Reverse osmosis concentrate: physicochemical characteristics, environmental impact, and technologies

H Valdés, A Saavedra, M Flores, I Vera-Puerto, H Aviña… - Membranes, 2021 - mdpi.com
This study's aim is to generate a complete profile of reverse osmosis concentrate (ROC),
including physicochemical characteristics, environmental impact, and technologies for ROC …

[HTML][HTML] Removal of organic micropollutants in biologically active filters: A systematic quantitative review of key influencing factors

S Ajaz, AA Hassan, RN Michael, FDL Leusch - Journal of Environmental …, 2024 - Elsevier
Biofiltration utilizes natural mechanisms including biodegradation and biotransformation
along with other physical processes for the removal of organic micropollutants (OMPs) such …

Efficacy of ozone for removal of pesticides, metals and indicator virus from reverse osmosis concentrates generated during potable reuse of municipal wastewaters

JF King, A Szczuka, Z Zhang, WA Mitch - Water research, 2020 - Elsevier
This study evaluated ozone treatment to address concerns regarding the discharge to
marine waters of chemical contaminants and pathogens in reverse osmosis (RO) …

[HTML][HTML] Tradeoff between micropollutant abatement and bromate formation during ozonation of concentrates from nanofiltration and reverse osmosis processes

R Wünsch, T Hettich, M Prahtel, M Thomann… - Water research, 2022 - Elsevier
Water treatment with nanofiltration (NF) or reverse osmosis (RO) membranes results in a
purified permeate and a retentate, where solutes are concentrated and have to be properly …

Optimization of reverse osmosis operational conditions to maximize ammonia removal from the effluent of an anaerobic membrane bioreactor

C Shin, A Szczuka, R Jiang, WA Mitch… - … : Water Research & …, 2021 - pubs.rsc.org
Anaerobic membrane bioreactors can now produce effluent that meets regulatory standards
for BOD, enabling energy recovery and use of the treated effluent for irrigation. RO treatment …

Chloride enhances DNA reactivity with chlorine under conditions relevant to water treatment

A Szczuka, J Horton, KJ Evans, VT DiPietri… - Environmental …, 2022 - ACS Publications
Free available chlorine (FAC) is widely used to inactivate viruses by oxidizing viral
components, including genomes. It is commonly assumed that hypochlorous acid (HOCl) is …

Deep-bed filters as post-treatment for ozonation in tertiary municipal wastewater treatment: impact of design and operation on treatment goals

D Sauter, A Dąbrowska, R Bloch, M Stapf… - … : Water Research & …, 2021 - pubs.rsc.org
Ozonation followed by biological post-treatment is an established technology for abatement
of organic micropollutants (OMP) from municipal wastewater. Although the necessity of …

Enabling water reuse by treatment of reverse osmosis concentrate: the promise of constructed wetlands

RC Scholes, AN Stiegler, CM Anderson… - ACS Environmental …, 2021 - ACS Publications
As more cities experience water stress, the use of reverse osmosis (RO) membranes for
wastewater treatment and reuse will expand. The concentrated waste stream resulting from …

[HTML][HTML] Control of sulfides and coliphage MS2 using hydrogen peroxide and UV disinfection for non-potable reuse of pilot-scale anaerobic membrane bioreactor …

A Szczuka, JP Berglund-Brown, JA MacDonald… - Water research X, 2021 - Elsevier
Anaerobic membrane bioreactors reduce the energy cost of wastewater treatment and meet
filtration requirements for non-potable reuse. However, sulfides (H 2 S/HS−) formed during …

Degradation of high concentration starch and biocathode autotrophic denitrification using photo microbial fuel cell

Y Liu, S Pang, T Liang, R Ren, Y Lv - Chemosphere, 2021 - Elsevier
In the study, a dual-chamber photo MFC was constructed with a photosynthetic bacteria
consortium PB-Z and a heterotrophic nitrifier C16 as anode and cathode inoculant …