Highly efficient removal of As(V) with modified electrolytic manganese residues (M-EMRs) as a novel adsorbent

Jirong Lan, Yan Sun, Li Guo, Yaguang Du, Dongyun Du, Tian C. Zhang, Jia Li, Hengpeng Ye

Research output: Contribution to journalArticle

Abstract

In this research, electrolytic manganese residues (EMRs) modified by NaOH, ultrasonic etching and microwave-assisted heating treatment (called M-EMRs hereafter) were used as a novel adsorbent to remove Arsenic (V) [As(V)] from synthetic wastewater. Results showed that M-EMRs were of nanosheet structure in sizes of about 100–300 nm; the percentage of Fe and Mn on the surface of M-EMRs increased, and Fe and Mn existed in the forms of FeS, FeOOH, Fe3O4, and MnO2. The As(V) concentration in the liquid decreased from 50 to 0.038 mg/L. The maximum adsorption capacity of E-EMRs for As(V) was 23.96 mg/g. The presence of low concentration of salt such as NaCl, Na2CO3, Na2HPO4, and Na2SO4 showed limited inhibition on the adsorption of As(V). Moreover, M-EMRs could be regenerated with 3% NaOH solution and reused for 5 times. Preliminary analysis indicates the application potential of M-EMRs in As-contaminated industrial wastewater.

Original languageEnglish (US)
Article number151973
JournalJournal of Alloys and Compounds
Volume811
DOIs
StatePublished - Nov 30 2019

Fingerprint

Arsenic
Manganese
Adsorbents
Wastewater
Adsorption
Nanosheets
Etching
Salts
Ultrasonics
Microwaves
Heating
Liquids

Keywords

  • Adsorption
  • As(V)
  • Electrolytic manganese residues
  • Nanosheet
  • Waste recycling

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

Highly efficient removal of As(V) with modified electrolytic manganese residues (M-EMRs) as a novel adsorbent. / Lan, Jirong; Sun, Yan; Guo, Li; Du, Yaguang; Du, Dongyun; Zhang, Tian C.; Li, Jia; Ye, Hengpeng.

In: Journal of Alloys and Compounds, Vol. 811, 151973, 30.11.2019.

Research output: Contribution to journalArticle

Lan, Jirong ; Sun, Yan ; Guo, Li ; Du, Yaguang ; Du, Dongyun ; Zhang, Tian C. ; Li, Jia ; Ye, Hengpeng. / Highly efficient removal of As(V) with modified electrolytic manganese residues (M-EMRs) as a novel adsorbent. In: Journal of Alloys and Compounds. 2019 ; Vol. 811.
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