Significance, evolution and recent advances in adsorption technology, materials and processes for desalination, water softening and salt removal

MAA Shahmirzadi, SS Hosseini, J Luo, I Ortiz - Journal of environmental …, 2018 - Elsevier
Desalination and softening of sea, brackish, and ground water are becoming increasingly
important solutions to overcome water shortage challenges. Various technologies have …

Synthesis, characterization, kinetics, and thermodynamics of EDTA-modified chitosan-carboxymethyl cellulose as Cu (II) ion adsorbent

K Manzoor, M Ahmad, S Ahmad, S Ikram - ACS omega, 2019 - ACS Publications
A new adsorbent derived from the naturally occurring biopolymers, chitosan (CS) and
carboxymethyl cellulose (CMC) was prepared by cross-linking them using EDTA. EDTA …

Ion exchanges process for calcium, magnesium and total hardness from ground water with natural zeolite

Y Hailu, E Tilahun, A Brhane, H Resky… - Groundwater for …, 2019 - Elsevier
Presence of hardness ions in the municipal drinking water is the major health concern. So to
minimize the hardness of drinking water up to the environmental protection authority (EPA) …

Bioadsorbents for the removal of salt ions from saline water: a comprehensive review

R Dhumal, P Sadgir - Journal of Engineering and Applied Science, 2023 - Springer
Water quality can be affected due to organic or inorganic salts present in water depending
upon different regions. An increase in salts has deteriorated the quality of the water, harming …

Synthesis, characterization, and application of a novel polymeric-bentonite-magnetite composite resin for water softening

MM Alghamdi, AA El-Zahhar, AM Idris, TO Said… - Separation and …, 2019 - Elsevier
In this study, a new composite resin, based on the triple structure of bentonite clay,
magnetite, and polyacrylonitrile, was synthesized, characterized, and applied for the …

High performing CMS adsorbent for O2/N2 separation

M Andrade, SC Rodrigues, A Mendes - Microporous and Mesoporous …, 2020 - Elsevier
The synthesis of a low particle size carbon molecular sieve (CMS) adsorbent was optimized
for the O 2/N 2 separation. The best performing CMS displayed an O 2/N 2 adsorption kinetic …

Factors affecting the catalytic oxidative removal of soluble manganese in natural water by superfine powdered activated carbon and free chlorine

S Saito, Y Matsui, N Shirasaki, T Matsushita - Journal of Water Process …, 2022 - Elsevier
Catalytic oxidation of dissolved divalent Mn ion (Mn 2+) by free chlorine and superfine
powdered activated carbon (SPAC) before microfiltration has been emerged as a new …

Sorption of water alkalinity and hardness from high-strength wastewater on bifunctional activated carbon: process optimization, kinetics and equilibrium studies

MK Amosa - Environmental technology, 2016 - Taylor & Francis
Sorption optimization and mechanism of hardness and alkalinity on bifunctional empty fruit
bunch-based powdered activation carbon (PAC) were studied. The PAC possessed both …

Preparation of a new gel-type lignin-based cationic adsorption resin for efficient removal of Ca2+ from aqueous solutions

Q Tang, H Wu, M Zhou, D Yang - International Journal of Biological …, 2023 - Elsevier
Presently, most studies on modified lignin focused on the adsorption to heavy metal cations,
but rarely to Ca 2+ in hard water. Therefore, this work prepared a new gel-type lignin-based …

Aqueous hardness removal by anionic functionalized electrospun cellulose nanofibers

M Muqeet, A Khalique, UA Qureshi, RB Mahar… - Cellulose, 2018 - Springer
Herein we examine the adsorption behavior of anionic-cellulose nanofibers (a-CNFs)
having a carboxymethyl group concentration of 1.14 mmol/g of nanofibers. The effects of key …