Results 131 to 140 of about 83,849 (312)

Adsorption of uranium and thorium on new adsorbent prepared from Moroccan oil shale impregnated with phosphoric acid [PDF]

, 2010
Attention has been focused recently on the production of new adsorbents from Moroccan oil shale of Tarfaya (layer R3) by chemical activation with phosphoric acid and its application in wastewaters treatment.
El Hassane Khouya, Hassan Hannache, Khadija Legrouri, Said Fakhi   +3 more
core   +1 more source

Langmuir and Freundlich Isotherm Studies of Copper (II) Removal using Var?ous Adsorbents for Purifying Water [PDF]

, 2021
Fathi S. Awad, Hend Belkasem, Abdulla Sousi   +2 more
openalex   +1 more source

Adsorption Desulfurization of Liquid Fuel Using a Blend of Date Stones and Walnut Shells by Box–Behnken Design

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT A specific microporous KOH/activated‐biochar (K/BC) was produced from a blend of date stones (DS) and walnut shells (WS) and used in the adsorptive desulfurization (ADS) of two types of model fuel DBT/n‐hexane (S‐hex), DBT/cyclohexane (S‐cyclohex).
Ameen L. Alyawer, Marwa H. Altamer, Ahmed M. Khalaf, Amena F. Al‐Omari, Abdelrahman B. Fadhil   +4 more
wiley   +1 more source

Removal of Methylene Blue and Congo Red Dyes Using Sustainable and Eco‐Friendly Bioadsorbents: A Review

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT The continuous increasing discharge of synthetic dyes into aquatic systems seems to be an important environmental and health risk due to their high toxicity and resistance to biodegradation. Among these dyes, methylene blue (MB) and Congo red (CR) are widely used in textile and industrial applications, necessitating sustainable and efficient ...
Avanish Kumar, Ashish Kapoor, Dan Bahadur Pal   +2 more
wiley   +1 more source

Effective removal of rhodamine B dyestuff using colemanite as an adsorbent: Isotherm, kinetic, thermodynamic analysis and mechanism

Heliyon
Removal of Rhodamine B (RhB) from aqueous solutions was performed by the batch adsorption process. Colemanite was characterized as an adsorbent by Fourier Transform Infrared Spectroscopy (FTIR), X-Ray Diffraction (XRD) and X-Ray Fluorescence (XRF).
Feray Bayça
doaj   +1 more source

Magnetic Pinecone Biochar‐Activated Peroxymonosulfate for Efficient Sulfamethoxazole Degradation: Performance, Mechanism, and Toxicity Analysis

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT This study successfully prepared magnetic iron/cobalt codoped biochar catalyst (CFSBC) using a one‐step calcination method. The morphology and structure of the material were systematically characterized using SEM, XRD, FTIR, TEM, BET, Raman, VSM, and XPS techniques. The effects of key parameters such as catalyst dosage, peroxymonosulfate (PMS)
Jianhua Ni, Haoyuan Zheng, Guishang Sheng, Xi Zhang   +3 more
wiley   +1 more source

Langmuir Adsorption on Fractal Surfaces

Adsorption Science & Technology, 2015
We developed two new methods for analyzing the fractal characteristics of adsorbents. In the first method, the fractal dimension of the adsorbent is determined based on the Hurst index (H) calculated for the random process of development of the Langmuir ...
Volodymyr V. Kutarov, L. Zub Yu, Erich Robens, Shanath Amarasiri A. Jayaweera   +3 more
doaj   +1 more source

Adsorption Characteristics and Mechanisms of Dibutyl Phthalate on Nanomaterials

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Dibutyl phthalate (DBP) is a widely used plasticizer whose environmental release poses significant risks to ecosystems and human health. This study systematically investigated DBP adsorption on three common nanomaterials—titanium dioxide nanoparticles (n‐TiO2), multiwalled carbon nanotubes (MWCNTs), and carboxylated MWCNTs (MWCNTs‐COOH)—using ...
Ying Wang, Haiyue Chen, Hongbao Liang, Hongwu Liang   +3 more
wiley   +1 more source

Converting Durian Husk Into Adsorbent Beads for Methylene Blue Adsorption: Synthesis, Kinetics, Isotherms, and Reusability

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Environmental pollution from textile dyeing wastewater, particularly the discharge of harmful dyes like methylene blue (MB), poses a significant challenge. This study presents an innovative solution for dyeing wastewater treatment by utilizing durian husk, an agricultural waste, as an adsorbent for MB removal.
L. H. V. Thanh, D. V. P. An, P. H. Phuc, L. T. Phu, T. T. B. Quyen, P. D. Toan   +5 more
wiley   +1 more source

Breakdown of Langmuir Adsorption Isotherm: Adsorptions at Small Scales

, 2023
For more than a century, monolayer adsorptions in which adsorbate molecules and adsorbing sites behave ideally have been successfully described by Langmuir adsorption isotherm. For example, the amount of adsorbed material, as a function of concentration of the material which is not adsorbed, obeys Langmuir's equation.
openaire   +1 more source