Cited by 174Adsorption and biosorption for pollutant removalPhosphorus and nutrient managementSoil and Water Nutrient Dynamics

Ammonium, Nitrate, and Phosphate Sorption to and Solute Leaching from Biochars Prepared from Corn Stover ( Zea mays L.) and Oak Wood ( Quercus spp.)

Hollister, C. Colin, Bisogni, James J., Lehmann, Johannes·2013·Journal of Environmental Quality

Abstract

Biochar (BC) was evaluated for nitrogen (N) and phosphorus (P) removal from aqueous solution to quantify its nutrient pollution mitigation potential in agroecosystems. Sorption isotherms were prepared for solutions of ammonium (NH), nitrate (NO), and phosphate (PO-P) using BC of corn ( L.) and oak ( spp.) feedstock, each pyrolyzed at 350 and 550°C highest treatment temperature (HTT). Sorption experiments were performed on original BC as well as on BC that went through a water extraction pretreatment (denoted WX-BC). Ammonium sorption was observed for WX-Oak-BC and WX-Corn-BC, and Freundlich model linearization showed that a 200°C increase in HTT resulted in a 55% decrease in * values for WX-Oak-BC and a 69% decrease in * for WX-Corn-BC. Nitrate sorption was not observed for any BC. Removing metals by water extraction from WX-Oak-350 and WX-Oak-550 resulted in a 25 to 100% decrease in phosphate removal efficiency relative to original Oak-350 and Oak-550, respectively. No PO-P sorption was observed using any Corn-BC. Calcium (Ca) leached from BC produced at 550°C was 63 and 104% higher than from BC produced at 350°C for corn and oak, respectively. Leaching of P was two orders of magnitude lower in WX-Oak-BC than in WX-Corn-BC, concurrent with similar difference in magnesium (Mg). Nitrate and NH leaching from consecutive water extractions of all tested BCs was mostly below detection limits.

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Crossref · 10.2134/jeq2012.0033

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Authors
Hollister, C. C., Bisogni, J. J., & Lehmann, J.
Affiliations
Cornell University (US)
Corresponding author
Hollister, C. Colin
Venue
Journal of Environmental Quality
Publisher
Wiley
Published
2013-01
Volume
42
Issue
1
Pages
137-144
ISSN
  • 0047-2425 (ISSN-L)
  • 1537-2537
OpenAlex
W2004255889
Cited by
174
References
34
Citations by year
2026: 5 · 2025: 12 · 2024: 11 · 2023: 11 · 2022: 16 · 2021: 22 · 2020: 12 · 2019: 19 · 2018: 11 · 2017: 23 · 2016: 16 · 2015: 8 · 2014: 7 · 2013: 1
FWCI
4.64
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Environmental Quality (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • New York State Energy Research and Development Authority
  • U.S. Department of Agriculture
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Phosphorus and nutrient management
  • Physical Sciences › Environmental Science › Environmental Chemistry › Soil and Water Nutrient Dynamics
Keywords
biochar, ammonium sorption, nitrate sorption, phosphate adsorption, nutrient leaching, corn stover, oak wood, pyrolysis temperature, Freundlich isotherm, calcium leaching, magnesium leaching, nitrogen removal, phosphorus removal
MeSH terms
Adsorption, Zea mays, Phosphates, Wood, Ammonium Compounds

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