2026 Samir Kumar Khanal: Environmental Sciences Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Environmental Sciences	73	1398	1325	596	545	230	22744

Overview

Samir Kumar Khanal is a researcher affiliated with the University of Hawaii at Manoa in the United States, focusing primarily on Environmental Science and Engineering. Their work spans multiple subfields including Water Science and Technology, Building and Construction, Pollution, Biomedical Engineering, and Industrial and Manufacturing Engineering.

Khanal's research topics cover several areas with a notable emphasis on anaerobic digestion and biogas production. Other significant topics include wastewater treatment and nitrogen removal, innovations in aquaponics and hydroponics systems, microbial fuel cells and bioremediation, biofuel production and bioconversion, minerals flotation and separation techniques, and constructed wetlands for wastewater treatment.

Frequent collaborators in their research include K.C. Surendra, Hui Lü, Sumeth Wongkiew, Wachiranon Chuenchart, and Ashok Pandey. These co-authors have been involved in numerous joint publications contributing to various aspects of environmental and engineering sciences.

Khanal has contributed to a range of scholarly articles published in several reputable venues. The most common journals for their work are Bioresource Technology, Water Research, ACS ES&T Engineering, Waste Management, and the Chemical Engineering Journal. The volume of publications in these venues underscores the scientist's engagement with core topics in environmental technology and waste management.

Among the recent publications by Khanal are:

"Anaerobic co-digestion: Current status and perspectives" (2021) published in Bioresource Technology
"Rethinking organic wastes bioconversion: Evaluating the potential of the black soldier fly (Hermetia illucens (L.)) (Diptera: Stratiomyidae) (BSF)" (2020) published in Waste Management
"Microbiological insights into anaerobic digestion for biogas, hydrogen or volatile fatty acids (VFAs): a review" (2022) published in Bioengineered
"Application of machine learning in anaerobic digestion: Perspectives and challenges" (2021) published in Bioresource Technology
"Synergistic association between cytochrome bd-encoded Proteiniphilum and reactive oxygen species (ROS)-scavenging methanogens in microaerobic-anaerobic digestion of lignocellulosic biomass" (2020) published in Water Research

Best Publications

Insights into the Fate and Removal of Antibiotics in Engineered Biological Treatment Systems: A Critical Review

Akashdeep Singh Oberoi;Yanyan Jia;Huiqun Zhang;Samir Kumar Khanal

957
Citations
Biological hydrogen production: effects of pH and intermediate products

Samir Kumar Khanal;Wen-Hsing Chen;Ling Li;Shihwu Sung

891
Citations
Anaerobic digestion of lignocellulosic biomass: challenges and opportunities.

Chayanon Sawatdeenarunat;K.C. Surendra;Devin Takara;Hans Oechsner

821
Citations
Environmental application of biochar: Current status and perspectives

Fernanda R. Oliveira;Anil K. Patel;Deb P. Jaisi;Sushil Adhikari

809
Citations
Anaerobic Biotechnology for Bioenergy Production: Principles and Applications

Samir Kumar Khanal

804
Citations
Biogas as a sustainable energy source for developing countries: Opportunities and challenges

K.C. Surendra;Devin Takara;Andrew G. Hashimoto;Samir Kumar Khanal

724
Citations
Fate, Transport, and Biodegradation of Natural Estrogens in the Environment and Engineered Systems

Samir Kumar Khanal;Bin Xie;Michael L. Thompson;Shihwu Sung

666
Citations
Biomass-derived syngas fermentation into biofuels: opportunities and challenges.

Pradeep Chaminda Munasinghe;Samir Kumar Khanal

665
Citations
Remote Sensing in Agriculture - Accomplishments, Limitations, and Opportunities

Unknown

513
Citations
Microbiological insights into anaerobic digestion for biogas, hydrogen or volatile fatty acids (VFAs): a review

Unknown

499
Citations
Kinetic study of biological hydrogen production by anaerobic fermentation

Wen-Hsing Chen;Shen-Yi Chen;Samir Kumar Khanal;Shihwu Sung

487
Citations
Bioconversion of organic wastes into biodiesel and animal feed via insect farming

K.C. Surendra;Robert Olivier;Jeffery K. Tomberlin;Rajesh Jha

470
Citations
Ultrasound Applications in Wastewater Sludge Pretreatment: A Review

Samir Kumar Khanal;David Grewell;Shihwu Sung;J. (Hans) van Leeuwen

436
Citations
Anaerobic co-digestion: Current status and perspectives.

Renisha Karki;Wachiranon Chuenchart;K.C. Surendra;Shilva Shrestha

421
Citations
Nitrous oxide (N2O) emission from aquaculture: a review.

Zhen Hu;Jae Woo Lee;Kartik Chandran;Sungpyo Kim

386
Citations
Rethinking organic wastes bioconversion: Evaluating the potential of the black soldier fly (Hermetia illucens (L.)) (Diptera: Stratiomyidae) (BSF).

K.C. Surendra;Jeffery K. Tomberlin;Arnold van Huis;Jonathan A. Cammack

379
Citations
Anaerobic Biotechnology for Bioenergy Production

Samir Kumar Khanal

358
Citations
Nitrogen transformations in aquaponic systems: A review

Sumeth Wongkiew;Zhen Hu;Kartik Chandran;Jae Woo Lee

347
Citations
Anaerobic digestion for bioenergy production: Global status, environmental and techno-economic implications, and government policies.

Juliana Vasco-Correa;Sami Khanal;Ashish Manandhar;Ajay Shah

335
Citations
Effect of plant species on nitrogen recovery in aquaponics

Zhen Hu;Jae Woo Lee;Kartik Chandran;Sungpyo Kim

312
Citations
Understanding the Role of Extracellular Polymeric Substances on Ciprofloxacin Adsorption in Aerobic Sludge, Anaerobic Sludge, and Sulfate-Reducing Bacteria Sludge Systems.

Huiqun Zhang;Yanyan Jia;Samir Kumar Khanal;Hui Lu

267
Citations
Biological strategies for enhanced hydrolysis of lignocellulosic biomass during anaerobic digestion: Current status and future perspectives

Shilva Shrestha;Xavier Fonoll;Samir Kumar Khanal;Lutgarde Raskin

264
Citations
Anaerobic biorefinery: Current status, challenges, and opportunities.

Chayanon Sawatdeenarunat;Duc Nguyen;K.C. Surendra;Shilva Shrestha

238
Citations

Frequent Co-Authors

Shihwu Sung University of Hawaii at Hilo

Kartik Chandran Albert Einstein College of Medicine

Guanghao Chen Hong Kong University of Science and Technology

Ashok Pandey Indian Institute of Toxicology Research

Lutgarde Raskin University of Michigan–Ann Arbor

Sunita Varjani University of Petroleum and Energy Studies

Jeffery K. Tomberlin Texas A&M University

Qi Zhou Tongji University

Edgard Gnansounou École Polytechnique Fédérale de Lausanne

Chettiyappan Visvanathan Asian Institute of Technology

External Links

Personal website of Samir Kumar Khanal Google Scholar page

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