Adsorptive chito-beads for control of membrane fouling

SJ Choi, A Osman, S Kim, S Kang, DS Hwang - Carbohydrate Polymers, 2024 - Elsevier
Chitosan has excellent antimicrobial, adsorption, heavy metal removal, and adhesion
properties, making it a good substitute for microplastic-based cleaners. Here, chitosan …

A peptide of PilZ domain-containing protein controls wastewater-treatment-membrane biofouling by inducing bacterial attachment

MH Lee, SJ Choi, D Jang, S Kang, HJ Jung, DS Hwang - Water Research, 2023 - Elsevier
Membrane-based wastewater reclamation is used to mitigate water scarcity; however,
irreversible biofouling is an elusive problem that hinders the efficiency of a forward-osmosis …

[HTML][HTML] Removal of urea in ultrapure water system by urease-coated reverse osmosis membrane

SJ Choi, L Crane, S Kang, TH Boyer, F Perreault - Water Research X, 2024 - Elsevier
Among the various substances found in the feed source for the production of ultrapure water
(UPW), urea is challenging to remove because it is a small molecular weight molecule that is …

Utilization of unrejected ammonium for fouling prevention in a forward osmosis process tested with real primary wastewater from Hong Kong

PJ Choi, X Zhang, NK Khanzada, D Wu, L Li, A Jang… - Desalination, 2024 - Elsevier
Forward osmosis (FO) process is known to have high rejection towards foulants and ions.
However, the polyamide surfaces of FO membranes are usually designed to be negatively …