Metal remediation of soil via phosphate formation: Bone meal treatments

M E Hodson, E Valsami-Jones, W E Dubbin, M Collins, J Cotter-Howells, G Paton, A J Kemp, A Warren

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Phosphates of metals such as Pb, Zn and Ni have extremely low solubilities and are stable under the range of Eh and pH conditions encountered in the natural environment. It has been suggested that formation of metal phosphates could effectively "lock up" metals in situ in contaminated sites so that they would no longer pose a pollution problem. We report a leaching column investigation into the use of bone meal as a phosphorus source for the formation of metal phosphates in metal contaminated soil. Bone meal amendments reduced the concentration of metals released into leachate and increased pH. Fine grained bone meal treatments reduced metal concentrations in leachates more than coarser bone meal. Amendments of unincinerated bone meal reduced metal concentrations in leachates more than incinerated bone meal. Concentrations of metals in leachate decreased with increasing irrigation rate but total amount of metals removed from the soils increased.

Original languageEnglish
Title of host publicationMINERAL DEPOSITS: PROCESSES TO PROCESSING, VOLS 1 AND 2
EditorsCJ Stanley, AH Rankin, RJ Bodnar, J Naden, BWD Yardley, AJ Criddle, RD Hagni, AP Gize, J Pasava, AJ Fleet, R Seltmann, C Halls, M Stemprok, B Williamson, RJ Herrington, RET Hill, HM Prichard, F Wall
Place of PublicationLEIDEN
PublisherA A BALKEMA PUBLISHERS
Pages1183-1186
Number of pages4
ISBN (Print)90-5809-068-X
Publication statusPublished - 1999
Event5th Biennial Meeting of the Society-for-Geology-Applied-to-Mineral-Deposits / 10th Quadrennial Symposium of the International-Association-on-the-Genesis-of-Ore-Deposits - LONDON
Duration: 22 Aug 199925 Aug 1999

Conference

Conference5th Biennial Meeting of the Society-for-Geology-Applied-to-Mineral-Deposits / 10th Quadrennial Symposium of the International-Association-on-the-Genesis-of-Ore-Deposits
CityLONDON
Period22/08/9925/08/99

Keywords

  • HEAVY-METALS
  • APATITE

Cite this

Hodson, M. E., Valsami-Jones, E., Dubbin, W. E., Collins, M., Cotter-Howells, J., Paton, G., ... Warren, A. (1999). Metal remediation of soil via phosphate formation: Bone meal treatments. In CJ. Stanley, AH. Rankin, RJ. Bodnar, J. Naden, BWD. Yardley, AJ. Criddle, RD. Hagni, AP. Gize, J. Pasava, AJ. Fleet, R. Seltmann, C. Halls, M. Stemprok, B. Williamson, RJ. Herrington, RET. Hill, HM. Prichard, ... F. Wall (Eds.), MINERAL DEPOSITS: PROCESSES TO PROCESSING, VOLS 1 AND 2 (pp. 1183-1186). LEIDEN: A A BALKEMA PUBLISHERS.

Metal remediation of soil via phosphate formation: Bone meal treatments. / Hodson, M E ; Valsami-Jones, E ; Dubbin, W E ; Collins, M ; Cotter-Howells, J ; Paton, G ; Kemp, A J ; Warren, A .

MINERAL DEPOSITS: PROCESSES TO PROCESSING, VOLS 1 AND 2. ed. / CJ Stanley; AH Rankin; RJ Bodnar; J Naden; BWD Yardley; AJ Criddle; RD Hagni; AP Gize; J Pasava; AJ Fleet; R Seltmann; C Halls; M Stemprok; B Williamson; RJ Herrington; RET Hill; HM Prichard; F Wall. LEIDEN : A A BALKEMA PUBLISHERS, 1999. p. 1183-1186.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hodson, ME, Valsami-Jones, E, Dubbin, WE, Collins, M, Cotter-Howells, J, Paton, G, Kemp, AJ & Warren, A 1999, Metal remediation of soil via phosphate formation: Bone meal treatments. in CJ Stanley, AH Rankin, RJ Bodnar, J Naden, BWD Yardley, AJ Criddle, RD Hagni, AP Gize, J Pasava, AJ Fleet, R Seltmann, C Halls, M Stemprok, B Williamson, RJ Herrington, RET Hill, HM Prichard & F Wall (eds), MINERAL DEPOSITS: PROCESSES TO PROCESSING, VOLS 1 AND 2. A A BALKEMA PUBLISHERS, LEIDEN, pp. 1183-1186, 5th Biennial Meeting of the Society-for-Geology-Applied-to-Mineral-Deposits / 10th Quadrennial Symposium of the International-Association-on-the-Genesis-of-Ore-Deposits, LONDON, 22/08/99.
Hodson ME, Valsami-Jones E, Dubbin WE, Collins M, Cotter-Howells J, Paton G et al. Metal remediation of soil via phosphate formation: Bone meal treatments. In Stanley CJ, Rankin AH, Bodnar RJ, Naden J, Yardley BWD, Criddle AJ, Hagni RD, Gize AP, Pasava J, Fleet AJ, Seltmann R, Halls C, Stemprok M, Williamson B, Herrington RJ, Hill RET, Prichard HM, Wall F, editors, MINERAL DEPOSITS: PROCESSES TO PROCESSING, VOLS 1 AND 2. LEIDEN: A A BALKEMA PUBLISHERS. 1999. p. 1183-1186
Hodson, M E ; Valsami-Jones, E ; Dubbin, W E ; Collins, M ; Cotter-Howells, J ; Paton, G ; Kemp, A J ; Warren, A . / Metal remediation of soil via phosphate formation: Bone meal treatments. MINERAL DEPOSITS: PROCESSES TO PROCESSING, VOLS 1 AND 2. editor / CJ Stanley ; AH Rankin ; RJ Bodnar ; J Naden ; BWD Yardley ; AJ Criddle ; RD Hagni ; AP Gize ; J Pasava ; AJ Fleet ; R Seltmann ; C Halls ; M Stemprok ; B Williamson ; RJ Herrington ; RET Hill ; HM Prichard ; F Wall. LEIDEN : A A BALKEMA PUBLISHERS, 1999. pp. 1183-1186
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AU - Collins, M

AU - Cotter-Howells, J

AU - Paton, G

AU - Kemp, A J

AU - Warren, A

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N2 - Phosphates of metals such as Pb, Zn and Ni have extremely low solubilities and are stable under the range of Eh and pH conditions encountered in the natural environment. It has been suggested that formation of metal phosphates could effectively "lock up" metals in situ in contaminated sites so that they would no longer pose a pollution problem. We report a leaching column investigation into the use of bone meal as a phosphorus source for the formation of metal phosphates in metal contaminated soil. Bone meal amendments reduced the concentration of metals released into leachate and increased pH. Fine grained bone meal treatments reduced metal concentrations in leachates more than coarser bone meal. Amendments of unincinerated bone meal reduced metal concentrations in leachates more than incinerated bone meal. Concentrations of metals in leachate decreased with increasing irrigation rate but total amount of metals removed from the soils increased.

AB - Phosphates of metals such as Pb, Zn and Ni have extremely low solubilities and are stable under the range of Eh and pH conditions encountered in the natural environment. It has been suggested that formation of metal phosphates could effectively "lock up" metals in situ in contaminated sites so that they would no longer pose a pollution problem. We report a leaching column investigation into the use of bone meal as a phosphorus source for the formation of metal phosphates in metal contaminated soil. Bone meal amendments reduced the concentration of metals released into leachate and increased pH. Fine grained bone meal treatments reduced metal concentrations in leachates more than coarser bone meal. Amendments of unincinerated bone meal reduced metal concentrations in leachates more than incinerated bone meal. Concentrations of metals in leachate decreased with increasing irrigation rate but total amount of metals removed from the soils increased.

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