Greywater treatment using GAC biofilm reactor and sand filter system

Mohammed Hasan Al-Mughalles, Rakmi Abdul Rahman, Fatihah Suja`, Mastura Mahmud, Sharifah Mastura Syed Abdullah

Research output: Contribution to journalArticle

Abstract

A system involving a granular activated carbon (GAC) biofilm up-flow expanded bed (UEB) reactor and a slow down-flow packed sand filter was established for treating mosque grey water (ablution water). The faecal coliforms (F.C.), chemical oxygen demand (COD), total suspended solids (TSS), nitrate (NO3), and ammonia as nitrogen (NH4-N) were investigated under continuous flow operation using a hydraulic retention time (HRT) ranging from 1-6 hr over the period from 5/9/2010 to 6/2/1011. The system was arranged so that the GAC reactor is the first stage of treatment, and the sand filter is the second stage. Influent and effluent samples from the system were analysed weekly. The system demonstrated satisfactory removal of faecal coliforms with removal efficiencies of 63-80 %, and the efficiencies of COD and TSS removal were 70 % and 72 %, respectively. The system showed low removal efficiencies of nitrate which was 0-13 %. No ammonia removal was recorded in that range of retention time, while the system showed approximately 50 % removal efficiencyon average for 12 hr of HRT.

Original languageEnglish
Pages (from-to)1065-1074
Number of pages10
JournalJournal of Applied Sciences Research
Volume8
Issue number2
Publication statusPublished - Feb 2012

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activated carbon
biofilm
filter
sand
fecal coliform
chemical oxygen demand
ammonia
nitrate
hydraulics
reactor
removal
effluent
water
nitrogen

Keywords

  • GAC biofilm
  • Grey water
  • Sand filter

ASJC Scopus subject areas

  • General

Cite this

Greywater treatment using GAC biofilm reactor and sand filter system. / Al-Mughalles, Mohammed Hasan; Rahman, Rakmi Abdul; Suja`, Fatihah; Mahmud, Mastura; Syed Abdullah, Sharifah Mastura.

In: Journal of Applied Sciences Research, Vol. 8, No. 2, 02.2012, p. 1065-1074.

Research output: Contribution to journalArticle

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