Water-induced phase separation method for preparing magnetic rice straw lignin-derived biochar Fe-based catalysts with boosting photo-Fenton degradation activity

Tingting Tao, Jingying Duan, Heng Yang, Ya Sun, Xiaofang Li, Chunlei Wang, Juntao Yan, Ru an Chi, Linbing Sun

Research output: Contribution to journalArticlepeer-review

Abstract

Rice straw lignin-derived biochar Fe-based photo-Fenton catalysts were fabricated by the facile water-induced phase separation and calcination integration strategy, and effects of different Fe(NO3)3·9H2O dosages, carbonation temperature and degradation modes on the degradation activity were examined. Results indicated that biochar Fe-based photo-Fenton catalysts with specific surface area of 212.72 m2·g−1 could almost completely degrade high concentration RhB solution of 300 mg/L within 5 min, and possessed excellent magnetic and cycling performance.

Original languageEnglish
Article number138328
JournalMaterials Letters
Volume388
DOIs
StatePublished - 1 Jun 2025

Keywords

  • Biochar Fe-based catalysts
  • Photo-Fenton
  • Rhodamine B
  • Rice straw lignin

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