CN105583217A - Conditioner for repairing heavy metal contaminated soil and preparing method for conditioner - Google Patents
Conditioner for repairing heavy metal contaminated soil and preparing method for conditioner Download PDFInfo
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- CN105583217A CN105583217A CN201510979794.5A CN201510979794A CN105583217A CN 105583217 A CN105583217 A CN 105583217A CN 201510979794 A CN201510979794 A CN 201510979794A CN 105583217 A CN105583217 A CN 105583217A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a conditioner for repairing heavy metal contaminated soil and a preparing method for the conditioner. The conditioner comprises, by weight part, 18-33 parts of oyster powder, 11-17 parts of biogas residue, 4-10 parts of cow dung, 3-11 parts of selenium nitrate, 4-9 parts of calcium molybdate, 2-8 parts of barium phosphonate, 5-11 parts of superphosphate, 50-85 parts of calcareous soil, 6-10 parts of calcium oxalate, 7-12 parts of sugarcane ash, 3-10 parts of palygorskite, 2-8 parts of bamboo powder, 1-3 parts of yeast powder and 4-8 parts of poly dimethyl diallyl ammonium chloride and further comprises 0.1-1.5 parts of cellulose decomposition bacterium agent and 0.3-1.8 parts of silicate bacterium. By means of the prepared conditioner, the content of organic matter in the soil, the content of salt in the soil and the content of available nitrogen in the soil are obviously increased, the texture and the structure of the soil are improved, and the conditioner is suitable for agricultural planting.
Description
Technical field
The invention belongs to soil remediation field, be specifically related to a kind of heavy-metal contaminated soil reparation conditioner and preparation method thereof.
Background technology
Develop rapidly along with industrial, a large amount of uses of a large amount of exploitations of mineral resources and various agricultural chemicals, chemicals, make various heavy metal contaminants enter by all means soil, cause heavy metal content in soil to exceed standard, particularly agro-farming is the most serious with the By The Heavy Metal Contaminated Soil in rice field.
For above problem, people can take chemistry, physics or biological method by the heavy metal in soil by passivation, solidify or bio-absorbable transforms or the form removal such as degraded, with reduce heavy metal by food chain transport in human body or other place, health and ecological environment are brought to larger harm. But, conventionally be not suitable for cultivating by the soil of repairing, especially the soil of repairing by chemical method, due to quality and the destructurized Planting Crops that is more not suitable for of soil, therefore needs first the soil after repairing to be nursed one's health and processed or use together with soil-repairing agent. But, on market, do not have now one soil remediation conditioner fast and effectively, to recover quality and the structure etc. after soil remediation, make its arability crops.
Summary of the invention
The technical problem solving is: destroyed in order to solve soil texture, the quality of the soil after reparation, should not cultivate, and one soil remediation conditioner is fast and effectively provided, to recover quality and the structure etc. after soil remediation, make its suitable cultivating.
Technical scheme: in order to address the above problem, the invention provides a kind of heavy-metal contaminated soil reparation conditioner, meter by weight, this conditioner consists of:
4 ~ 8 parts of 1 ~ 3 part of 18 ~ 33 parts of ostreae testa pulverata, 11 ~ 17 parts of natural pond slags, 4 ~ 10 parts of cow dungs, 3 ~ 11 parts, nitric acid selenium, 4 ~ 9 parts of calcium molybdates, 2 ~ 8 parts of barium phosphates, 5 ~ 11 parts of calcium superphosphate, 50 ~ 85 parts of calacareous soils, 6 ~ 10 parts of calcium oxalates, 7 ~ 12 parts of sugarcane ashes, 3 ~ 10 parts of palygorskites, 2 ~ 8 parts, bamboo powder, dusty yeast and PDDAs.
Further, also comprise 0.1 ~ 1.5 portion of cellulose decomposition microbial inoculum and 0.3 ~ 1.8 part of silicate bacteria agent.
Described conditioner, meter by weight, this conditioner consists of:
5 parts of 24 parts of ostreae testa pulveratas, 13 parts of natural pond slags, 5 parts of cow dungs, 6 parts, nitric acid selenium, 5 parts of calcium molybdates, 3 parts of barium phosphates, 7 parts of calcium superphosphate, 68 parts of calacareous soils, 8 parts of calcium oxalates, 10 parts of sugarcane ashes, 5 parts of palygorskites, 6 parts, bamboo powder, 2 parts of dusty yeasts and PDDAs.
Further, also comprise 0.6 portion of cellulose decomposition microbial inoculum and 0.9 part of silicate bacteria agent.
A preparation method for conditioner for heavy-metal contaminated soil reparation, preparation process is as follows:
(1) cow dung and dusty yeast are mixed, for subsequent use place 10 ~ 48h at 42 ~ 50 DEG C after;
(2) by carrying out mechanical crushing after calacareous soil and palygorskite mixing, then crushed material is transferred in blending tank;
(3) nitric acid selenium, calcium molybdate, barium phosphate, calcium superphosphate and calcium oxalate are joined in blending tank, stir;
(4) sugarcane ash, bamboo powder, ostreae testa pulverata, natural pond slag and PDDA are joined in blending tank, stir;
(5) cow dung-dusty yeast mixture is joined in blending tank, mix and obtain compound, can pack outbound.
Further, described step (5) also comprises in packaging 35 DEG C of water that cellulose decomposition microbial inoculum and silicate bacteria agent are placed in respectively to 30 times of weight before outbound, after stirring, is sprayed on compound.
Further, in described step (1), temperature is 46 DEG C, and the time is 24h.
The present invention has following beneficial effect: the prepared conditioner of the present invention all obviously improves the content of organic matter in soil, salt content and available nitrogen content, has improved quality and the structure of soil, suitable agricultural planting. Result of the test also shows, calacareous soil, nitric acid selenium and palygorskite in component, and cellulose decomposition microbial inoculum and silicate bacteria agent, and the conditioning of the quality to soil plays an important role.
Detailed description of the invention
In order further to understand the present invention, below in conjunction with embodiment, invention specific embodiments is described, but should be appreciated that these are described is for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
Embodiment 1
A kind of heavy-metal contaminated soil reparation conditioner, meter by weight, this conditioner consists of:
4 parts of 18 parts of ostreae testa pulveratas, 11 parts of natural pond slags, 4 parts of cow dungs, 3 parts, nitric acid selenium, 4 parts of calcium molybdates, 2 parts of barium phosphates, 5 parts of calcium superphosphate, 50 parts of calacareous soils, 6 parts of calcium oxalates, 7 parts of sugarcane ashes, 3 parts of palygorskites, 2 parts, bamboo powder, 1 part of dusty yeast and PDDAs.
Also comprise 0.1 portion of cellulose decomposition microbial inoculum and 0.3 part of silicate bacteria agent.
The preparation method of conditioner for described a kind of heavy-metal contaminated soil reparation, preparation process is as follows:
(1) cow dung and dusty yeast are mixed, for subsequent use place 10h at 42 DEG C after;
(2) by carrying out mechanical crushing after calacareous soil and palygorskite mixing, then crushed material is transferred in blending tank;
(3) nitric acid selenium, calcium molybdate, barium phosphate, calcium superphosphate and calcium oxalate are joined in blending tank, stir;
(4) sugarcane ash, bamboo powder, ostreae testa pulverata, natural pond slag and PDDA are joined in blending tank, stir;
(5) cow dung-dusty yeast mixture is joined in blending tank, mix and obtain compound, then cellulose decomposition microbial inoculum and silicate bacteria agent are placed in respectively to 35 DEG C of water of 30 times of weight, after stirring, be sprayed on compound; Can pack outbound.
Embodiment 2
A kind of heavy-metal contaminated soil reparation conditioner, meter by weight, this conditioner consists of:
8 parts of 33 parts of ostreae testa pulveratas, 17 parts of natural pond slags, 10 parts of cow dungs, 11 parts, nitric acid selenium, 9 parts of calcium molybdates, 8 parts of barium phosphates, 11 parts of calcium superphosphate, 85 parts of calacareous soils, 10 parts of calcium oxalates, 12 parts of sugarcane ashes, 10 parts of palygorskites, 8 parts, bamboo powder, 3 parts of dusty yeasts and PDDAs.
Also comprise 1.5 portions of cellulose decomposition microbial inoculums and 1.8 parts of silicate bacteria agent.
The preparation method of conditioner for described a kind of heavy-metal contaminated soil reparation, preparation process is as follows:
(1) cow dung and dusty yeast are mixed, for subsequent use place 48h at 50 DEG C after;
(2) by carrying out mechanical crushing after calacareous soil and palygorskite mixing, then crushed material is transferred in blending tank;
(3) nitric acid selenium, calcium molybdate, barium phosphate, calcium superphosphate and calcium oxalate are joined in blending tank, stir;
(4) sugarcane ash, bamboo powder, ostreae testa pulverata, natural pond slag and PDDA are joined in blending tank, stir;
(5) cow dung-dusty yeast mixture is joined in blending tank, mix and obtain compound, then cellulose decomposition microbial inoculum and silicate bacteria agent are placed in respectively to 35 DEG C of water of 30 times of weight, after stirring, be sprayed on compound; Can pack outbound.
Embodiment 3
A kind of heavy-metal contaminated soil reparation conditioner, meter by weight, this conditioner consists of:
6 parts of 25 parts of ostreae testa pulveratas, natural pond slag 14,7 parts of cow dungs, 7 parts, nitric acid selenium, 6 parts of calcium molybdates, 5 parts of barium phosphates, 8 parts of calcium superphosphate, 67 parts of calacareous soils, 8 parts of calcium oxalates, 9 parts of sugarcane ashes, 6 parts of palygorskites, 5 parts, bamboo powder, 2 parts of dusty yeasts and PDDAs.
Also comprise 0.8 portion of cellulose decomposition microbial inoculum and 1.1 parts of silicate bacteria agent.
The preparation method of conditioner for described a kind of heavy-metal contaminated soil reparation, preparation process is as follows:
(1) cow dung and dusty yeast are mixed, for subsequent use place 30h at 46 DEG C after;
(2) by carrying out mechanical crushing after calacareous soil and palygorskite mixing, then crushed material is transferred in blending tank;
(3) nitric acid selenium, calcium molybdate, barium phosphate, calcium superphosphate and calcium oxalate are joined in blending tank, stir;
(4) sugarcane ash, bamboo powder, ostreae testa pulverata, natural pond slag and PDDA are joined in blending tank, stir;
(5) cow dung-dusty yeast mixture is joined in blending tank, mix and obtain compound, then cellulose decomposition microbial inoculum and silicate bacteria agent are placed in respectively to 35 DEG C of water of 30 times of weight, after stirring, be sprayed on compound; Can pack outbound.
Embodiment 4
A kind of heavy-metal contaminated soil reparation conditioner, meter by weight, this conditioner consists of:
5 parts of 24 parts of ostreae testa pulveratas, 13 parts of natural pond slags, 5 parts of cow dungs, 6 parts, nitric acid selenium, 5 parts of calcium molybdates, 3 parts of barium phosphates, 7 parts of calcium superphosphate, 68 parts of calacareous soils, 8 parts of calcium oxalates, 10 parts of sugarcane ashes, 5 parts of palygorskites, 6 parts, bamboo powder, 2 parts of dusty yeasts and PDDAs.
Also comprise 0.6 portion of cellulose decomposition microbial inoculum and 0.9 part of silicate bacteria agent.
The preparation method of conditioner for described a kind of heavy-metal contaminated soil reparation, preparation process is as follows:
(1) cow dung and dusty yeast are mixed, for subsequent use place 24h at 46 DEG C after;
(2) by carrying out mechanical crushing after calacareous soil and palygorskite mixing, then crushed material is transferred in blending tank;
(3) nitric acid selenium, calcium molybdate, barium phosphate, calcium superphosphate and calcium oxalate are joined in blending tank, stir;
(4) sugarcane ash, bamboo powder, ostreae testa pulverata, natural pond slag and PDDA are joined in blending tank, stir;
(5) cow dung-dusty yeast mixture is joined in blending tank, mix and obtain compound, then cellulose decomposition microbial inoculum and silicate bacteria agent are placed in respectively to 35 DEG C of water of 30 times of weight, after stirring, be sprayed on compound; Can pack outbound.
Embodiment 5
A kind of heavy-metal contaminated soil reparation conditioner, meter by weight, this conditioner consists of:
7 parts of 30 parts of ostreae testa pulveratas, 12 parts of natural pond slags, 8 parts of cow dungs, 6 parts, nitric acid selenium, 5 parts of calcium molybdates, 6 parts of barium phosphates, 9 parts of calcium superphosphate, 78 parts of calacareous soils, 7 parts of calcium oxalates, 9 parts of sugarcane ashes, 8 parts of palygorskites, 5 parts, bamboo powder, 2 parts of dusty yeasts and PDDAs.
Also comprise 1.2 portions of cellulose decomposition microbial inoculums and 1.5 parts of silicate bacteria agent.
The preparation method of conditioner for described a kind of heavy-metal contaminated soil reparation, preparation process is as follows:
(1) cow dung and dusty yeast are mixed, for subsequent use place 28h at 48 DEG C after;
(2) by carrying out mechanical crushing after calacareous soil and palygorskite mixing, then crushed material is transferred in blending tank;
(3) nitric acid selenium, calcium molybdate, barium phosphate, calcium superphosphate and calcium oxalate are joined in blending tank, stir;
(4) sugarcane ash, bamboo powder, ostreae testa pulverata, natural pond slag and PDDA are joined in blending tank, stir;
(5) cow dung-dusty yeast mixture is joined in blending tank, mix and obtain compound, then cellulose decomposition microbial inoculum and silicate bacteria agent are placed in respectively to 35 DEG C of water of 30 times of weight, after stirring, be sprayed on compound; Can pack outbound.
Comparative example 1
This comparative example is compared with embodiment 1, and its difference is: not limy soil, nitric acid selenium and palygorskite.
Comparative example 2
This comparative example is compared with embodiment 1, and its difference is: containing 0.1 portion of cellulose decomposition microbial inoculum and 0.3 part of silicate bacteria agent, meanwhile also do not comprise the step that this cellulose decomposition microbial inoculum and silicate bacteria agent is placed in to warm water and is sprayed at compound; Other one-tenth are grouped into preparation process identical with embodiment 1, do not repeat them here.
Effective bacterial content of the cellulose decomposition microbial inoculum described in the various embodiments described above and comparative example is 6 × 107Cfu/g, effective bacterial content of described silicate bacteria agent is 4 × 108Cfu/g, and two kinds of microbial inoculums all adopt general preparation method's preparation and obtain.
Performance test
Be 8 fritters by soil equipartition to be nursed one's health a slice, after the sandy soil of getting respectively the prepared conditioner of above-described embodiment of identical weight and comparative example and identical weight mix, be sprinkling upon on the wherein seven fritter surfaces of soil to be nursed one's health, the weight of the active ingredient of spreading is 8g/m2, the sandy soil that a remaining fritter soil only spreads identical gross weight are as blank. After half a year, the dark soil of 15cm of getting respectively each fritter soil carries out sample examination, and test result is as shown in the table:
As seen from the above table, the prepared conditioner of the present invention all obviously improves the content of organic matter in soil, salt content and available nitrogen content, has improved quality and the structure of soil, suitable agricultural planting. In comparative example, owing to lacking component, relatively and embodiment 1, its content of organic matter, salt content and available nitrogen content all decline to some extent, this has also illustrated, calacareous soil, nitric acid selenium and palygorskite in component, and cellulose decomposition microbial inoculum and silicate bacteria agent, the conditioning of the quality to soil plays an important role. From the above results, embodiment 4 is most preferred embodiment of the present invention.
Claims (7)
1. a heavy-metal contaminated soil reparation conditioner, is characterized in that, meter by weight, and this conditioner consists of:
4 ~ 8 parts of 1 ~ 3 part of 18 ~ 33 parts of ostreae testa pulverata, 11 ~ 17 parts of natural pond slags, 4 ~ 10 parts of cow dungs, 3 ~ 11 parts, nitric acid selenium, 4 ~ 9 parts of calcium molybdates, 2 ~ 8 parts of barium phosphates, 5 ~ 11 parts of calcium superphosphate, 50 ~ 85 parts of calacareous soils, 6 ~ 10 parts of calcium oxalates, 7 ~ 12 parts of sugarcane ashes, 3 ~ 10 parts of palygorskites, 2 ~ 8 parts, bamboo powder, dusty yeast and PDDAs.
2. conditioner according to claim 1, is characterized in that, also comprises 0.1 ~ 1.5 portion of cellulose decomposition microbial inoculum and 0.3 ~ 1.8 part of silicate bacteria agent.
3. conditioner according to claim 1, is characterized in that, meter by weight, and this conditioner consists of:
5 parts of 24 parts of ostreae testa pulveratas, 13 parts of natural pond slags, 5 parts of cow dungs, 6 parts, nitric acid selenium, 5 parts of calcium molybdates, 3 parts of barium phosphates, 7 parts of calcium superphosphate, 68 parts of calacareous soils, 8 parts of calcium oxalates, 10 parts of sugarcane ashes, 5 parts of palygorskites, 6 parts, bamboo powder, 2 parts of dusty yeasts and PDDAs.
4. conditioner according to claim 3, is characterized in that, also comprises 0.6 portion of cellulose decomposition microbial inoculum and 0.9 part of silicate bacteria agent.
5. a preparation method for conditioner for the heavy-metal contaminated soil reparation as described in claim 1 or 4, is characterized in that, preparation process is as follows:
(1) cow dung and dusty yeast are mixed, for subsequent use place 10 ~ 48h at 42 ~ 50 DEG C after;
(2) by carrying out mechanical crushing after calacareous soil and palygorskite mixing, then crushed material is transferred in blending tank;
(3) nitric acid selenium, calcium molybdate, barium phosphate, calcium superphosphate and calcium oxalate are joined in blending tank, stir;
(4) sugarcane ash, bamboo powder, ostreae testa pulverata, natural pond slag and PDDA are joined in blending tank, stir;
(5) cow dung-dusty yeast mixture is joined in blending tank, mix and obtain compound, can pack outbound.
6. preparation method according to claim 5, is characterized in that, described step (5) also comprises in packaging 35 DEG C of water that cellulose decomposition microbial inoculum and silicate bacteria agent are placed in respectively to 30 times of weight before outbound, after stirring, is sprayed on compound.
7. preparation method according to claim 5, is characterized in that, in described step (1), temperature is 46 DEG C, and the time is 24h.
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| CN106190155A (en) * | 2016-07-16 | 2016-12-07 | 襄汾县科农种植专业合作社 | A kind of conditioner of heavy-metal contaminated soil |
| CN105969705A (en) * | 2016-07-30 | 2016-09-28 | 袁志辉 | Stabilizing agent for selenium-contaminated soil repairing bacteria |
| 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 |
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