CN102836869A - Method for restoring crude oil-polluted soil by using sludge generated in yeast production - Google Patents
Method for restoring crude oil-polluted soil by using sludge generated in yeast production Download PDFInfo
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- CN102836869A CN102836869A CN201210304389XA CN201210304389A CN102836869A CN 102836869 A CN102836869 A CN 102836869A CN 201210304389X A CN201210304389X A CN 201210304389XA CN 201210304389 A CN201210304389 A CN 201210304389A CN 102836869 A CN102836869 A CN 102836869A
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Abstract
The invention discloses a method for restoring crude oil-polluted soil by using sludge generated in yeast production, comprising the following steps of: detecting the crude oil-polluted soil, detecting the sludge generated in yeast production, and storing the crude oil-polluted soil by using the sludge generated in yeast production, wherein the sludge which is generated in yeast production and contains 40-48% of organic material, 3.12-3.6% of nitrogen, 0.28-0.56% of phosphorus and 5.38-6.1% of potassium by mass and has the water removal rate of 95-100% is directly used for the restoration of the crude oil-polluted soil, and the ratio of the crude oil-polluted soil to the sludge generated in yeast production and blended in the crude oil-polluted soil is 100:(10-15) so that oil in the blended soil has the weight of 30mg/Kg and the pH value of 6.8-8.0; and maintaining and growing acid-resisting plants or alkali-resisting plants in the soil to form farming lands.
Description
Technical field
The invention belongs to the environment remediation technology, particularly a primary yeast is produced the method that mud is used for the crude oil pollution soil remediation.
Background technology
Before the eighties in 20th century.Administer petroleum hydrocarbon contaminated soil and also only limit to physics and chemical method, i.e. heat treatment and chemical lixiviation process.Heat treating process is through burning or calcining, can purifying majority of organic pollutants in the soil.But also destroy soil texture and component simultaneously, and cost an arm and a leg and very difficult enforcement.Chemistry leaches and washing also can obtain deoiling effect preferably.But the secondary pollution issues limit of used chemical reagent its application.As far back as the seventies in 20th century.Soil is by the problem of oil pollution when breaking down leakage of oil and oil spilling in order to solve petroleum pipeline and oil storage tank; U.S.'s Esso research and engineering company have just begun to seek the biological solution of cleaning; And its laboratory research is found, and a kind of effectively " the bacterium seeding method has been opened the biological restoration oil-polluted soils beginning.Since the eighties in last century, the bioremediation technology of contaminated soil more and more causes people's attention.
Biological restoration is to utilize biological life metabolic activity to reduce the concentration of venomous injurant in the soil environment, makes contaminated soil return to the process of health status.At present, the bioremediation technology of administering the petroleum hydrocarbon contaminated soil mainly contains two types: one type is the microorganism recovery technique, can be divided into biology in situ reparation and heterotopic biological reparation again by the place of repairing; Another kind of is the phytoremediation method.
Utilize that petroleum hydrocarbon degradation microorganism in native country can carry out the reparation of oil-polluted soils in the soil; But because soil particle is with after petroleum pollution combines; The native separating difficulty of oil is big; Under the prerequisite that does not add external source petroleum hydrocarbon degradation microbial inoculum, Effect of Environmental is more remarkable, thereby has slowed down the degradation speed of these pollutants.These environmental impact factors mainly comprise following several kinds: oxygen concentration, soil pH value and soil permeability ability etc. in nutriment level, electron acceptor supply situation, the soil in environment temperature, soil moisture, the soil.Therefore, improve the character of oil-polluted soils, regulate and control these external influence factors that influence remediation efficiency and have important role for improving repairing effect.Through taking the engineering measure environment of improving the soil; Increase the bioavailability of petroleum pollution; The soil environment condition of suitable more native country petroleum hydrocarbon degradation microorganism is provided, can stimulates native country petroleum hydrocarbon degradation microbial growth and breeding, improve the degradation capability of native country petroleum hydrocarbon degradation microorganism self; Thereby quicken the degraded of petroleum pollution, improve the remediation efficiency of oil-polluted soils.
Summary of the invention
The objective of the invention is under the prerequisite that does not add external source petroleum hydrocarbon degradation microbial inoculum; Technological means through biostimulation; The biostimulation method that provides a kind of oil-polluted soils to repair, the environment of improving the soil, the petroleum hydrocarbon degradation growth of microorganism breeding of stimulation native country are to realize the reparation of oil-polluted soils.
Technical scheme of the present invention realizes in the following manner:
One primary yeast is produced the method that mud is used for the crude oil pollution soil remediation, comprises the detection to crude oil pollution soil, and production is deviate from the detection of mud and removed rebuild maintenance and the detection of mud to crude oil pollution soil with yeast production to yeast; The yeast that it is characterized in that containing organic 40-48%, nitrogen 3.12-3.6%, phosphorus 0.28-0.56%, potassium 5.38-6.1% quality composition is produced the reparation that mud directly is used for crude oil pollution soil, repairs step and is:
The water removal efficiency that a), will contain organic 40-48%, nitrogen 3.12-3.6%, phosphorus 0.28-0.56%, potassium 5.38-6.1% quality composition is that the reparation that mud directly is used for crude oil pollution soil is deviate from the yeast production of 95-100%; Mud is deviate from yeast production to be puddled and mix the ratio of quality and the number of copies crude oil pollution soil that mud is deviate from yeast production: mud=100:10-15 is deviate from yeast production; Make that oil-containing is less than 30mg/Kg in the mixed soil, the pH value is between 6.8-8.0;
B) above-mentioned rehabilitating soil is safeguarded; Soil after will repairing in every month stirs 1-3 time; Water additional according to water content in the soil; The microorganism that soil moisture content is remained on make between the 8%-20% in the crude oil pollution soil and petroleum pollution with yeast production deviate from organic 40% in the mud, nitrogen 3.12%, phosphorus 0.28%, potassium 5.38% nutrients and fully contact, improve degradation efficiency to the crude oil pollution thing;
C) soil of rebuild maintenance in time detects, but when the index of approaching farming plant, if it is stronger to contain acidity; Plantation acid resistance plant; If it is too strong to contain alkalescence, plantation alkali resistance plant utilizes interbiotic metabolism altogether; Continue crude oil pollution soil is repaired with the microorganism synergy of soil before the crude oil pollution, make it to become the good farmland of farming crops.
Repair mechanisms: do not add the external source petroleum hydrocarbon degradation bacterium, be rich in nutraceutical yeast production and deviate from mud and improve soil environment, stimulate the growth and breeding and the degradation capability of indigenous petroleum hydrocarbon degradation bacterium through in oil-polluted soils, adding; The organic nutrient substance that adds through change in the percentage adjustment soil of mud reaches indigenous petroleum hydrocarbon degradation bacteria growing and breeding conditions needed; The acid-base value that the dosage of composition and mud through adjustment mud is regulated soil makes it to reach microorganism and the suitable pH scope of growing of plant; Through agronomic measures with fully the mixing of mud and oil-polluted soils, make indigenous microorganism fully with mud in nutrients fully contact with the raising degradation efficiency with crude oil.Plant plant, utilize the microbial environment of the root exudates change soil of plant, the short common metabolism that reaches between plant and petroleum microorganism, thereby the degradation rate of raising soil PetroChina Company Limited. pollutant.
Deviate from mud to increase the nutriment level of open-air lean soil through adding yeast production; Addition through changing yeast mud is regulated growth of microorganism required main nutrient content (ratio) in native country in the soil; Stimulate the growth of microorganism breeding; The fertilizer that adds is mainly potash fertilizer and trace element; Addition according to soil with add yeast and produce the level calculation of the nutritious material in mixed soil Central Plains behind the mud, add carbon in the soil of back: nitrogen: phosphorus: the mass fraction ratio of potassium reaches 100:8-15:1:0.1.
Change yeast production dewatering rate and addition change soil stickiness through adding; Increase porosity of soil and water penetration; Be beneficial in the repair process native country microorganism to the demand of oxygen, the addition that yeast is produced mud is the 1%-10% of contaminated soil quality, and dehydration rate is from 95-100%.
Soil ph is regulated and is mainly regulated through the faintly acid of yeast mud itself, and for alkaline oil-polluted soils, the dosage that only needs to regulate yeast production mud just can make soil maintain near the neutrality, regulates medicament and need not to add pH again; If oil-polluted soils is acid, then, the soil value is maintained near the neutrality through adding the acidity of lime reduction soil.
Produce mud through the interpolation yeast and improved retention capacity of soil, be rich in sugared slag, have water imbibition preferably, make the water-holding capacity increase of the back soil that once waters and remain on certain level in a long time because yeast is produced in the mud.
Described agronomic measures comprises ploughs deeply soil, and it is even with the mixing with soil that needs to repair to produce mud to yeast.The nutrients that native country microorganism and petroleum pollution and yeast are produced in the mud fully contacts to improve degradation efficiency; The plantation plant can utilize interbiotic metabolism altogether, proceeds the oil-polluted soils reparation with native country microorganism synergy.
The invention has the beneficial effects as follows: do not add external source petroleum hydrocarbon degradation microbial inoculum, only adopt the method for biostimulation to implement the reparation of oil-polluted soils.Employed soil conditioner is mainly the mud that yeast production produces.Add above-mentioned yeast production mud and can effectively improve soil property; Reduce soil stickiness, increase the penetrating ability of soil, increase soil fertility; Regulate soil pH value; Improve retention capacity of soil, thereby improved the living environment of native country petroleum hydrocarbon degradation microorganism, for its oil degradation effect of microorganism performance provides safeguard.The yeast that adds is produced mud and also can be used as the required fertilizer of plant growth; Improve the micro-ecological environment of root system of plant; Promote plant and microorganism cooperative degradation of petroleum pollutant; Further strengthen the restoration of the ecosystem effect, used plant does not have specific (special) requirements, as long as can on the soil of oil pollution, grow.
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The specific embodiment
Below further describe effect of the present invention through embodiment, but do not limit the present invention.
Implementation process is following:
One primary yeast is produced the method that mud is used for the crude oil pollution soil remediation, comprises the detection to crude oil pollution soil, and production is deviate from the detection of mud and removed rebuild maintenance and the detection of mud to crude oil pollution soil with yeast production to yeast; The yeast that it is characterized in that containing organic 40-48%, nitrogen 3.12-3.6%, phosphorus 0.28-0.56%, potassium 5.38-6.1% quality composition is produced the reparation that mud directly is used for crude oil pollution soil, repairs step and is:
The water removal efficiency that a), will contain organic 40-48%, nitrogen 3.12-3.6%, phosphorus 0.28-0.56%, potassium 5.38-6.1% quality composition is that the reparation that mud directly is used for crude oil pollution soil is deviate from the yeast production of 95-100%; Mud is deviate from yeast production to be puddled and mix the ratio of quality and the number of copies crude oil pollution soil that mud is deviate from yeast production: mud=100:10-15 is deviate from yeast production; Make that oil-containing is less than 30mg/Kg in the mixed soil, the pH value is between 6.8-8.0;
B) above-mentioned rehabilitating soil is safeguarded; Soil after will repairing in every month stirs 1-3 time; Water additional according to water content in the soil; The microorganism that soil moisture content is remained on make between the 8%-20% in the crude oil pollution soil and petroleum pollution with yeast production deviate from organic 40% in the mud, nitrogen 3.12%, phosphorus 0.28%, potassium 5.38% nutrients and fully contact, improve degradation efficiency to the crude oil pollution thing;
C) soil of rebuild maintenance in time detects, but when the index of approaching farming plant, if it is stronger to contain acidity; Plantation acid resistance plant; If it is too strong to contain alkalescence, plantation alkali resistance plant utilizes interbiotic metabolism altogether; Continue crude oil pollution soil is repaired with the microorganism synergy of soil before the crude oil pollution, make it to become the good farmland of farming crops.
Crude oil pollution soil constituent and reparation back soil constituent contrast table before repairing, contrast table is analyzed.
| ? | Before the reparation | After the reparation |
| Soil organic matter content | X% | X%+（5-10）% |
| The crude oil percentage composition | 3% | 0.26% |
Claims (1)
1. a primary yeast is produced the method that mud is used for the crude oil pollution soil remediation, comprises the detection to crude oil pollution soil, and production is deviate from the detection of mud and removed rebuild maintenance and the detection of mud to crude oil pollution soil with yeast production to yeast; The yeast that it is characterized in that containing organic 40-48%, nitrogen 3.12-3.6%, phosphorus 0.28-0.56%, potassium 5.38-6.1% quality composition is produced the reparation that mud directly is used for crude oil pollution soil, repairs step and is:
The water removal efficiency that a), will contain organic 40-48%, nitrogen 3.12-3.6%, phosphorus 0.28-0.56%, potassium 5.38-6.1% quality composition is that the reparation that mud directly is used for crude oil pollution soil is deviate from the yeast production of 95-100%; Mud is deviate from yeast production to be puddled and mix the ratio of quality and the number of copies crude oil pollution soil that mud is deviate from yeast production: mud=100:10-15 is deviate from yeast production; Make that oil-containing is less than 30mg/Kg in the mixed soil, the pH value is between 6.8-8.0;
B) above-mentioned rehabilitating soil is safeguarded; Soil after will repairing in every month stirs 1-3 time; Water additional according to water content in the soil; The microorganism that soil moisture content is remained on make between the 8-20 in the crude oil pollution soil and petroleum pollution with yeast production deviate from organic 40% in the mud, nitrogen 3.12%, phosphorus 0.28%, potassium 5.38% nutrients and fully contact, improve degradation efficiency to the crude oil pollution thing;
C) soil of rebuild maintenance in time detects, but when the index of approaching farming plant, if it is stronger to contain acidity; Plantation acid resistance plant; If it is too strong to contain alkalescence, plantation alkali resistance plant utilizes interbiotic metabolism altogether; Continue crude oil pollution soil is repaired with the microorganism synergy of soil before the crude oil pollution, make it to become the good farmland of farming crops.
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| CN201210304389XA CN102836869A (en) | 2012-08-24 | 2012-08-24 | Method for restoring crude oil-polluted soil by using sludge generated in yeast production |
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| CN201210304389XA CN102836869A (en) | 2012-08-24 | 2012-08-24 | Method for restoring crude oil-polluted soil by using sludge generated in yeast production |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105312317A (en) * | 2015-05-08 | 2016-02-10 | 北京师范大学 | Method for repairing acid soil polluted by petroleum hydrocarbon and heavy metal with reinforced saccharomycetes |
| CN105750312A (en) * | 2016-04-26 | 2016-07-13 | 天津大学 | Application optimization method of local soil plant-microorganism remediation technology |
| CN106964644A (en) * | 2017-02-24 | 2017-07-21 | 北京绿安创华环保科技股份有限公司 | A kind of organic matter sludges soil-repairing agent, preparation method and its application in sludge is dissolved |
| CN107088577A (en) * | 2017-06-20 | 2017-08-25 | 复源环境（深圳）有限公司 | A kind of purifier of contaminated soil containing POPs and method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947544A (en) * | 2010-08-26 | 2011-01-19 | 胜利油田胜利勘察设计研究院有限公司 | Biostimulation method for remediation of oil-polluted soil |
-
2012
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947544A (en) * | 2010-08-26 | 2011-01-19 | 胜利油田胜利勘察设计研究院有限公司 | Biostimulation method for remediation of oil-polluted soil |
Non-Patent Citations (3)
| Title |
|---|
| 乔俊等: "添加不同营养助剂对石油污染土壤生物修复的影响", 《环境化学》 * |
| 屠明明、王秋玉: "石油污染土壤的生物刺激和生物强化修复", 《中国生物工程杂志》 * |
| 田胜艳等: "两种N源对石油烃降解菌群降解柴油能力的影响", 《海洋环境科学》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105312317A (en) * | 2015-05-08 | 2016-02-10 | 北京师范大学 | Method for repairing acid soil polluted by petroleum hydrocarbon and heavy metal with reinforced saccharomycetes |
| CN105750312A (en) * | 2016-04-26 | 2016-07-13 | 天津大学 | Application optimization method of local soil plant-microorganism remediation technology |
| CN106964644A (en) * | 2017-02-24 | 2017-07-21 | 北京绿安创华环保科技股份有限公司 | A kind of organic matter sludges soil-repairing agent, preparation method and its application in sludge is dissolved |
| CN106964644B (en) * | 2017-02-24 | 2019-12-06 | 北京绿安创华环保科技有限公司 | organic matter soil remediation agent, preparation method and application thereof in sludge digestion |
| CN107088577A (en) * | 2017-06-20 | 2017-08-25 | 复源环境（深圳）有限公司 | A kind of purifier of contaminated soil containing POPs and method |
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Application publication date: 20121226 |