Problems of ammonia and manganese in malaysian drinking water treatments

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Abstract

The contamination of ammonia (NH 3-N) and manganese (Mn) in Malaysian rivers exceeding standard limits is a major problem to drinking water treatment plants (DWTPs). High level of NH 3-N and Mn in raw water are due the sewage discharged and effluent from domestic and latex based industry to the river. The NH 3-N and Mn concentrations have been evaluated at four selected DWTPs using the data since the year 2005 to 2009. From the assessment, three DWTPs (DWTP2, DWTP3 and DWTP4) were always received raw water containing high NH 3-N and Mn concentrations. Meanwhile, the raw water at DWTP1 recorded NH 3-N and Mn concentrations were found below the Malaysian regulated limit (Mn < 0.2 mg/L; NH 3-N < 1.5 mg/L). DWTP3 recorded 17 times of shutdown frequency, followed by DWTP2 (9 times) and DWTP4 (8 times) since the year 1998 to 2010 due to high content of NH 3-N. One-way analysis of variance (ANOVA) showed that the significant fluctuation (p < 0.05) of NH 3-N concentrations in raw water occurred on the year 2007 and 2009, while significant fluctuation of Mn concentration in raw water was observed on year 2005 and 2008 (p < 0.05).

Original languageEnglish
Pages (from-to)1890-1896
Number of pages7
JournalWorld Applied Sciences Journal
Volume12
Issue number10
Publication statusPublished - 2011

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manganese
ammonia
drinking water treatment
river
variance analysis
sewage
raw water
effluent
industry
water treatment plant

Keywords

  • Ammonia removal
  • Biological aerated filter
  • Drinking water treatment
  • Manganese removal
  • River contamination

ASJC Scopus subject areas

  • General

Cite this

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title = "Problems of ammonia and manganese in malaysian drinking water treatments",
abstract = "The contamination of ammonia (NH 3-N) and manganese (Mn) in Malaysian rivers exceeding standard limits is a major problem to drinking water treatment plants (DWTPs). High level of NH 3-N and Mn in raw water are due the sewage discharged and effluent from domestic and latex based industry to the river. The NH 3-N and Mn concentrations have been evaluated at four selected DWTPs using the data since the year 2005 to 2009. From the assessment, three DWTPs (DWTP2, DWTP3 and DWTP4) were always received raw water containing high NH 3-N and Mn concentrations. Meanwhile, the raw water at DWTP1 recorded NH 3-N and Mn concentrations were found below the Malaysian regulated limit (Mn < 0.2 mg/L; NH 3-N < 1.5 mg/L). DWTP3 recorded 17 times of shutdown frequency, followed by DWTP2 (9 times) and DWTP4 (8 times) since the year 1998 to 2010 due to high content of NH 3-N. One-way analysis of variance (ANOVA) showed that the significant fluctuation (p < 0.05) of NH 3-N concentrations in raw water occurred on the year 2007 and 2009, while significant fluctuation of Mn concentration in raw water was observed on year 2005 and 2008 (p < 0.05).",
keywords = "Ammonia removal, Biological aerated filter, Drinking water treatment, Manganese removal, River contamination",
author = "{Abu Hasan}, Hassimi and {Sheikh Abdullah}, {Siti Rozaimah} and Kamarudin, {Siti Kartom} and {Tan Kofli}, Noorhisham",
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AU - Sheikh Abdullah, Siti Rozaimah

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N2 - The contamination of ammonia (NH 3-N) and manganese (Mn) in Malaysian rivers exceeding standard limits is a major problem to drinking water treatment plants (DWTPs). High level of NH 3-N and Mn in raw water are due the sewage discharged and effluent from domestic and latex based industry to the river. The NH 3-N and Mn concentrations have been evaluated at four selected DWTPs using the data since the year 2005 to 2009. From the assessment, three DWTPs (DWTP2, DWTP3 and DWTP4) were always received raw water containing high NH 3-N and Mn concentrations. Meanwhile, the raw water at DWTP1 recorded NH 3-N and Mn concentrations were found below the Malaysian regulated limit (Mn < 0.2 mg/L; NH 3-N < 1.5 mg/L). DWTP3 recorded 17 times of shutdown frequency, followed by DWTP2 (9 times) and DWTP4 (8 times) since the year 1998 to 2010 due to high content of NH 3-N. One-way analysis of variance (ANOVA) showed that the significant fluctuation (p < 0.05) of NH 3-N concentrations in raw water occurred on the year 2007 and 2009, while significant fluctuation of Mn concentration in raw water was observed on year 2005 and 2008 (p < 0.05).

AB - The contamination of ammonia (NH 3-N) and manganese (Mn) in Malaysian rivers exceeding standard limits is a major problem to drinking water treatment plants (DWTPs). High level of NH 3-N and Mn in raw water are due the sewage discharged and effluent from domestic and latex based industry to the river. The NH 3-N and Mn concentrations have been evaluated at four selected DWTPs using the data since the year 2005 to 2009. From the assessment, three DWTPs (DWTP2, DWTP3 and DWTP4) were always received raw water containing high NH 3-N and Mn concentrations. Meanwhile, the raw water at DWTP1 recorded NH 3-N and Mn concentrations were found below the Malaysian regulated limit (Mn < 0.2 mg/L; NH 3-N < 1.5 mg/L). DWTP3 recorded 17 times of shutdown frequency, followed by DWTP2 (9 times) and DWTP4 (8 times) since the year 1998 to 2010 due to high content of NH 3-N. One-way analysis of variance (ANOVA) showed that the significant fluctuation (p < 0.05) of NH 3-N concentrations in raw water occurred on the year 2007 and 2009, while significant fluctuation of Mn concentration in raw water was observed on year 2005 and 2008 (p < 0.05).

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