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R. Riffat · SciRah

Researcher profile · Semantic Scholar

R. Riffat

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R. Riffat — researcher profile on SciRah

h-index: 21
Works: 105
Citations: 1,651

Most-cited papers

Effect of various sludge digestion conditions on sulfonamide, macrolide, and tetracycline resistance genes and class I integrons.
Yanjun Ma, C. Wilson, J. Novak, R. Riffat +3 more
2011Environmental Science and Technology392 citations
Semantic Scholar
Fundamentals of Wastewater Treatment and Engineering
R. Riffat
2012123 citations
Semantic Scholar
Bioflocculation management through high-rate contact-stabilization: A promising technology to recover organic carbon from low-strength wastewater.
Arifur Rahman, F. Meerburg, Shravani Ravadagundhi, B. Wett +6 more
2016Water Research118 citations
Semantic Scholar
Integration of forward osmosis and membrane distillation for sustainable wastewater reuse
Taqsim Husnain, Yaolin Liu, R. Riffat, B. Mi
201585 citations Open access
Semantic Scholar
A-stage and high-rate contact-stabilization performance comparison for carbon and nutrient redirection from high-strength municipal wastewater
Arifur Rahman, H. De Clippeleir, Warner Thomas, Jose Jimenez +5 more
2019Chemical Engineering Journal77 citations
Semantic Scholar
Moving forward with A-stage and high-rate contact-stabilization for energy efficient water resource recovery facility: Mechanisms, factors, practical approach, and guidelines
Arifur Rahman, M. Hasan, F. Meerburg, Jose Jimenez +7 more
202066 citations
Semantic Scholar
Balancing yield, kinetics and cost for three external carbon sources used for suspended growth post-denitrification.
Y. Mokhayeri, R. Riffat, S. Murthy, Walter Bailey +2 more
2009Water Science and Technology54 citations
Semantic Scholar
Examining the influence of substrates and temperature on maximum specific growth rate of denitrifiers.
Yalda Mokhayeri, A. Nichols, S. Murthy, R. Riffat +2 more
2006Water Science and Technology54 citations Open access
Semantic Scholar
Impact of aerobic famine and feast condition on extracellular polymeric substance production in high-rate contact stabilization systems
Arifur Rahman, Mariela Mosquera, Warner Thomas, Jose Jimenez +6 more
201752 citations
Semantic Scholar
Denitrification with Carbon Addition—Kinetic Considerations
P. Dold, I. Takács, Y. Mokhayeri, A. Nichols +5 more
2008Water environment research51 citations
Semantic Scholar
Biodegradation of salicylic acid, acetaminophen and ibuprofen by bacteria collected from a full-scale drinking water biofilter.
M. Hasan, K. Alfredo, S. Murthy, R. Riffat
2021Journal of Environmental Management49 citations
Semantic Scholar
Characterizing denitrification kinetics at cold temperature using various carbon sources in lab-scale sequencing batch reactors.
Y. Mokhayeri, R. Riffat, I. Takács, P. Dold +4 more
2008Water Science and Technology49 citations
Semantic Scholar
Methods for quantification of biosorption in high-rate activated sludge systems
Arifur Rahman, Harold Y. Yapuwa, M. G. Baserba, D. Rosso +6 more
201734 citations
Semantic Scholar
Primary sludge fermentate as carbon source for mainstream partial denitrification–anammox (PdNA)
P. Ali, Nadezhda Zalivina, T. Le, R. Riffat +7 more
2020Water environment research31 citations Open access
Semantic Scholar
Microbial population dynamics in temperature‐phased anaerobic digestion of municipal wastewater sludge
S. A. Hameed, R. Riffat, Baoqiang Li, Iffat Naz +3 more
2019Journal of Chemical Technology & Biotechnology31 citations
Semantic Scholar
Toward Universal Half‐Saturation Coefficients: Describing Extant KS as a Function of Diffusion
A. Shaw, I. Takács, K. Pagilla, R. Riffat +3 more
2015Water environment research29 citations
Semantic Scholar
Specific methanogenic activity of halophilic and mixed cultures in saline wastewater
R. Riffat, K. Krongthamchat
200629 citations Open access
Semantic Scholar
Partial denitrification–anammox (PdNA) application in mainstream IFAS configuration using raw fermentate as carbon source
Mojolaoluwa Ladipo-Obasa, Nicole Forney, R. Riffat, C. Bott +2 more
2022Water environment research28 citations
Semantic Scholar
Effect of trace metals on halophilic and mixed cultures in anaerobic treatment
K. Krongthamchat, R. Riffat, S. Dararat
200628 citations Open access
Semantic Scholar
Fundamentals of Wastewater Treatment and Engineering
R. Riffat, Taqsim Husnain
202225 citations
Semantic Scholar
Anaerobic Treatment of High‐Saline Wastewater Using Halophilic Methanogens in Laboratory‐Scale Anaerobic Filters
R. Riffat, K. Krongthamchat
2007Water environment research24 citations
Semantic Scholar
A Combined Forward Osmosis and Membrane Distillation System for Sidestream Treatment
Taqsim Husnain, B. Mi, R. Riffat
201520 citations Open access
Semantic Scholar
The inhibitory impact of ammonia on thermally hydrolyzed sludge fed anaerobic digestion
Baoqiang Li, Mojolaoluwa Ladipo-Obasa, A. Romero, Tanush Wadhawan +8 more
2021Water environment research18 citations
Semantic Scholar
Recuperative thickening for sludge retention time and throughput management in anaerobic digestion with thermal hydrolysis pretreatment
Baoqiang Li, A. Romero, Tanush Wadhawan, Michael Tobin +6 more
2019Water environment research15 citations
Semantic Scholar
Fouling and long-term durability of an integrated forward osmosis and membrane distillation system.
Taqsim Husnain, B. Mi, R. Riffat
2015Water Science and Technology14 citations Open access
Semantic Scholar
Influence of Source Characteristics, Chemicals, and Flocculation on Chemically Enhanced Primary Treatment
Dilli R. Neupane, R. Riffat, S. Murthy, Marija R. Perić +1 more
2008Water environment research14 citations
Semantic Scholar
Denitrification Stoichiometry and Kinetics of Moving Bed Biofilm Reactor
A. Shrestha, R. Riffat, C. Bott, I. Takács +4 more
20099 citations
Semantic Scholar
Evaluation of Anoxic Heterotrophic Yield using Multiple Calculation Methods
Arifur Rahman, R. Riffat, Sylvia Okogi, I. Takács +2 more
20168 citations
Semantic Scholar
Estimating The Kinetics And Stoichiometry Of Heterotrophic Denitrifying Bacteria With Glycerol As An External Carbon Source
Jeneva Hinojosa, R. Riffat, S. Fink, S. Murthy +5 more
20088 citations
Semantic Scholar
A Process for Harmful Algal Bloom Location Prediction Using GIS and Trend Analysis for the Terrestrial Waters of Kuwait
B. Shuhaibar, R. Riffat
20088 citations Open access
Semantic Scholar
Investigation of the Performance and Kinetics of Anaerobic Digestion at 45°C
N. Mohd, Taqsim Husnain, Baoqiang Li, Arifur Rahman +1 more
20157 citations Open access
Semantic Scholar
Impacts of Enhanced Digestion Processes on Biosolids Quality Parameters: Odors and Indicators.
S. Murthy, M. Higgins, Yen-Chih Chen, J. Novak +3 more
20097 citations
Semantic Scholar
Impact of instrumentation reliability on mainstream suspended partial denitrification–anammox (PdNA)
Mojolaoluwa Ladipo-Obasa, Nicole Forney, Audra Foster, E. Maxwell +6 more
2023Water environment research6 citations
Semantic Scholar
Mechanistically Understanding the Dewatering Fundamentals: Impact of Biological Systems and Thermal Hydrolysis on Cake Total Solids and Polymer Demand
M. Hasan, Qi Zhang, R. Riffat, A. Al-Omari +3 more
20176 citations
Semantic Scholar
Does Optimization of Carbon Redirection Always Imply Energy Recovery
Arifur Rahman, H. De Clippeleir, Tim Van Winckel, T. Le +6 more
20156 citations
Semantic Scholar
MAXIMUM METHANOL-UTILIZER GROWTH RATE: IMPACT OF TEMPERATURE ON DENITRIFICATION
A. Nichols, Jeneva Hinojosa, R. Riffat, P. Dold +4 more
20076 citations
Semantic Scholar
Temperature Phased Anaerobic Digestion at the Intermediate Zone of 45 °C: Performances, Stability and Pathogen Deactivation
N. Mohd, Baoqiang Li, S. Ibrahim, R. Riffat
2021Sains Malaysiana4 citations Open access
Semantic Scholar
The Impact of Post Anoxic Dissolved Oxygen Concentrations on nitrous Oxide Emissions in Nitrification Processes
Muriel Dumit, J. Gabarró, S. Murthy, R. Riffat +3 more
20114 citations
Semantic Scholar
Role of half-saturation coefficient and biofilm thickness on micropollutant biodegradation
Mahmudul Hasan, Katherine Alfredo, Sudhir Murthy, R. Riffat
2025Journal of Water Process Engineering3 citations
Semantic Scholar
Fundamental Study on Dewatering Characteristics of Wastewater Sludge from Different Treatment Processes
M. Hasan, Qi Zhang, R. Riffat, A. Al-Omari +3 more
20173 citations
Semantic Scholar
Impact of recuperative thickening on anaerobic digestion of thermally hydrolyzed sludge.
A. Romero, Baoqiang Li, E. Manning, M. Higgins +4 more
20173 citations
Semantic Scholar
Management of bioflocculation through high-rate contact-stabilization: a promising technology to recover carbon from low-strength wastewater
Arifur Rahman, F. Meerburg, Shravani Ravadagundhi, Jose Jimenez +6 more
20163 citations
Semantic Scholar
Development of a Laboratory Clarifier Test to Predict Full Scale Primary Clarifier Performance
Marija R. Perić, R. Riffat, S. Murthy, Dilli R. Neupane +1 more
20083 citations
Semantic Scholar
Does operation at increased ammonia concentration impact hydrolysis rates
Baoqiang Li, A. Romero, E. Manning, M. Higgins +4 more
20172 citations
Semantic Scholar
Characterizing Denitrification Kinetics in Lab Scale Reactors for Longer Time Ethanol Dosage
Arifur Rahman, Sylvia Okogi, R. Riffat, A. Al-Omari +1 more
20162 citations Open access
Semantic Scholar
Anaerobic digestion at 45°C for sludge treatment: a trade-off between performances and capability in producing class A biosolids.
N. Mohd, Baoqiang Li, A. Hameed, Safia Ahmed +1 more
20162 citations Open access
Semantic Scholar
Impact of RAS Aeration on Bioflocculation and Carbon Redirection in High-Rate Activated Sludge Processes
Arifur Rahman, F. Meerburg, Shravani Ravadagundhi, B. Wett +6 more
20162 citations
Semantic Scholar
Modeling the Use of External Carbon Substrate for Denitrification by Generalists and Specialists
A. Al-Omari, S. Murthy, I. Takács, Yalda Mokhayeri +2 more
20112 citations
Semantic Scholar
Effect of hydraulic retention time on pretreatment of blended municipal sludge.
S. Koyunluoglu-Aynur, R. Riffat, S. Murthy
2011Water Science and Technology2 citations Open access
Semantic Scholar
Rate Dependant Half Saturation Coefficients for Nitrate
A. Shaw, I. Takács, S. Murthy, R. Hareendran +2 more
20102 citations
Semantic Scholar

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