Biochar from woody biomass for removing metal contaminants and carbon sequestration

TM Abdel-Fattah, ME Mahmoud, SB Ahmed… - Journal of Industrial and …, 2015 - Elsevier
Biochar generated from pinewood via slow pyrolysis was studied for its viability as a soil
amendment as well as for its absorptive capacity for Mg, Ca, Cr, and Pb in solution. Cation …

Synthesis of photoactivated highly fluorescent Mn2+-doped ZnSe quantum dots as effective lead sensor in drinking water

V Sharma, MS Mehata - Materials Research Bulletin, 2021 - Elsevier
In this work, manganese doped zinc selenide (Mn@ ZnSe) quantum dots (QDs) were
prepared via a direct aqueous route. The X-ray diffraction pattern reveals the crystalline …

High performance nano-zirconium silicate adsorbent for efficient removal of copper (II), cadmium (II) and lead (II)

ME Mahmoud, GM Nabil, SME Mahmoud - Journal of Environmental …, 2015 - Elsevier
In this research paper, zirconium silicate material, in the form of nanoparticles (ZrSiO 4-NPs),
was explored as a high performance, novel and efficient adsorbent for extraction and …

Alumina physically loaded by thiosemicarbazide for selective preconcentration of mercury (II) ion from natural water samples

SA Ahmed - Journal of Hazardous Materials, 2008 - Elsevier
The multifunctional ligand, thiosemicarbazide, was physically loaded on neutral alumina.
The produced alumina-modified solid phase (SP) extractor named, alumina-modified …

[HTML][HTML] Reactivity of sugar cane bagasse as a natural solid phase extractor for selective removal of Fe (III) and heavy-metal ions from natural water samples

EM Soliman, SA Ahmed, AA Fadl - Arabian Journal of Chemistry, 2011 - Elsevier
This work introduces the feasibility of using sugar cane bagasse (SCB)–a sugar cane
industry waste–as a selective solid phase extractor for Fe (III). The order of metal uptake …

New solid phase extractors for selective separation and preconcentration of mercury (II) based on silica gel immobilized aliphatic amines 2-thiophenecarboxaldehyde …

EM Soliman, MB Saleh, SA Ahmed - Analytica Chimica Acta, 2004 - Elsevier
2-Thiophenecarboxaldhyde is chemically bonded to silica gel surface immobilized
monoamine, ethylenediamine and diethylenetriamine by a simple Schiff's base reaction to …

[HTML][HTML] Removal of cadmium (II) and lead (II) ions from model aqueous solutions using sol–gel-derived inorganic oxide adsorbent

F Ciesielczyk, P Bartczak, T Jesionowski - Adsorption, 2016 - Springer
A study was conducted concerning the preparation and application of a novel synthetic
oxide adsorbent of MgO-SiO 2 type. The material was prepared via a sol–gel route, utilizing …

Alumina modified by dimethyl sulfoxide as a new selective solid phase extractor for separation and preconcentration of inorganic mercury (II)

EM Soliman, MB Saleh, SA Ahmed - Talanta, 2006 - Elsevier
Dimethyl sulfoxide (DMSO) was simply immobilized to neutral alumina via quite strong
hydrogen bonding between sulfoxide oxygen and surface alumina hydroxo groups. The …

The use of functionalized aerogels as a low level chromium scavenger

Z Ali, A Khan, R Ahmad - Microporous and Mesoporous Materials, 2015 - Elsevier
This paper communicates synthesis of aminopropyl functionalized aerogel by grafting 3-
aminopropyltrimethoxy silane (APTMS) onto the surface of nano sol–gel silica by post …

Silica gel containing sulfur, nitrogen and oxygen as adsorbent centers on surface for removing copper from aqueous/ethanolic solutions

RSA Machado Jr, MG da Fonseca, LNH Arakaki… - Talanta, 2004 - Elsevier
Silica gel was modified firstly with aminepropyltrimethoxisilane obtaining the matrix named
as SILNH2. The SILNH2 silica reacted subsequently with thioglycolic acid Sil-Ntga. The …