Investigation of rice husk derived activated carbon for removal of nitrate contamination from water

Aliya R. Satayeva, Carol A. Howell, Alina V. Korobeinyk, Jakpar Jandosov, Vassilis J. Inglezakis, Zulkhair A. Mansurov, Sergey V. Mikhalovsky

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Development of porous carbons with high specific surface area (>1200 m g−1) targeted at nitrate removal from aqueous solutions is investigated by chemical activation of carbonized rice husk. Potassium carbonate is used as activating and desilicating agent. The effect of post-synthetic treatment by gas phase ammoxidation with ozone/ammonia or oxidation with concentrated nitric acid followed by nitrification with urea on main physicochemical properties and on the effectiveness of the activated carbons in nitrate removal is compared with those determined for a pristine activated carbonized rice husk sample. The two-fold enhancement of nitrate removal by the urea-modified activated carbon in comparison with pristine and ammoxidated sample is in direct correlation with the development of surface basic groups.

Original languageEnglish
Pages (from-to)1237-1245
Number of pages9
JournalScience of the Total Environment
Volume630
DOIs
Publication statusPublished - Jul 15 2018

Fingerprint

Nitrates
Activated carbon
activated carbon
Contamination
rice
nitrate
Urea
urea
Water
Nitric Acid
Potash
Nitrification
Ozone
physicochemical property
Nitric acid
nitric acid
Ammonia
Specific surface area
water
nitrification

Keywords

  • Activated carbon
  • Biomass
  • Nitrate ions adsorption
  • Nitrogen functionalization
  • Rice husk carbonization
  • Surface modification

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution

Cite this

Investigation of rice husk derived activated carbon for removal of nitrate contamination from water. / Satayeva, Aliya R.; Howell, Carol A.; Korobeinyk, Alina V.; Jandosov, Jakpar; Inglezakis, Vassilis J.; Mansurov, Zulkhair A.; Mikhalovsky, Sergey V.

In: Science of the Total Environment, Vol. 630, 15.07.2018, p. 1237-1245.

Research output: Contribution to journalArticle

Satayeva, Aliya R. ; Howell, Carol A. ; Korobeinyk, Alina V. ; Jandosov, Jakpar ; Inglezakis, Vassilis J. ; Mansurov, Zulkhair A. ; Mikhalovsky, Sergey V. / Investigation of rice husk derived activated carbon for removal of nitrate contamination from water. In: Science of the Total Environment. 2018 ; Vol. 630. pp. 1237-1245.
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AU - Inglezakis, Vassilis J.

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