CA2272849A1 - Method for phytomining of nickel, cobalt and other metals from soil - Google Patents

Method for phytomining of nickel, cobalt and other metals from soil Download PDF

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Publication number
CA2272849A1
CA2272849A1 CA002272849A CA2272849A CA2272849A1 CA 2272849 A1 CA2272849 A1 CA 2272849A1 CA 002272849 A CA002272849 A CA 002272849A CA 2272849 A CA2272849 A CA 2272849A CA 2272849 A1 CA2272849 A1 CA 2272849A1
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CA
Canada
Prior art keywords
soil
plant
nickel
above ground
ground tissues
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.)
Granted
Application number
CA002272849A
Other languages
French (fr)
Other versions
CA2272849C (en
Inventor
Rufus L. Chaney
Jay Scott Angle
Yin-Ming Li
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.)
University of Maryland at Baltimore
US Department of Agriculture USDA
Original Assignee
University Of Maryland
Rufus L. Chaney
Jay Scott Angle
Yin-Ming Li
United States As Represented By The Secretary Of Agriculture
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 University Of Maryland, Rufus L. Chaney, Jay Scott Angle, Yin-Ming Li, United States As Represented By The Secretary Of Agriculture filed Critical University Of Maryland
Publication of CA2272849A1 publication Critical patent/CA2272849A1/en
Application granted granted Critical
Publication of CA2272849C publication Critical patent/CA2272849C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00—Obtaining nickel or cobalt
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/18—Extraction of metal compounds from ores or concentrates by wet processes with the aid of microorganisms or enzymes, e.g. bacteria or algae
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Mycology (AREA)
  • Soil Sciences (AREA)
  • Botany (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Biomedical Technology (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cultivation Of Plants (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Fertilizers (AREA)

Abstract

The recovery of nickel, cobalt and other metals by phytomining is described.
Plants of the Alyssum genus are grown in nickel rich soil. The uptake of nickel is enhanced by maintaining specific soil conditions, including a concentration of calcium between (but not including) 0.128 mM and 5.0 mM and an acidic pH. Ni uptake may be further enhanced by maintaining a ratio of exchangeable Ca/Mg of 0.16-0.40. Uptake may be further enhanced by addition of chelating agents and ammonium based fertilizers.

Claims (11)

1. A method of recovering nickel from soil rich in nickel, comprising:
growing a nickel hyperaccumulating plant selected from the genera Alyssum on said soil, while maintaining soil conditions such that the concentration of calcium in said soil is from about 0.128 mM to about 5 mM and said pH is maintained below about 7.0, Allowing said growth to continue until such time as the concentration of Ni in the above ground tissues of said plant is at least 2.5%, gross dry weight of the above ground tissues, drying said above ground tissues, and recovering Ni from said above ground tissues.
2. The method of claim 1, wherein said above ground tissues are selected from the group consisting of shoots, leaves, above ground tissues other than shoots and leaves, and mixtures thereof.
3. The method of claim 2, wherein said above ground tissues are leaves.
4. The method of claim 1, wherein said soil conditions are maintained such that the ratio of exchangeable Ca/Mg is between about 0.16 - 0.40.
5. The method of claim 1, wherein said plant is selected from a species selected from the group consisting of A. murale, A. pintodasilvae, A.
malacitanum, A. lesbiacum, A. tenium, and A. fallacinum.
6. The method of claim 5, wherein said plant is selected from a species selected from the group consisting of A. murale and A. pintodasilvae.
7. The method of claim 1, wherein the genotype of said plant is identical to that of the wild-type of said species and free of natural or induced mutation and heterologous DNA.
8. The method of claim 1, wherein said soil conditions are further maintained such that chelating agents which chelate Ni in the presence of Fe, Mg and Ca are added to said soil and ammonium based N-fertilizer is added to said soil, both while said plant is being grown on said soil.
9. The method of claim 1, wherein said soil is serpentine soil.
10. The method of claim 1, wherein said soil is rich in Ni due to at least one industrial process which has deposited Ni in said soil.
11. A naturally occurring plant of the Allysum genus which has a concentration of nickel in its above-ground tissues of 2.5 - 5.0%, based on the gross dry weight of said tissues.
CA2272849A 1996-08-30 1997-08-29 Method for phytomining of nickel, cobalt and other metals from soil Expired - Lifetime CA2272849C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US2492896P 1996-08-30 1996-08-30
US60/024,928 1996-08-30
US3046296P 1996-11-06 1996-11-06
US60/030,462 1996-11-06
PCT/US1997/015109 WO1998008991A1 (en) 1996-08-30 1997-08-29 Method for phytomining of nickel, cobalt and other metals from soil

Publications (2)

Publication Number Publication Date
CA2272849A1 true CA2272849A1 (en) 1998-03-05
CA2272849C CA2272849C (en) 2011-11-01

Family

ID=26699047

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2272849A Expired - Lifetime CA2272849C (en) 1996-08-30 1997-08-29 Method for phytomining of nickel, cobalt and other metals from soil

Country Status (3)

Country Link
AU (1) AU4238097A (en)
CA (1) CA2272849C (en)
WO (1) WO1998008991A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7268273B2 (en) 1995-06-06 2007-09-11 The University Of Maryland Recovering metals from soil
AU775573B2 (en) * 1997-06-20 2004-08-05 United States Of America, As Represented By The Secretary Of Agriculture, The Recovering metals from soil
AU744810B2 (en) * 1997-06-20 2002-03-07 University Of Maryland At College Park, The Method for phytomining of nickel, cobalt and other metals from soil
FR2787143B1 (en) 1998-12-14 2001-02-16 Magneti Marelli France DETECTION OF FOULING OF A FUEL FILTER OF A SUPPLY CIRCUIT OF AN INTERNAL COMBUSTION ENGINE
CN102515939B (en) * 2011-11-26 2013-05-29 湖南科技大学 Method for converting heavy metal-enriched plant into miscellaneous fertilizer containing biological carbon special for mine vegetation recovery

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5364451A (en) * 1993-06-04 1994-11-15 Phytotech, Inc. Phytoremediation of metals

Also Published As

Publication number Publication date
WO1998008991A1 (en) 1998-03-05
AU4238097A (en) 1998-03-19
CA2272849C (en) 2011-11-01

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