CN105368458A - Heavy metal contaminated soil remediation material and preparation method thereof - Google Patents
Heavy metal contaminated soil remediation material and preparation method thereof Download PDFInfo
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- CN105368458A CN105368458A CN201510893817.0A CN201510893817A CN105368458A CN 105368458 A CN105368458 A CN 105368458A CN 201510893817 A CN201510893817 A CN 201510893817A CN 105368458 A CN105368458 A CN 105368458A
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Abstract
The present invention discloses a heavy metal contaminated soil remediation material and a preparation method thereof. The heavy metal contaminated soil remediation material comprises the following components by weight: 40-48 parts of diatomaceous earth, 8-15 parts of fly ash, 8-15 parts of dextrin, 2-3 parts of sodium aluminosilicate, 1-3 parts of sodium aluminum carbonate, basic, 1-2 parts of (trimethylsilyl) phosphate, 1-1.8 parts of barium metaborate, 1-1.6 parts of mercapto-s-triazine, 0.5-1 part of ferric potassium aluminate, 0.5-1 part of nitrogen-fixing bacteria, 0.5-0.8 part of bergaptol methyl ether and 0.1-0.8 part of poly(3,4-ethylenedioxythiophene). The present invention also provides a preparation method of the heavy metal contaminated soil remediation agent.
Description
Technical field
The invention belongs to soil remediation Material Field, particularly a kind of heavy-metal contaminated soil repair materials and preparation method thereof.
Background technology
Along with the quickening of Urbanization in China, leave over a large amount of contaminated sites after the resettlement of cities and towns industrial enterprise, wherein heavy-metal contaminated soil is a type comparatively common in industrial pollution place.These contaminated sites mostly face business development and the change of land-use style occur, and should carry out the health repairing to ensure space enrironment and resident before contaminated soil recycling.
For the repairing and treating of heavy-metal contaminated soil, mainly utilize stablizer and soil and the physics chemical action such as heavy metal generation hydration reaction, redox, chelating, precipitation, absorption wherein, by changing the chemical form of heavy metal in soil or reducing its transport property, thus reach the effect of repairing and treating.
Summary of the invention
For above-mentioned demand, invention especially provides a kind of heavy-metal contaminated soil repair materials and preparation method thereof.
Object of the present invention can be achieved through the following technical solutions:
A kind of heavy-metal contaminated soil repair materials, be made up of the component comprising following weight part:
Diatomite 40-48 part,
Flyash 8-15 part,
Dextrin 8-15 part,
Sodium silicoaluminate 2-3 part,
Dawsonite Kompensan 1-3 part,
(trimethyl silicon based) phosphoric acid salt 1-2 part,
Barium metaborate 1-1.8 part,
Tri-thiol s-triazine 1-1.6 part,
Iron potassium aluminate 0.5-1 part,
Vinelandii 0.5-1 part,
Bergapton 0.5-0.8 part,
Polyglycolic acid fibre 0.1-0.8 part.
Described component also comprises humic acid 0-0.5 weight part.
Described component also comprises tripoly phosphate sodium STPP 0-0.5 weight part.
Described component also comprises ethylenediamine tetraacetic acid (EDTA) 0-1 weight part.
A preparation method for heavy-metal contaminated soil repair materials, the method comprises the following steps:
(1) diatomite 40-48 weight part, flyash 8-15 weight part, dextrin 8-15 weight part, sodium silicoaluminate 2-3 weight part, (trimethyl silicon based) phosphoric acid salt 1-2 weight part, barium metaborate 1-1.8 weight part, tri-thiol s-triazine 1-1.6 weight part, iron potassium aluminate 0.5-1 weight part, Polyglycolic acid fibre 0.1-0.8 weight part, tripoly phosphate sodium STPP 0-0.5 weight part and ethylenediamine tetraacetic acid (EDTA) 0-1 weight part is taken, add in clarifixator, mix;
(2) add Dawsonite Kompensan 1-3 weight part, bergapton 0.5-0.8 weight part and humic acid 0-0.5 weight part successively, at 50-60 DEG C, heat 15-20 minute;
(3) add vinelandii 0.5-1 weight part, stir, obtain heavy-metal contaminated soil repair materials.
The speed stirred described in step (3) is 100-150 rev/min.
compared with prior art, its beneficial effect is in the present invention:
(1) the heavy-metal contaminated soil repair materials that the present invention obtains take diatomite as main raw material, by adding flyash, dextrin, sodium silicoaluminate, Dawsonite Kompensan, (trimethyl silicon based) phosphoric acid salt, barium metaborate, tri-thiol s-triazine, iron potassium aluminate, vinelandii, bergapton and Polyglycolic acid fibre, obtained heavy-metal contaminated soil repair materials has good repairing effect, effectively can remove the heavy metal ion in soil, and repairing effect is stablized, and the fertilizer needed for plant-growth can be provided simultaneously.
(2) repair time of heavy-metal contaminated soil repair materials of the present invention is short, institute's expense is few, easy to use, and cost is lower.
(3) heavy-metal contaminated soil repair materials of the present invention, its preparation method is simple, is easy to suitability for industrialized production.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1
(1) diatomite 40kg, flyash 8kg, dextrin 8kg, sodium silicoaluminate 2kg, (trimethyl silicon based) phosphoric acid salt 1kg, barium metaborate 1kg, tri-thiol s-triazine 1kg, iron potassium aluminate 0.5kg and Polyglycolic acid fibre 0.1kg is taken, add in clarifixator, mix;
(2) add Dawsonite Kompensan 1kg and bergapton 0.5kg successively, heat 15 minutes at 50 DEG C;
(3) add vinelandii 0.5kg, stir with 100 revs/min, obtain heavy-metal contaminated soil repair materials.
The performance test results of obtained heavy-metal contaminated soil repair materials is as shown in table 1.
Embodiment 2
(1) diatomite 40kg, flyash 8kg, dextrin 8kg, sodium silicoaluminate 2kg, (trimethyl silicon based) phosphoric acid salt 1kg, barium metaborate 1kg, tri-thiol s-triazine 1kg, iron potassium aluminate 0.5kg, Polyglycolic acid fibre 0.1kg, tripoly phosphate sodium STPP 0.5kg and ethylenediamine tetraacetic acid (EDTA) 1kg is taken, add in clarifixator, mix;
(2) add Dawsonite Kompensan 1kg, bergapton 0.5kg and humic acid 0.5kg successively, heat 20 minutes at 60 DEG C;
(3) add vinelandii 0.5kg, stir with 100 revs/min, obtain heavy-metal contaminated soil repair materials.
The performance test results of obtained heavy-metal contaminated soil repair materials is as shown in table 1.
Embodiment 3
(1) diatomite 48kg, flyash 15kg, dextrin 15kg, sodium silicoaluminate 3kg, (trimethyl silicon based) phosphoric acid salt 2kg, barium metaborate 1.8kg, tri-thiol s-triazine 1.6kg, iron potassium aluminate 1kg, Polyglycolic acid fibre 0.8kg, tripoly phosphate sodium STPP 0.5kg and ethylenediamine tetraacetic acid (EDTA) 1kg is taken, add in clarifixator, mix;
(2) add Dawsonite Kompensan 3kg, bergapton 0.8kg and humic acid 0.5kg successively, heat 20 minutes at 60 DEG C;
(3) add vinelandii 1kg, stir with 150 revs/min, obtain heavy-metal contaminated soil repair materials.
The performance test results of obtained heavy-metal contaminated soil repair materials is as shown in table 1.
Embodiment 4
(1) diatomite 48kg, flyash 15kg, dextrin 15kg, sodium silicoaluminate 3kg, (trimethyl silicon based) phosphoric acid salt 2kg, barium metaborate 1.8kg, tri-thiol s-triazine 1kg, iron potassium aluminate 1kg, Polyglycolic acid fibre 0.1kg, tripoly phosphate sodium STPP 0.5kg and ethylenediamine tetraacetic acid (EDTA) 1kg is taken, add in clarifixator, mix;
(2) add Dawsonite Kompensan 3kg, bergapton 0.8kg and humic acid 0.5kg successively, heat 20 minutes at 60 DEG C;
(3) add vinelandii 1kg, stir with 150 revs/min, obtain heavy-metal contaminated soil repair materials.
The performance test results of obtained heavy-metal contaminated soil repair materials is as shown in table 1.
Embodiment 5
(1) diatomite 44kg, flyash 12kg, dextrin 12kg, sodium silicoaluminate 2.5kg, (trimethyl silicon based) phosphoric acid salt 1.5kg, barium metaborate 1.4kg, tri-thiol s-triazine 1.3kg, iron potassium aluminate 0.8kg, Polyglycolic acid fibre 0.4kg, tripoly phosphate sodium STPP 0.2kg and ethylenediamine tetraacetic acid (EDTA) 0.5kg is taken, add in clarifixator, mix;
(2) add Dawsonite Kompensan 2kg, bergapton 0.7kg and humic acid 0.2kg successively, heat 18 minutes at 55 DEG C;
(3) add vinelandii 0.8kg, stir with 120 revs/min, obtain heavy-metal contaminated soil repair materials.
The performance test results of obtained heavy-metal contaminated soil repair materials is as shown in table 1.
Comparative example 1
(1) diatomite 48kg, flyash 15kg, dextrin 15kg, sodium silicoaluminate 3kg, (trimethyl silicon based) phosphoric acid salt 2kg, barium metaborate 1.8kg, tri-thiol s-triazine 1.6kg, iron potassium aluminate 1kg, Polyglycolic acid fibre 0.8kg, tripoly phosphate sodium STPP 0.5kg and ethylenediamine tetraacetic acid (EDTA) 1kg is taken, add in clarifixator, mix;
(2) add Dawsonite Kompensan 3kg, bergapton 0.8kg and humic acid 0.5kg successively, heat 20 minutes at 60 DEG C, obtain heavy-metal contaminated soil repair materials.
The performance test results of obtained heavy-metal contaminated soil repair materials is as shown in table 1.
Comparative example 2
(1) diatomite 48kg, flyash 15kg, dextrin 15kg, sodium silicoaluminate 3kg, (trimethyl silicon based) phosphoric acid salt 2kg, barium metaborate 1.8kg, tri-thiol s-triazine 1.6kg, iron potassium aluminate 1kg, Polyglycolic acid fibre 0.8kg, tripoly phosphate sodium STPP 0.5kg and ethylenediamine tetraacetic acid (EDTA) 1kg is taken, add in clarifixator, mix;
(2) add Dawsonite Kompensan 3kg and humic acid 0.5kg successively, heat 20 minutes at 60 DEG C;
(3) add vinelandii 1kg, stir with 150 revs/min, obtain heavy-metal contaminated soil repair materials.
The performance test results of obtained heavy-metal contaminated soil repair materials is as shown in table 1.
Comparative example 3
(1) diatomite 48kg, flyash 15kg, dextrin 15kg, sodium silicoaluminate 3kg, (trimethyl silicon based) phosphoric acid salt 2kg, barium metaborate 1.8kg, tri-thiol s-triazine 1.6kg, iron potassium aluminate 1kg and ethylenediamine tetraacetic acid (EDTA) 1kg is taken, add in clarifixator, mix;
(2) add Dawsonite Kompensan 3kg, bergapton 0.8kg and humic acid 0.5kg successively, heat 20 minutes at 60 DEG C;
(3) add vinelandii 1kg, stir with 150 revs/min, obtain heavy-metal contaminated soil repair materials.
The performance test results of obtained heavy-metal contaminated soil repair materials is as shown in table 1.
Excavator is utilized to excavate pollution soil to be repaired, heavy-metal contaminated soil repair materials in above-described embodiment 1-5 and comparative example 1-3 is added into heavy metal contamination acid soil and applies 2cm thickness mix and blend, maintenance 10 days, carries out sampling monitoring, and result is specifically as shown in table 1.
Do not carrying out rice cultivation in the contaminated soil repaired, rice yield is 350kg/ mu, and at the soil species planting paddy rice after soil-repairing agent process of the present invention, the lead content result of the paddy rice of rice yield and the grown on soil after repairing is as shown in table 1.
Table 1
The invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (6)
1. a heavy-metal contaminated soil repair materials, is characterized in that, is made up of the component comprising following weight part:
Diatomite 40-48 part,
Flyash 8-15 part,
Dextrin 8-15 part,
Sodium silicoaluminate 2-3 part,
Dawsonite Kompensan 1-3 part,
(trimethyl silicon based) phosphoric acid salt 1-2 part,
Barium metaborate 1-1.8 part,
Tri-thiol s-triazine 1-1.6 part,
Iron potassium aluminate 0.5-1 part,
Vinelandii 0.5-1 part,
Bergapton 0.5-0.8 part,
Polyglycolic acid fibre 0.1-0.8 part.
2. heavy-metal contaminated soil repair materials according to claim 1, it is characterized in that, described component also comprises humic acid 0-0.5 weight part.
3. heavy-metal contaminated soil repair materials according to claim 1, it is characterized in that, described component also comprises tripoly phosphate sodium STPP 0-0.5 weight part.
4. heavy-metal contaminated soil repair materials according to claim 1, it is characterized in that, described component also comprises ethylenediamine tetraacetic acid (EDTA) 0-1 weight part.
5. a preparation method for heavy-metal contaminated soil repair materials, is characterized in that, the method comprises the following steps:
(1) diatomite 40-48 weight part, flyash 8-15 weight part, dextrin 8-15 weight part, sodium silicoaluminate 2-3 weight part, (trimethyl silicon based) phosphoric acid salt 1-2 weight part, barium metaborate 1-1.8 weight part, tri-thiol s-triazine 1-1.6 weight part, iron potassium aluminate 0.5-1 weight part, Polyglycolic acid fibre 0.1-0.8 weight part, tripoly phosphate sodium STPP 0-0.5 weight part and ethylenediamine tetraacetic acid (EDTA) 0-1 weight part is taken, add in clarifixator, mix;
(2) add Dawsonite Kompensan 1-3 weight part, bergapton 0.5-0.8 weight part and humic acid 0-0.5 weight part successively, at 50-60 DEG C, heat 15-20 minute;
(3) add vinelandii 0.5-1 weight part, stir, obtain heavy-metal contaminated soil repair materials.
6. the preparation method of heavy-metal contaminated soil repair materials according to claim 5, is characterized in that, the speed stirred described in step (3) is 100-150 rev/min.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106350076A (en) * | 2016-08-29 | 2017-01-25 | 何晓东 | Improving agent for industrial-dust polluted soil and preparation method of improving agent |
| CN106583439A (en) * | 2016-11-22 | 2017-04-26 | 沃邦环保有限公司 | Combined remediation method for heavy metal contaminated soil |
| CN106734157A (en) * | 2016-11-22 | 2017-05-31 | 沃邦环保有限公司 | A kind of cadmium pollution soil restorative procedure |
| CN111265810A (en) * | 2019-09-20 | 2020-06-12 | 连云港新江环保材料有限公司 | Efficient fly ash chelating agent and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101758068A (en) * | 2010-01-22 | 2010-06-30 | 中山大学 | Method for continuously repairing heavy metal in soil by using chelating agent |
| CN101805617A (en) * | 2009-02-16 | 2010-08-18 | 中国科学院沈阳应用生态研究所 | Soil heavy metal passivant for facilities vegetable field and preparation method thereof |
| CN102343357A (en) * | 2011-08-25 | 2012-02-08 | 上海市环境科学研究院 | Stabilizer suitable for heavy metal contaminated soil and application method thereof |
| CN104531159A (en) * | 2014-12-09 | 2015-04-22 | 成都新朝阳作物科学有限公司 | Soil repairing agent and preparation method thereof |
| CN104998894A (en) * | 2015-06-02 | 2015-10-28 | 中国环境科学研究院 | Solidification and stabilization method for mercury contaminated soil |
-
2015
- 2015-12-08 CN CN201510893817.0A patent/CN105368458A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805617A (en) * | 2009-02-16 | 2010-08-18 | 中国科学院沈阳应用生态研究所 | Soil heavy metal passivant for facilities vegetable field and preparation method thereof |
| CN101758068A (en) * | 2010-01-22 | 2010-06-30 | 中山大学 | Method for continuously repairing heavy metal in soil by using chelating agent |
| CN102343357A (en) * | 2011-08-25 | 2012-02-08 | 上海市环境科学研究院 | Stabilizer suitable for heavy metal contaminated soil and application method thereof |
| CN104531159A (en) * | 2014-12-09 | 2015-04-22 | 成都新朝阳作物科学有限公司 | Soil repairing agent and preparation method thereof |
| CN104998894A (en) * | 2015-06-02 | 2015-10-28 | 中国环境科学研究院 | Solidification and stabilization method for mercury contaminated soil |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106350076A (en) * | 2016-08-29 | 2017-01-25 | 何晓东 | Improving agent for industrial-dust polluted soil and preparation method of improving agent |
| CN106583439A (en) * | 2016-11-22 | 2017-04-26 | 沃邦环保有限公司 | Combined remediation method for heavy metal contaminated soil |
| CN106734157A (en) * | 2016-11-22 | 2017-05-31 | 沃邦环保有限公司 | A kind of cadmium pollution soil restorative procedure |
| CN111265810A (en) * | 2019-09-20 | 2020-06-12 | 连云港新江环保材料有限公司 | Efficient fly ash chelating agent and preparation method thereof |
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Application publication date: 20160302 |