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Research on the effects of ferric salt added into aeration tank for phosphorus removal on biochemical system

Xie Jingliang

Xie Jingliang

School of Environmental and Municipal Engineering, Qingdao Technological UniversityQingdao, China
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Jingliang, Xie
, 
Sun Yuanjie

Sun Yuanjie

School of Environmental and Municipal Engineering, Qingdao Technological UniversityQingdao, China
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Yuanjie, Sun
, 
Peng Anran

Peng Anran

School of Environmental and Municipal Engineering, Qingdao Technological UniversityQingdao, China
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Anran, Peng
, 
Faris Kateb

Faris Kateb

Department of Information Technology, Faculty of Computing and Information Technology, King Abdulaziz UniversityJeddah, Saudi Arabia
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Kateb, Faris
 y 
Hooreya Mohamed Ahmed Aldeeb

Hooreya Mohamed Ahmed Aldeeb

Applied Science UniversityKingdom of Bahrain
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Ahmed Aldeeb, Hooreya Mohamed
  
10 nov 2021
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Publicado en línea: 10 nov 2021
Páginas: 281 - 290
Recibido: 25 may 2021
Aceptado: 23 jul 2021
DOI: https://doi.org/10.2478/amns.2021.2.00041
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© 2021 Xie Jingliang et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Effects of adding ferric salt on pH value.
Effects of adding ferric salt on pH value.

Fig. 2

Effect of adding ferric salt on alkalinity.
Effect of adding ferric salt on alkalinity.

Fig. 3

Effect of adding ferric salt on phosphorus removal.
Effect of adding ferric salt on phosphorus removal.

Fig. 4

Treatment results of effluent from aeration tank with different valence ferric salts.
Treatment results of effluent from aeration tank with different valence ferric salts.

Main instrument table for testing_

Experimental device Type
Digital electronic analytical balance AUY220
Precise PH meter PHS-3C
Vacuum extractor MC-600D
Stirrer used in coagulation test ZR4-6
Magnetic stirrer MS7-H550-Pro
Silent air pump AP9903A
UV spectrophotometer UVmini-1240

Pure water test_

Test I Initial pH The pH after aeration
Pure water 6.4 6.3
Tap water 7.7 8.3
Test II Initial pH The pH after filling in CO2 The pH after aeration
Pure water 6.2 5.3 6.4
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Ciencias de la vida, Ciencias de la vida, otros, Matemáticas, Matemáticas aplicadas, Matemáticas generales, Física, Física, otros
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