Response surface optimization and modeling in heavy metal removal from wastewater—a critical review

J Bayuo, M Rwiza, K Mtei - Environmental Monitoring and Assessment, 2022 - Springer
The existence of hazardous heavy metals in aquatic settings causes health risks to humans,
prompting researchers to devise effective methods for removing these pollutants from …

Performance of natural coagulants obtained from agro-industrial wastes in dairy wastewater treatment using dissolved air flotation

GL Muniz, AC Borges, TCF da Silva - Journal of Water Process …, 2020 - Elsevier
Agro-industrial wastes can become organic aids for coagulation, being an alternative to
metallic coagulants. In this study ripe okra (Abelmoschus esculentus) and passion fruit …

Optimization of sulfate removal by sulfate reducing bacteria using response surface methodology and heavy metal removal in a sulfidogenic UASB reactor

T Najib, M Solgi, A Farazmand, SM Heydarian… - Journal of …, 2017 - Elsevier
Biological treatment using sulfate reducing bacteria (SRB) has been found out to have the
potential for treatment of wastewaters containing sulfate and heavy metals. In the present …

Improving the performance of Cr (VI) removal by electrochemical process using microbial cellulose/magnetic nanoparticles electrode

NS Marghaki, ZA Jonoush, A Rezaee - Journal of Cleaner Production, 2020 - Elsevier
This study aimed to improve the performance of the electrochemical (EC) process for
hexavalent chromium [Cr (VI)] removal using a metallic polymer anode. In fact, this anode …

Avocado seed as a natural coagulant for removing dyes and turbidity from wastewater: Behnken Box design, sustainable reuse, and economic evaluation

A Zourif, A Benbiyi, S Kouniba… - Sustainable Chemistry and …, 2024 - Elsevier
In wastewater treatment, conventional coagulants are becoming very complex with
environmental concerns. For this purpose, using an alternative natural coagulant such as …

Nano-Bio sequential removal of hexavalent chromium using polymer-nZVI composite film and sulfate reducing bacteria under anaerobic condition

KVG Ravikumar, S Argulwar, SV Sudakaran… - … technology & innovation, 2018 - Elsevier
A sequential method for removing Cr (VI) was studied using polymer-nano zero valent iron
(nZVI)-based composite film and live biomass of sulfate reducing bacteria (SRB) under …

Optimization of Cr6+ Removal by Bacillus subtilis Strain SZMC 6179J from Chromium-Containing Soil

J Liu, J Xue, X Wei, H Su, R Xu - Indian journal of microbiology, 2020 - Springer
The removal rate of Cr 6+ has been explored by the optimized removal conditions. Five Cr-
resistant strains were isolated from chromium-contained soil. The most efficient strain S1 …

Effects of metals on activity and community of sulfate-reducing bacterial enrichments and the discovery of a new heavy metal-resistant SRB from Santos Port sediment …

BDB Zampieri, EW Nogueira, AJFC de Oliveira… - … Science and Pollution …, 2022 - Springer
Sulfate-reducing bacteria (SRB) can be used to remove metals from wastewater, sewage,
and contaminated areas. However, metals can be toxic to this group of bacteria. Sediments …

[HTML][HTML] Green coagulants recovering Scenedesmus obliquus: An optimization study

A Dias, AC Borges, AP Rosa, MA Martins - Chemosphere, 2021 - Elsevier
The recovery of microalgae by means of coagulation-flocculation is efficient, simple and low
operating costs. The addition of coagulants makes it possible to destabilize the microalgae …

Biological treatment of wastewater with high concentrations of zinc and sulfate ions from zinc pyrithione synthesis

Z Peng, H He, C Yang, G Zeng, WEN Shan… - … of Nonferrous Metals …, 2017 - Elsevier
An enriched and domesticated bacteria consortium of sulfate-reducing bacteria (SRB) was
used to treat wastewater from zinc pyrithione (ZPT) production, and the effects of different …