CN106984637A - A kind of method that utilization patience economic plants ramie repairs ion type rareearth tailings area - Google Patents

A kind of method that utilization patience economic plants ramie repairs ion type rareearth tailings area Download PDF

Info

Publication number
CN106984637A
CN106984637A CN201710198811.0A CN201710198811A CN106984637A CN 106984637 A CN106984637 A CN 106984637A CN 201710198811 A CN201710198811 A CN 201710198811A CN 106984637 A CN106984637 A CN 106984637A
Authority
CN
China
Prior art keywords
ramie
tailings
soil
rare earth
tailings area
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710198811.0A
Other languages
Chinese (zh)
Inventor
汤叶涛
刘畅
刘文深
游敏
袁鸣
郭美娜
杨奕鸣
晁元卿
王诗忠
仇荣亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Sun Yat Sen University
Original Assignee
National Sun Yat Sen University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by National Sun Yat Sen University filed Critical National Sun Yat Sen University
Priority to CN201710198811.0A priority Critical patent/CN106984637A/en
Publication of CN106984637A publication Critical patent/CN106984637A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • B09C1/10Reclamation of contaminated soil microbiologically, biologically or by using enzymes
    • B09C1/105Reclamation of contaminated soil microbiologically, biologically or by using enzymes using fungi or plants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C2101/00In situ

Abstract

The invention discloses a kind of method that utilization patience economic plants ramie repairs ion type rareearth tailings area, base material improvement is first carried out to rare earth tailings area 0~10cm soil using modifying agent, then tolerant plant ramie is transplanted in the tailings area after improvement, again by watering, the measure such as weeding, ensure the survival rate of ramie, ramie aerial part is gathered in November, retains under ground portion.Under ground portion continues to survive, and vegetative propagation is sustainable to be repaired.The aerial part of harvesting simultaneously collects jute skin fiber.The present invention provides a kind of new reparation pattern and vegetable material for the improvement on Rare Earth Mine tailings ground with restoration of the ecosystem, while repairing rare earth tailings area's target, moreover it is possible to bring environment, economy and social benefit for locality.Moreover, ramie has, survival ability is strong, perennial, growth cycle is short, fertility is strong, the features such as need not especially manage, and in administering with can applying it to barren rare earth tailings, reaches the purpose of repairing mine.

Description

A kind of method that utilization patience economic plants ramie repairs ion type rareearth tailings area
Technical field
The invention belongs to rare earth tailings area recovery technique field.Patience economic plants ramie is utilized more particularly, to one kind The method that fiber crops repair ion type rareearth tailings area.
Background technology
Rare earth is considered as one of most important strategic resource of relation national security and development by various countries, is widely used in space flight The industries such as aircraft industry, war industry, petrochemical industry.China is rare earth resources big country, and it is first that reserves are in the world with yield Position.But, south jiangxi ion type rareearth ore random mining for a long time, Rare-earth Industry management style is extensive, and unauthorized and wasteful mining phenomenon is tight Weight, production technology falls behind, and not only causes the broken words of vegetation, also generates substantial amounts of tailings, meanwhile, the tailings piled up after exploitation by In vegetation by heavy damage, rate of reclaiming is almost nil.
Compared with traditional chemical remediation and peripheral doses technology, the phytoremediation technology occurred in recent years provides one kind Remediation contaminated soil approach economically and efficiently, and secondary pollution or destruction will not be caused to environment.
At present, the research on rare earth tailings area phytoremediation is less, and utilizes bamboo willow, the side on masson pine reparation tailings ground Method produces little effect, it is difficult to is promoted and applies.Ramie Growth speed is fast, fertility is strong, root system is huge, biological yield is high, With stronger Heavy Metal Tolerance, it is usually used in the reparation of heavy-metal contaminated soil at present.But there are no ramie so far and repair The correlative study of multiple heavy metals and report.
The content of the invention
The technical problem to be solved in the present invention is the defect and deficiency for overcoming existing rare earth tailings area recovery technique, it is intended to solved The problem of soil physico-chemical property is poor, nutritive element content is low, plant is difficult to growth with being certainly directed to rare earth tailings at this stage;Push away simultaneously Wide and appliable plant recovery technique.
It is an object of the invention to provide a kind of method that utilization patience economic plants ramie repairs ion type rareearth tailings area.
Above-mentioned purpose of the present invention is achieved through the following technical solutions:
A kind of method that utilization patience economic plants ramie repairs ion type rareearth tailings area, comprises the following steps:
S1. first apply soil conditioner at tailings area 0~10cm of soil, turn over, modifying agent is sufficiently mixed with soil;
S2. ramie is transplanted in the soil after step S1 processing, 40~60cm of strain interval;
S3. ramie aerial part is gathered in November, retains under ground portion.Under ground portion continues to survive, and vegetative propagation can Persistently repaired.Fiber is made for collecting hemp skin in the aerial part of harvesting, applied in industrial production.
Preferably, ramie transplanting described in step S2 is specifically that the radix boehmeriae with young shoot is transplanted to after step S1 processing In soil.
Preferably, after tailings area soil plantation ramie, using complete outdoor planting type.
Preferably, step S2 is transplanted after ramie, is watered daily in one week, keeps ground moistening.
Preferably, strain described in step S2 is at intervals of 50cm.
The invention has the advantages that:
The present invention provides a kind of new reparation pattern and new reparation for the improvement on Rare Earth Mine tailings ground with restoration of the ecosystem Vegetable material, while having reached reparation rare earth tailings area's target, moreover it is possible to bring environment, economy and social benefit for locality, is solved Determined at this stage because tailings area soil physico-chemical property is poor, plant be difficult survival, time-consuming for natural deduction, environment remediation effect compared with Difference, be difficult to promote with apply the problems such as.
Moreover, ramie has, survival ability is strong, perennial, growth cycle is short, fast growth, fertility strong, root system Huge, biological yield is high, the features such as need not especially manage, and in administering with can applying it to barren rare earth tailings, reaches The purpose of repairing mine.
Brief description of the drawings
Fig. 1 is the method flow that rare earth tailings area is repaired using ramie.
Embodiment
The present invention is further illustrated below in conjunction with Figure of description and specific embodiment, but embodiment is not to the present invention Limit in any form.Unless stated otherwise, the reagent of the invention used, method and apparatus routinely try for the art Agent, method and apparatus.Unless stated otherwise, embodiment agents useful for same and material are purchased in market.
Embodiment 1
1st, as shown in figure 1, the method that the present invention repairs rare earth tailings area using ramie comprises the following steps:
(1) apply soil conditioner to improve tailings area soil;
(2) transplanting Raime seedlings are in improved soil;
(3) watered daily in plantation one week after, keep ground moistening;
(4) November gathers in ramie, focuses on overground part;
(5) under ground portion continues to survive, vegetative propagation.
2nd, because rare earth tailings area soil physico-chemical property is poor, nutrient content is low, and habitat is harsh.Specific experiment uses field Field experiment, preferably remains the harsh habitat of plant growth.
Practice ground is rare earth tailings area of Ganzhou City of Jiangxi Province.Control group is, without using any plant treatment, only to apply Modifying agent is repaired.Experimental group and each 3 repetitions of control group.
Soil conditioner used in the present embodiment is by livestock and poultry muck or sludge, and the nutrition such as sawdust or straw biological charcoal member The organic waste that cellulose content is low, stable state carbon content is high is made, livestock and poultry muck or sludge:The weight ratio of organic waste is 1 ~10:1.
Experimental group specific method is as follows:
(1) it first will apply modifying agent at tailings area 0~10cm of soil, turn over, modifying agent is sufficiently mixed with soil.
(2) radix boehmeriae with young shoot is transplanted in improved soil, strain interval 50cm;
(3) watered daily in transplanting one week after, keep ground moistening, increase survival rate;
(4) ramie aerial part is gathered in November.
The physicochemical property for determining Rhizosphere Soil and Non-rhizosphere soil is extracted in whole strain.
3rd, result
(1) ramie repair before and after tailings soil nutrient elements total content it is as shown in table 1.
Tailings ground soil nutrient elements total content before and after the ramie of table 1 is repaired
Drawn by the analysis of table 1, control soil of the plantation ramie processing Nutrient Elements in Soil total amount than not planting ramie processing Earth is significantly improved, particularly C, N, P element.
(2) ramie repair before and after tailings soil nutrient elements bio-available Zn concentration it is as shown in table 2.
Tailings ground soil nutrient elements bio-available Zn concentration (mg kg before and after the ramie of table 2 is repaired-1)
Drawn by the analysis of table 2, Nutrient Elements in Soil bio-available Zn concentration is not than planting ramie processing after plantation ramie processing When have and be obviously improved, be on the one hand due to that the application of modifying agent adds the content and available state of Nutrient Elements in Soil and contained Amount, is on the other hand due to that Ramie Roots With Isotopic is in great numbers, and root growth and root exudates serve the effect of activation to nutrient. The more non-improvement layer of improvement layer in ramie processing is planted, nutrient bio-available Zn concentration is higher, illustrates the application increase of modifying agent The nutrient content of soil, is conducive to the growth of plant.The content of the non-improvement layer nutrient of soil in ramie processing is planted, Than not planting soil in ramie processing, nutrient has obvious increase, illustrates that the growth of plant promotes to accelerate entering for soil Change so that the soil physico-chemical property of non-improvement layer is improved.
(3) ramie repair before and after tailings soil rare earth bio-available Zn concentration as shown in Table 3 and Table 4.
Tailings ground soil rare earth bio-available Zn concentration (mg kg before and after the control group of table 3 is repaired-1)
Tailings ground soil rare earth bio-available Zn concentration (mg kg before and after the experimental group ramie of table 4 is repaired-1)
Drawn by table 3 and the analysis of table 4, Rare Earthelements In The Soils bio-available Zn concentration ratio does not plant ramie after plantation ramie processing Substantially lower during processing, this explanation plantation ramie has obvious fixation to rare earth element so that rare earth element is to being unfavorable for The morphology evolution of loss, is conducive to the control of rare earth element, reduces due to eluviation migrating to Rare-earth Mine downstream, effectively The content of downstream irrigation water and agricultural land soil rare earth elements is controlled, migration of the rare earth element to food chain is reduced, to agricultural Safe utilization and protection health play positive role.
Therefore, the present invention provides a kind of new reparation pattern for the improvement on Rare Earth Mine tailings ground with repairing, and ramie is deposited Viability is strong, and fertility is strong, and growth cycle is short, it is not necessary to especially management, controls with can applying it to barren rare earth tailings In reason, the purpose of repairing mine is reached.
Above-described embodiment is preferably embodiment, but embodiments of the present invention are not by above-described embodiment of the invention Limitation, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification, Equivalent substitute mode is should be, is included within protection scope of the present invention.

Claims (5)

1. a kind of method that utilization patience economic plants ramie repairs ion type rareearth tailings area, it is characterised in that including as follows Step:
S1. first apply soil conditioner at tailings area 0~10cm of soil, turn over;
S2. ramie is transplanted in the soil after step S1 processing, 40~60cm of strain interval;
S3. ramie aerial part is gathered in November, retains under ground portion.
2. according to the method described in claim 1, it is characterised in that ramie transplanting is specifically by with young shoot described in step S2 Radix boehmeriae is transplanted in the soil after step S1 processing.
3. according to the method described in claim 1, it is characterised in that after tailings area soil plantation ramie, using completely outdoor Planting type.
4. according to the method described in claim 1, it is characterised in that after step S2 transplanting ramies, water, keep daily in one week Ground moistening.
5. according to the method described in claim 1, it is characterised in that strain is at intervals of 50cm described in step S2.
CN201710198811.0A 2017-03-29 2017-03-29 A kind of method that utilization patience economic plants ramie repairs ion type rareearth tailings area Pending CN106984637A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710198811.0A CN106984637A (en) 2017-03-29 2017-03-29 A kind of method that utilization patience economic plants ramie repairs ion type rareearth tailings area

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710198811.0A CN106984637A (en) 2017-03-29 2017-03-29 A kind of method that utilization patience economic plants ramie repairs ion type rareearth tailings area

Publications (1)

Publication Number Publication Date
CN106984637A true CN106984637A (en) 2017-07-28

Family

ID=59412410

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710198811.0A Pending CN106984637A (en) 2017-03-29 2017-03-29 A kind of method that utilization patience economic plants ramie repairs ion type rareearth tailings area

Country Status (1)

Country Link
CN (1) CN106984637A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108668552A (en) * 2018-04-16 2018-10-19 中山大学 A kind of ion type rareearth tailings ground modifying agent and its restorative procedure
CN114210725A (en) * 2021-11-02 2022-03-22 中山大学 Repair material for mine bare land and repair method and application thereof

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101722177A (en) * 2009-11-06 2010-06-09 华南农业大学 Method for fixing pollutants in pollution source soil in abandoned mine fields and application thereof
CN101724404A (en) * 2009-11-06 2010-06-09 华南农业大学 Heavy metal contaminated soil conditioner and plant and chemistry combined remediation method
CN101758068A (en) * 2010-01-22 2010-06-30 中山大学 Method for continuously repairing heavy metal in soil by using chelating agent
CN101797579A (en) * 2009-12-30 2010-08-11 中山大学 Method for treating soil heavy metal combined pollution
CN101812545A (en) * 2009-02-25 2010-08-25 中国科学院沈阳应用生态研究所 Method for promoting plant combined repair of cadmium polluted soil by using phosphate fertilizer
CN102513341A (en) * 2011-12-20 2012-06-27 中南大学 Chemical-giant reed combined ecological recovery method of polymetal polluted soil in mining and metallurgy zones
CN102658291A (en) * 2012-05-29 2012-09-12 江苏山水建设集团有限公司 Method for improving vegetation containing lead tailing sand
CN102886376A (en) * 2012-10-19 2013-01-23 苏州绿世界园林发展有限公司 Environment-friendly method for jointly repairing copper contaminated soil
CN102919040A (en) * 2012-11-21 2013-02-13 中国科学院亚热带农业生态研究所 Method for planting ramie in middle-level heavy metal contaminated soils
CN103238440A (en) * 2013-05-16 2013-08-14 农业部环境保护科研监测所 Method for reducing cadmium pollution risk for rape
CN103302087A (en) * 2013-06-08 2013-09-18 四川农业大学 Method for repairing lead and zinc polluted soil by utilizing accumulator plants-ryegrass and pig manure
CN103947326A (en) * 2014-05-12 2014-07-30 中山大学 Method for ionic rare earth mine tailing land improvement and vegetation reclamation

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101812545A (en) * 2009-02-25 2010-08-25 中国科学院沈阳应用生态研究所 Method for promoting plant combined repair of cadmium polluted soil by using phosphate fertilizer
CN101722177A (en) * 2009-11-06 2010-06-09 华南农业大学 Method for fixing pollutants in pollution source soil in abandoned mine fields and application thereof
CN101724404A (en) * 2009-11-06 2010-06-09 华南农业大学 Heavy metal contaminated soil conditioner and plant and chemistry combined remediation method
CN101797579A (en) * 2009-12-30 2010-08-11 中山大学 Method for treating soil heavy metal combined pollution
CN101758068A (en) * 2010-01-22 2010-06-30 中山大学 Method for continuously repairing heavy metal in soil by using chelating agent
CN102513341A (en) * 2011-12-20 2012-06-27 中南大学 Chemical-giant reed combined ecological recovery method of polymetal polluted soil in mining and metallurgy zones
CN102658291A (en) * 2012-05-29 2012-09-12 江苏山水建设集团有限公司 Method for improving vegetation containing lead tailing sand
CN102886376A (en) * 2012-10-19 2013-01-23 苏州绿世界园林发展有限公司 Environment-friendly method for jointly repairing copper contaminated soil
CN102919040A (en) * 2012-11-21 2013-02-13 中国科学院亚热带农业生态研究所 Method for planting ramie in middle-level heavy metal contaminated soils
CN103238440A (en) * 2013-05-16 2013-08-14 农业部环境保护科研监测所 Method for reducing cadmium pollution risk for rape
CN103302087A (en) * 2013-06-08 2013-09-18 四川农业大学 Method for repairing lead and zinc polluted soil by utilizing accumulator plants-ryegrass and pig manure
CN103947326A (en) * 2014-05-12 2014-07-30 中山大学 Method for ionic rare earth mine tailing land improvement and vegetation reclamation

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
"环保领先 节约资源――赣州稀土矿业有限公司生态文明纪实", 《环境教育》 *
姜英: "冕宁县稀土尾矿中稀土的回收研究", 《中国优秀硕士学位论文全文数据库(电子期刊)》 *
孟桂元等: "改良剂对苎麻修复镉_铅污染土壤的影响", 《中国农学通报》 *
沈莉萍等: "螯合剂和泥炭对苎麻吸收土壤镉的影响", 《环境科学》 *
翁伯琦等: "南方红壤水土流失初步治理区生态循环与产业提升技术对策――以福建省长汀县、宁化县、平和县为例", 《农学学报》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108668552A (en) * 2018-04-16 2018-10-19 中山大学 A kind of ion type rareearth tailings ground modifying agent and its restorative procedure
CN114210725A (en) * 2021-11-02 2022-03-22 中山大学 Repair material for mine bare land and repair method and application thereof

Similar Documents

Publication Publication Date Title
AU2020100486A4 (en) Structure and method for three-dimensional restoration of slope soil in abandoned ion-absorbed rare earth mining area
CN107138511B (en) Method for combined remediation of heavy metal contaminated soil
CN102513341B (en) Chemical-giant reed combined ecological recovery method of polymetal polluted soil in mining and metallurgy zones
CN101249501B (en) Plants repairing method based on uranium tail SLAG pollution
CN108114977A (en) It is a kind of to utilize super enriching plant and the method in the quick restoring cadmium polluted arable land of energy-source plant crop rotation plantation
CN106613588A (en) Method for cyclically repairing cadmium-contaminated rice field and planting rice
CN104289509B (en) The method of biological restoration heavy-metal contaminated soil
CN103947326A (en) Method for ionic rare earth mine tailing land improvement and vegetation reclamation
CN101722183B (en) Method for improving heavy metal-polluted soil
CN104289506A (en) Biological remediation method for soil polluted by cadmium, zinc, lead and copper ions
CN108380653A (en) A kind of administering method of heavy metal pollution of soil
CN107159694A (en) A kind of heavy metal pollution of soil restorative procedure
CN107400512A (en) A kind of phytoremediation activator and the plant restoration method for heavy-metal composite pollution soil
CN101670362A (en) Application of grain amaranth in repairing mine soil and sludge polluted by heavy metal cadmium
CN102172607A (en) Use of Debregeasia orientalis C. J. Chen in remediation of cadmium heavy metal contaminated soil
CN102349373A (en) Method for repairing soil polluted by heavy metal in situ by mixed planting of plant
CN106561206A (en) Ecological landscape construction method of stopping and controlling non-point source pollution of multi-metal tailings
CN104126405A (en) Method for remedying calcicolous soil polluted by heavy metals of copper and lead through phytostabilization
CN105532227A (en) Sweet-sorghum field planting method for remedying Cd, Pb and Cr compound contaminated soil
CN104289508A (en) Biological remediation method for soil polluted by heavy metals
CN102632074A (en) Method for repairing heavy metal polluted soil by using radix achyranthis bidentatae as manganese hyperaccumulator
CN105665439A (en) Practical method for farmland soil cadmium pollution remediationby planting Salix jiangsuensis J795
CN106345795A (en) Method for promoting symphytum officinale to enrich and absorb heavy metal from heavy metal contaminated soil
CN104084419A (en) Phytoextraction restoring method of heavy metal cadmium-polluted calcium farmland soil
CN106984637A (en) A kind of method that utilization patience economic plants ramie repairs ion type rareearth tailings area

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170728