered out enters pulping and washing groove, it is that 6:1 adds water to pulping and washing groove by water and gypsum tailings mass ratio, gypsum tailings is carried out pulping and washing, then the material after pulping and washing is entered pressure filter by feeding of filter press pump and carry out secondary filter pressing, gypsum tailings after filter pressing is taken out；
Step (3), the filtrate that pressure filter is press-filtered out enters filtrate storage tank, and enter hydrometallurgy system by the second elevator pump and sink zinc groove, the i.e. zinc-rich slag of bed mud in heavy zinc groove enters and reclaims zinc technology flow process, and the supernatant in heavy zinc groove enters acid waste water treating stations regulating reservoir by delivery pump and carries out postorder process.
Wherein, the moisture content of the gypsum tailings that a filter pressing is press-filtered out is 70wt%；In the filtrate of secondary filter pressing, zinc content is more than 40g/L.
Embodiment 3
As shown in Figure 1, a kind of waste electrolyte processing system, zinc groove, delivery pump and acid waste water treating stations regulating reservoir is sunk including the first elevator pump being sequentially connected, neutralization chamber, the first feeding of filter press pump, pressure filter, filtrate storage tank, the second elevator pump, technique, described pressure filter also entrance with pulping and washing groove is connected, and the outlet of pulping and washing groove is connected with pressure filter by the second feeding of filter press pump.
The present embodiment waste electrolyte processing method based on above-mentioned waste electrolyte processing system, comprises the steps:
Step (1), the preparation that added water in wet overflow type ball mill by the stone gallbladder produced in limestone, acid waste water processing system lime cream preparation process obtains the limestone slurry that mass percent concentration is 10%；
Step (2), waste electrolyte is raised into neutralization chamber by elevator pump, the limestone slurry of step (1) is added in neutralization chamber, neutralize waste electrolyte pH to 4, put into defoamer to eliminating the foam that vigorous reaction causes simultaneously, then will neutralize material and enter a filter pressing in pressure filter by the first feeding of filter press pump, the gypsum tailings being press-filtered out enters pulping and washing groove, it is that 5:1 adds water to pulping and washing groove by water and gypsum tailings mass ratio, gypsum tailings is carried out pulping and washing, then the material after pulping and washing is entered pressure filter by feeding of filter press pump and carry out secondary filter pressing, gypsum tailings outward transport after filter pressing is stacked；
Step (3), the filtrate that pressure filter is press-filtered out enters filtrate storage tank, and enter hydrometallurgy system by the second elevator pump and sink zinc groove, the i.e. zinc-rich slag of bed mud in heavy zinc groove enters and reclaims zinc technology flow process, and the supernatant in heavy zinc groove enters acid waste water treating stations regulating reservoir by delivery pump and processes.
Wherein, the moisture content of the gypsum tailings that a filter pressing is press-filtered out is 60wt%；In the filtrate of secondary filter pressing, zinc content is more than 40g/L.
Embodiment 4
As shown in Figure 1, a kind of waste electrolyte processing system, zinc groove, delivery pump and acid waste water treating stations regulating reservoir is sunk including the first elevator pump being sequentially connected, neutralization chamber, the first feeding of filter press pump, pressure filter, filtrate storage tank, the second elevator pump, technique, described pressure filter also entrance with pulping and washing groove is connected, and the outlet of pulping and washing groove is connected with pressure filter by the second feeding of filter press pump.
The present embodiment waste electrolyte processing method based on above-mentioned waste electrolyte processing system, comprises the steps:
Step (1), the preparation that added water in wet overflow type ball mill by lead oxide flue dust obtains the lead oxide flue dust slurry that mass percent concentration is 8%；
Step (2), waste electrolyte is raised into neutralization chamber by elevator pump, the lead oxide flue dust slurry of step (1) is added in neutralization chamber, neutralize waste electrolyte pH to 3, put into defoamer to eliminating the foam that vigorous reaction causes simultaneously, then will neutralize material and enter a filter pressing in pressure filter by the first feeding of filter press pump, the sulphuric acid lead skim being press-filtered out enters pulping and washing groove, it is that 4:1 adds water to pulping and washing groove by water and lead sulfate slag mass ratio, sulphuric acid lead skim is carried out pulping and washing, then the material after pulping and washing is entered pressure filter by feeding of filter press pump and carry out secondary filter pressing, sulphuric acid lead skim outward transport after filter pressing is stacked；
Step (3), the filtrate that pressure filter is press-filtered out enters filtrate storage tank, and enter hydrometallurgy system by the second elevator pump and sink zinc groove, the i.e. zinc-rich slag of bed mud in heavy zinc groove enters and reclaims zinc technology flow process, and the supernatant in heavy zinc groove enters acid waste water treating stations regulating reservoir by delivery pump and processes.
Wherein, the moisture content of the gypsum tailings that a filter pressing is press-filtered out is 70wt%；In the filtrate of secondary filter pressing, zinc content is more than 40g/L.
Embodiment 5
As shown in Figure 1, a kind of waste electrolyte processing system, zinc groove, delivery pump and acid waste water treating stations regulating reservoir is sunk including the first elevator pump being sequentially connected, neutralization chamber, the first feeding of filter press pump, pressure filter, filtrate storage tank, the second elevator pump, technique, described pressure filter also entrance with pulping and washing groove is connected, and the outlet of pulping and washing groove is connected with pressure filter by the second feeding of filter press pump.
The present embodiment waste electrolyte processing method based on above-mentioned waste electrolyte processing system, comprises the steps:
Step (1), the preparation that added water in wet overflow type ball mill by lead oxide flue dust obtains the lead oxide flue dust slurry that mass percent concentration is 12%；
Step (2), waste electrolyte is raised into neutralization chamber by elevator pump, the lead oxide flue dust slurry of step (1) is added in neutralization chamber, neutralize waste electrolyte pH to 5, put into defoamer to eliminating the foam that vigorous reaction causes simultaneously, then will neutralize material and enter a filter pressing in pressure filter by the first feeding of filter press pump, the sulphuric acid lead skim being press-filtered out enters pulping and washing groove, it is that 6:1 adds water to pulping and washing groove by water and lead sulfate slag mass ratio, sulphuric acid lead skim is carried out pulping and washing, then the material after pulping and washing is entered pressure filter by feeding of filter press pump and carry out secondary filter pressing, sulphuric acid lead skim after filter pressing is taken out；
Step (3), the filtrate that pressure filter is press-filtered out enters filtrate storage tank, and enter hydrometallurgy system by the second elevator pump and sink zinc groove, the i.e. zinc-rich slag of bed mud in heavy zinc groove enters and reclaims zinc technology flow process, and the supernatant in heavy zinc groove enters acid waste water treating stations regulating reservoir by delivery pump and processes.
Wherein, the moisture content of the gypsum tailings that a filter pressing is press-filtered out is 50wt%；In the filtrate of secondary filter pressing, zinc content is more than 40g/L.
Embodiment 6
As shown in Figure 1, a kind of waste electrolyte processing system, zinc groove, delivery pump and acid waste water treating stations regulating reservoir is sunk including the first elevator pump being sequentially connected, neutralization chamber, the first feeding of filter press pump, pressure filter, filtrate storage tank, the second elevator pump, technique, described pressure filter also entrance with pulping and washing groove is connected, and the outlet of pulping and washing groove is connected with pressure filter by the second feeding of filter press pump.
The present embodiment waste electrolyte processing method based on above-mentioned waste electrolyte processing system, comprises the steps:
Step (1), the preparation that added water in wet overflow type ball mill by lead oxide flue dust obtains the lead oxide flue dust slurry that mass percent concentration is 10%；
Step (2), waste electrolyte is raised into neutralization chamber by elevator pump, the lead oxide flue dust slurry of step (1) is added in neutralization chamber, neutralize waste electrolyte pH to 4, put into defoamer to eliminating the foam that vigorous reaction causes simultaneously, then will neutralize material and enter a filter pressing in pressure filter by the first feeding of filter press pump, the sulphuric acid lead skim being press-filtered out enters pulping and washing groove, it is that 5:1 adds water to pulping and washing groove by water and lead sulfate slag mass ratio, sulphuric acid lead skim is carried out pulping and washing, then the material after pulping and washing is entered pressure filter by feeding of filter press pump and carry out secondary filter pressing, sulphuric acid lead skim after filter pressing is taken out；
Step (3), the filtrate that pressure filter is press-filtered out enters filtrate storage tank, and enter hydrometallurgy system by the second elevator pump and sink zinc groove, the i.e. zinc-rich slag of bed mud in heavy zinc groove enters and reclaims zinc technology flow process, and the supernatant in heavy zinc groove enters acid waste water treating stations regulating reservoir by delivery pump and processes.
Wherein, the moisture content of the gypsum tailings that a filter pressing is press-filtered out is 60wt%；In the filtrate of secondary filter pressing, zinc content is more than 40g/L.
Claims (3)
1. a waste electrolyte processing method, including following waste electrolyte processing system: the first elevator pump of being sequentially connected, neutralization chamber, the first feeding of filter press pump, pressure filter, filtrate storage tank, the second elevator pump, technique sink zinc groove, delivery pump and acid waste water treating stations regulating reservoir, described pressure filter also entrance with pulping and washing groove is connected, the outlet of pulping and washing groove is connected with pressure filter by the second feeding of filter press pump, it is characterised in that through following steps:
Step (1), the preparation that added water in wet overflow type ball mill by the stone gallbladder produced in limestone, acid waste water processing system lime cream preparation process obtains the limestone slurry that mass percent concentration is 8 ~ 12%；
Or the preparation that added water in wet overflow type ball mill by lead oxide flue dust obtains the lead oxide flue dust slurry that mass percent concentration is 8 ~ 12%；
Step (2), waste electrolyte is raised into neutralization chamber by the first elevator pump, limestone slurry or the lead oxide flue dust slurry of step (1) is added in neutralization chamber, neutralize waste electrolyte pH to 3-5, it is simultaneously introduced defoamer to eliminate the foam that vigorous reaction causes, then neutralization material is pumped into pressure filter by the first feeding of filter press and carries out a filter pressing, the gypsum tailings being press-filtered out or sulphuric acid lead skim enter pulping and washing groove, it is that 4-6:1 adds water to pulping and washing groove by water and gypsum tailings or lead sulfate slag mass ratio, gypsum tailings or sulphuric acid lead skim are carried out pulping and washing, then the material after pulping and washing is entered pressure filter by the second feeding of filter press pump and carry out secondary filter pressing, gypsum tailings or the outward transport of sulphuric acid lead skim after filter pressing are stacked or take out；
Step (3), the filtrate that pressure filter is press-filtered out enters filtrate storage tank, and enter hydrometallurgy system by the second elevator pump and sink zinc groove, the i.e. zinc-rich slag of bed mud in heavy zinc groove enters and reclaims zinc technology flow process, and the supernatant in heavy zinc groove enters acid waste water treating stations regulating reservoir by delivery pump and processes.
Waste electrolyte processing method the most according to claim 1, it is characterised in that the moisture content of the gypsum tailings through being once press-filtered out described in step (2) is 50-70%.
Waste electrolyte processing method the most according to claim 1, it is characterised in that in the filtrate of the secondary filter pressing described in step (2), zinc content is more than 40g/L.
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| CN201410192324.XA CN104060301B (en) | 2014-05-08 | A kind of waste electrolyte processing system and method |
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| CN201410192324.XA CN104060301B (en) | 2014-05-08 | A kind of waste electrolyte processing system and method |
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Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0577422A1 (en) * | 1992-07-01 | 1994-01-05 | Calgon Corporation | Zinc, iron and manganese stabilization using polyeter polyamino methylene phosphonates |
| JPH0718481A (en) * | 1993-06-30 | 1995-01-20 | Sumitomo Metal Mining Co Ltd | Assembly type anode box |
| JPH0920989A (en) * | 1995-06-30 | 1997-01-21 | Dowa Mining Co Ltd | Zinc electrolyzing method for controlling pb grade in electrolytic zing by using automatic pb analyzer |
| CN1384063A (en) * | 2001-04-29 | 2002-12-11 | 曾智勇 | Effluent treating process for wet zinc smelting |
| CN1935705A (en) * | 2006-10-20 | 2007-03-28 | 云南冶金集团总公司技术中心 | Method for removing impurities suchas magnesium and recovering sulfuricacid and zinc from zinc electrolytic waste solution |
| CN101041520A (en) * | 2007-03-23 | 2007-09-26 | 长沙矿冶研究院 | Treatment method for recycling zinc electrolysis washing wastewater |
| CN101391800A (en) * | 2007-09-20 | 2009-03-25 | 深圳市东江环保股份有限公司 | Method for producing basic copper chloride, cupric sulfate pentahydrate from copper-containing etching waste liquid |
| CN101475286A (en) * | 2009-01-14 | 2009-07-08 | 滁州润海甜叶菊高科有限公司 | Sewage treatment method for stevioside production line |
| CN101538647A (en) * | 2008-03-21 | 2009-09-23 | 蔡敏行 | Circulating type method for reclaiming copper and coagulant from heavy metal sludge |
| CN101743202A (en) * | 2007-07-13 | 2010-06-16 | 同和金属矿业有限公司 | Method of treating copper-arsenic compound |
| CN101844844A (en) * | 2009-03-25 | 2010-09-29 | 中国科学院大连化学物理研究所 | Device for treating high-concentration electroplating wastewater and application thereof |
| CN102173547A (en) * | 2011-03-29 | 2011-09-07 | 苏州市环境工程有限责任公司 | Resource recycling process for nickel-containing sludge in electroplating enterprises |
| CN102453931A (en) * | 2011-01-18 | 2012-05-16 | 嘉兴科菲冶金科技股份有限公司 | Technology for treating and purifying copper electrolyte by vortex electrolysis |
| CN102517607A (en) * | 2011-12-21 | 2012-06-27 | 河南豫光锌业有限公司 | Treatment method of turbid underflow in novel liquid storing tank used in zinc smelting |
| CN102515389A (en) * | 2011-12-09 | 2012-06-27 | 紫金矿业集团股份有限公司 | Harmless treatment process for acidic copper-containing wastewater |
| CN202415304U (en) * | 2011-11-11 | 2012-09-05 | 青岛水清木华环境工程有限公司 | Wastewater treatment device for electroplating concentration area |
| CN102811967A (en) * | 2010-03-31 | 2012-12-05 | 住友大阪水泥股份有限公司 | Treatment method and treatment device for converting chlorine-containing waste into raw material for cement |
| CN202658043U (en) * | 2012-04-11 | 2013-01-09 | 南京超净纯水科技有限公司 | Electroplating wastewater treatment recycling system |
| CN202688134U (en) * | 2012-08-17 | 2013-01-23 | 成都虹华环保科技有限公司 | Low copper-containing wastewater comprehensive treatment equipment |
| CN102923882A (en) * | 2012-10-30 | 2013-02-13 | 灵宝金源矿业股份有限公司 | Comprehensive treatment process of gold smelting wastewater |
| CN102942271A (en) * | 2012-12-05 | 2013-02-27 | 西南科技大学 | Comprehensive treatment process of inorganic laboratory wastewater |
| CN103193338A (en) * | 2013-04-08 | 2013-07-10 | 金华市恒飞电工材料有限公司 | Method for simply treating copper-clad aluminum electroplating production wastewater |
| CN203065280U (en) * | 2012-12-20 | 2013-07-17 | 昆明有色冶金设计研究院股份公司 | Cyanogen-containing waste water treating device |
| CN103422119A (en) * | 2013-07-19 | 2013-12-04 | 紫金矿业集团股份有限公司 | Method for producing tough cathode with cupric sludge |
| CN103695649A (en) * | 2013-12-13 | 2014-04-02 | 来宾华锡冶炼有限公司 | Method for processing high-concentration chlorine-containing wastewater |
Patent Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0577422A1 (en) * | 1992-07-01 | 1994-01-05 | Calgon Corporation | Zinc, iron and manganese stabilization using polyeter polyamino methylene phosphonates |
| JPH0718481A (en) * | 1993-06-30 | 1995-01-20 | Sumitomo Metal Mining Co Ltd | Assembly type anode box |
| JPH0920989A (en) * | 1995-06-30 | 1997-01-21 | Dowa Mining Co Ltd | Zinc electrolyzing method for controlling pb grade in electrolytic zing by using automatic pb analyzer |
| CN1384063A (en) * | 2001-04-29 | 2002-12-11 | 曾智勇 | Effluent treating process for wet zinc smelting |
| CN1935705A (en) * | 2006-10-20 | 2007-03-28 | 云南冶金集团总公司技术中心 | Method for removing impurities suchas magnesium and recovering sulfuricacid and zinc from zinc electrolytic waste solution |
| CN101041520A (en) * | 2007-03-23 | 2007-09-26 | 长沙矿冶研究院 | Treatment method for recycling zinc electrolysis washing wastewater |
| CN101743202A (en) * | 2007-07-13 | 2010-06-16 | 同和金属矿业有限公司 | Method of treating copper-arsenic compound |
| CN101391800A (en) * | 2007-09-20 | 2009-03-25 | 深圳市东江环保股份有限公司 | Method for producing basic copper chloride, cupric sulfate pentahydrate from copper-containing etching waste liquid |
| CN101538647A (en) * | 2008-03-21 | 2009-09-23 | 蔡敏行 | Circulating type method for reclaiming copper and coagulant from heavy metal sludge |
| CN101475286A (en) * | 2009-01-14 | 2009-07-08 | 滁州润海甜叶菊高科有限公司 | Sewage treatment method for stevioside production line |
| CN101844844A (en) * | 2009-03-25 | 2010-09-29 | 中国科学院大连化学物理研究所 | Device for treating high-concentration electroplating wastewater and application thereof |
| CN102811967A (en) * | 2010-03-31 | 2012-12-05 | 住友大阪水泥股份有限公司 | Treatment method and treatment device for converting chlorine-containing waste into raw material for cement |
| CN102453931A (en) * | 2011-01-18 | 2012-05-16 | 嘉兴科菲冶金科技股份有限公司 | Technology for treating and purifying copper electrolyte by vortex electrolysis |
| CN102173547A (en) * | 2011-03-29 | 2011-09-07 | 苏州市环境工程有限责任公司 | Resource recycling process for nickel-containing sludge in electroplating enterprises |
| CN202415304U (en) * | 2011-11-11 | 2012-09-05 | 青岛水清木华环境工程有限公司 | Wastewater treatment device for electroplating concentration area |
| CN102515389A (en) * | 2011-12-09 | 2012-06-27 | 紫金矿业集团股份有限公司 | Harmless treatment process for acidic copper-containing wastewater |
| CN102517607A (en) * | 2011-12-21 | 2012-06-27 | 河南豫光锌业有限公司 | Treatment method of turbid underflow in novel liquid storing tank used in zinc smelting |
| CN202658043U (en) * | 2012-04-11 | 2013-01-09 | 南京超净纯水科技有限公司 | Electroplating wastewater treatment recycling system |
| CN202688134U (en) * | 2012-08-17 | 2013-01-23 | 成都虹华环保科技有限公司 | Low copper-containing wastewater comprehensive treatment equipment |
| CN102923882A (en) * | 2012-10-30 | 2013-02-13 | 灵宝金源矿业股份有限公司 | Comprehensive treatment process of gold smelting wastewater |
| CN102942271A (en) * | 2012-12-05 | 2013-02-27 | 西南科技大学 | Comprehensive treatment process of inorganic laboratory wastewater |
| CN203065280U (en) * | 2012-12-20 | 2013-07-17 | 昆明有色冶金设计研究院股份公司 | Cyanogen-containing waste water treating device |
| CN103193338A (en) * | 2013-04-08 | 2013-07-10 | 金华市恒飞电工材料有限公司 | Method for simply treating copper-clad aluminum electroplating production wastewater |
| CN103422119A (en) * | 2013-07-19 | 2013-12-04 | 紫金矿业集团股份有限公司 | Method for producing tough cathode with cupric sludge |
| CN103695649A (en) * | 2013-12-13 | 2014-04-02 | 来宾华锡冶炼有限公司 | Method for processing high-concentration chlorine-containing wastewater |
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