CN106258588A - A kind of Pb-Zn tailings planting soil and preparation method thereof - Google Patents

A kind of Pb-Zn tailings planting soil and preparation method thereof Download PDF

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Publication number
CN106258588A
CN106258588A CN201610669420.8A CN201610669420A CN106258588A CN 106258588 A CN106258588 A CN 106258588A CN 201610669420 A CN201610669420 A CN 201610669420A CN 106258588 A CN106258588 A CN 106258588A
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China
Prior art keywords
tailings
soil
planting soil
maifanitum
vermiculitum
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Pending
Application number
CN201610669420.8A
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Chinese (zh)
Inventor
马跃
李伟
高飞
王鞍山
庞鹤
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Dalian Earth Environment Technology Co., Ltd.
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DALIAN DITUO HEAVY INDUSTRY Co Ltd
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Priority to CN201610669420.8A priority Critical patent/CN106258588A/en
Publication of CN106258588A publication Critical patent/CN106258588A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00Growth substrates; Culture media; Apparatus or methods therefor
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05DINORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00Other inorganic fertilisers
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/80Soil conditioners

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Fertilizers (AREA)
  • Cultivation Of Plants (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

This provides a kind of Pb-Zn tailings planting soil and preparation method thereof.Described Pb-Zn tailings planting soil, is mainly prepared from by the raw material of following percetage by weight: Pb-Zn tailings 20%~30%, pollution-free soil 20%~30%, turfy soil 25%~30%, Vermiculitum 3%~5%, perlite 3%~5%, Maifanitum 3%~5%, decomposed manure 3%~5%, humic acids 5%~10%.Pb-Zn tailings is prepared as planting soil after harmless treatment, for substituting the soil moved in improve the original used in the repair process of mine, not only reduces soil usage amount, resource of tailings is also made to obtain Appropriate application, improve resource utilization, reduce environmental pollution, there is preferable economic benefit and social benefit.The obtained planting soil content of organic matter is high, and water-retaining property and good permeability can improve the physicochemical property of soil, it is provided that plant desired nutritional, repairs mine and has preferable recovery dynatron effect.

Description

A kind of Pb-Zn tailings planting soil and preparation method thereof
Technical field
The invention belongs to environmental protection and mine management field, tailings glass field, particularly to a kind of Pb-Zn tailings planting soil And preparation method thereof.
Background technology
Produce substantial amounts of mine tailing during mining, do not only take up substantial amounts of soil, cause to the ecological environment of surrounding The biggest harm, and to put into process and maintenance cost.Therefore, make full use of resource of tailings, turn waste into wealth, for protection ring Border, improve mineral products level of comprehensive utilization, increase economic efficiency, there is great scientific meaning and social benefit.
Generally requiring in the repair process of mine and carry out soil moved in improve the original engineering, soil moved in improve the original can endanger taking soil reclamation soil fail Its surrounding enviroment.If after being processed by tailings harmless, in addition planting soil made by auxiliary material, not only reduces soil moved in improve the original amount, also makes Resource of tailings obtains Appropriate application, improves resource utilization.At present, yet there are no preparation plantation after Pb-Zn tailings harmless treatment The report of soil.
Summary of the invention
In order to solve above technical problem, the invention provides a kind of Pb-Zn tailings planting soil, mainly by following weight hundred The raw material of mark is prepared from: Pb-Zn tailings 20%~30%, pollution-free soil 20%~30%, turfy soil 25%~30%, Vermiculitum 3%~5%, perlite 3%~5%, Maifanitum 3%~5%, decomposed manure 3%~5%, humic acids 5%~ 10%.
It is preferred that, Pb-Zn tailings planting soil of the present invention can be accomplished by, mainly by following The raw material of percetage by weight is prepared from: Pb-Zn tailings 20%, pollution-free soil 30%, turfy soil 25%, Vermiculitum 3%, Margarita Rock 5%, Maifanitum 3%, decomposed manure 4%, humic acids 10%.
It is preferred that, Pb-Zn tailings planting soil of the present invention can be accomplished by, mainly by following The raw material of percetage by weight is prepared from: Pb-Zn tailings 25%, pollution-free soil 25%, turfy soil 28%, Vermiculitum 4%, Margarita Rock 3%, Maifanitum 3%, decomposed manure 4%, humic acids 8%.
It is preferred that, Pb-Zn tailings planting soil of the present invention can be accomplished by, mainly by following The raw material of percetage by weight is prepared from: Pb-Zn tailings 30%, pollution-free soil 20%, turfy soil 30%, Vermiculitum 5%, Margarita Rock 3%, Maifanitum 4%, decomposed manure 3%, humic acids 5%.
It is preferred that, Pb-Zn tailings planting soil of the present invention can be accomplished by, mainly by following The raw material of percetage by weight is prepared from: Pb-Zn tailings 25%, pollution-free soil 25%, turfy soil 26%, Vermiculitum 3%, Margarita Rock 4%, Maifanitum 5%, decomposed manure 5%, humic acids 7%.
Preferably, described Vermiculitum granularity is 40 mesh~60 mesh;
Preferably, described perlite granularity is 60 mesh~80 mesh;
Preferably, described Maifanitum granularity is 60 mesh~80 mesh.
Present invention also offers the preparation method of a kind of Pb-Zn tailings planting soil, comprise the following steps:
(1) chemical leaching: with compound eluent, Pb-Zn tailings is carried out drip washing, remove the heavy metal in Pb-Zn tailings;
(2) it is dried: the Pb-Zn tailings after drip washing is dried process;
(3) dispensing: according to percetage by weight: Pb-Zn tailings 20%~30% after drip washing, pollution-free soil 20%~ 30%, turfy soil 25%~30%, Vermiculitum 3%~5%, perlite 3%~5%, Maifanitum 3%~5%, decomposed manure 3%~5%, humic acids 5%~10%, mix homogeneously.
(4) ripening: ripening that the material mixed is banked up.
Preferably, the compound eluent in described step (1) is HCl-FeCl3Compound eluent, HCl concentration 0.3mol/ L, FeCl3Concentration 1.0mol/L, liquid-solid ratio 6:1.
Preferably, the drying means described in described step (2) is, by the Pb-Zn tailings after drip washing in place dry in the sun, natural Air-dry.
Preferably, ripening 5-8 days of in described step (4), the material mixed being banked up, during banking up, remain The moisture of material is 40%~50%.
Pb-Zn tailings planting soil of the present invention, Pb-Zn tailings is prepared as planting soil, respectively after harmless treatment Toxicity index is Cu 48mg/kg, Pb 50mg/kg, Cd 0.28mg/kg, AS 10mg/kg, meets country's soil environment quality Secondary standard.For substituting the soil moved in improve the original used in the repair process of mine, not only reduce soil usage amount, also make resource of tailings obtain Appropriate application, improves resource utilization, reduces environmental pollution, has preferable economic benefit and social benefit.Obtained kind Plant the soil content of organic matter high, water-retaining property and good permeability, can improve the physicochemical property of soil, it is provided that plant desired nutritional, to ore deposit Mountain is repaired has preferable recovery dynatron effect.This planting soil machine matter content is high, and water-retaining property and good permeability are not required to use chemical fertilizer, plant Thing grows, and yield of commercial crops is high, and than traditional soil moved in improve the original, the crop economy effect of plantation is more preferable.
Detailed description of the invention
In order to make technical solution of the present invention be easier to understand, in conjunction with the mode of specific embodiment, the technology to the present invention Scheme carries out clear, complete description.It should be noted that, embodiment described herein is only the section Example of the present invention, rather than Whole implementations of the present invention, described embodiment only has exemplary, and its effect is only to provide understanding for auditor and the public The mode that present invention is the most simple and clear rather than the restriction to technical scheme of the present invention.Without departing from the present invention On the premise of design, all those of ordinary skill in the art do not make creative work with regard to other embodiment thinkable, And other simply replacing and various changes technical solution of the present invention, broadly fall into protection scope of the present invention.
Embodiment 1:
A kind of Pb-Zn tailings planting soil and preparation method thereof, comprises the following steps:
(1) chemical leaching: use HCl-FeCl3Compound eluent carries out drip washing to Pb-Zn tailings, removes in Pb-Zn tailings Heavy metal, HCl concentration 0.3mol/L, FeCl3Concentration 1.0mol/L, liquid-solid ratio 6:1;
(2) it is dried: by the Pb-Zn tailings after drip washing at place dry in the sun, natural air drying;
(3) dispensing: by the material of following percetage by weight: Pb-Zn tailings 20%, pollution-free soil 30%, turfy soil 25%, Vermiculitum 3%, perlite 5%, Maifanitum 3%, decomposed manure 4%, humic acids 10%, mix homogeneously;
(4) ripening: ripening 7 days of being banked up by the material mixed, during banking up, remains the moisture of material It is 40%~50%.
Embodiment 2:
A kind of Pb-Zn tailings planting soil and preparation method thereof, comprises the following steps:
(1) chemical leaching: use HCl-FeCl3Compound eluent carries out drip washing to Pb-Zn tailings, removes in Pb-Zn tailings Heavy metal, HCl concentration 0.3mol/L, FeCl3Concentration 1.0mol/L, liquid-solid ratio 6:1;
(2) it is dried: by the Pb-Zn tailings after drip washing at place dry in the sun, natural air drying;
(3) dispensing: by the material of following percetage by weight: Pb-Zn tailings 25%, pollution-free soil 25%, turfy soil 28%, Vermiculitum 4%, perlite 3%, Maifanitum 3%, decomposed manure 4%, humic acids 8%, mix homogeneously;
(4) ripening: ripening 7 days of being banked up by the material mixed, during banking up, remains the moisture of material It is 40%~50%.
Embodiment 3:
A kind of Pb-Zn tailings planting soil and preparation method thereof, comprises the following steps:
(1) chemical leaching: use HCl-FeCl3Compound eluent carries out drip washing to Pb-Zn tailings, removes in Pb-Zn tailings Heavy metal, HCl concentration 0.3mol/L, FeCl3Concentration 1.0mol/L, liquid-solid ratio 6:1;
(2) it is dried: by the Pb-Zn tailings after drip washing at place dry in the sun, natural air drying;
(3) dispensing: by the material of following percetage by weight: Pb-Zn tailings 30%, pollution-free soil 20%, turfy soil 30%, Vermiculitum 5%, perlite 3%, Maifanitum 4%, decomposed manure 3%, humic acids 5%, mix homogeneously;
(4) ripening: ripening 7 days of being banked up by the material mixed, during banking up, remains the moisture of material It is 40%~50%.
Embodiment 4:
A kind of Pb-Zn tailings planting soil and preparation method thereof, comprises the following steps:
(1) chemical leaching: use HCl-FeCl3Compound eluent carries out drip washing to Pb-Zn tailings, removes in Pb-Zn tailings Heavy metal, HCl concentration 0.3mol/L, FeCl3Concentration 1.0mol/L, liquid-solid ratio 6:1;
(2) it is dried: by the Pb-Zn tailings after drip washing at place dry in the sun, natural air drying;
(3) dispensing: by the material of following percetage by weight: Pb-Zn tailings 25%, pollution-free soil 25%, turfy soil 26%, Vermiculitum 3%, perlite 4%, Maifanitum 5%, decomposed manure 5%, humic acids 7%, mix homogeneously;
(4) ripening: ripening 7 days of being banked up by the material mixed, during banking up, remains the moisture of material It is 40%~50%.

Claims (10)

1. a Pb-Zn tailings planting soil, is mainly prepared from by the raw material of following percetage by weight: Pb-Zn tailings 20%~ 30%, pollution-free soil 20%~30%, turfy soil 25%~30%, Vermiculitum 3%~5%, perlite 3%~5%, Maifanitum 3%~5%, decomposed manure 3%~5%, humic acids 5%~10%.
2. a Pb-Zn tailings planting soil, is mainly prepared from by the raw material of following percetage by weight: Pb-Zn tailings 20%, nothing are dirty Dye soil 30%, turfy soil 25%, Vermiculitum 3%, perlite 5%, Maifanitum 3%, decomposed manure 4%, humic acids 10%.
3. a Pb-Zn tailings planting soil, is mainly prepared from by the raw material of following percetage by weight: Pb-Zn tailings 25%, nothing are dirty Dye soil 25%, turfy soil 28%, Vermiculitum 4%, perlite 3%, Maifanitum 3%, decomposed manure 4%, humic acids 8%.
4. a Pb-Zn tailings planting soil, is mainly prepared from by the raw material of following percetage by weight: Pb-Zn tailings 30%, nothing are dirty Dye soil 20%, turfy soil 30%, Vermiculitum 5%, perlite 3%, Maifanitum 4%, decomposed manure 3%, humic acids 5%.
5. a Pb-Zn tailings planting soil, is mainly prepared from by the raw material of following percetage by weight: Pb-Zn tailings 25%, nothing are dirty Dye soil 25%, turfy soil 26%, Vermiculitum 3%, perlite 4%, Maifanitum 5%, decomposed manure 5%, humic acids 7%.
6. according to the Pb-Zn tailings planting soil according to any one of claim 1-5, it is characterised in that: described Vermiculitum granularity is 40 Mesh~60 mesh;Described perlite granularity is 60 mesh~80 mesh;Described Maifanitum granularity is 60 mesh~80 mesh.
7. a preparation method for Pb-Zn tailings planting soil, comprises the following steps:
(1) chemical leaching: with compound eluent, Pb-Zn tailings is carried out drip washing, remove the heavy metal in Pb-Zn tailings;
(2) it is dried: the Pb-Zn tailings after drip washing is dried process;
(3) dispensing: by the material of following percetage by weight: the Pb-Zn tailings 20%~30% after drip washing, pollution-free soil 20% ~30%, turfy soil 25%~30%, Vermiculitum 3%~5%, perlite 3%~5%, Maifanitum 3%~5%, decomposed manure 3%~5%, humic acids 5%~10%, mix homogeneously.
(4) ripening: ripening that the material mixed is banked up.
The preparation method of Pb-Zn tailings planting soil the most according to claim 7, it is characterised in that: in described step (1) Compound eluent is HCl FeCl3Compound eluent, HCl concentration 0.3mol/L, FeCl3Concentration 1.0mol/L, liquid-solid ratio 6:1.
9. according to the preparation method of the Pb-Zn tailings planting soil described in claim 7 or 8, it is characterised in that: described step (2) institute The drying means stated is, by the Pb-Zn tailings after drip washing at place dry in the sun, natural air drying.
10. according to the preparation method of the Pb-Zn tailings planting soil described in claim 7 or 8, it is characterised in that: described step (4) Middle ripening 5-8 days that the material mixed is banked up, during banking up, remain the moisture of material be 40%~ 50%.
CN201610669420.8A 2016-08-15 2016-08-15 A kind of Pb-Zn tailings planting soil and preparation method thereof Pending CN106258588A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107494227A (en) * 2017-09-15 2017-12-22 大连地拓环境科技有限公司 A kind of golden mine tailing barren rock soilless culture substrate and preparation method thereof
CN107673915A (en) * 2017-09-15 2018-02-09 大连地拓环境科技有限公司 A kind of Pb-Zn tailings barren rock soilless culture substrate and preparation method thereof
CN109041691A (en) * 2018-08-13 2018-12-21 紫金矿业集团股份有限公司 Utilize the method for repairing mining area abrupt slope of sowing grass seeds by duster in lime with body refuse machinery
CN111084071A (en) * 2019-12-26 2020-05-01 青岛冠中生态股份有限公司 Planting matrix based on lead and cadmium polluted soil
CN113621384A (en) * 2021-09-15 2021-11-09 湖南大学 Tailing slag soil improvement matrix and preparation method and application thereof

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CN102675000A (en) * 2012-05-07 2012-09-19 青岛高次团粒生态技术有限公司 Method for preparing soil culture medium suitable for growth of plants in industrial alkaline tailings dam
CN105110872A (en) * 2015-07-27 2015-12-02 蒋文兰 Production method for phosphorus potassium composite mine tailing carbonization nutrition soil
CN105016927A (en) * 2015-07-31 2015-11-04 兴安宸亿工贸有限公司 Method for preparing fertilizer by utilizing high-iron tailing slag

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107494227A (en) * 2017-09-15 2017-12-22 大连地拓环境科技有限公司 A kind of golden mine tailing barren rock soilless culture substrate and preparation method thereof
CN107673915A (en) * 2017-09-15 2018-02-09 大连地拓环境科技有限公司 A kind of Pb-Zn tailings barren rock soilless culture substrate and preparation method thereof
CN109041691A (en) * 2018-08-13 2018-12-21 紫金矿业集团股份有限公司 Utilize the method for repairing mining area abrupt slope of sowing grass seeds by duster in lime with body refuse machinery
CN111084071A (en) * 2019-12-26 2020-05-01 青岛冠中生态股份有限公司 Planting matrix based on lead and cadmium polluted soil
CN113621384A (en) * 2021-09-15 2021-11-09 湖南大学 Tailing slag soil improvement matrix and preparation method and application thereof
CN113621384B (en) * 2021-09-15 2022-08-12 湖南大学 Tailing slag soil improvement matrix and preparation method and application thereof

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Effective date of registration: 20170905

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Application publication date: 20170104