Production and applications of activated carbons as adsorbents from olive stones

Junaid Saleem*, Usman Bin Shahid, Mouhammad Hijab, Hamish Mackey, Gordon McKay

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

378 Citations (Scopus)

Abstract

Olive stones have been widely used as a renewable energy biowaste source. As they are rich in elemental carbon (40–45 wt%), much research focussed on effectively converting olive stones, as precursors, into activated carbon adsorbents. However, only a few studies have concentrated on summarising the various techniques used to produce activated carbon from olive stone. This article reviews the research undertaken on the production and application of activated carbon as an adsorbent from olive stones for wastewater treatment. Various physical, chemical and physico-chemical treatments to remove heavy metals, organics and dyes are discussed, and the resultant adsorption capacities are reported. In several cases, very high adsorption capacities are recorded. Finally, the future prospects of these materials as adsorbents are discussed, and after further development work, olive stone-derived activated carbons have great potential especially in the area of organic polluted wastewaters. [Figure not available: see fulltext.].

Original languageEnglish
Pages (from-to)775-802
Number of pages28
JournalBiomass Conversion and Biorefinery
Volume9
Issue number4
DOIs
Publication statusPublished - 1 Dec 2019

Keywords

  • Activated carbon
  • Adsorption
  • Olive stones
  • Wastewater treatment

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