Ravi Kumar Chhetri

Ravi Kumar Chhetri

Researcher

DTU ENVIRONMENT
Department of Environmental Engineering

Technical University of Denmark

Bygningstorvet

Building 115, room 204

2800 Kgs. Lyngby

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2020
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Nitrification inhibition test of salty wastewater using salt-adapted nitrifying bacteria, an alternative test method to ISO method

Chhetri, Ravi Kumar ; Kokkoli, Argyro ; Karvelas, Sofoklis ; Andersen, Henrik Rasmus
part of: 14th DWF Water Research Conference - Abstracts, pages: 49-49, 2020, University of Copenhagen, Frederiksberg
Presented at:
14th annual Water Research Conference: Danish Water Forum (DWF)

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2020

2019
 

Resistente bakterier fra hospitalsspildevand – et problem, der kan løses

Lindholst, Sabine ; Kragelund Rickers, Caroline ; Andersen, Henrik Rasmus ; Hansen, Thomas Eilkær ; Møller, Thomas ; Chhetri, Ravi Kumar

Type: Net publication - Internet publication

Status: Published     |    Year: 2019

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Nitrification inhibition test of high salinity wastewater

Chhetri, Ravi Kumar ; Kokkoli, Argyro ; Karvelas, Sofoklis ; Andersen, Henrik Rasmus
Presented at:
Dansk Vand Konference 2019

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2019

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Nitrification inhibition test of salty wastewater containing Tetrakishydroxymethyl phosphonium sulphate (THPS), formaldehyde and methanol using salt-adapted nitrifying bacteria, an alternative test method to ISO method

Chhetri, Ravi Kumar ; Kokkoli, Argyro ; Andersen, Henrik Rasmus
Presented at:
16th International Conference on Environmental Science & Technology (CEST 2019)

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2019

 

Removal of pharmaceuticals, toxicity and natural fluorescence through the ozonation of biologically-treated hospital wastewater, with further polishing via a suspended biofilm

Tang, Kai ; Spiliotopoulou, Aikaterini ; Chhetri, Ravi Kumar ; Tze Hoong Ooi, Gordon ; Speht Kaarsholm, Kamilla Marie ; Sundmark, Kim ; Florian, Bianca ; Kragelund, Caroline ; Bester, Kai ; Andersen, Henrik Rasmus
in: Chemical Engineering Journal, vol: 359, pages: 321-330

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1016/j.cej.2018.11.112

2018
 

Biological removal of pharmaceuticals from hospital wastewater in a pilot-scale staged moving bed biofilm reactor (MBBR) utilising nitrifying and denitrifying processes

Ooi, Gordon Tze Hoong ; Tang, Kai ; Chhetri, Ravi Kumar ; Kaarsholm, Kamilla Marie Speht ; Sundmark, Kim ; Kragelund, Caroline ; Litty, Klaus ; Christensen, Alice ; Lindholst, Sabine ; Sund, Christina ; Christensson, Magnus ; Bester, Kai ; Andersen, Henrik R.
in: Bioresource Technology, vol: 267, pages: 677-687

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1016/j.biortech.2018.07.077

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Treatment of Arctic Wastewater by Chemical Coagulation, UV and Peracetic Acid Disinfection

Chhetri, Ravi Kumar ; Klupsch, Ewa ; Andersen, Henrik Rasmus ; Jensen, Pernille Erland
in: Environmental Science and Pollution Research, vol: 25, issue: 33, pages: 32851–32859

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1007/s11356-017-8585-5

2017
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Algal toxicity of the alternative disinfectants performic acid (PFA), peracetic acid (PAA), chlorine dioxide (ClO2) and their by-products hydrogen peroxide (H2O2) and chlorite (ClO2-)

Chhetri, Ravi Kumar ; Baun, Anders ; Andersen, Henrik Rasmus
in: International Journal of Hygiene and Environmental Health, vol: 220, issue: 3, pages: 570-574

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/j.ijheh.2016.11.011