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Environmental Sciences
New Zealand
2026

D-Index & Metrics

Environmental Sciences

D-Index
74
Citations
23524
World Ranking
1326
National Ranking
3

Research.com Recognitions

  • 2026 - Research.com Environmental Sciences in New Zealand Leader Award
  • 2025 - Research.com Environmental Sciences in New Zealand Leader Award

Overview

Ajit K. Sarmah is affiliated with the University of Auckland in New Zealand and has contributed extensively to the fields of Environmental Science and Engineering. Their research spans a range of topics connected to pollution control, waste management, and environmental impact, with a notable focus on adsorption techniques and the management of pollutants in various environmental matrices.

The scientist's work prominently features investigations into:

  • Adsorption and biosorption for pollutant removal
  • Recycling and Waste Management Techniques
  • Microplastics and Plastic Pollution
  • Heavy metals in environment
  • Soil and Unsaturated Flow
  • Landfill Environmental Impact Studies
  • Pharmaceutical and Antibiotic Environmental Impacts

The main fields of study in Sarmah's research portfolio include Environmental Science, evidenced by 111 publications, and Engineering, with 68 related papers. Their subfields encompass Pollution, Industrial and Manufacturing Engineering, Water Science and Technology, Civil and Structural Engineering, and Biomedical Engineering.

Ajit K. Sarmah has a notable presence in several scientific journals and publication venues, frequently contributing to:

  • The Science of The Total Environment (21 publications)
  • Environmental Pollution (16 publications)
  • Journal of Hazardous Materials (4 publications)
  • Construction and Building Materials (3 publications)
  • Current Opinion in Environmental Science & Health (3 publications)

Collaboration is also a key aspect of Sarmah's work, with frequent co-authors including Sanandam Bordoloi, Febelyn Reguyal, Hailong Wang, Brajesh Dubey, and Jörg Rinklebe.

A selection of recent papers authored or co-authored by Sarmah includes:

  • "Multifunctional applications of biochar beyond carbon storage," 2021, International Materials Reviews
  • "Interactions between microplastics, pharmaceuticals and personal care products: Implications for vector transport," 2021, Environment International
  • "Hydrothermal carbonization of renewable waste biomass for solid biofuel production: A discussion on process mechanism, the influence of process parameters, environmental performance and fuel properties of hydrochar," 2020, Renewable and Sustainable Energy Reviews
  • "Novel Fe-Mn binary oxide-biochar as an adsorbent for removing Cd(II) from aqueous solutions," 2020, Chemical Engineering Journal
  • "Soil acidification and the liming potential of biochar," 2022, Environmental Pollution

Best Publications

  • A global perspective on the use, sales, exposure pathways, occurrence, fate and effects of veterinary antibiotics (VAs) in the environment

    Ajit K. Sarmah;Michael T. Meyer;Alistair B.A. Boxall

  • Construction and demolition waste generation and properties of recycled aggregate concrete: A global perspective

    Ali Akhtar;Ajit K. Sarmah

  • Using biochar for remediation of soils contaminated with heavy metals and organic pollutants

    Xiaokai Zhang;Hailong Wang;Lizhi He;Kouping Lu

  • Biochar application to low fertility soils: A review of current status, and future prospects

    Ali El-Naggar;Ali El-Naggar;Sang Soo Lee;Jörg Rinklebe;Jörg Rinklebe;Muhammad Farooq;Muhammad Farooq

  • Biochar Application to Soil: Agronomic and Environmental Benefits and Unintended Consequences

    R.S. Kookana;A.K. Sarmah;L. Van Zwieten;E. Krull

  • Nanopriming technology for enhancing germination and starch metabolism of aged rice seeds using phytosynthesized silver nanoparticles

    Wuttipong Mahakham;Ajit K. Sarmah;Santi Maensiri;Piyada Theerakulpisut

  • Multifunctional applications of biochar beyond carbon storage

    Nanthi Bolan;Nanthi Bolan;Son A. Hoang;Jingzi Beiyuan;Souradeep Gupta

  • Interactions between microplastics, pharmaceuticals and personal care products: Implications for vector transport.

    Thilakshani Atugoda;Meththika Vithanage;Hasintha Wijesekara;Nanthi Bolan

  • Hydrothermal carbonization of renewable waste biomass for solid biofuel production: A discussion on process mechanism, the influence of process parameters, environmental performance and fuel properties of hydrochar

    Hari Bhakta Sharma;Ajit K. Sarmah;Brajesh Dubey

  • Lignocellulosic biorefinery as a model for sustainable development of biofuels and value added products

    Goldy De Bhowmick;Ajit K. Sarmah;Ramkrishna Sen

  • Sorption and dissipation of testosterone, estrogens, and their primary transformation products in soils and sediment.

    Linda S. Lee;Troy J. Strock;Ajit K. Sarmah;P. Suresh C. Rao

  • Novel biochar-concrete composites: Manufacturing, characterization and evaluation of the mechanical properties.

    Ali Akhtar;Ajit K. Sarmah

  • Hydrolysis of sulfonylurea herbicides in soils and aqueous solutions: a review.

    Unknown

  • Novel Fe-Mn binary oxide-biochar as an adsorbent for removing Cd(II) from aqueous solutions

    Guangcai Yin;Xiaowang Song;Lin Tao;Binoy Sarkar

  • Environmentally benign synthesis of phytochemicals-capped gold nanoparticles as nanopriming agent for promoting maize seed germination.

    Wuttipong Mahakham;Piyada Theerakulpisut;Santi Maensiri;Santi Phumying

  • Synthesis of magnetic biochar from pine sawdust via oxidative hydrolysis of FeCl2 for the removal sulfamethoxazole from aqueous solution.

    Febelyn Reguyal;Ajit K. Sarmah;Wei Gao

  • Sustainable in situ remediation of recalcitrant organic pollutants in groundwater with controlled release materials: A review

    David O'Connor;Deyi Hou;Yong Sik Ok;Yinan Song

  • Soil acidification and the liming potential of biochar

    Unknown

  • Adsorption mechanism of hexavalent chromium onto layered double hydroxides-based adsorbents: A systematic in-depth review.

    Hai Nguyen Tran;Dong Thanh Nguyen;Giang Truong Le;Fatma Tomul

  • Recognizing the challenges of anaerobic digestion: Critical steps toward improving biogas generation

    M Rasapoor;Brent Young;R Brar;Ajit Sarmah

  • A novel approach in organic waste utilization through biochar addition in wood/polypropylene composites

    Oisik Das;Ajit K. Sarmah;Debes Bhattacharyya

  • A survey of endocrine disrupting chemicals (EDCs) in municipal sewage and animal waste effluents in the Waikato region of New Zealand.

    A.K. Sarmah;G.L. Northcott;Frederic Leusch;L.A. Tremblay

  • A feasibility study of agricultural and sewage biomass as biochar, bioenergy and biocomposite feedstock: Production, characterization and potential applications

    Prakash Srinivasan;Ajit K. Sarmah;Ron Smernik;Oisik Das

Frequent Co-Authors

Debes Bhattacharyya
Debes Bhattacharyya University of Auckland
Hailong Wang
Hailong Wang Foshan University
Yong Sik Ok
Yong Sik Ok Korea University
Jörg Rinklebe
Jörg Rinklebe University of Wuppertal
Brajesh Dubey
Brajesh Dubey Indian Institute of Technology Kharagpur
Rai S. Kookana
Rai S. Kookana Commonwealth Scientific and Industrial Research Organisation
Nanthi Bolan
Nanthi Bolan University of Western Australia
Ramkrishna Sen
Ramkrishna Sen Indian Institute of Technology Kharagpur
Murray E. Close
Murray E. Close Institute of Environmental Science and Research
Younes Ghasemi
Younes Ghasemi Shiraz University of Medical Sciences

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