Glyphosate sorption/desorption on biochars - interactions of physical and chemical processes

Autor: Kathleen E. Hall, Sharon K. Papiernik, Kurt A. Spokas, Beatriz Gámiz, Lucía Cox, William C. Koskinen
Rok vydání: 2017
Předmět:
Zdroj: Pest Management Science. 74:1206-1212
ISSN: 1526-498X
Popis: BACKGROUND Biochar, a carbon-rich product of biomass pyrolysis, could limit glyphosate transport in soil and remediate contaminated water. The present study investigates the sorption/desorption behavior of glyphosate on biochars prepared from different hardwoods at temperatures ranging from 350 to 900 °C to elucidate fundamental mechanisms. RESULTS Glyphosate (1 mg L−1) sorption on biochars increased with pyrolysis temperature and was highest on 900 °C biochars; however, total sorption was low on a mass basis (
Databáze: OpenAIRE