Selective adsorption of arsenic over phosphate by transition metal cross-linked chitosan

LN Pincus, PV Petrović, IS Gonzalez, E Stavitski… - Chemical Engineering …, 2021 - Elsevier
The ability of transition metal chitosan complexes (TMCs) of varying valence and charge to
selectively adsorb As (III) and As (V) over their strongest adsorptive competitor, phosphate is …

Arsenic (V) adsorption-desorption in agricultural and mine soils: effects of organic matter addition and phosphate competition

E Arco-Lázaro, I Agudo, R Clemente, MP Bernal - Environmental Pollution, 2016 - Elsevier
High total and bioavailable concentrations of As in soils represent a potential risk for
groundwater contamination and entry in the food chain. The use of organic amendments in …

Catalytic fast co-pyrolysis of organosolv lignin and polypropylene over in-situ red mud and ex-situ HZSM-5 in two-step catalytic micro reactor

S Ryu, HW Lee, YM Kim, J Jae, SC Jung, JM Ha… - Applied Surface …, 2020 - Elsevier
The additional use of red mud (RM) on the catalytic fast co-pyrolysis (CFCP) of organosolv
lignin (OL) and polypropylene (PP) over ex-situ HZSM-5 was investigated using a tandem …

Multifunctional photoactive and selective adsorbent for arsenite and arsenate: Evaluation of nano titanium dioxide-enabled chitosan cross-linked with copper

LN Pincus, F Melnikov, JS Yamani… - Journal of hazardous …, 2018 - Elsevier
A novel multifunctional sorbent material of nano-titanium dioxide-enabled chitosan beads
cross-linked with copper (CuTICB) is capable of photo-oxidation of As (III) to the less-toxic …

Influence of Mo (VI) immobilization and temperature on As (V) sorption onto magnetic separable poly p-phenylenediamine-thiourea-formaldehyde polymer

KZ Elwakeel, AS Al-Bogami - Journal of hazardous materials, 2018 - Elsevier
The immobilization of Mo (VI) on magnetic poly p-phenylenediamine-thiourea-formaldehyde
composite polymer (MpPDTF)(through an intermediary adsorption step) increased sorption …

Mechanistic Insights into the Selectivity for Arsenic over Phosphate Adsorption by Fe3+-Cross-Linked Chitosan Using DFT

O Nwokonkwo, C Muhich - The Journal of Physical Chemistry B, 2024 - ACS Publications
Fe3+-cross-linked chitosan exhibits the potential for selectively adsorbing arsenic (As) over
competing species, such as phosphate, for water remediation. However, the effective …

Environmental and agronomic assessment of soil conditioners produced from bauxite residue and oil palm wastes

R da Costa Leite, AR Lucheta, RB Holanda… - Environmental …, 2023 - Elsevier
Soil conditioner is class of products used to enhance physics, physicochemical or soil
biological activities, being able to recover disturbed or nutritional unbalanced soils. The …

Assessment of red mud as sorptive landfill liner for the retention of arsenic (V)

DA Rubinos, G Spagnoli - Journal of environmental management, 2019 - Elsevier
The sorption of As V on red mud (bauxite residue), produced in the ALCOA-San Cibrao
factory (Spain), was assessed in view of its potential use as sorptive liner of landfills for the …

Acid-treated waste red mud as an efficient catalyst for catalytic fast copyrolysis of lignin and polyproylene and ozone-catalytic conversion of toluene

S Ryu, J Lee, HPR Kannapu, SH Jang, Y Kim… - Environmental …, 2020 - Elsevier
In this study, red mud (RM), a highly alkaline waste generated from alumina production
industries, was used as a catalytic material for both fast copyrolysis of organosolv lignin (OL) …

Study of arsenic adsorption in calcareous soils: Competitive effect of phosphate, citrate, oxalate, humic acid and fulvic acid

M Marzi, H Towfighi, K Shahbazi… - Journal of …, 2022 - Elsevier
Arsenic (As) bio-availability in the soil is influenced by different organic and inorganic
anions. In the present study, the effects of various competitive agents, including phosphate …