Flocculation performance and evaluation of a sulfur-containing tannin flocculant for Cu2+ removal

X Sun, S Li, Y Xiong, Y You - Separation and Purification Technology, 2022 - Elsevier
To introduce sulfur compounds into tannin-based flocculants, thiosemicarbazide (TC) was
selected as a raw material to react with black wattle bark tannin and formaldehyde through …

Synthesis of a novel flocculant on the basis of crosslinked Konjac glucomannan-graft-polyacrylamide-co-sodium xanthate and its application in removal of Cu2+ ion

J Duan, Q Lu, R Chen, Y Duan, L Wang, L Gao… - Carbohydrate …, 2010 - Elsevier
A novel functionalized polymeric flocculant on the basis of Konjac-graft-poly (acrylamide)-co-
sodium xanthate was synthesized via copolymerization reaction of crosslinked Konjac …

Flocculation of heavy metal by functionalized starch-based bioflocculants: Characterization and process evaluation

X Xiao, Y Sun, J Liu, H Zheng - Separation and Purification Technology, 2021 - Elsevier
Two bioflocculants of starch-graft-P [acrylamide-acrylic acid](SAA) and starch-graft-P
[acrylamide-2-acacrylamido-2-methyl-1-propanesulfonic acid](SAS) are designed for the …

Treatment of wastewater containing Cu2+ using a novel macromolecular heavy metal chelating flocculant xanthated chitosan

K Yang, G Wang, X Chen, X Wang, F Liu - Colloids and Surfaces A …, 2018 - Elsevier
A novel macromolecular heavy metal chelating flocculant, xanthated chitosan (XCTS), was
prepared by reacting chitosan with benzaldehyde, NaOH and CS 2. In a series of …

Performance evaluation of chitosan-based flocculants with good pH resistance and high heavy metals removal capacity

Y Sun, KJ Shah, W Sun, H Zheng - Separation and Purification Technology, 2019 - Elsevier
Dual-function chitosan-based flocculants with chelation and flocculation capacity,
carboxylated chitosan-graft-polyacrylamide (PCA), carboxylated chitosan-graft …

Synthesis of a novel amphoteric chelating polymer flocculant and its performance in Cu2+ removal

L Liu, J Wu, Y Ling, X Li, R Zeng - Journal of applied polymer …, 2013 - Wiley Online Library
A novel amphoteric chelating polymer flocculant (ACPF) was synthesized. The synthesis
involved the copolymerization of dimethyldiallylammonium chloride and acrylamide to …

Water soluble EDTA-linked chitosan as a zwitterionic flocculant for pH sensitive removal of Cu (II) ion

S Fujita, N Sakairi - RSC advances, 2016 - pubs.rsc.org
A linear and non-crosslinked polymer, EDTA-linked chitosan (ED-ch), was synthesized by N-
acylation of chitosan with EDTA (ethylenediaminetetraacetic acid) monoanhydride under …

Synergistic removal of copper (II) and tetracycline from water using an environmentally friendly chitosan-based flocculant

T Zhang, M Wang, W Yang, Z Yang… - Industrial & …, 2014 - ACS Publications
In the current work, an environmentally friendly chitosan-based flocculant (carboxyethyl
chitosan, denoted as CEC) was prepared to flocculate copper (II) and tetracycline (TC) …

Removal of multiple heavy metal ions using a macromolecule chelating flocculant xanthated chitosan

K Yang, G Wang, F Liu, X Wang… - Water Science and …, 2019 - iwaponline.com
In this paper, the removal performance and mechanism of xanthated chitosan (XCTS)
towards heavy metal ions are investigated. XCTS possesses both strong chelating abilities …

Synthesis of a chitosan-based flocculant CS-gP (AM-IA-AATPAC) and evaluation of its performance on Ni2+ removal: Role of chelating-coordination and flocculation

L Feng, K Zhong, W Zhou, J Liu, B Liu, W Wang… - Journal of …, 2023 - Elsevier
Ni 2+ rich wastewater has caused critical water contamination, a growing issue of
environmental pollution as well as serious threat to aquatic organisms and human health. It …