Metals and Other Elements in Biocrude from Fast and Isothermal Hydrothermal Liquefaction of Microalgae

Jimeng Jiang, Phillip E. Savage

Research output: Contribution to journalArticle

19 Scopus citations

Abstract

We determined the effects of different hydrothermal liquefaction (HTL) process variables (temperature, holding time, algae loading, and water loading) on 13 different elements in biocrude and the aqueous phase co-product. Reaction conditions included both fast and isothermal HTL. The concentrations of P, Mg, Na, and Ca in the biocrude had their highest values at the mildest HTL conditions explored, and the concentrations decreased precipitously as even moderate HTL conditions were used. The concentrations of Zn, Cu, and Ni do not show much variation with HTL severity, whereas the concentration of Fe in the biocrude first increases and then decreases. P and Na were the most abundant elements in the biocrude from fast HTL, but Fe was the most abundant from isothermal HTL. These results show that the HTL conditions can influence the concentrations of different metals and inorganic species in algal biocrude from HTL.

Original languageEnglish (US)
Pages (from-to)4118-4126
Number of pages9
JournalEnergy and Fuels
Volume32
Issue number4
DOIs
StatePublished - Apr 19 2018

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology

Fingerprint Dive into the research topics of 'Metals and Other Elements in Biocrude from Fast and Isothermal Hydrothermal Liquefaction of Microalgae'. Together they form a unique fingerprint.

  • Cite this