Selenium: environmental significance, pollution, and biological treatment technologies

LC Tan, YV Nancharaiah… - … treatment of mine …, 2018 - taylorfrancis.com
10Selenium is an essential trace element needed for all living organisms. Despite its
essentiality, selenium is a potential toxic element to natural ecosystems due to its …

Incorporation of the sulfur cycle in sustainable nitrogen removal systems-A review

D Grubba, Z Yin, J Majtacz, HE Al-Hazmi… - Journal of Cleaner …, 2022 - Elsevier
In wastewater treatment systems, sulfur (S) removal processes are generally based on
heterotrophic sulfate (SO 4 2−) reduction by sulfate reducing bacteria and S-dependent …

Selenium toxicity in plants and environment: biogeochemistry and remediation possibilities

M Hasanuzzaman, MHMB Bhuyan, A Raza… - Plants, 2020 - mdpi.com
Selenium (Se) is a widely distributed trace element with dual (beneficial or toxic) effects for
humans, animals, and plants. The availability of Se in the soil is reliant on the structure of the …

A comprehensive review on environmental transformation of selenium: recent advances and research perspectives

H Ullah, G Liu, B Yousaf, MU Ali, S Irshad… - … geochemistry and health, 2019 - Springer
Selenium (Se) is an important micronutrient and essential trace element for both humans
and animals, which exist in the environment ubiquitously. Selenium deficiency is an …

[HTML][HTML] Review on environmental selenium: Occurrence, public health implications and biological treatment strategies

AA Werkneh, GG Gebretsadik, SB Gebru - Environmental Challenges, 2023 - Elsevier
Selenium is an essential toxin that functions as essential micronutrient for maintaining good
health with a small safety margin, but is toxic at slightly higher concentrations or doses. It is …

Metal chalcogenide quantum dots: biotechnological synthesis and applications

J Mal, YV Nancharaiah, ED Van Hullebusch… - RSC advances, 2016 - pubs.rsc.org
Metal chalcogenide (metal sulfide, selenide and telluride) quantum dots (QDs) have
attracted considerable attention due to their quantum confinement and size-dependent …

Biological removal of selenate and selenite from wastewater: options for selenium recovery as nanoparticles

A Sinharoy, PNL Lens - Current Pollution Reports, 2020 - Springer
Abstract Purpose of Review Different selenium species released into the environment by
anthropogenic activities pollute surface and ground water resources and can cause severe …

Simultaneous removal of lead and selenium through biomineralization as lead selenide by anaerobic granular sludge

J Mal, A Sinharoy, PNL Lens - Journal of Hazardous Materials, 2021 - Elsevier
This study demonstrated the simultaneous removal of lead (Pb) and selenium (Se) as lead
selenide biomineralization using anaerobic granular sludge. The microbial community of the …

Selenite reduction and ammoniacal nitrogen removal in an aerobic granular sludge sequencing batch reactor

YV Nancharaiah, M Sarvajith, PNL Lens - Water research, 2018 - Elsevier
Simultaneous removal of selenite and ammonium by aerobic granular sludge was
investigated to develop an improved biological treatment process for selenium rich …

Predictive modelling and optimization of an airlift bioreactor for selenite removal from wastewater using artificial neural networks and particle swarm optimization

BB Negi, M Aliveli, SK Behera, R Das, A Sinharoy… - Environmental …, 2023 - Elsevier
Abstract Selenite (Se 4+) is the most toxic of all the oxyanion forms of selenium. In this study,
a feed forward back propagation (BP) based artificial neural network (ANN) model was …