CN106269822A - One utilizes super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil method - Google Patents
One utilizes super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil method Download PDFInfo
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- CN106269822A CN106269822A CN201610702847.3A CN201610702847A CN106269822A CN 106269822 A CN106269822 A CN 106269822A CN 201610702847 A CN201610702847 A CN 201610702847A CN 106269822 A CN106269822 A CN 106269822A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
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Abstract
The invention discloses one and utilize super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil method, in the soil of leaded cadmium and zinc pollution, the yellow gland perfume (or spice) of plantation is blue or green, after mature period results seed, aerial parts or whole plant are gathered in and remove from contaminated soil, repeat plant yellow gland perfume (or spice) green grass or young crops and gather in and remove, after yellow gland perfume (or spice) green grass or young crops grows to mature period results seed, the operating process that yellow gland perfume (or spice) is blue or green, reach environmental quality standards until Lead In Soil content.Utilizing in super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil method employing super enriching plant Huang gland perfume (or spice) green grass or young crops Natural growth process of present invention offer reaches the purpose of lead contamination in rehabilitating soil to lead, cadmium, the accumulation ability of zinc, can remove multiple pollutant, expense is low, effective, workable, do not destroy water body or soil basic structure and function, do not cause secondary pollution, conserve water and soil, beautify the environment simultaneously, can large scale application.
Description
Technical field
The invention belongs to contaminated soil remediation field, particularly relate to one and utilize super enriching plant Huang gland perfume (or spice) green grass or young crops to repair a huge sum of money
Belong to lead-contaminated soil method.
Background technology
Soil and heavy metal pollution of water body are one of global great environmental problem faced.China is as whole world maximum
Developing country, through the fast development of more than 30 years, the pollution to soil and water body environment was the most serious.Environmental Protection Department,
Issuing " whole nation soil pollution publication " display in Ministry of Land and Resources on April 17th, 2014, the total exceeding standard rate of China's arable soil is
16.1%, the most slightly, slightly, moderate and serious pollution point position ratio be respectively 11.2%, 2.3%, 1.5% and 1.1%.Dirty
Dye type is based on inorganic type, and organic type takes second place, and compound pollution proportion is less, and an inorganic pollution figure place that exceeds standard accounts for all super
The 82.8% of punctuation bit.From polluting in terms of distribution situation, soils in south china pollutes and overweights the north；Yangtze River Delta, the Delta of the Pearl River, east
The subregion soil contamination problem such as old industrial bases, north are the most prominent, and southwest, variable charge soil heavy metals exceeding standard scope are relatively
Greatly；Cadmium, hydrargyrum, arsenic, 4 kinds of level of inorganic contaminants of lead are distributed to present and gradually rise from northwest to the southeast, from northeast to southwestward
Situation.Showing according to the investigation in national environmental protection portion, China's heavy metal pollution of water body problem is the most prominent, river,lake and reservior substrate
Pollution rate is up to 80.1%.The water body caused because of heavy metal and soil pollution are to the ecological environment of China, food safety, human body
Healthy and agricultural sustainable development constitutes serious threat.China's mineral products are in the majority with associated minerals, mining, ore dressing and smelter
The pollution that " three wastes " containing heavy metal discharged around industry district are formed, causes significant damage to human body, biology and environment.Cadmium is a kind of
Widely distributed poisonous and harmful heavy metallic element, the most easily accumulates, and human health causes threat greatly.Lead
Toxic pollutant important in environment, the lead harm to human health, the especially harm of children's health, cadmium be also toxicity relatively
One of big heavy metal contaminants, zinc is human body and biological indispensable element, but zinc overdose can pollute, zinc ore exploitation, smelting
Refining processing, machine-building and zinc-plated, instrument and meter, the discharge of the industry such as synthesis and papermaking of having an opportunity, make soil and water body be subject to
To polluting.
The method administering the heavy-metal contaminated soil such as cadmium lead and zinc or water body at present is a lot, mainly has peripheral doses technology,
Chemical remediation technology, bioremediation technology.Bioremediation technology mainly has phytoremediation technology and microorganism remediation technology.Plant
Recovery technique it is crucial that find the super enriching plant that one or more (being combined) heavy metal single is had special absorption accumulation ability.
Super enriching plant is also hyperaccumulative plant, and this definition is initially proposed by Books, is used to name nickel in stem and leaf at that time
The content plant more than 1000mg/kg.The concept of present super enriching plant has expanded plant to and has surpassed all metallic elements
Enrichment phenomenon, can a kind of metallic element of super enrichment or simultaneously can be enriched with the plant of several metallic element, super enrichment is often referred to right
The uptake and accumulation amount of heavy metal exceedes more than 100 times of general plant.The most in the world about weighing the standard of super enriching plant
Having three: one is critical content, and the heavy metal amount that i.e. aboveground vegetation part (referring mainly to stem or leaf) is enriched with is that common plant is same
Under one growth conditions more than 100 times, the critical concentration of nickel, arsenic and lead is 1000mg/kg, and the critical concentration of zinc is
10000mg/kg；Two is transfer characteristic, transhipment coefficient (i.e. aboveground vegetation part content of beary metal and its root content of beary metal
Ratio) more than 1.Three is patience characteristic, refers to that plant heavy metal has stronger patience, plant energy normal growth.
The administering method of existing heavy metal lead pollution soil is costly, effect is bad, operability is strong, exist and cause two
The danger of secondary pollution.
Yellow gland perfume (or spice) green grass or young crops morphological characteristic: yellow gland perfume (or spice) blue or green (Anaphalis aureopunctata) is the plant of Compositae anaphalis,
For the endemic plant of China, it is distributed in the ground such as NORTH CHINA, western part, southwest, is grown on the area of height above sea level 1700 meters to 3600 meters,
Main product in Shaanxi in NORTHWEST CHINA portion, the north, western part, middle part and the west and south, Sichuan, Hunan, Gansu, Hubei, Shanxi, Qinghai,
The provinces and regions such as Henan, Guangxi, Guangdong and Yunnan.Annual herb plant, has the branch of crawling up to 12-20cm, stem sturdy upright or
Oblique ascension, plant height 20-50cm, not branch, the month at florescence 7-9, really the phase 9-10 month, achene seed is up to 1 millimeter, by microtriche.Yellow gland is fragrant
Blue or green still belong to the first time discovery in China as super enrichment lead plant, the most also do not met relevant report.
Summary of the invention
It is an object of the invention to provide one and utilize super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil side
Method, it is intended to solve the administering method of existing heavy metal lead pollution soil costly, effect is bad, operability is strong, exist and draw
Play the dangerous problem of secondary pollution.
The present invention is achieved in that one utilizes super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil method
Including:
In the soil of leaded cadmium and zinc pollution, the yellow gland perfume (or spice) of plantation is blue or green, utilizes in its Natural growth process these several huge sum of moneys
The accumulation ability belonged to, shifts the lead in soil to aboveground vegetation part, after yellow gland perfume (or spice) green grass or young crops grows to mature period results seed,
Huang gland perfume (or spice) green grass or young crops aerial parts or whole plant are gathered in and remove from contaminated soil, repeats to plant yellow gland perfume (or spice) blue or green and fragrant at yellow gland
Green grass or young crops gathers in and removes, after growing to mature period results seed, the operating process that yellow gland perfume (or spice) is blue or green, until Lead In Soil content reaches environment
Quality standard.
Further, the plantation that yellow gland perfume (or spice) is blue or green uses earth culture mode to plant, needed for i.e. using soil as growth and development of plants
Surrounding medium, Huang gland perfume (or spice) green grass or young crops seed is directly sowed or Huang gland perfume (or spice) green grass or young crops plant seedlings is directly cultivated in soil, and plant
Plant normal growth is provided to grow condition and the growth promoter desired nutritional materials thereof such as required illumination, temperature, moisture during planting,
To ensure that plant energy normal growth is grown；Plant desired nutritional material is provided by nutrient plant contained by soil environment, or；
Further, by artificially applying fertilizer add exogenous nutrition material, nitrogen, phosphorus, potassium addition for using NPK
200kg/hm2As base manure, seedling stage imposes 150kg/hm2Carbamide 3～4 times；
Further, needed for plant, moisture is provided by natural precipitation mode, or is provided by man-made irrigation mode, and moisture maintains
In the range of 50%-80% field capacity, needed for growth and development of plants, illumination and temperature are provided by outdoor natural conditions, yellow gland
In the range of fragrant blue or green growing environment temperature maintains 15-35 DEG C.
Further, yellow gland perfume (or spice) green grass or young crops plants plant mature period, is cradled by Huang gland perfume (or spice) green grass or young crops aerial parts, toothing 5～6cm,
Different according to each ground temperature, can cradle every year 1～3 time, and remove from contaminated soil, until Lead In Soil content reaches environment
Quality standard.
Further, described heavy metal lead pollution soil refers to the Single Pollution containing lead or the soil of lead zinc-cadmium combined pollution.
What the present invention provided utilizes super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil method to use super enrichment
Plant Huang gland perfume (or spice) green grass or young crops Natural growth process reaches the purpose of lead contamination in rehabilitating soil to lead, cadmium, the accumulation ability of zinc, can be same
Time remove multiple pollutant, expense is low, effective, workable, do not destroy water body or soil basic structure and function, do not draw
Play secondary pollution, conserve water and soil, beautify the environment, can large scale application.
Accompanying drawing explanation
Fig. 1 be the embodiment of the present invention provide utilize super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil method
Flow chart.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, to the present invention
It is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to
Limit the present invention.
Below in conjunction with the accompanying drawings and the application principle of the present invention is further described by specific embodiment.
The plant Huang gland perfume (or spice) green grass or young crops that the embodiment of the present invention is used is the yellow gland perfume (or spice) green grass or young crops being grown on region, Southern Shaanxi Mount Taibai
Fine hair mutation, fertility is extremely strong, has strong aroma taste, there is no particular use at present.
As it is shown in figure 1, the embodiment of the present invention utilize super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil side
Method includes:
S101, in the soil of leaded cadmium and zinc pollution, the yellow gland perfume (or spice) of plantation is blue or green, utilizes in its Natural growth process several to this
The accumulation ability of heavy metal species, shifts the lead in soil to aboveground vegetation part；
S102, after yellow gland perfume (or spice) green grass or young crops grows to mature period results seed, by Huang gland perfume (or spice) green grass or young crops aerial parts or whole plant receipts
Cut and remove from contaminated soil；
S103, to repeat to plant yellow gland perfume (or spice) blue or green and gather in and remove yellow gland after yellow gland perfume (or spice) green grass or young crops grows to mature period results seed
Fragrant blue or green operating process, until Lead In Soil content reaches environmental quality standards.
The plantation of yellow gland perfume (or spice) green grass or young crops uses earth culture mode to plant, and i.e. uses soil to be situated between as the environment needed for growth and development of plants
Matter, directly sows Huang gland perfume (or spice) green grass or young crops seed or is directly cultivated in soil by Huang gland perfume (or spice) green grass or young crops plant seedlings, and in planting process
Plant normal growth is provided to grow condition and the growth promoter desired nutritional materials thereof such as required illumination, temperature, moisture, to ensure to plant
Thing energy normal growth is grown；Plant desired nutritional material is provided by nutrient plant contained by soil environment, or is added by artificially applying fertilizer
Add exogenous nutrition material, nitrogen, phosphorus, potassium addition for using NPK 200kg/hm2As base manure, seedling stage imposes
150kg/hm2Carbamide 3～4 times；
Needed for plant, moisture is provided by natural precipitation mode, or is provided by man-made irrigation mode, and moisture maintains 50%-
In the range of 80% field capacity, needed for growth and development of plants, illumination and temperature are provided by outdoor natural conditions, and yellow gland perfume (or spice) green grass or young crops is raw
In the range of long ambient temperature maintains 15-35 DEG C；
Yellow gland perfume (or spice) green grass or young crops plants plant mature period, is cradled by Huang gland perfume (or spice) green grass or young crops aerial parts, and toothing 5～6cm, according to various places
Temperature is different, can cradle every year 1～3 time, and remove from contaminated soil, until Lead In Soil content reaches environmental quality mark
Accurate.
Described heavy metal lead pollution soil refers to the Single Pollution containing lead or the soil of lead zinc-cadmium combined pollution.
In certain heavy metal pollution district research experiment, the average content of this contaminated area Cadmium in Soil, lead and zinc is respectively
6.1mg/kg, 163.5mg/kg and 341.3mg/kg, utilize seed breeding plantation, and every square metre is sown into 10g seed, and temperature exists
In the range of 15-35 DEG C, moisture is in the range of 50%-80% field capacity；When yellow gland perfume (or spice) green grass or young crops plant grows to mature period, by it
Overground part plant is gathered in, and removes from contaminated soil.Measure through analyzing, the yellow gland perfume (or spice) green grass or young crops above-ground plant parts lead of maturation, cadmium
And the average content of zinc reaches 1863.2mg/kg, 18.9mg/kg and 1292.6mg/kg, averagely containing of root lead, cadmium and zinc respectively
Amount respectively 1095.3,12.5mg/kg and 426.0mg/kg, bio-concentration factor and transhipment coefficient are all higher than 1.Yellow gland perfume (or spice) green grass or young crops is right
Lead, cadmium and zinc have stronger patience, and plant growing is normal, and plant height reaches 20-50cm.This test shows, lead is had by yellow gland perfume (or spice) green grass or young crops
Super enrichment ability, also has certain accumulation ability to cadmium and copper, can be used for repairing and treating lead Single Pollution soil and lead cadmium zinc
Combined contamination soil.
Compared with prior art, the present invention has the advantage that as follows with effect:
1, plant Huang gland perfume (or spice) green grass or young crops of the present invention is the endemic plant of China, for being grown on Southern Shaanxi Mount Taibai district
The yellow gland perfume (or spice) green grass or young crops fine hair mutation in territory, it is as a kind of super enrichment lead plant, still belongs to the first time discovery in China, the most also has no
Cross relevant report.This plant can not only have super enrichment ability to lead, and the highest to the accumulation ability of cadmium and zinc, is commonly to plant
Thing enriched lead cadmium and more than tens times of zinc ability, can be simultaneously used for administering lead cadmium and Grown In Zinc Contaminated Soil.This plant is to environment
Adaptable, growth scope is wide, provides the plant resources of preciousness for Study On Lead cadmium and zinc pollution phytoremediation technology.
2, the super enriching plant Huang gland perfume (or spice) green grass or young crops of employing of the present invention is annual dicotyledonous herbaceous plant, and Biomass is relatively
Greatly, cradling every year 1 time, annual Biomass (fresh weight) reaches 5～16t/hm2。
3, the present invention have can remove multiple pollutant simultaneously, expense is low, effective, workable, do not destroy water body
Or soil basic structure and function, do not cause secondary pollution, conserve water and soil, the advantage such as beautify the environment, can large scale application.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (6)
1. the method utilizing super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil, it is characterised in that this utilization
The method of super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil includes:
In the soil of leaded cadmium and zinc pollution, the yellow gland perfume (or spice) of plantation is blue or green, after yellow gland perfume (or spice) green grass or young crops grows to mature period results seed, and will
Yellow gland perfume (or spice) green grass or young crops aerial parts or whole plant are gathered in and remove from contaminated soil, repeat to plant yellow gland perfume (or spice) blue or green and blue or green at yellow gland perfume (or spice)
Gather in and remove, after growing to mature period results seed, the operating process that yellow gland perfume (or spice) is blue or green, until Lead In Soil content reaches environment matter
Amount standard.
The method utilizing super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil the most as claimed in claim 1, its feature
Being, the plantation of yellow gland perfume (or spice) green grass or young crops uses earth culture mode to plant, and is directly sowed by Huang gland perfume (or spice) green grass or young crops seed or by Huang gland perfume (or spice) green grass or young crops plant children
Seedling is directly cultivated in soil.
The method utilizing super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil the most as claimed in claim 1, its feature
Be, by artificially applying fertilizer add exogenous nutrition material, nitrogen, phosphorus, potassium addition for using NPK 200kg/hm2Make
For base manure, impose 150kg/hm seedling stage2Carbamide 3～4 times.
The method utilizing super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil the most as claimed in claim 1, its feature
Being, in the range of moisture maintains 50%-80% field capacity, yellow gland perfume (or spice) green grass or young crops growing environment temperature maintains 15-35 DEG C of model
In enclosing.
The method utilizing super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil the most as claimed in claim 1, its feature
Being, yellow gland perfume (or spice) green grass or young crops plants plant mature period, is cradled by Huang gland perfume (or spice) green grass or young crops aerial parts, toothing 5～6cm, and from Polluted Soil
Earth is removed, until Lead In Soil content reaches environmental quality standards.
The method utilizing super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil the most as claimed in claim 1, its feature
Being, described heavy metal lead pollution soil refers to the Single Pollution containing lead or the soil of lead zinc-cadmium combined pollution.
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| CN201610702847.3A CN106269822A (en) | 2016-08-22 | 2016-08-22 | One utilizes super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610702847.3A CN106269822A (en) | 2016-08-22 | 2016-08-22 | One utilizes super enriching plant Huang gland perfume (or spice) green grass or young crops remediating heavy metal lead-contaminated soil method |
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Citations (5)
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|---|---|---|---|---|
| CN101722179A (en) * | 2009-11-20 | 2010-06-09 | 中山大学 | Method for removing heavy metals in soil |
| CN105436201A (en) * | 2015-12-09 | 2016-03-30 | 辽宁石油化工大学 | Application of strengthened celosia cristata linne in plumbum-contaminated soil repairing process |
| CN105583219A (en) * | 2014-10-21 | 2016-05-18 | 苗庆龄 | Repair method for repairing serious heavy metal contaminated soil |
| CN105598144A (en) * | 2016-03-22 | 2016-05-25 | 安徽工程大学 | Restoration method of polluted soil |
| CN105689376A (en) * | 2016-03-11 | 2016-06-22 | 西北农林科技大学 | Method for repairing heavy metal contaminated soil or water body by utilizing hyperaccumulator polymerization |
-
2016
- 2016-08-22 CN CN201610702847.3A patent/CN106269822A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722179A (en) * | 2009-11-20 | 2010-06-09 | 中山大学 | Method for removing heavy metals in soil |
| CN105583219A (en) * | 2014-10-21 | 2016-05-18 | 苗庆龄 | Repair method for repairing serious heavy metal contaminated soil |
| CN105436201A (en) * | 2015-12-09 | 2016-03-30 | 辽宁石油化工大学 | Application of strengthened celosia cristata linne in plumbum-contaminated soil repairing process |
| CN105689376A (en) * | 2016-03-11 | 2016-06-22 | 西北农林科技大学 | Method for repairing heavy metal contaminated soil or water body by utilizing hyperaccumulator polymerization |
| CN105598144A (en) * | 2016-03-22 | 2016-05-25 | 安徽工程大学 | Restoration method of polluted soil |
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Application publication date: 20170104 |