Biological wastewater treatment and bioreactor design: a review

CM Narayanan, V Narayan - Sustainable environment research, 2019 - Springer
Various processes that have been successfully developed for wastewater treatment
(treatment of industrial wastes/effluents) have been surveyed with special reference to …

Process modelling and optimization of a novel Semifluidized bed adsorption column operation for aqueous phase divalent heavy metal ions removal

S Biswas, S Sharma, S Mukherjee, BC Meikap… - Journal of water process …, 2020 - Elsevier
In this investigation, an attempt has been made to evaluate the performance of a novel
Semifluidized bed adsorption column for the removal of divalent heavy metal ions from …

Sustainable Wastewater Treatment Using Membrane Technology

S Karmakar, SR Barman - Membranes for Water Treatment and …, 2023 - Springer
Overexploitation and pollution of freshwater resources throughout the world have led to a
rising scarcity of potable water. As the population increases, industrial, agricultural, and …

Research of the process of biological wastewater treatment under conditions of uneven load of the treatment system

A Safonyk, O Rogov, M Trokhymchuk… - Journal of Water and …, 2024 - journals.pan.pl
The main purpose of the article is to develop a multifactorial model for rapid assessment of
the efficiency of biological wastewater treatment reactors. A mathematical model of the …

Experimental hydrodynamic and bed characteristics of co-current gas-liquid-solid three phase semifluidization with liquid as the continuous phase

S Biswas, TK Sen, BC Meikap - Particulate Science and …, 2020 - Taylor & Francis
In this study, hydrodynamic parameters such as minimum liquid phase fluidization velocity
(U lmf), semifluidization velocity (U sfm), pressure drop (Δ P), and height of top packed bed …

Semifluidized Bed Adsorption Column Studies for Simultaneous Removal of Aqueous Phase Pb2+ and Cd2+ by Composite Adsorbents: an Experimental and Mass …

S Biswas, S Sharma, H Siddiqi, BC Meikap… - Water, Air, & Soil …, 2021 - Springer
In this present work, the performance of a semifluidized bed adsorption column has been
evaluated for the removal of Pb 2+ and Cd 2+ in a semi-continuous mode. The composite …

Food waste utilization: Green technologies for manufacture of valuable products from food wastes and agricultural wastes

CM Narayanan, S Das, A Pandey - Food bioconversion, 2017 - Elsevier
This chapter describes commercially adaptable, green technologies that have been
successfully developed for the economical utilization of food wastes and agricultural wastes …

Biodiesel synthesis using immobilised lipase enzyme in semi‐fluidised bed bioreactors—bioreactor design and performance analysis

T De, J Sikder, CM Narayanan - Environmental Progress & …, 2017 - Wiley Online Library
Analysis and simulation of biodiesel synthesis from neem (Azadirachta indica) oil and
methyl acetate using immobilised lipase enzyme in semi‐fluidised bed bioreactor has been …

Performance and applications of semifluidized bioreactors–a review

CM Narayanan - International Journal of Chemical Reactor …, 2019 - degruyter.com
This paper reviews the design features and performance characteristics of semifluidized bed
bioreactors. Both biofilm reactors and immobilized enzyme bioreactors have been analysed …

Biodiesel synthesis and bioreactor design–An overview

T De, J Sikder, CM Narayanan - 2017 - nopr.niscpr.res.in
Biodiesel, an alternate, renewable, environment-friendly engine fuel, is making significant
contribution to the world energy demand, particularly in the light of the diminishing …