Cadmium removal with mutant Brevibacillus Agri C15 CdRentrapped in calcium alginate gel: Multi-constituent ionic exchange

Nadia Jebril*, Rich Boden, Charlotte Braungardt

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The ability of mutant Brevibacillus agri C15 CdR to remove cadmium (Cd) from artificial groundwater (AGW) under varied pH and the interactions of Cd, calcium, phosphate, and humic acid competing for ion exchange sites on Ca-alginate beads containing cells of strains, were investigated in small laboratory bench-scale column reactors. It was found that the highest removal rate and accumulative amount of Cd from AGW were achieved at pH 4.00. A significant impact was observed in the rate of Cd uptake due to the cation/anion or the humic acid effect. The preferential removal of Cd from natural river water (NRW, Walkham River) was also obtained. The hazard classification of this Cd-absorbent was classified as non-hazardous waste. Altogether, these results show that with mutant B. agri C15 CdR entrapped in calcium alginate gel, there was potential to remove Cd from the freshwater.

Original languageEnglish
Title of host publicationInternational Conference on Scientific Research and Innovation 2022, ICSRI 2022
EditorsJustin Link, Haider Raad, Sarah McGrath, Adawiya Haider, T.A. Mohammed Muayad, Hanady AL-Shmgani, Thaer Al-Jadir
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735445598
DOIs
Publication statusPublished - 26 Jun 2023
EventInternational Conference on Scientific Research and Innovation 2022, ICSRI 2022 - Hybrid, Cincinnati, United States
Duration: 10 Apr 202211 Apr 2022

Publication series

NameAIP Conference Proceedings
Volume2820
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceInternational Conference on Scientific Research and Innovation 2022, ICSRI 2022
Country/TerritoryUnited States
CityHybrid, Cincinnati
Period10/04/2211/04/22

ASJC Scopus subject areas

  • General Physics and Astronomy

Keywords

  • Artificial groundwater
  • Brevibacillus agri
  • cadmium
  • column reactor
  • ionic exchange
  • Walkham River

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