Simultaneous autotrophic &amp; heterotrophic denitrification by the injection of reformed spent sulfidic caustic (SSC) in a pilot-scale sewage treatment plant

Lee, Jae-Ho; Park, Jeung-Jin; Seo, Kyo-Seong; Choi, Gi-Choong; Lee, Tae‐Ho

doi:10.1007/s11814-012-0100-6

Korean J. Chem. Eng.

2013

DOI: 10.1007/s11814-012-0100-6

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Simultaneous autotrophic & heterotrophic denitrification by the injection of reformed spent sulfidic caustic (SSC) in a pilot-scale sewage treatment plant

Jae-Ho Lee¹,

Jeung-Jin Park²,

Kyo-Seong Seo

et al.

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Cited by 5 publications

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Mixed sulfur–iron particles packed reactor for simultaneous advanced removal of nitrogen and phosphorus from secondary effluent

Wang

Liang

Wu³

et al. 2014

Environ Sci Pollut Res

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A mixed sulfur-iron particles packed reactor (SFe reactor) was developed to simultaneously remove total nitrogen (TN) and total phosphorus (TP) of the secondary effluent from municipal wastewater treatment plants. Low effluent TN (<1.5 mg/L) and TP (<0.3 mg/L) concentrations were simultaneously obtained, and high TN removal rate [1.03 g N/(L·d)] and TP removal rate [0.29 g P/(L·d)] were achieved at the hydraulic retention time (HRT) of 0.13 h. Kinetic models describing denitrification were experimentally obtained, which predicted a higher denitrification rate [1.98 g N/(L·d)] of SFe reactor than that [1.58 g N/(L·d)] of sulfur alone packed reactor due to the mutual enhancement between sulfur-based autotrophic denitrification and iron-based chemical denitrification. A high TP removal obtained in SFe reactor was attributed to chemical precipitation of iron particles. Microbial community analysis based on 16S rRNA revealed that autotrophic denitrifying bacteria Thiobacillus and Sulfuricella were the dominant genus, indicating that autotrophic denitrification played important role in nitrate removal. These results indicate that sulfur and iron particles can be packed together in a single reactor to effectively remove nitrate and phosphorus.

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Mixed sulfur–iron particles packed reactor for simultaneous advanced removal of nitrogen and phosphorus from secondary effluent

Wang

Liang

Wu³

et al. 2014

Environ Sci Pollut Res

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Evaluation of industrial organic waste as an alternative external carbon source for denitrification in the biological nutrient removal process

Lee

Moon

Park

et al. 2013

Korean J. Chem. Eng.

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Effective partial nitrification and denitrification via nitrite with inhibitor removal basin for high strength ammonium wastewater treatment

Kim

2014

Korean J. Chem. Eng.

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Simultaneous autotrophic & heterotrophic denitrification by the injection of reformed spent sulfidic caustic (SSC) in a pilot-scale sewage treatment plant

Cited by 5 publications

References 12 publications

Mixed sulfur–iron particles packed reactor for simultaneous advanced removal of nitrogen and phosphorus from secondary effluent

Mixed sulfur–iron particles packed reactor for simultaneous advanced removal of nitrogen and phosphorus from secondary effluent

Evaluation of industrial organic waste as an alternative external carbon source for denitrification in the biological nutrient removal process

Effective partial nitrification and denitrification via nitrite with inhibitor removal basin for high strength ammonium wastewater treatment

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