CN105935700A - Method for utilizing pig manures to remediate vegetable greenhouse soil - Google Patents
Method for utilizing pig manures to remediate vegetable greenhouse soil Download PDFInfo
- Publication number
- CN105935700A CN105935700A CN201610386524.8A CN201610386524A CN105935700A CN 105935700 A CN105935700 A CN 105935700A CN 201610386524 A CN201610386524 A CN 201610386524A CN 105935700 A CN105935700 A CN 105935700A
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- China
- Prior art keywords
- soil
- pig manure
- pig
- charcoal
- heavy metal
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Classifications
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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
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
- B09C1/105—Reclamation of contaminated soil microbiologically, biologically or by using enzymes using fungi or plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
Abstract
The invention discloses a method for utilizing pig manures to remediate vegetable greenhouse soil. The method comprises the steps of fermenting the recycled pig manures by adopting microbial culture starters; thermally cracking the fermented pig manures at the tempreature of 380 DEG C at low speed to obtain pig manure charcoal; completing the remediation of the soil by using 10t/mu of pig manure charcoal in the vegetable greenhouse soil with heavy metal pollution. Compared with the prior art, the method for utilizing the pig manures to remediate the vegetable greenhouse soil provided by the invention has the following advantages that after the pig manures and sunflower heads are fermented, the activity of heavy metal in the pig manures is weakened, metal ions and organic matters are bonded to form stable compounds, the pig manure charcoal obtained through thermal cracking at low temperature has higher porosity, the problem of poor soil permeability is solved, a large number of stable aromatic structures are contained, the increase of the sunflower heads is also beneficial to greatly increasing the content of P in the pig manure charcoal, and the adsorption capacity on the heavy metal ions is increased, so that heavy metal residues in the soil are further reduced, the PH value of the soil is improved to reach the normal standard, and the polluted vegetable greenhouse soil is effectively remediated.
Description
Technical field
The invention belongs to technical field of agricultural breeding, be specifically related to a kind of method utilizing pig manure to repair green house of vegetables soil.
Background technology
nullAlong with industrial development and the expanding day of urbanization，By Industrial " three Waste "、A large amount of toxic organic compounds that domestic waste and sewage the like waste cause and inorganic matter，By migrating、Irrigate、The approach such as precipitation enter soil，Soil is produced and pollutes，Along with numerous residents are increasing to the demand of vegetable，Various places vegetables greenhouse cultivation area expanding day，Vegetable grower is more and more urgent to the pursuit of yield and benefit，In order to improve yield of vegetables，Vegetable grower uses fertilizer in a large number、Pesticide、The means of production such as agricultural film，And may be by some heavy metal、Pathogenic microorganism、Organic pollution brings soil into，Plastic shed soil is polluted，Soil rotten level is up to about 20%，Pathogen can be grown，Water holding capacity is poor，Soil is acidity，Containing Hg、As、Cd、Pb、The heavy metals such as Cr，Retained fixing by different way by soil，Soil aperture is fine and closely woven，Permeability、Bad hydraulic permeability，Vegetable root system is easily caused to go mouldy、Rot even downright bad.
Summary of the invention
It is an object of the invention to for existing problem, it is provided that a kind of method utilizing pig manure to repair green house of vegetables soil.
The present invention is achieved by the following technical solutions: a kind of method utilizing pig manure to repair green house of vegetables soil, after the pig manure reclaimed is used microbe leaven fermentation, thermal cracking at a slow speed under conditions of 380 DEG C, obtain pig manure charcoal, by pig manure charcoal with the usage amount of 10 tons/mu in the green house of vegetables soil having heavy metal pollution, complete the reparation to soil；
Wherein, described microbe leaven includes multiple strain, strain viable count weight range is as follows: bacillus megaterium 6 × 109-9 × 109cfu/g, streptococcus acidi lactici 1 × 109-3 × 109cfu/g, lactobacillus rhamnosus 5 × 109-7 × 109cfu/g, Cellulomonase fimi 4 × 108-8 × 108cfu/g；
Wherein, the fermentation process of described pig manure, including herein below: the water content processing pig manure is 50-60%, sunflower plate pulverizes slagging before combination, pig manure and sunflower plate slag mix with the weight ratio of 10:3, then admix mentioned microorganism leaven, ferment 20-25 days at a temperature of 45-55 DEG C, then drying obtains the moisture fermentation material less than 8%, can carry out next step operation.
As further improvement of these options, the P content of described pig manure charcoal is 30.5-32.8g/Kg.
As further improvement of these options, described in have the pH value of green house of vegetables soil of heavy metal pollution be 2.0-3.5, Heavy Metals is Hg, As, Cd, Pb, Cr.
As further improvement of these options, the using method of described pig manure charcoal is: puddle uniformly by pig manure charcoal and compoiste fertilizer according to the weight ratio of 3:2, uniformly impose on soil surface, then use related tool by Soil tillage deep for 20-25cm, pig manure charcoal, fertilizer and soil is made to be sufficiently mixed, after acting on 3 weeks, result is repaired in detection, reaches the standard of planting to get final product planting vegetable if repaired；If not up to, then needing to re-use appropriate pig manure charcoal and turn in aforementioned manners in soil, carry out after 1 week detecting.
The present invention has the advantage that after being fermented with sunflower plate by pig manure in the present invention compared to existing technology, reduce the activity of heavy metal in pig manure, metal ion forms stable complex with organic combination, the most again after Low Temperature Thermal cracks, the pig manure charcoal obtained has higher porosity, the problem improving soil permeability difference, containing the most stable aromatic structure, the increase of sunflower plate also substantially increases the content of P in pig manure charcoal, it is made to improve 180-220% than P content in raw material, phosphonate functional group quantity on the charcoal skeleton of pig manure charcoal is bigger, heavy metal ion adsorption capacity is strong, and then the heavy metal residue in minimizing soil, simultaneously, pig manure charcoal is alkalescence, P in soil H-number can be improved for soil, reach normal level, thus contaminated green house of vegetables soil is effectively repaired.
Detailed description of the invention
Embodiment
A kind of method utilizing pig manure to repair green house of vegetables soil, after the pig manure that will reclaim uses microbe leaven fermentation, thermal cracking at a slow speed under conditions of 380 DEG C, obtain pig manure charcoal, by pig manure charcoal with the usage amount of 10 tons/mu in the green house of vegetables soil having heavy metal pollution, complete the reparation to soil；
Wherein, described microbe leaven includes multiple strain, strain viable count weight range is as follows: bacillus megaterium 6 × 109-9 × 109cfu/g, streptococcus acidi lactici 1 × 109-3 × 109cfu/g, lactobacillus rhamnosus 5 × 109-7 × 109cfu/g, Cellulomonase fimi 4 × 108-8 × 108cfu/g；
Wherein, the fermentation process of described pig manure, including herein below: the water content processing pig manure is 50-60%, sunflower plate pulverizes slagging before combination, pig manure and sunflower plate slag mix with the weight ratio of 10:3, then admix mentioned microorganism leaven, ferment 20-25 days at a temperature of 45-55 DEG C, then drying obtains the moisture fermentation material less than 8%, can carry out next step operation.
In the present invention, described in have the pH value of green house of vegetables soil of heavy metal pollution be 2.0-3.5, Heavy Metals is Hg, As, Cd, Pb, Cr.
The using method of described pig manure charcoal is: puddle uniformly by pig manure charcoal and compoiste fertilizer according to the weight ratio of 3:2, uniformly impose on soil surface, then use related tool by Soil tillage deep for 20-25cm, pig manure charcoal, fertilizer and soil is made to be sufficiently mixed, after acting on 3 weeks, result is repaired in detection, reaches the standard of planting to get final product planting vegetable if repaired；If not up to, then needing to re-use appropriate pig manure charcoal and turn in aforementioned manners in soil, carry out after 1 week detecting.
After contaminated green house of vegetables being processed by method in the present invention, can be by its pH value regulation to 5.5-6.5, can adjust accordingly again according to planted vegetable species, detection heavy metal in soil slag content significantly reduces, return to normal level, can also increase soil fertility, reduce discharging Soil Trace Gases etc., contribute to the recycling of soil ecosystem.
Claims (4)
1. one kind utilizes the method that pig manure repairs green house of vegetables soil, it is characterized in that, after the pig manure reclaimed is used microbe leaven fermentation, thermal cracking at a slow speed under conditions of 380 DEG C, obtain pig manure charcoal, by pig manure charcoal with the usage amount of 10 tons/mu in the green house of vegetables soil having heavy metal pollution, complete the reparation to soil；
Wherein, described microbe leaven includes multiple strain, and strain viable count weight range is as follows: bacillus megaterium 6 × 109-9×109Cfu/g, streptococcus acidi lactici 1 × 109-3×109Cfu/g, lactobacillus rhamnosus 5 × 109-7×109Cfu/g, Cellulomonase fimi 4 × 108-8×108cfu/g；
Wherein, the fermentation process of described pig manure, including herein below: the water content processing pig manure is 50-60%, sunflower plate pulverizes slagging before combination, pig manure and sunflower plate slag mix with the weight ratio of 10:3, then admix mentioned microorganism leaven, ferment 20-25 days at a temperature of 45-55 DEG C, then drying obtains the moisture fermentation material less than 8%, can carry out next step operation.
A kind of method utilizing pig manure to repair green house of vegetables soil, it is characterised in that the P content of described pig manure charcoal is 30.5-32.8g/Kg.
A kind of method utilizing pig manure to repair green house of vegetables soil, it is characterised in that described in have the pH value of green house of vegetables soil of heavy metal pollution be 2.0-3.5, Heavy Metals is Hg, As, Cd, Pb, Cr.
A kind of method utilizing pig manure to repair green house of vegetables soil, it is characterized in that, the using method of described pig manure charcoal is: puddle uniformly by pig manure charcoal and compoiste fertilizer according to the weight ratio of 3:2, uniformly impose on soil surface, then use related tool by Soil tillage deep for 20-25cm, making pig manure charcoal, fertilizer and soil be sufficiently mixed, after acting on 3 weeks, result is repaired in detection, reaches the standard of planting to get final product planting vegetable if repaired；If not up to, then needing to re-use appropriate pig manure charcoal and turn in aforementioned manners in soil, carry out after 1 week detecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610386524.8A CN105935700A (en) | 2016-06-04 | 2016-06-04 | Method for utilizing pig manures to remediate vegetable greenhouse soil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610386524.8A CN105935700A (en) | 2016-06-04 | 2016-06-04 | Method for utilizing pig manures to remediate vegetable greenhouse soil |
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| CN105935700A true CN105935700A (en) | 2016-09-14 |
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| CN201610386524.8A Pending CN105935700A (en) | 2016-06-04 | 2016-06-04 | Method for utilizing pig manures to remediate vegetable greenhouse soil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069272A (en) * | 2019-12-09 | 2020-04-28 | 广东东图规划科技有限公司 | Method for repairing soil pollution |
Citations (5)
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|---|---|---|---|---|
| CN101618394A (en) * | 2009-07-03 | 2010-01-06 | 厦门城市环境研究所 | Method for restoring polycyclic aromatic hydrocarbon contaminated soil by charcoal |
| CN102553905A (en) * | 2012-02-22 | 2012-07-11 | 农业部环境保护科研监测所 | Method for remediating cadmium contaminated soil of vegetable field in situ by compounding bio-charcoal and organic fertilizer |
| CN104307855A (en) * | 2014-09-30 | 2015-01-28 | 武汉科技大学 | Method for repairing heavy metal contaminated soil in situ by adopting multifunctional biological charcoal |
| WO2015042975A1 (en) * | 2013-09-30 | 2015-04-02 | 中山大学 | Soil smoldering method for remediation of heavy metal co-contaminated soil |
| CN105330484A (en) * | 2015-11-13 | 2016-02-17 | 重庆市铜梁区潼桐缘蔬菜种植专业合作社 | Soil improvement method for greenhouse vegetable planting |
-
2016
- 2016-06-04 CN CN201610386524.8A patent/CN105935700A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618394A (en) * | 2009-07-03 | 2010-01-06 | 厦门城市环境研究所 | Method for restoring polycyclic aromatic hydrocarbon contaminated soil by charcoal |
| CN102553905A (en) * | 2012-02-22 | 2012-07-11 | 农业部环境保护科研监测所 | Method for remediating cadmium contaminated soil of vegetable field in situ by compounding bio-charcoal and organic fertilizer |
| WO2015042975A1 (en) * | 2013-09-30 | 2015-04-02 | 中山大学 | Soil smoldering method for remediation of heavy metal co-contaminated soil |
| CN104307855A (en) * | 2014-09-30 | 2015-01-28 | 武汉科技大学 | Method for repairing heavy metal contaminated soil in situ by adopting multifunctional biological charcoal |
| CN105330484A (en) * | 2015-11-13 | 2016-02-17 | 重庆市铜梁区潼桐缘蔬菜种植专业合作社 | Soil improvement method for greenhouse vegetable planting |
Non-Patent Citations (1)
| Title |
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| 方海兰等: "《城市土壤生态功能与有机废弃物循环利用》", 31 January 2014, 上海科学技术出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069272A (en) * | 2019-12-09 | 2020-04-28 | 广东东图规划科技有限公司 | Method for repairing soil pollution |
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Application publication date: 20160914 |