Use of industrial by-products to sorb and retain phosphorus

C. J. Penn; R. B. Bryant; M. P. Callahan; J. M. Mcgrath

doi:10.1080/00103624.2011.550374

Use of industrial by-products to sorb and retain phosphorus

C. J. Penn, R. B. Bryant, M. P. Callahan, J. M. Mcgrath

Plant and Soil Sciences

Research output: Contribution to journal › Article › peer-review

54 Citations (SciVal)

Abstract

The potential of six industrial by-products for use as phosphorus-sorbing materials (PSMs) in solutions was evaluated. These included two different acid mine drainage treatment residuals (AMDR1 and AMDR2), water treatment residual (WTR), fly ash, bauxite mining residual, and flue gas desulfurization product (FGD). Characterization of the by-products and their mechanisms for sorption and retention of inorganic phosphorus (P) from solution identified those PSMs that sorbed primarily by an iron and aluminum (Fe/Al) mechanism, those that sorbed primarily by a calcium and magnesium (Ca/Mg) mechanism, and those that sorbed by both mechanisms. Degree of P sorption and associated mechanisms were strongly influenced by the pH, buffer capacity, ionic strength, and common ion effects.

Original language	English
Pages (from-to)	633-644
Number of pages	12
Journal	Communications in Soil Science and Plant Analysis
Volume	42
Issue number	6
DOIs	https://doi.org/10.1080/00103624.2011.550374
State	Published - Jan 2011

Keywords

Industrial by-products
Phosphorus
Sorption
Water quality

ASJC Scopus subject areas

Agronomy and Crop Science
Soil Science

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10.1080/00103624.2011.550374

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abstract = "The potential of six industrial by-products for use as phosphorus-sorbing materials (PSMs) in solutions was evaluated. These included two different acid mine drainage treatment residuals (AMDR1 and AMDR2), water treatment residual (WTR), fly ash, bauxite mining residual, and flue gas desulfurization product (FGD). Characterization of the by-products and their mechanisms for sorption and retention of inorganic phosphorus (P) from solution identified those PSMs that sorbed primarily by an iron and aluminum (Fe/Al) mechanism, those that sorbed primarily by a calcium and magnesium (Ca/Mg) mechanism, and those that sorbed by both mechanisms. Degree of P sorption and associated mechanisms were strongly influenced by the pH, buffer capacity, ionic strength, and common ion effects.",

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AU - Bryant, R. B.

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KW - Phosphorus

KW - Sorption

KW - Water quality

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Use of industrial by-products to sorb and retain phosphorus

Abstract

Keywords

ASJC Scopus subject areas

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