Adsorption of heavy metal ions by sodium alginate based adsorbent-a review and new perspectives

X Gao, C Guo, J Hao, Z Zhao, H Long, M Li - International journal of …, 2020 - Elsevier
With the development of modern industry, heavy metal pollution is one of the most important
environmental issues. Due to its simplicity and low-cost, adsorption is considered as a green …

Some well-known alginate and chitosan modifications used in adsorption: a review

A Benettayeb, S Ghosh, M Usman, FZ Seihoub… - Water, 2022 - mdpi.com
Owing to environmental pollution and increasingly strict regulations, heavy metals have
attracted the attention of many researchers in various disciplines. Alginate and chitosan …

Synthesis of modified gum tragacanth/graphene oxide composite hydrogel for heavy metal ions removal and preparation of silver nanocomposite for antibacterial …

R Sahraei, M Ghaemy - Carbohydrate polymers, 2017 - Elsevier
New composite hydrogels were synthesized based on gum tragacanth (GT) carbohydrate
and graphene oxide (GO). GT was sulfonic acid-functionalized and cross-linked by using 2 …

Biosorbents for recovery of precious metals

SW Won, P Kotte, W Wei, A Lim, YS Yun - Bioresource technology, 2014 - Elsevier
Biosorption is a promising technology not only for the removal of heavy metals and dyes but
also for the recovery of precious metals (PMs) from solution phases. The biosorptive …

[HTML][HTML] Recovery of silver from waste printed circuit boards (WPCBs) through hydrometallurgical route: A review

G Mishra, R Jha, MD Rao, A Meshram… - Environmental Challenges, 2021 - Elsevier
The modernization of technologies has led to the escalation of the demand for silver in the
electrical and electronics manufacturing sectors. Conventional lean grade ores of silver are …

Thiomers of chitosan and cellulose: effective biosorbents for detection, removal and recovery of metal ions from aqueous medium

F Seidi, M Reza Saeb, Y Huang, A Akbari… - The Chemical …, 2021 - Wiley Online Library
Removal of toxic metal ions using adsorbents is a well‐known strategy for water treatment.
While chitosan and cellulose can adsorb weakly some types of metals, incorporating thiols …

Functionalization of UiO-66-NH2 with rhodanine via amidation: Towarding a robust adsorbent with dual coordination sites for selective capture of Ag (I) from …

L Ding, P Shao, Y Luo, X Yin, S Yu, L Fang… - Chemical Engineering …, 2020 - Elsevier
Selective capture and maximum recovery of Ag (I) from wastewater is of great significance
for a sustainable future. In this work, novel rhodanine (Rd)-functionalized UiO-66 adsorbents …

Silver recovery aqueous techniques from diverse sources: Hydrometallurgy in recycling

S Syed - Waste management, 2016 - Elsevier
The demand of silver is ever increasing with the advance of the industrialized world,
whereas worldwide reserves of high grade silver ores are retreating. However, there exist …

Recent advances in the synthesis, properties, and applications of modified chitosan derivatives: challenges and opportunities

T Boominathan, A Sivaramakrishna - Topics in Current Chemistry, 2021 - Springer
Chitosan is a very well-known biocompatible and biodegradable polysaccharide consisting
of β-(1–4)-linked glucosamine units, derived from the deacetylation of chitin. This unique …

Thiol-modified magnetic polypyrrole nanocomposite: An effective adsorbent for the adsorption of silver ions from aqueous solution and subsequent water disinfection …

T Mahlangu, R Das, LK Abia, M Onyango… - Chemical Engineering …, 2019 - Elsevier
A magnetic nanocomposite (NC), Fe 3 O 4@ PPy-MAA, was synthesised via in situ oxidative
polymerisation of the pyrrole monomer in a thioglycolic acid (mercaptoacetic acid) solution …