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Technical and economical assessment of formic acid to recycle phosphorus from pig slurry by a combined acidification–precipitation process

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Title: Technical and economical assessment of formic acid to recycle phosphorus from pig slurry by a combined acidification–precipitation process
Authors: Daumer, M.-L.1,2 marie-line.daumer@cemagref.fr, Picard, S.1,2, Saint-Cast, P.1,2, Dabert, P.1,2
Source: Journal of Hazardous Materials. Aug2010, Vol. 180 Issue 1-3, p361-365. 5p.
Subjects: Animal waste recycling, Slurry, Swine, Phosphorus, Formic acid, Acidification, Precipitation (Chemistry), Separation (Technology), Eutrophication, Centrifugation
Abstract: Abstract: Dissolution by acidification followed by a liquid/solid separation and precipitation of phosphorus from the liquid phase is one possibility to recycle phosphorus from livestock effluents. To avoid increase of effluent salinity by using mineral acids in the recycling process, the efficiency of two organic acids, formic and acetic acid, in dissolving the mineral phosphorus from piggery wastewater was compared. The amount of formic acid needed to dissolve the phosphorus was reduced three fold, compared to acetic acid. The amount of magnesium oxide needed for further precipitation was decreased by two with formic acid. Neither the carbon load nor the effluent salinity was significantly increased by using formic acid. An economical comparison was performed for the chemical recycling process (mineral fertilizer) vs. centrifugation (organic fertilizer) considering the centrifugation and the mineral fertilizers sold in the market. After optimisation of the process, the product could be economically competitive with mineral fertilizer as superphosphate in less than 10 years. [Copyright &y& Elsevier]
Copyright of Journal of Hazardous Materials is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 51153993
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Technical and economical assessment of formic acid to recycle phosphorus from pig slurry by a combined acidification–precipitation process
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  Data: <searchLink fieldCode="AR" term="%22Daumer%2C+M%2E-L%2E%22">Daumer, M.-L.</searchLink><relatesTo>1,2</relatesTo><i> marie-line.daumer@cemagref.fr</i><br /><searchLink fieldCode="AR" term="%22Picard%2C+S%2E%22">Picard, S.</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Saint-Cast%2C+P%2E%22">Saint-Cast, P.</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Dabert%2C+P%2E%22">Dabert, P.</searchLink><relatesTo>1,2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Hazardous+Materials%22">Journal of Hazardous Materials</searchLink>. Aug2010, Vol. 180 Issue 1-3, p361-365. 5p.
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  Data: <searchLink fieldCode="DE" term="%22Animal+waste+recycling%22">Animal waste recycling</searchLink><br /><searchLink fieldCode="DE" term="%22Slurry%22">Slurry</searchLink><br /><searchLink fieldCode="DE" term="%22Swine%22">Swine</searchLink><br /><searchLink fieldCode="DE" term="%22Phosphorus%22">Phosphorus</searchLink><br /><searchLink fieldCode="DE" term="%22Formic+acid%22">Formic acid</searchLink><br /><searchLink fieldCode="DE" term="%22Acidification%22">Acidification</searchLink><br /><searchLink fieldCode="DE" term="%22Precipitation+%28Chemistry%29%22">Precipitation (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Separation+%28Technology%29%22">Separation (Technology)</searchLink><br /><searchLink fieldCode="DE" term="%22Eutrophication%22">Eutrophication</searchLink><br /><searchLink fieldCode="DE" term="%22Centrifugation%22">Centrifugation</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Abstract: Dissolution by acidification followed by a liquid/solid separation and precipitation of phosphorus from the liquid phase is one possibility to recycle phosphorus from livestock effluents. To avoid increase of effluent salinity by using mineral acids in the recycling process, the efficiency of two organic acids, formic and acetic acid, in dissolving the mineral phosphorus from piggery wastewater was compared. The amount of formic acid needed to dissolve the phosphorus was reduced three fold, compared to acetic acid. The amount of magnesium oxide needed for further precipitation was decreased by two with formic acid. Neither the carbon load nor the effluent salinity was significantly increased by using formic acid. An economical comparison was performed for the chemical recycling process (mineral fertilizer) vs. centrifugation (organic fertilizer) considering the centrifugation and the mineral fertilizers sold in the market. After optimisation of the process, the product could be economically competitive with mineral fertilizer as superphosphate in less than 10 years. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Journal of Hazardous Materials is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.jhazmat.2010.04.039
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      – Code: eng
        Text: English
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        PageCount: 5
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      – SubjectFull: Animal waste recycling
        Type: general
      – SubjectFull: Slurry
        Type: general
      – SubjectFull: Swine
        Type: general
      – SubjectFull: Phosphorus
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      – SubjectFull: Formic acid
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      – SubjectFull: Acidification
        Type: general
      – SubjectFull: Precipitation (Chemistry)
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      – SubjectFull: Separation (Technology)
        Type: general
      – SubjectFull: Eutrophication
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      – SubjectFull: Centrifugation
        Type: general
    Titles:
      – TitleFull: Technical and economical assessment of formic acid to recycle phosphorus from pig slurry by a combined acidification–precipitation process
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            NameFull: Daumer, M.-L.
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            NameFull: Picard, S.
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              Text: Aug2010
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