Distribution and source analysis of per and polyfluoroalkyl substances in water and sediment from Polavaram to Dowleswaram in the Godavari River Basin

Pratyusha Tatavarthi, Prabhakar Singh, Toshiyuki Shimizu, Keerthi Katam

Journal of Environmental Chemical Engineering, 2026

Preliminary Performance Assessment of polyculture vertical flow constructed wetland for campus greywater treatment

Mohan Marumudi, Nida Arshad, Sai Priya Botta, Devi Teppala, M. Sriariyanun, Keerthi Katam

E3S Web of Conferences, 2025

Impact of Yeast Strain Selection on Ethanol Yield from Low Concentration KMnO4 Pretreated Rice Straw: Process Design and Utility Cost Analysis

S. Amornraksa, M. Sriariyanun, A. Tawai, P. Tantayotai, Sunphong Thanok, Theerawut Phusantsumpan, P. Show, Keerthi Katam

Applied Science and Engineering Progress, 2025

Impact of CO2 Exposure on Mechanical and Chemical Properties of Alkali-Coated Mortar

Srideep Dasari, Lakshmi Thotakura, Mohan Marumudi, Laksh Goud, Madhav Chand Chowdary, Sirish Manuka, S. Amornraksa, Keerthi Katam

Iranian Journal of Science and Technology: Transactions of Civil Engineering, 2025

Performance of Green Microalgae-Activated Sludge and Diatom-Activated Sludge Co-Cultures in Kitchen Wastewater Treatment: Nutrient Removal Efficiency and Cellular Fatty Acid Profiling

Keerthi Katam, Srideep Dasari, Abhinav Bharadwaj Tirunaghari, Vinod Vadithya, D. Bhattacharyya, A. Tawai

Applied Science and Engineering Progress, 2025

Inhalation Risk Assessment of Formaldehyde and PM2.5 from Fragrance Product Emissions in Indoor Environments

Srideep Dasari, Meenakshi Kakara, Sneha Maloth, Shivram Karthikeyan, Keerthi Katam

International Journal of Environmental Pollution and Remediation, 2025

Spatiotemporal Variations in Water Quality of the Lower Godavari Basin and Their Agricultural and Health Implications

Pratyusha Tatavarthi, Prabhakar Singh, Vignesh Gandu, Dewanshi Dahake, Adarsh Vangala, Keerthi Katam

International Journal of Environmental Pollution and Remediation, 2025

Assessing Downstream Heavy Metal Contamination and Risks in the Godavari River Basin: Implications for Irrigation and Water Quality Management

Pratyusha Tatavarthi, Keerthi Katam, Prabhakar Sharma, Prabhakar Singh

Journal of Irrigation and Drainage Engineering, vol. 151, American Society of Civil Engineers, 2025, p. 04025007

Simulation-Based Process Design and Preliminary Techno-Economic Assessment of Sulfonation-Based Pretreatment of Sugarcane Leaves Under Mild Conditions

C. Panjapornpon, Apinya Kaoloun, M. Sriariyanun, Keerthi Katam, Sunil K Maity, A. Tawai

Waste and Biomass Valorization, 2025

Effect of silica fertilizer on accumulation of phytolith in rice plant and soil

V. Phakeenuya, Diana Jose, Punyanuch Kunmanee, Marsuton Sanyapeung, Wasinee Pongprayoon, Keerthi Katam, M. Sriariyanun

E3S Web of Conferences, 2025

Bio-Jet Fuel from Vegetable Oils: Production Process and Perspective on Modeling and Simulation

L. Simasatitkul, S. Amornraksa, Keerthi Katam, S. Assabumrungrat

Applied Science and Engineering Progress, 2024

A comparative study on effectiveness and recyclability of three different deep eutectic solvents for biomass fractionation

E. Panakkal, K. Cheenkachorn, S. Chuetor, Srideep Dasari, Keerthi Katam, T. Phusantisampan, Yu-Shen Cheng, M. Sriariyanun

Biomass Conversion and Biorefinery, 2024

Dewaxing and Post-Pretreatment Washing: Impact on Sugar and Ethanol Yields from Tobacco Residue

Muhammad Ayub Khan, E. Panakkal, M. Sriariyanun, M. Gundupalli, S. Roddecha, Keerthi Katam, Jayapriya Jayaprakash, K. Cheenkachorn

Applied Science and Engineering Progress, 2024

Understanding the Environmental Distribution and Potential Health Risks of Pollutants from Deodorant Products: A Review

Meenakshi Kakara, Srideep Dasari, M. Gundupalli, T. Kangsadan, Keerthi Katam

E3S Web of Conferences, 2023

Bayesian Regularization Neural Network-Based Machine Learning Approach on Optimization of CRDI-Split Injection with Waste Cooking Oil Biodiesel to Improve Diesel Engine Performance

Babu Dharmalingam, Santhoshkumar Annamalai, Sukunya Areeya, K. Rattanaporn, Keerthi Katam, P. Show, M. Sriariyanun

Energies, 2023

Optimization of Organosolv Pretreatment with Acid Catalyst to Enhance Enzymatic Saccharification of Corn Husk

Engkarat Buakeaw, Diana Jose, Wawat Rodiahwati, Marttin Paulraj Gundupalli, Keerthi Katam, Prapakorn Tantatotai, M. Sriariyanun, K. Cheenkachorn

E3S Web of Conferences, 2023

Pharmaceuticals and Agro-Chemicals in Groundwater of Hyderabad, India

Kalyani Subbalakshmi Golakoti, Sneha Maloth, Madhu Kumar Kumara, Murali Krishna Sabavath, Sukanya Areeya, D. Bhattacharyya, Keerthi Katam

E3S Web of Conferences, 2023

Conversion of lignocellulose residue obtained from biorefinery stream to electricity by microbial fuel cell

Keerthi Katam, Maythee Saisriyoot, S. Roddecha, Peerapong Pornwongthong, M. Sriariyanun

E3S Web of Conferences, 2023

Analysis Of Indoor And Outdoor Noise Quality At The University – A Case Study

Maruthi Sandesh Maganti, Venkataiah Vibudh Gourishetty, Keerthi Katam

Proceedings of the 9th World Congress on New Technologies, 2023

Non-Target Screening Of Organic Micropollutants In Durgam Cheruvu Lake, India

Sai Krishna Duddupudi, Sreekar Varma Penmetsa, Madhu Kumar Kumara, Nikhil Sai Raghav Vasili, D. Bhattacharyya, Keerthi Katam

Proceedings of the 9th World Congress on New Technologies, 2023

A comprehensive review on the use of algal-bacterial systems for wastewater treatment with emphasis on nutrient and micropollutant removal

R. K. Oruganti, Keerthi Katam, P. Show, V. Gadhamshetty, V. Upadhyayula, D. Bhattacharyya

Bioengineered, 2022

Occurrence, fate, and persistence of per-and poly-fluoroalkyl substances (PFASs) in drinking water treatment systems

Keerthi Katam, Debraj Bhattacharyya

Current Developments in Biotechnology and Bioengineering, Elsevier, 2022, pp. 247--283

The impact of light intensity and wavelength on the performance of algal-bacterial culture treating domestic wastewater

Keerthi Katam, Rishika Ananthula, Sushmitha Anumala, M. Sriariyanun, D. Bhattacharyya

E3S Web of Conferences, 2022

A Review on Chemical Pretreatment Methods of Lignocellulosic Biomass: Recent Advances and Progress

Diana Jose, Nichapat Kitiborwornkul, M. Sriariyanun, Katam Keerthi

Applied Science and Engineering Progress, 2022

Effect of hydraulic retention time on the performance of trickling photo-bioreactor treating domestic wastewater: Removal of carbon, nutrients, and micropollutants

Keerthi Katam, D. Bhattacharyya, S. Soda, Toshiyuki Shimizu

2021

Start‐up of a trickling photobioreactor for the treatment of domestic wastewater

Keerthi Katam, Yashendra Tiwari, Toshiyuki Shimizu, S. Soda, D. Bhattacharyya

Water environment research, 2021

Improving the performance of activated sludge process with integrated algal biofilm for domestic wastewater treatment: System behavior during the start-up phase

Keerthi Katam, D. Bhattacharyya

2021

Micropollutant Removal from Laundry Wastewater in Algal-Activated Sludge Systems: Microbial Studies

Aishwarya Pandey, Keerthi Katam, Prasanth Joseph, S. Soda, Toshiyuki Shimizu, D. Bhattacharyya

Water, Air and Soil Pollution, 2020

Effect of solids retention time on the performance of alga-activated sludge association in municipal wastewater treatment and biofuel production

Keerthi Katam, D. Bhattacharyya

Journal of Applied Phycology, 2020

Micropollutant Removal During Wastewater Treatment : Evaluation of the Process Effectiveness Using High Resolution Accurate Mass LC-MS / MS

M. Damaraju, Keerthi Katam, Lokesh., Kumar Akula, Prasanth Joseph, Saikat, Banerjee, D. Bhattacharyya

2019

Simultaneous treatment of domestic wastewater and bio-lipid synthesis using immobilized and suspended cultures of microalgae and activated sludge

Keerthi Katam, D. Bhattacharyya

Journal of Industrial & Engineering Chemistry, 2019

Nutrient, Linear Alkyl Benzene Sulfonate, and Caffeine Removal from Synthetic Wastewater with an Algal–bacterial Culture and an Activated Sludge Culture in Batch Mode

Keerthi Katam, Toshiyuki Shimizu, D. Bhattacharyya, S. Soda

Japanese Journal of Water Treatment Biology, 2019

Performance evaluation of two trickling filters removing LAS and caffeine from wastewater: Light reactor (algal-bacterial consortium) vs dark reactor (bacterial consortium).

Keerthi Katam, Toshiyuki Shimizu, S. Soda, D. Bhattacharyya

Science of the Total Environment, 2019

藻類－細菌培養系と活性汚泥培養系による合成廃水からの栄養塩類、直鎖アルキルベンゼンスルホン酸、カフェインのバッチ除去

Keerthi Katam, 清水 聡行, D. Bhattacharyya, 惣田 訓

2019

Aerobic Biological Treatment of Pesticide Industry Effluent: A Kinetic Evaluation

Prakat Modi, Keerthi Katam, D. Bhattacharyya

Urbanization Challenges in Emerging Economies, 2018

Production of Biofuel from Kitchen Wastewater by Using a Mixed Culture of Diatoms: Treatment, Kinetic Evaluation, and Lipid Analysis

Keerthi Katam, M. Gundupalli, D. Bhattacharyya

Urbanization Challenges in Emerging Economies, 2018

Comparative study on treatment of kitchen wastewater using a mixed microalgal culture and an aerobic bacterial culture: kinetic evaluation and FAME analysis

Keerthi Katam, D. Bhattacharyya

Environmental science and pollution research international, 2018

Nutrient Removal from Wastewater Using Microalgae: A Kinetic Evaluation and Lipid Analysis

A. Babu, Keerthi Katam, M. Gundupalli, D. Bhattacharyya

Water environment research, 2018

Study of Aerobic Biodegradation of Surfactants and Fluorescent Whitening Agents in Detergents of a Few Selected Asian Countries (India, Indonesia, Japan, and Thailand)

Keerthi Katam, K. Maetani, Toshiyuki Shimizu, J. Nakajima, D. Bhattacharyya

2018

Biodegradation of Commercial Laundry and Dishwashing Detergents under Aerobic and Anaerobic Conditions: A Kinetic Evaluation

Keerthi Katam, D. Bhattacharyya

2018

Treatment of sugarmill effluent and simultaneous production of ethanol: Effect of pH and quantity of seed sludge

M. Gundupalli, Keerthi Katam, D. Bhattacharyya

2017

Biodegradation of Laundry Wastewater Under Aerobic and Anaerobic Conditions: A Kinetic Evaluation

Keerthi Katam, D. Bhattacharyya

Water environment research, 2017