CN102974598A - Bioremediation method of lead zinc ore flotation tailing - Google Patents
Bioremediation method of lead zinc ore flotation tailing Download PDFInfo
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- CN102974598A CN102974598A CN2012104382453A CN201210438245A CN102974598A CN 102974598 A CN102974598 A CN 102974598A CN 2012104382453 A CN2012104382453 A CN 2012104382453A CN 201210438245 A CN201210438245 A CN 201210438245A CN 102974598 A CN102974598 A CN 102974598A
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- mine tailing
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Abstract
The present invention provides a bioremediation method of lead zinc ore flotation tailing. The method makes use of high tolerance of horsetails to heavy metals and transformation ability of horsetails for tailings, and achieves the purpose of repairing the tailings by planting horsetails on the tailings. In addition, the horsetails are a medicinal plant having an economic value, so some economic benefits can be created.
Description
Technical field
The present invention relates to a kind of mine tailing recovery technique, relate to especially a kind of recovery technique of lead-zinc ore floating mine tailing.
Background technology
When at present the lead-zinc ore floating mine tailing reclaims troilite, adopt sulfuric acid as the adjusting agent and the activator that select sulphur, behind the flotation of lead zinc, the zinc tail selects the floatation concentration of sulphur lower to lead zinc sulphur ore successively more.Therefore need to add a large amount of floating agents, sulfuric acid particularly, this causes in the lead-zinc ore floating mine tailing of final discharging sulfate radical content very high, ferrous ion in the mine tailing is oxidized to ferric ion easily in addition, cause whole mine tailing to be acid after oxidized, the water that flows out in this mine tailing of clump had both had very strong acidity, had again very strong oxide etch ability, can cause the water resource of the neighboring area at place, mine tailing district to be polluted.
And the oxidation of this mine tailing self, acidifying all are clump mine tailing surface beginnings, therefore to prevent that mine tailing generation acidifying best bet is exactly to form vegetation on the mine tailing surface, root exudates by vegetation with and the effect of table companion microbes change the acid-base value of mine tailing, and the redox microenvironment that changes mine tailing, prevent that mine tailing from becoming the purpose of acid mine tailing thereby reach.
Scouring rush (Equisetum hiemale L.) is a kind of perennial herb pteridophyte.The scouring rush can be used as medicine, and has loose wind-heat, moves back the effect of order screen, can be used for the many tears of hot eyes of affection of exogenous wind-heat, and order is given birth to the illness of screen film, also can be used for the treatment of and have blood in stool hemorrhoid hemorrhage.Scouring rush's planting technology is not yet common at present, and finding scouring rush medicinal material then comes from wild scouring rush substantially on the market.
Summary of the invention
The invention provides a kind of biological renovation method of lead-zinc ore floating mine tailing, the method utilizes the scouring rush to the height endurability of heavy metal, with and to the transformation ability of mine tailing, by reaching the purpose of repairing Tailings Dam mine tailing plantation scouring rush, because the scouring rush is the medicinal plant with economic worth, therefore can also create certain economic benefit in addition.The method may further comprise the steps:
(1) mine tailing surface treatment: it is 20 centimetres turning over that the degree of depth is carried out on the mine tailing top layer, and the borax consumption according to 2～10 kilograms every square metre is applied to the mine tailing surface when turning over, and by turning over borax and mine tailing are mixed, the mine tailing ground that to turn over was afterwards placed 2～3 days, afterwards with the mine tailing surface evening;
(2) plantation scouring rush: after treating that the mine tailing surface treatment finishes, with scouring rush's seedling replanting to treated mine tailing, on the mine tailing of leveling, dig pitting by 10 centimetres of spacing 10 cm x during transplanting, pitting diameter and the degree of depth are take 3 centimetres as standard, the scouring rush seedling inserts behind the pitting mine tailing backfill and gently compacting, transplant the rear sodium oxalate solution with 1% of end and water, water be irrigated;
(3) scouring rush's daily management: do not need human intervention in scouring rush's growth course;
(4) scouring rush's results: the scouring rush can gather in the crops when growing to 50～60 centimetres high, scouring rush's strobilus is born in the stem top, therefore when the results scouring rush, should gently sweep first its stem top, its strobilus is dropped, guarantee that its strobilus is not fallen by harvesting, results during the scouring rush from ground up 10～15 centimeters cut off reservation face portion, the top of collecting axis.
Preferably, select to carry out May scouring rush's field planting.
Preferably, select in the shade mine tailing to carry out scouring rush's plantation
Preferably, amount at mine tailing surface applied borax is determined according to mine tailing acidity, the assay method of mine tailing acidity is as follows: get the 1g mine tailing and be placed in the 10g distilled water, fully stir after 1 minute and left standstill 24 hours, measure afterwards the pH value of water, if 2＜pH＜3, then use 2～4 kilograms of boraxs for every square metre, if 4～6 kilograms of boraxs are then used for every square metre in 1＜pH＜2, if 6～10 kilograms of boraxs are then used for every square metre in pH＜1.
Usually in order to eliminate the acidity in the mine tailing, usually with the quick lime acidity that neutralizes, but owing to contain a large amount of sulfate radicals in the lead-zinc ore floating mine tailing, and sulfate radical and calcium ion can form the calcium sulfate precipitation of microsolubility, destroy the mine tailing structure, therefore affect plant growth thereon, select the borax acidity that neutralizes.
Innovative point of the present invention is improvement Pb-Zn tailings and the economical crop of plantation are combined.Pb-Zn tailings main physicochemical property for plant growth is acid strong, and matrix has potential oxidisability, and content of beary metal is high, and especially content of Pb﹠Zn is high.And select scouring rush's reason just to be that it can overcome the above-mentioned mine tailing characteristic totally unfavorable to other plant just, scouring rush's counterweight metal has outstanding resistance, especially for lead and zinc, has high tolerance level, and can also reduce zinc content through growth after a while, play the effect that improves the mine tailing proterties.The scouring rush has certain tolerance level to soil acidity, can plant after processing through simple borax, and such low operation cost, convenient easy-to-use.
From another angle, plant the scouring rush at mine tailing, do not need to take the good farmland, this land resource today day by day in short supply highly significant, scouring rush itself is very worthy in addition, can create considerable economic worth.
The specific embodiment
Experimental data hereinafter makes with the following method and measures: the PHG-2081 type industrial ph that the mensuration of pH value uses Wuxi City plum lake electric instrument Co., Ltd to produce, mensuration plumbous and zinc is used atomic absorption spectrophotometry, and the microbial biomass nitrogen determination uses to disappear and boils, alkalizes the way of distillation.
Embodiment 1
Carry out mine tailing reparation of the present invention in the flotation tailing storehouse of Fankou Lead-zinc Deposit, Guangdong, carry out according to the following steps:
(1) mine tailing surface treatment: just the degree of depth being carried out on the mine tailing top layer in may is 20 centimetres turning over, through measuring its acidity, pH=1 therefore when turning over the borax consumption according to 8 kilograms every square metre be applied to the mine tailing surface, and by turning over borax and mine tailing are mixed, the mine tailing ground that to turn over was afterwards placed 3 days, afterwards with the mine tailing surface evening;
(2) plantation scouring rush: after treating that the mine tailing surface treatment finishes, with scouring rush's seedling replanting to treated mine tailing, on the mine tailing of leveling, dig pitting by 10 centimetres of spacing 10 cm x during transplanting, pitting diameter and the degree of depth are take 3 centimetres as standard, the scouring rush seedling inserts behind the pitting mine tailing backfill and gently compacting, transplant the rear sodium oxalate solution with 1% of end and water, water be irrigated;
(3) scouring rush's daily management: do not need human intervention in scouring rush's growth course;
(4) scouring rush's results: the scouring rush can gather in the crops when growing to 50～60 centimetres high, scouring rush's strobilus is born in the stem top, therefore when the results scouring rush, should gently sweep first its stem top, its strobilus is dropped, guarantee that its strobilus is not fallen by harvesting, results during the scouring rush from ground up 10～15 centimeters cut off reservation face portion, the top of collecting axis.
The plantation result can gather in the crops first batch of scouring rush in about about 3 months, through 1 year, received altogether 4 batches of scouring rushes, and per 100 square meters results are done 4.7 kilograms of scouring rushes.In addition, measured the mine tailing before the plantation and planted after 1 year scouring rush the physical and chemical indexes of mine tailing in the scouring rush clump, seen the following form:
| The pH value | Plumbous (mg/kg) | Zinc (mg/kg) | Microbial Biomass Nitrogen (mg/kg) | |
| Before the plantation | 1 | 4250 | 2654 | 0.63 |
| Plant after 1 year | 5.5 | 3682 | 769 | 1.84 |
Embodiment 2
Carry out mine tailing reparation of the present invention in the flotation tailing storehouse of Fankou Lead-zinc Deposit, Guangdong, carry out according to the following steps:
(1) mine tailing surface treatment: just the degree of depth being carried out on the mine tailing top layer in may is 20 centimetres turning over, through measuring its acidity, pH=2 therefore when turning over the borax consumption according to 5 kilograms every square metre be applied to the mine tailing surface, and by turning over borax and mine tailing are mixed, the mine tailing ground that to turn over was afterwards placed 3 days, afterwards with the mine tailing surface evening;
(2) plantation scouring rush: after treating that the mine tailing surface treatment finishes, with scouring rush's seedling replanting to treated mine tailing, on the mine tailing of leveling, dig pitting by 10 centimetres of spacing 10 cm x during transplanting, pitting diameter and the degree of depth are take 3 centimetres as standard, the scouring rush seedling inserts behind the pitting mine tailing backfill and gently compacting, transplant the rear sodium oxalate solution with 1% of end and water, water be irrigated;
(3) scouring rush's daily management: do not need human intervention in scouring rush's growth course;
(4) scouring rush's results: the scouring rush can gather in the crops when growing to 50～60 centimetres high, scouring rush's strobilus is born in the stem top, therefore when the results scouring rush, should gently sweep first its stem top, its strobilus is dropped, guarantee that its strobilus is not fallen by harvesting, results during the scouring rush from ground up 10～15 centimeters cut off reservation face portion, the top of collecting axis.
The plantation result can gather in the crops first batch of scouring rush in about about 3 months, through 1 year, received altogether 4 batches of scouring rushes, and per 100 square meters results are done 5.3 kilograms of scouring rushes.In addition, measured the mine tailing before the plantation and planted after 1 year scouring rush the physical and chemical indexes of mine tailing in the scouring rush clump, seen the following form:
| The pH value | Plumbous (mg/kg) | Zinc (mg/kg) | Microbial Biomass Nitrogen (mg/kg) | |
| Before the plantation | 2 | 3694 | 2314 | 0.59 |
| Plant after 1 year | 6 | 3012 | 735 | 1.70 |
Those skilled in the art can make replacement or modification to content of the present invention according to content disclosed by the invention and the art technology of grasping; but these replacements or modification should not be considered as breaking away from the present invention's design, and these replacements or modification are all in the claimed interest field of the present invention.
Claims (4)
1. the biological renovation method of a lead-zinc ore floating mine tailing, the method may further comprise the steps:
(1) mine tailing surface treatment: it is 20 centimetres turning over that the degree of depth is carried out on the mine tailing top layer, and the borax consumption according to 2～10 kilograms every square metre is applied to the mine tailing surface when turning over, and by turning over borax and mine tailing are mixed, the mine tailing ground that to turn over was afterwards placed 2～3 days, afterwards with the mine tailing surface evening;
(2) plantation scouring rush: after treating that the mine tailing surface treatment finishes, with scouring rush's seedling replanting to treated mine tailing, on the mine tailing of leveling, dig pitting by 10 centimetres of spacing 10 cm x during transplanting, pitting diameter and the degree of depth are take 3 centimetres as standard, the scouring rush seedling inserts behind the pitting mine tailing backfill and gently compacting, transplant the rear sodium oxalate solution with 1% of end and water, water be irrigated;
(3) scouring rush's daily management: do not need human intervention in scouring rush's growth course;
(4) scouring rush's results: the scouring rush can gather in the crops when growing to 50～60 centimetres high, scouring rush's strobilus is born in the stem top, therefore when the results scouring rush, should gently sweep first its stem top, its strobilus is dropped, guarantee that its strobilus is not fallen by harvesting, results during the scouring rush from ground up 10～15 centimeters cut off reservation face portion, the top of collecting axis.
2. the biological renovation method of the lead-zinc ore floating mine tailing described in the claim 1 is characterized in that selecting carrying out scouring rush's field planting May.
3. the biological renovation method of the lead-zinc ore floating mine tailing described in the claim 1 is characterized in that selecting in the shade mine tailing to carry out scouring rush's plantation.
4. the biological renovation method of the lead-zinc ore floating mine tailing described in the claim 1, it is characterized in that determining according to mine tailing acidity in the amount of mine tailing surface applied borax, the assay method of mine tailing acidity is as follows: get the 1g mine tailing and be placed in the 10g distilled water, fully stir after 1 minute and left standstill 24 hours, measure afterwards the pH value of water, if 2＜pH＜3, then use 2～4 kilograms of boraxs for every square metre, if 1＜pH＜2, then use 4～6 kilograms of boraxs for every square metre, if 6～10 kilograms of boraxs are then used for every square metre in pH＜1.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675923A (en) * | 2019-03-05 | 2019-04-26 | 河北地质大学 | A kind of lead-zinc ore tailings library and neighboring soil Compound Heavy Metals repair system |
| CN111687199A (en) * | 2020-06-23 | 2020-09-22 | 中南林业科技大学 | Method for jointly repairing lead-zinc ore polluted soil by inorganic modifier and plants |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1397390A (en) * | 2001-07-18 | 2003-02-19 | 中国科学院地理科学与资源研究所 | Method for treating As polluted soil |
| CN1600707A (en) * | 2004-10-20 | 2005-03-30 | 中山大学 | Method for governing arsenic contamination in soil and water body |
| CN1623934A (en) * | 2004-11-09 | 2005-06-08 | 中山大学 | Method for treating soil and aquatic lead, zinc, cadmium pollution by long pubescence potentilla chinensis |
| CN1861279A (en) * | 2006-06-14 | 2006-11-15 | 浙江大学 | Method for restoring soil contaminated by heavy metals |
| CN101283661A (en) * | 2008-06-05 | 2008-10-15 | 湖南科技大学 | A method for increasing the plant tolerance to heavy metal |
| CN101491810A (en) * | 2009-02-23 | 2009-07-29 | 湖南科技大学 | Method for preventing and controlling heavy-metal movement of uranium tailings slag using plants |
| CN101502843A (en) * | 2009-02-23 | 2009-08-12 | 湖南科技大学 | Method for repairing and improving soil polluted by uranium mine tailings |
| CN102658291A (en) * | 2012-05-29 | 2012-09-12 | 江苏山水建设集团有限公司 | Method for improving vegetation containing lead tailing sand |
| CN102658290A (en) * | 2012-05-22 | 2012-09-12 | 云南驰宏锌锗股份有限公司 | Method for restoring soil with carex nubigena |
| CN102699015A (en) * | 2012-05-18 | 2012-10-03 | 台州市农业科学研究院 | Method for repairing cadmium, lead and copper combined-polluted soil with broom cypress |
-
2012
- 2012-11-05 CN CN2012104382453A patent/CN102974598A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1397390A (en) * | 2001-07-18 | 2003-02-19 | 中国科学院地理科学与资源研究所 | Method for treating As polluted soil |
| CN1600707A (en) * | 2004-10-20 | 2005-03-30 | 中山大学 | Method for governing arsenic contamination in soil and water body |
| CN1623934A (en) * | 2004-11-09 | 2005-06-08 | 中山大学 | Method for treating soil and aquatic lead, zinc, cadmium pollution by long pubescence potentilla chinensis |
| CN1861279A (en) * | 2006-06-14 | 2006-11-15 | 浙江大学 | Method for restoring soil contaminated by heavy metals |
| CN101283661A (en) * | 2008-06-05 | 2008-10-15 | 湖南科技大学 | A method for increasing the plant tolerance to heavy metal |
| CN101491810A (en) * | 2009-02-23 | 2009-07-29 | 湖南科技大学 | Method for preventing and controlling heavy-metal movement of uranium tailings slag using plants |
| CN101502843A (en) * | 2009-02-23 | 2009-08-12 | 湖南科技大学 | Method for repairing and improving soil polluted by uranium mine tailings |
| CN102699015A (en) * | 2012-05-18 | 2012-10-03 | 台州市农业科学研究院 | Method for repairing cadmium, lead and copper combined-polluted soil with broom cypress |
| CN102658290A (en) * | 2012-05-22 | 2012-09-12 | 云南驰宏锌锗股份有限公司 | Method for restoring soil with carex nubigena |
| CN102658291A (en) * | 2012-05-29 | 2012-09-12 | 江苏山水建设集团有限公司 | Method for improving vegetation containing lead tailing sand |
Non-Patent Citations (2)
| Title |
|---|
| 刘足根等: "江西大余县荡坪钨矿尾矿区自然植物组成及其重金属富集特征", 《长江流域资源与环境》 * |
| 周兴等: "广西刁江流域有色金属矿区尾砂库植物研究", 《热带地理》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675923A (en) * | 2019-03-05 | 2019-04-26 | 河北地质大学 | A kind of lead-zinc ore tailings library and neighboring soil Compound Heavy Metals repair system |
| CN111687199A (en) * | 2020-06-23 | 2020-09-22 | 中南林业科技大学 | Method for jointly repairing lead-zinc ore polluted soil by inorganic modifier and plants |
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Application publication date: 20130320 |