scholarly journals Simultaneous removal of sulfamethoxazole and enhanced denitrification process from simulated municipal wastewater by a novel 3D-BER system

2021 ◽  
Author(s):  
Mahdi Hassan ◽  
Guangcan Zhu ◽  
Zhonglian Yang ◽  
Yongze Lu
Keyword(s):  
Municipal Wastewater ◽  
Simultaneous Removal ◽  
Denitrification Process

Nitrification and denitrification using a single biofilter packed with granular sulfur

2003 ◽  
Vol 47 (11) ◽  
pp. 153-156 ◽  
Author(s):  
J.-S. Kim ◽  
Y.-W. Hwang ◽  
C.-G. Kim ◽  
J.-H. Bae
Keyword(s):  
Wastewater Treatment ◽  
Municipal Wastewater ◽  
Domestic Wastewater ◽  
Organic Load ◽  
Low Carbon ◽  
Municipal Wastewater Treatment ◽  
Treatment Facility ◽  
Experimental Conditions ◽  
Nitrification And Denitrification ◽  
Denitrification Process

This study was performed to develop a granular sulfur packed nitrification/denitrification process employing a uniquely designed single biofilter, which treated a relatively low carbon loaded domestic wastewater taken from a primary clarifier at a municipal wastewater treatment facility. The system was tested on varying experimental conditions, e.g. inflow flow, organic load and nitrogen load. Regardless of flow rate being increased, SS and COD was unvaryingly removed up to 90 and 80%, respectively. Moreover, TKN was also decomposed up to 90%. Increase in COD load gradually led to escalating level of non-biodegradable compounds observed in effluent. Nitrification was accomplished as high as 92%, whereas denitrification was achieved up to approximately 87%. For a while, nitrification and denitrification were observed at 0.65 and 0.55 kg/m3áday, respectively. Eventually, T-N was decomposed as high as 46%. It was concluded that granular sulfur can be used for not only electron donor, but also for a media to properly treat low carbon loaded wastewater and to filter SS efficiently.

Effect of HRT on the biological pre-denitrification process for the simultaneous removal of toxic pollutants from cokes wastewater

2008 ◽  
Vol 99 (18) ◽  
pp. 8824-8832 ◽  
Author(s):  
Young Mo Kim ◽  
Donghee Park ◽  
Che Ok Jeon ◽  
Dae Sung Lee ◽  
Jong Moon Park
Keyword(s):  
Simultaneous Removal ◽  
Toxic Pollutants ◽  
Denitrification Process

Enhancing simultaneous removal of nitrogen and phosphorus from municipal wastewater by Fe–Cu shavings

2014 ◽  
Vol 52 (37-39) ◽  
pp. 7422-7428
Author(s):  
Zhigang Liu ◽  
Jinhong Fan ◽  
Luming Ma ◽  
Bing Wu ◽  
Yilei Mi ◽  
...  
Keyword(s):  
Municipal Wastewater ◽  
Simultaneous Removal ◽  
Nitrogen And Phosphorus

scholarly journals Full-Scale Implementation of a Vertical Membrane Bioreactor for Simultaneous Removal of Organic Matter and Nutrients from Municipal Wastewater

Water ◽  
2015 ◽  
Vol 7 (12) ◽  
pp. 1164-1172 ◽  
Author(s):  
So-Ryong Chae ◽  
Jin-Ho Chung ◽  
Yong-Rok Heo ◽  
Seok-Tae Kang ◽  
Sang-Min Lee ◽  
...  
Keyword(s):  
Organic Matter ◽  
Membrane Bioreactor ◽  
Municipal Wastewater ◽  
Full Scale ◽  
Simultaneous Removal

Evaluation of denitrification potential of rotating biological contactors for treatment of municipal wastewater

2005 ◽  
Vol 51 (11) ◽  
pp. 131-139 ◽  
Author(s):  
O. Hanhan ◽  
D. Orhon ◽  
Kh. Krauth ◽  
B. Günder
Keyword(s):  
Contact Time ◽  
Municipal Wastewater ◽  
Rotation Speed ◽  
Nitrate Removal ◽  
Rotating Biological Contactor ◽  
Suitable Alternative ◽  
Nutrient Limitations ◽  
Speed Range ◽  
Rotating Biological Contactors ◽  
Denitrification Process

In this study the effect of retention time and rotation speed in the denitrification process in two full-scale rotating biological contactors (RBC) which were operated parallel and fed with municipal wastewater is evaluated. Each rotating biological contactor was covered to prevent oxygen input. The discs were 40% submerged. On the axle of one of the rotating biological contactors lamellas were placed (RBC1). During the experiments the nitrate removal performance of the rotating biological contactor with lamellas was observed to be less than the other (RBC2) since the lamellas caused oxygen diffusion through their movement. The highest nitrate removal observed was 2.06 g/m2.d achieved by a contact time of 28.84 minutes and a recycle flow of 1 l/s. The rotation speed during this set had the constant value of 0.8 min−1. Nitrate removal efficiency on RBC1 was decreasing with increasing rotation speed. On the rotating biological contactor without lamellas no effect on denitrification could be determined within a speed range from 0.67 to 2.1 min−1. If operated in proper conditions denitrification on RBC is a very suitable alternative for nitrogen removal that can easily fulfil the nutrient limitations in coastal areas due to the rotating biological contactors economical benefits and uncomplicated handling.

Behaviour of an anaerobic/aerobic pilot scale fluidized bed for the simultaneous removal of carbon and nitrogen

1994 ◽  
Vol 29 (10-11) ◽  
pp. 339-346 ◽  
Author(s):  
F. Fdez-Polanco ◽  
F. J. Real ◽  
P. A. Garcia
Keyword(s):  
Wastewater Treatment ◽  
Fluidized Bed ◽  
Municipal Wastewater ◽  
Fluidized Bed Reactor ◽  
Pilot Scale ◽  
Simultaneous Removal ◽  
Municipal Wastewater Treatment ◽  
Carbon And Nitrogen ◽  
Aerobic And Anaerobic ◽  
Simultaneous Elimination

Description of a pilot installation for municipal wastewater treatment. The simultaneous elimination of organic carbon and nitrogen carried out by a fluidized bed reactor with aerobic and anaerobic areas. The presentation of experimental results corresponding to a model of the flow and behaviour of the above mentioned elimination of organic material and nitrogen. Presentation of information concerning the characteristics of COD, N-NH3, N-NOx, pH, Redox Potential and D.O. throughout the reactor. Levels of purification reached: CODS>80%; (BOD5)S>90%; N-TKN>80%; N-NTotal>70%.

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