Manufacturing of novel low-cost adsorbent: Co-granulation of limestone and coffee waste

Evgenia Iakovleva, Mika Sillanpaa, Philipp Maydannik, Jiang Tao Liu, Stephen Allen, Ahmad B. Albadarin, Chirangano Mangwandi

Research output: Contribution to journalArticle

12 Citations (Scopus)
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Abstract

Limestone and coffee waste were used during the wet co-granulation process for the production of efficient adsorbents to be used in the removal of anionic and cationic dyes. The adsorbents were characterized using different analytical techniques such as XRD, SEM, FTIR, organic elemental analysis, the nitrogen adsorption method, with wettability, strength and adsorption tests. The adsorption capacity of granules was determined by removal of methylene blue (MB) and orange II (OR) from single and mixed solutions. In the mixed solution, co-granules removed 100% of MB and 85% of OR. The equilibria were established after 6 and 480 h for MB and OR, respectively.
Original languageEnglish
JournalJournal of Environmental Management
Early online date15 May 2017
DOIs
Publication statusEarly online date - 15 May 2017

Keywords

  • Limestone
  • granulation
  • coffee waste
  • adsorbent

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