Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Ravi Kumar Chhetri"'
Autor:
Diego Francisco Sanchez, Lina Kisieliene, Sabine Lindholst, Alexander Valentin Hansen, Jesper Sanderbo, Birgitte Krogh Løppenthien, Thomas Eilkær, Natascha Kock Pedersen, Jan Jørgensen, Caroline Kragelund, Henrik Rasmus Andersen, Ravi Kumar Chhetri
Publikováno v:
Environmental Science: Water Research & Technology. 8:2580-2588
Peracetic acid effectively reduced the number of antibiotic-resistant bacteria in untreated municipal & hospital wastewater.
Autor:
Georgia Gatidou, Pasxalis Hatzopoulos, Ravi Kumar Chhetri, Argyro Kokkoli, Andreas Giannakopoulos, Olga Arvaniti, Henrik Rasmus Andersen, Athanasios Stasinakis
Publikováno v:
Global NEST International Conference on Environmental Science & Technology.
This study examines the biodegradation of 3,3′,4′,5-tetrachlorosalicylanilide (TSCA) by activated sludge and investigates its effects to different aquatic organisms. According to the experimental results, the fate of the target compound in activa
Autor:
Ravi Kumar Chhetri, Diego Francisco Sanchez, Sabine Lindholst, Alexander Valentin Hansen, Jesper Sanderbo, Birgitte Krogh Løppenthien, Thomas Eilkær, Henning Gade, Jørgen Skaarup, Caroline Kragelund, Henrik Rasmus Andersen
Publikováno v:
Chhetri, R K, Sanchez, D F, Lindholst, S, Hansen, A V, Sanderbo, J, Løppenthien, B K, Eilkær, T, Gade, H, Skaarup, J, Kragelund, C & Andersen, H R 2022, ' Disinfection of hospital-derived antibiotic-resistant bacteria at source using peracetic acid ', Journal of Water Processing Engineering, vol. 45, 102507 . https://doi.org/10.1016/j.jwpe.2021.102507
This work evaluated the removal of hospital-derived antibiotic-resistant bacteria (ARB) from source, using peracetic acid (PAA). Four pilot experiments, two using raw hospital wastewater and two using municipal wastewater, were conducted using three
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::291e267e18ee308269c0f704d9e68a39
https://orbit.dtu.dk/en/publications/81d2c2b8-7855-461e-a8db-c23ffe8c49c9
https://orbit.dtu.dk/en/publications/81d2c2b8-7855-461e-a8db-c23ffe8c49c9
Autor:
Rusen Zou, Kai Tang, Adam C. Hambly, Ravi Kumar Chhetri, Henrik Rasmus Andersen, Yifeng Zhang
Publikováno v:
Zou, R, Tang, K, Hambly, A C, Chhetri, R K, Andersen, H R & Zhang, Y 2022, ' Elimination of recalcitrant micropollutants by medium pressure UV-catalyzed bioelectrochemical advanced oxidation process : Influencing factors, transformation pathway and toxicity assessment ', Science of the Total Environment, vol. 828, 154543 . https://doi.org/10.1016/j.scitotenv.2022.154543
Bio-electro-Fenton (BEF) processes have been widely studied in recent years to remove recalcitrant micropollutants from wastewater. Though promising, it still faces the critical challenge of residual iron and iron sludge in the treated effluent. Thus
Autor:
Gordon Tze Hoong Ooi, Kai Bester, Henrik Rasmus Andersen, Aikaterini Spiliotopoulou, Caroline Kragelund, Kamilla Marie Speht Kaarsholm, Bianca Florian, Kai Tang, Kim Sundmark, Ravi Kumar Chhetri
Publikováno v:
Tang, K, Spiliotopoulou, A, Chhetri, R K, Tze Hoong Ooi, G, Speht Kaarsholm, K M, Sundmark, K, Florian, B, Kragelund, C, Bester, K & Andersen, H R 2019, ' Removal of pharmaceuticals, toxicity and natural fluorescence through the ozonation of biologically-treated hospital wastewater, with further polishing via a suspended biofilm ', Chemical Engineering Journal, vol. 359, pp. 321-330 . https://doi.org/10.1016/j.cej.2018.11.112
Tang, K, Spiliotopoulou, A, Chhetri, R K, Ooi, G T H, Kaarsholm, K M S, Sundmark, K, Florian, B, Kragelund, C, Bester, K & Andersen, H R 2019, ' Removal of pharmaceuticals, toxicity and natural fluorescence through the ozonation of biologically-treated hospital wastewater, with further polishing via a suspended biofilm ', Chemical Engineering Journal, vol. 359, pp. 321-330 . https://doi.org/10.1016/j.cej.2018.11.112
Tang, K, Spiliotopoulou, A, Chhetri, R K, Ooi, G T H, Kaarsholm, K M S, Sundmark, K, Florian, B, Kragelund, C, Bester, K & Andersen, H R 2019, ' Removal of pharmaceuticals, toxicity and natural fluorescence through the ozonation of biologically-treated hospital wastewater, with further polishing via a suspended biofilm ', Chemical Engineering Journal, vol. 359, pp. 321-330 . https://doi.org/10.1016/j.cej.2018.11.112
In the present study, a pilot-scale ozonation system was introduced as post treatment to reduce the pharmaceuticals and toxicity in the effluent of a pilot-scale Moving Bed Biofilm Reactor (MBBR) treating hospital wastewater. The ozonated effluent wa
Autor:
Klaus Litty, Sabine Lindholst, Christina Sund, Magnus Christensson, A. T. Christensen, Henrik Rasmus Andersen, Kim Sundmark, Kamilla Marie Speht Kaarsholm, Ravi Kumar Chhetri, Gordon Tze Hoong Ooi, Kai Bester, Caroline Kragelund, Kai Tang
Publikováno v:
Ooi, G T H, Tang, K, Chhetri, R K, Kaarsholm, K M S, Sundmark, K, Kragelund, C, Litty, K, Christensen, A, Lindholst, S, Sund, C, Christensson, M, Bester, K & Andersen, H R 2018, ' Biological removal of pharmaceuticals from hospital wastewater in a pilot-scale staged moving bed biofilm reactor (MBBR) utilising nitrifying and denitrifying processes ', Bioresource Technology, vol. 267, pp. 677-687 . https://doi.org/10.1016/j.biortech.2018.07.077
Hospital wastewater contains high concentrations of pharmaceuticals, which pose risks to receiving waters. In this study, a pilot plant consisting of six moving bed biofilm reactors (MBBRs) in series (with the intention to integrate Biological Oxygen
Autor:
Manuela Antonelli, Henrik Rasmus Andersen, Ravi Kumar Chhetri, Silvia Di Gaetano, Andrea Turolla
Publikováno v:
International Journal of Environmental Research and Public Health, Vol 17, Iss 5031, p 5031 (2020)
Chhetri, R K, Gaetano, S D, Turolla, A, Antonelli, M & Andersen, H R 2020, ' Ecotoxicity evaluation of pure peracetic acid (PAA) after eliminating hydrogen peroxide from commercial paa ', International Journal of Environmental Research and Public Health, vol. 17, no. 14, 5031 . https://doi.org/10.3390/ijerph17145031
International Journal of Environmental Research and Public Health
Volume 17
Issue 14
Chhetri, R K, Gaetano, S D, Turolla, A, Antonelli, M & Andersen, H R 2020, ' Ecotoxicity evaluation of pure peracetic acid (PAA) after eliminating hydrogen peroxide from commercial paa ', International Journal of Environmental Research and Public Health, vol. 17, no. 14, 5031 . https://doi.org/10.3390/ijerph17145031
International Journal of Environmental Research and Public Health
Volume 17
Issue 14
In recent years, peracetic acid (PAA) has gained a lot of attention as an alternative disinfectant to chlorine-based disinfectants in the water industry. Commercial PAA solutions contain both PAA and hydrogen peroxide (HP), and the degradation of HP
Publikováno v:
International Journal of Environmental Research and Public Health, Vol 17, Iss 4656, p 4656 (2020)
International Journal of Environmental Research and Public Health
Chhetri, R K, Kaarsholm, K M S & Andersen, H R 2020, ' Colorimetric Quantification Methods for Peracetic Acid together with Hydrogen Peroxide for Water Disinfection Process Control ', International Journal of Environmental Research and Public Health, vol. 17, no. 13, 4656 . https://doi.org/10.3390/ijerph17134656
Volume 17
Issue 13
International Journal of Environmental Research and Public Health
Chhetri, R K, Kaarsholm, K M S & Andersen, H R 2020, ' Colorimetric Quantification Methods for Peracetic Acid together with Hydrogen Peroxide for Water Disinfection Process Control ', International Journal of Environmental Research and Public Health, vol. 17, no. 13, 4656 . https://doi.org/10.3390/ijerph17134656
Volume 17
Issue 13
Peracetic acid (PAA) water solutions is applied for disinfection of industry systems, food products and non-potable water. Commercially available peracetic acid is always supplied mixed with hydrogen peroxide (H2O2). H2O2 degrade slower than the pera
Autor:
Zularisam ab bin Wahid, Min Addy, Birgitte Ahring, Syeda Nazish Ali, Muhammad Naveed Anwar, Nabin Aryal, Dimitris Athanassiadis, Mukesh Kumar Awasthi, Ashutosh Awasthi, Sanjeev Kumar Awasthi, Mujtaba Baqar, Satya Sundar Bhattacharya, Nilutpal Bhuyan, Tuhin Kanti Biswas, Neonjyoti Bordoloi, Anuj Kumar Chandel, Ram Chandra Poudel, Hongyu Chen, Paul Chen, Yanling Cheng, Ravi Kumar Chhetri, Kirk Cobb, Subhasish Das, Silvio Silvério da Silva, Utsab Deb, Goldy De Bhowmick, Sarah de Souza Queiroz, Kuan Ding, Yumin Duan, Maria das Graças de Almeida Felipe, Tsai Garcia-Perez, Manuel Garcia-Perez, Bhabesh Gogoi, Lina Gogoi, Nirmali Gogoi, Linee Goswami, Reena Gupta, Indarchand Gupta, David J.I. Gustavsson, Prakash M. Halami, Aoxi He, Andrés Felipe Hernández-Pérez, Moonmoon Hiloidhari, Zhen Hu, Avinash P. Ingle, Dharana Jayant, Ratna Kalita, Dipanjan Kashyap, Rupam Kataki, P.C. Kesavan, Muhammad Usman Khan, Samir Kumar Khanal, Suman Kharel, Manish Kumar, Hanwu Lei, Tao Liu, Yuhuan Liu, Shiyu Liu, Paulo Ricardo Franco Marcelino, Sabrina Martiniano, Kristina Medhi, Arti Mishra, Puranjan Mishra, Santanu Mukherjee, Rumi Narzari, Tankeswar Nath, Hua Thai Nhan, Abdul Sattar Nizami, D.R. Palsaniya, Ashok Pandey, Deepak Pant, Peng Peng, Rafael R. Philippini, Shiv Prasad, Supriyanka Rana, Xiuna Ren, Roger Ruan, Saurabh Sarma, Ajit Kumar Sarmah, Jenna Senecal, Pradeep Kumar Sharma, Prithvi Simha, Kripal Singh, Rana Pratap Singh, Lakhveer Singh, M.S. Swaminathan, Mohammad J. Taherzadeh, S.K. Tewari, Indu Shekhar Thakur, Mats Tysklind, Venkata Krishna Kumar Upadhyayula, Fernanda Valadares, Björn Vinnerås, Quan Wang, Yunpu Wang, Sumeth Wongkiew, Dalia Yacout, Pooja Yadav, Zengqiang Zhang, Junchao Zhao, Nan Zhou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0260c537d3cd5233dd3df245a6a41f5
https://doi.org/10.1016/b978-0-444-64309-4.01002-3
https://doi.org/10.1016/b978-0-444-64309-4.01002-3
Publikováno v:
Technical University of Denmark Orbit
Agriculture-based industries generate significant amounts and varieties of agro-industrial wastes (AIW). AIW, if not treated properly, may cause environmental pollution and pose a harmful effect on human and animal health. Although AIW consist of org
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::25407079901ccf33cdb8a2c5d10e2381
https://doi.org/10.1016/b978-0-444-64309-4.00005-2
https://doi.org/10.1016/b978-0-444-64309-4.00005-2