Ammonia Nitrogen Removal from Chlor-Alkali Chemical Industry Wastewater by Magnesium Ammonium Phosphate Precipitation Method

Lei Zhu; Zhi Yong Guo; Xiu Yi Hua; De Ming Dong; Da Peng Liang; Ying Ying Sun

doi:10.4028/www.scientific.net/AMR.573-574.1096

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 573-574Ammonia Nitrogen Removal from Chlor-Alkali...

Ammonia Nitrogen Removal from Chlor-Alkali Chemical Industry Wastewater by Magnesium Ammonium Phosphate Precipitation Method

Abstract:

This study introduces a method of ammonia nitrogen removal from chlor-alkali industry wastewater by magnesium ammonium phosphate (MAP) precipitation. The effect of pH, reagent ratio and temperature were investigated. The pH was found to be the most significant factor. The optimal ammonia nitrogen removal ratio is about 46% under the condition of pH=10, reagent ratio n(Mg) : n(N) : n(P)=1.2 : 1.0 : 1.0 and temperature=35°C. According to this study, MAP precipitation method has the potential ability to be applied to remove ammonia nitrogen from chlor-alkali chemical industry wastewater.

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Periodical:

Advanced Materials Research (Volumes 573-574)

Pages:

1096-1100

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.573-574.1096

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Online since:

October 2012

Authors:

Lei Zhu, Zhi Yong Guo, Xiu Yi Hua, De Ming Dong, Da Peng Liang, Ying Ying Sun

Keywords:

Ammonia Nitrogen, Chemical Precipitation, Chlor-Alkali Chemical Wastewater, Factor, Magnesium Ammonium Phosphate

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