Results 1 to 10 of about 35,116 (162)

Biosorption of cadmium and lead from aqueous solution by fresh water alga Anabaena sphaerica biomass

open access: yesJournal of Advanced Research, 2013
The present work represents the biosorption of Cd(II) and Pb(II) from aqueous solution onto the biomass of the blue green alga Anabaena sphaerica as a function of pH, biosorbent dosage, contact time, and initial metal ion concentrations.
Nabila S Ammar   +2 more
exaly   +3 more sources

Adsorption of Hexavalent Chromium Ions Using Pine Sawdust Cellulose Fibres

open access: yesApplied Sciences, 2023
In developing countries, agriculture generates not only income but also waste. Therefore, it is essential to recycle this waste for different purposes. This study explored an affordable way to modify pine sawdust to treat chromium-containing wastewater ...
Nozipho Nompumelelo Mzinyane   +2 more
doaj   +1 more source

Optimization studies of BTX removal by magnetite coated oleic acid obtained from microwave-assisted synthesis using response surface methodology

open access: yesScientific Reports, 2022
Benzene, toluene and xylene (BTX) are volatile organic compounds released into the environment, that require urgent removal to avoid adverse health effects.
Makhosazana Masuku   +3 more
doaj   +1 more source

Batch studies of hexavalent chromium biosorption from mining wastewater using Aspergillus niger

open access: yesResults in Chemistry, 2022
The effects of selected process parameters in the biosorption of chromium (VI) ions for wastewater treatment using Aspergillus niger were studied whilst keeping temperature and pH constant.
Onyekachukwu Love Ume   +5 more
doaj   +1 more source

Adsorption of heavy metals from acid mine drainage using poly (hydroxamic acid) ligand

open access: yesSouth African Journal of Chemical Engineering, 2022
Acid mine drainage (AMD) causes severe environmental concerns worldwide due to its high acidity, toxic metals and sulphate contents. Conventional treatment methods may not be effective for AMD.
Nozipho Nompumelelo Mzinyane
doaj   +1 more source

A review on performance of waste materials in self compacting concrete (scc) [PDF]

open access: yes, 2016
Self-compacting concrete (SCC) was first developed in late 80’s in Japan. SCC is well known for its self-consolidation and able to occupy spaces in the formwork without any vibration and become new interesting topic in Construction and Building Materials
Ismail, Isham   +2 more
core   +2 more sources

Intraparticle diffusion of Cr(VI) through biomass and magnetite coated biomass: A comparative kinetic and diffusion study

open access: yesSouth African Journal of Chemical Engineering, 2020
In this study, NaOH treated pine (NTP) and magnetite-pine composite (NTP-NC) were prepared and applied for Cr(VI) adsorption at varying temperatures and the impact of the inorganic-organic nanocomposite combination on the kinetics, diffusion, equilibrium
Agnes Pholosi   +2 more
doaj   +1 more source

Biosorption of metribuzin pesticide by Cucumber (Cucumis sativus) peels-zinc oxide nanoparticles composite

open access: yesScientific Reports, 2022
Herein, a biosorbent was prepared from cucumber peels modified with ZnO nanoparticles (CPZiONp-composite) for the biosorption of metribuzin. Characterization of the composite was accomplished using FTIR, SEM, EDX, surface area pore size analyzer and pH ...
Atta ul Haq   +5 more
doaj   +1 more source

Obtaining a bioadsorbent from orange peel suitable for batch and continous treatment [PDF]

open access: yes, 2020
One form of chemical contamination involves the contribution of heavy metals to the ecosystem mainly from industrial spills and mining operations. The most toxic heavy metals are cadmium, copper, chromium, mercury, nickel, lead and zinc.
García Raurich, Josep   +2 more
core   +3 more sources

Kinetic and isotherm studies for nickel ions’ biosorption by jute fabrics [PDF]

open access: yesJournal of the Serbian Chemical Society, 2021
Raw jute fabric was chemically modified with 1 % NaOH for 30 min, 17.5 % NaOH for 5 min or with 0.7 % NaClO2 for 30 and 60 min to study the influence of changes in the chemical composition of the fabrics and quantity of carboxyl groups on the biosorption
Ivanovska Aleksandra   +3 more
doaj   +1 more source

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