Removal of ammonia nitrogen, nitrate, phosphorus and cod from sewage wastewater using palm oil boiler ash composite adsorbent

Mohan Kumar Manikam, Azhar Abdul Halim, Marlia Mohd Hanafiah, Renga Rao Krishnamoorthy

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Sewage treatments are introduced in the country to protect the health of human and environment. In this study, palm oil fuel ash (POFA) was explored as an adsorbent media for the treatment of a sewage wastewater. The optimum shaking speed, shaking time, pH, and dosage for chemical oxygen demand(COD), ammonia nitrogen, nitrate and phosphorus removal were investigated using the adsorbent media of particle sizes ranging from 2.00 to 3.15 mm. POFA and composite POFA chemical composition and characteristics were then determined. Results indicated that sewage concentrations of COD(63.39 mg L–1), ammonia nitrogen (6.01 mg L–1), nitrate (0.63 mg L–1) and phosphorus (0.43 mg L–1).The optimum conditions for shaking were determined at 200 rpm according to the adsorption ofCOD, ammonia nitrogen, nitrate and phosphorus by the media. Optimum shaking time of 20 min for ammonia nitrogen, nitrate phosphorus and COD optimum shaking time is 30 min. The optimum pH value for COD, nitrate and phosphorus removal using composite POFA was obtained at pH 6 and for ammonia nitrogen is pH 9. Microstructures of the prepared composite POFA were analyzed using Brunauer–Emmett–Teller, scanning electron microscope, X-ray diffractometer and X-ray fluorescence measurements. These results suggest that composite POFA can be used as a potential effective, low cost and eco-friendly green adsorbent for the removal of COD, ammonia nitrogen, nitrate and phosphorus from sewage wastewater.

Original languageEnglish
Pages (from-to)23-30
Number of pages8
JournalDesalination and Water Treatment
Volume149
DOIs
Publication statusPublished - 1 May 2019

Fingerprint

Ashes
Palm oil
Fuel oils
Sewage
Adsorbents
Chemical oxygen demand
Boilers
Phosphorus
Ammonia
Nitrates
Wastewater
ash
chemical oxygen demand
sewage
ammonia
nitrate
phosphorus
Nitrogen
wastewater
oil

Keywords

  • Adsorption
  • Element analysis
  • Microstructure
  • Palm oil fuel ash (POFA)
  • Physico-chemical analysis

ASJC Scopus subject areas

  • Water Science and Technology
  • Ocean Engineering
  • Pollution

Cite this

Removal of ammonia nitrogen, nitrate, phosphorus and cod from sewage wastewater using palm oil boiler ash composite adsorbent. / Manikam, Mohan Kumar; Abdul Halim, Azhar; Mohd Hanafiah, Marlia; Krishnamoorthy, Renga Rao.

In: Desalination and Water Treatment, Vol. 149, 01.05.2019, p. 23-30.

Research output: Contribution to journalArticle

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