Water Purification Using Cost Effective Material Prepared from Agricultural Waste

Kinetics, Isotherms, and Thermodynamic Studies

Mu Naushad, Mohammad Rizwan Khan, Zeid Abdullah Alothman, Ala'a H. Al-Muhtaseb, Md Rabiul Awual, Ayoub Abdullah Alqadami

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The usage of agricultural waste-based bio-adsorbents for the removal of environmental pollutants from water is gaining extensive attention. In this paper, carrot residue (CR) (Daucus carota L.) was used for the production of activated carbon (AC) via chemical activation with HNO3. CR derived activated carbon (CAC) was characterized by various analytical techniques. The Brunauer-Emmett-Teller surface area was found to be 17.76m2g-1. The efficacy of this AC in adsorbing BrO3 - from water samples was studied at time, pH, temperature, and initial BrO3 - concentrations by batch studies. The concentration of BrO3 - was assessed by ultra-performance liquid chromatography-mass tandem spectrometry. A maximum adsorption capacity of 16.66mgg-1 at 298K was obtained from the Langmuir isotherms fit. The kinetic data followed closely the pseudo-first-order rate kinetic model. The thermodynamic study of BrO3 - adsorption data showed that the adsorption was feasible, spontaneous, and endothermic in nature. The practical efficacy of CAC was performed for BrO3 - removal from tap water as well as bottled water samples.

Original languageEnglish
JournalClean - Soil, Air, Water
DOIs
Publication statusAccepted/In press - 2016

Fingerprint

Agricultural wastes
Activated carbon
activated carbon
Purification
Isotherms
isotherm
thermodynamics
Thermodynamics
kinetics
Kinetics
Water
adsorption
Adsorption
cost
Costs
Environmental Pollutants
water
Liquid chromatography
Drinking Water
Adsorbents

Keywords

  • Adsorption
  • Bromate
  • Carrot residue
  • UPLC-MS
  • Water samples

ASJC Scopus subject areas

  • Environmental Chemistry
  • Water Science and Technology
  • Pollution

Cite this

Water Purification Using Cost Effective Material Prepared from Agricultural Waste : Kinetics, Isotherms, and Thermodynamic Studies. / Naushad, Mu; Khan, Mohammad Rizwan; Alothman, Zeid Abdullah; Al-Muhtaseb, Ala'a H.; Awual, Md Rabiul; Alqadami, Ayoub Abdullah.

In: Clean - Soil, Air, Water, 2016.

Research output: Contribution to journalArticle

Naushad, Mu ; Khan, Mohammad Rizwan ; Alothman, Zeid Abdullah ; Al-Muhtaseb, Ala'a H. ; Awual, Md Rabiul ; Alqadami, Ayoub Abdullah. / Water Purification Using Cost Effective Material Prepared from Agricultural Waste : Kinetics, Isotherms, and Thermodynamic Studies. In: Clean - Soil, Air, Water. 2016.
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