CN104909961A - Method for producing soil remediation agent - Google Patents
Method for producing soil remediation agent Download PDFInfo
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- CN104909961A CN104909961A CN201510335405.5A CN201510335405A CN104909961A CN 104909961 A CN104909961 A CN 104909961A CN 201510335405 A CN201510335405 A CN 201510335405A CN 104909961 A CN104909961 A CN 104909961A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention relates to a method for producing a soil remediation agent. The method comprises the following steps: packaging urban degradable wastes by using a packaging machine, and conveying the packaged wastes into a drying barrel for drying and sterilization, thereby obtaining a product A; performing mechanical crushing on the product A so as to obtain a product B, feeding the product B into a fermentation tank, adding water, urea, monopotassium phosphate, zinc sulfate, a microorganism fungicide, a heavy metal passivator and the like in a certain weight ratio, adjusting the pH value to be alkalescence, and fermenting the product B at a certain temperature, thereby obtaining a product C; and mixing the product C with a nitrogen fertilizer, a phosphatic fertilizer, a potash fertilizer and medium trace element in a certain weight ratio, thereby obtaining the soil remediation agent. By adopting the soil remediation agent, the pH value of soil can be regulated, the crop root growth environment can be improved, the problem of soil caking can be solved, the water and fertilizer retention property and the air permeability of soil can be improved, plants can be prevented from toxic harm caused by heavy metals, and food security can be ensured.
Description
Technical field
The present invention relates to a kind of production method of soil-repairing agent.
Background technology
Due to Use out of range chemical fertilizer, the problems such as current China soil acidification, secondary salinization, soil compaction and ecological damage are on the rise, and cause utilization rate of fertilizer extremely low.Therefore soil remediation mentions schedule as national project.
Current domestic soil remediation is in the starting stage, and on market, product efficacy is uneven.Existing soil-repairing agent carries out repair process for a certain item index of soil mostly, function singleness, and the processing soil treatment agent had itself is higher containing heavy metal ratio, as the soil conditioner made of phosphogypsum, owing to not doing heavy metal Passivation Treatment to product, only emphasize the adjustment soda acid function of phosphogypsum, cause heavy metal to the secondary pollution of soil on the contrary.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of production method of soil-repairing agent, and the soil-repairing agent produced effectively can alleviate the pollution of heavy metal to soil, to guarantee food safety.
In order to solve the problems of the technologies described above, present invention employs following technical scheme:
A production method for soil-repairing agent, is characterized in that carrying out according to the following step:
1), by city degradable garbage carry out drying and sterilizing, drying and sterilizing obtains intermediates A;
2), intermediates A is carried out mechanical disintegration and obtain intermediates B;
3), intermediates B and water, urea, potassium primary phosphate, zinc sulfate, microbiobacterial agent, heavy metal deactivator and potassium hydroxide are put in fermentor tank according to a certain percentage, at a certain temperature middle product B is fermented, after fermentation, obtain intermediates C;
4), intermediates C is mixed according to a certain percentage with nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, medium trace element fertilizer.
Drying and sterilizing temperature described in step 1) is 65 ~ 85 DEG C, and drying time is 2 ~ 6h.
Step 2) described mechanical disintegration fineness requirement 80 ~ 300 order.
Intermediates B described in step 3) and water, urea, potassium primary phosphate, zinc sulfate, microbiobacterial agent, mass ratio between heavy metal deactivator and potassium hydroxide are 1:0.4 ~ 0.7:0.03 ~ 0.1:0.02 ~ 0.1:0.01 ~ 0.08:0.05 ~ 0.2:0.05 ~ 0.3:0.02 ~ 0.1; Leavening temperature is 5 ~ 35 DEG C; Fermentation time is 15 ~ 50 days.
Mass ratio between intermediates C described in step 4) and nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, medium trace element fertilizer is 10 ~ 90:10 ~ 90:0 ~ 90:0 ~ 90:0 ~ 40.
Microbiobacterial agent described in step 3) is the mixture of one or more in genus bacillus, milk-acid bacteria and yeast etc.
Described heavy metal deactivator is the two or more of a kind of or arbitrary proportion in the salts substances of oxalic acid, the salts substances of oxalic acid, humic acids, the salts substances of humic acids, Lalgine, the salts substances of Lalgine, polymeric amino acid and polymeric amino acid.
Nitrogenous fertilizer described in step 4) comprises ammonium sulfate, ammonium chloride and urea etc.; Phosphate fertilizer comprises monoammonium phosphate, diammonium phosphate and potassium primary phosphate; Potash fertilizer comprises Repone K, potassium sulfate and saltpetre; Medium trace element expense comprises nitrocalcite, magnesium sulfate, borax, zinc sulfate, manganous sulfate, copper sulfate, ferrous sulfate, ammonium molybdate and ethylenediamine tetraacetic acid disodium zinc salt.
The present invention has following Advantageous Effects:
The present invention, by thermal destruction, mechano-degradation, microbiological deterioration three degradeds, makes municipal wastes thoroughly become thoroughly decomposed.Soil-repairing agent adds heavy metal deactivator, for the heavy metal in passivation rubbish and soil, effectively can alleviate the pollution of heavy metal to soil, to guarantee food safety.City degradable garbage is processed, recycle of turning waste into wealth.Yeast alive, milk-acid bacteria, genus bacillus etc. are remained with after prepared product becomes thoroughly decomposed, for generation of glucide and plant mucilage, mineral idiosome and organic colloid combine, soil aggregate can be improved, strengthen the physicals of soil and reduce the loss of soil particle, under certain conditions, soil ulmin can also be participated in formed.Crop root growth environment can be improved, solve the problem of soil compaction, make loosing soil, preserve moisture and fertility, good permeability, make crop healthy growth under good environment.
Embodiment
The present invention is further illustrated below in conjunction with specific examples.
embodiment 1
(1), by city degradable garbage straw baler pack, be transported in drying roller after packing, at 70 DEG C, carry out drying and sterilizing, drying time 6 hours, after drying and sterilizing, obtain intermediates A.
(2), by intermediates A carry out mechanical disintegration degraded, after pulverizing, product fineness is 80 orders, obtains intermediates B.
(3), intermediates B and water, urea, potassium primary phosphate, zinc sulfate, yeast, potassium oxalate and potassium hydroxide are put in fermentor tank according to mass ratio 1:0.4:0.04:0.02:0.01:0.05:0.06:0.03,20 DEG C of bottom fermentations 25 days, after fermentation intermediates be C, C are weakly alkaline product.
(4), intermediates C and ammonium sulfate, monoammonium phosphate, potassium sulfate, magnesium sulfate, borax, zinc sulfate and manganous sulfate are mixed according to mass ratio 20:20:30:20:5:2:1:2 obtain soil-repairing agent.
embodiment 2
(1), by city degradable garbage straw baler pack, be transported in drying roller after packing, in 75 DEG C, carry out drying and sterilizing, drying time is 5 hours, obtains intermediates A after drying and sterilizing.
(2), by intermediates A carry out mechanical disintegration degraded, after pulverizing, product fineness is 100 orders, obtains intermediates B.
(3), intermediates B and water, urea, potassium primary phosphate, zinc sulfate, subtilis, sodium alginate and potassium hydroxide are put in fermentor tank according to mass ratio 1:0.5:0.04:0.03:0.03:0.05:0.05:0.02, ferment at 25 DEG C, fermentation time is 22 days, obtain intermediates C after fermentation, C is weakly alkaline product.
(4), by intermediates C mix according to mass ratio 90:10 with ammonium sulfate, obtain soil-repairing agent.
embodiment 3
(1), by city degradable garbage straw baler pack, be transported in drying roller after packing, in 80 DEG C, carry out drying and sterilizing, drying time is 4 hours, obtains intermediates A after drying and sterilizing.
(2), by intermediates A carry out mechanical disintegration degraded, after pulverizing, product fineness is 150 orders, obtains intermediates B.
(3), intermediates B and water, urea, potassium primary phosphate, zinc sulfate, jelly genus bacillus, poly-aspartic-acid potassium and potassium hydroxide are put in fermentor tank according to mass ratio 1:0.4:0.07:0.04:0.03:0.05:0.07:0.04, at 30 DEG C of bottom fermentations, fermentation time is 22 days, obtain intermediates C after fermentation, C is weakly alkaline product.
(4), by intermediates C mix according to mass ratio 80:5:3:2:5:2:1:2 with ammonium sulfate, monoammonium phosphate, potassium sulfate, magnesium sulfate, borax, zinc sulfate, manganous sulfate etc., obtain soil-repairing agent.
embodiment 4
(1), by city degradable garbage straw baler pack, be transported in drying roller after packing, in 85 DEG C, carry out drying and sterilizing, drying time is 3 hours, obtains intermediates A after drying and sterilizing.
(2), by intermediates A carry out mechanical disintegration degraded, after pulverizing, product fineness is 200 orders, obtains intermediates B.
(3), intermediates B and water, urea, potassium primary phosphate, zinc sulfate, Yoghourt, potassium humate and potassium hydroxide are put in fermentor tank according to mass ratio 1:0.4:0.06:0.03:0.04:0.2:0.08:0.03, ferment at 20 DEG C, fermentation time is 20 days, obtain intermediates C after fermentation, C is weakly alkaline product.
(4), by intermediates C mix according to mass ratio 70:10:5:5::5:2:1:2 with ammonium sulfate, monoammonium phosphate, potassium sulfate, magnesium sulfate, borax, zinc sulfate, manganous sulfate, obtain soil-repairing agent.
beneficial effect of the present invention is further illustrated below in conjunction with experimental data:
Use before this product with this product after Data Comparison as follows:
1 materials and methods
1.1 experimental field overviews
In Mouping, Yantai City, trivial Dayao man carries out in experiment, and soil is brunisolic soil.Soil nutrient situation is: organic 8.75g/kg, free cadmium: 0.3mg/kg, free arsenic: 0.05mg/kg, free chromium: 0.0mg/kg, free lead: 0.02mg/kg, free mercury: 0.0, pH5.82.
experiment is for examination material
Product soil-repairing agent of the present invention 2 bags, one bag 40 kilograms, point use in 2 years.
experimental design
Setup Experiments was same plot continuous administration 2 years.
experiment is implemented
During whole ground, apply product of the present invention, then sow, Second Year sampling detects data, then during whole ground, applies product of the present invention, then sow, and sampling in the 3rd year detects data.
results and analysis
| First Year is blank | Second Year process | Process in 3rd year | |
| Organic (mg/kg) | 8.75 | 9.01 | 9.12 |
| Free cadmium (mg/kg) | 0.3 | 0.12 | 0.09 |
| Free arsenic (mg/kg) | 0.05 | 0.03 | 0.02 |
| Free chromium (mg/kg) | 0 | 0 | 0 |
| Free lead (mg/kg) | 0.02 | 0 | 0 |
| Free mercury (mg/kg) | 0 | 0 | 0 |
| pH | 5.82 | 5.85 | 5.86 |
As can be seen from the above results, organic matter is increasing year by year, illustrates that soil fertility is in increase, heavy metal content declines year by year, illustrate that this product has unusual effect in fixing heavy metal, pH raises year by year, illustrates that this product has certain effect in improvement soil acidification.
Claims (8)
1. a production method for soil-repairing agent, is characterized in that carrying out according to the following step:
1), by city degradable garbage carry out drying and sterilizing, drying and sterilizing obtains intermediates A;
2), intermediates A is carried out mechanical disintegration and obtain intermediates B;
3), intermediates B and water, urea, potassium primary phosphate, zinc sulfate, microbiobacterial agent, heavy metal deactivator and potassium hydroxide are put in fermentor tank according to a certain percentage, at a certain temperature middle product B is fermented, after fermentation, obtain intermediates C;
4), intermediates C is mixed according to a certain percentage with nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, medium trace element fertilizer.
2. the production method of soil-repairing agent as claimed in claim 1, it is characterized in that: drying and sterilizing temperature described in step 1) is 65 ~ 85 DEG C, drying time is 2 ~ 6h.
3. the production method of soil-repairing agent as claimed in claim 1, is characterized in that: step 2) described mechanical disintegration fineness requirement 80 ~ 300 order.
4. the production method of a kind of soil-repairing agent as claimed in claim 1, is characterized in that: intermediates B described in step 3) and water, urea, potassium primary phosphate, zinc sulfate, microbiobacterial agent, mass ratio between heavy metal deactivator and potassium hydroxide are 1:0.4 ~ 0.7:0.03 ~ 0.1:0.02 ~ 0.1:0.01 ~ 0.08:0.05 ~ 0.2:0.05 ~ 0.3:0.02 ~ 0.1; Leavening temperature is 5 ~ 35 DEG C; Fermentation time is 15 ~ 50 days.
5. the production method of soil-repairing agent as claimed in claim 1, is characterized in that: the mass ratio between intermediates C described in step 4) and nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, medium trace element fertilizer is 10 ~ 90:10 ~ 90:0 ~ 90:0 ~ 90:0 ~ 40.
6. the production method of soil-repairing agent as claimed in claim 1, is characterized in that: microbiobacterial agent described in step 3) is the mixture of one or more in genus bacillus, milk-acid bacteria and yeast etc.
7. the production method of soil-repairing agent as claimed in claim 1, is characterized in that: described heavy metal deactivator is the two or more of a kind of or arbitrary proportion in the salts substances of oxalic acid, the salts substances of oxalic acid, humic acids, the salts substances of humic acids, Lalgine, the salts substances of Lalgine, polymeric amino acid and polymeric amino acid.
8. the production method of soil-repairing agent as claimed in claim 1, is characterized in that: nitrogenous fertilizer described in step 4) comprises ammonium sulfate, ammonium chloride and urea etc.; Phosphate fertilizer comprises monoammonium phosphate, diammonium phosphate and potassium primary phosphate; Potash fertilizer comprises Repone K, potassium sulfate and saltpetre; Medium trace element expense comprises nitrocalcite, magnesium sulfate, borax, zinc sulfate, manganous sulfate, copper sulfate, ferrous sulfate, ammonium molybdate and ethylenediamine tetraacetic acid disodium zinc salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510335405.5A CN104909961A (en) | 2015-06-17 | 2015-06-17 | Method for producing soil remediation agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510335405.5A CN104909961A (en) | 2015-06-17 | 2015-06-17 | Method for producing soil remediation agent |
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| CN104909961A true CN104909961A (en) | 2015-09-16 |
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| CN201510335405.5A Pending CN104909961A (en) | 2015-06-17 | 2015-06-17 | Method for producing soil remediation agent |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109351769A (en) * | 2018-12-10 | 2019-02-19 | 中国石油大学(华东) | Heavy-metal contaminated soil humic acid green in-situ solidifies renovation technique |
| CN109912345A (en) * | 2019-04-02 | 2019-06-21 | 北京国达恒泰科贸有限责任公司 | Solid organic castoff is the function organic compound fertilizer and preparation method of substrate and application |
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| CN1884217A (en) * | 2006-07-06 | 2006-12-27 | 上海交通大学 | Process for manufacturing granular complex fertilizer from sludge and fly-ash by blending, granulation, and gas purification |
| CN101486613A (en) * | 2009-02-18 | 2009-07-22 | 沃邦（江苏）生态肥业有限公司 | Method for preparing organic fertilizer by mixed fermentation of water hyacinth and dewatered sludge |
| CN101575227A (en) * | 2009-06-17 | 2009-11-11 | 北京美华博大环境工程有限公司 | Method for manufacturing organic fertilizer by utilizing sludge |
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2015
- 2015-06-17 CN CN201510335405.5A patent/CN104909961A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1884217A (en) * | 2006-07-06 | 2006-12-27 | 上海交通大学 | Process for manufacturing granular complex fertilizer from sludge and fly-ash by blending, granulation, and gas purification |
| CN101486613A (en) * | 2009-02-18 | 2009-07-22 | 沃邦（江苏）生态肥业有限公司 | Method for preparing organic fertilizer by mixed fermentation of water hyacinth and dewatered sludge |
| CN101575227A (en) * | 2009-06-17 | 2009-11-11 | 北京美华博大环境工程有限公司 | Method for manufacturing organic fertilizer by utilizing sludge |
Non-Patent Citations (2)
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| 党永富: "《土壤污染与生态治理：农业安全工程系统建设》", 31 January 2015, 中国水利水电出版社 * |
| 胡满成、汤发有: "《大学综合化学实验》", 30 June 2009, 陕西示范大学出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109351769A (en) * | 2018-12-10 | 2019-02-19 | 中国石油大学(华东) | Heavy-metal contaminated soil humic acid green in-situ solidifies renovation technique |
| CN109912345A (en) * | 2019-04-02 | 2019-06-21 | 北京国达恒泰科贸有限责任公司 | Solid organic castoff is the function organic compound fertilizer and preparation method of substrate and application |
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Application publication date: 20150916 |