Sodium alginate-polyethyleneimine-Moringa oleifera (leaves and seeds) beads for the adsorption of uranium: isotherm and kinetic studies

被引：0

作者：

Brahim, Mustapha Hadj ^{[1
,2
]}

Benettayeb, Asmaa ^{[1
,2
]}

Haddou, Boumediene ^{[2
]}

Belkacem, Mohamed ^{[1
,2
]}

Aouedj, Nor El Houda ^{[2
]}

Adda, Rachida Ould ^{[2
]}

Moudir, Dalila ^{[3
]}

Hosseini-Bandegharaei, Ahmad ^{[4
,5
,6
,7
]}

机构：

[1] Univ Sci & Technol Mohamed Boudiaf, Dept Genie Chim, Lab Genie Chim & Catalyse Heterogene, USTO MB, BP 1505 EL MNAOUAR, Oran 31000, Algeria

[2] Univ Sci & Technol Oran Mohamed Boudiaf USTO MB, Lab Physicochim Mat Catalyse & Environm LPCM CE, Lab LMST, BP 1505, Oran 31000, Algeria

[3] Nucl Res Ctr Algiers, 2 Bd Frantz Fanon,POB 399, Algiers, Algeria

[4] Chitkara Univ, Ctr Res Impact & Outcome, Rajpura 140417, Punjab, India

[5] SIMATS, Saveetha Sch Engn, Dept Sustainable Engn, Chennai 602105, Tamil Nadu, India

[6] Chandigarh Univ, Univ Ctr Res & Dev, Mohali 140413, Punjab, India

[7] Semnan Univ, Fac Chem, Semnan, Iran

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2025年

关键词：

Adsorption; Uranium; New bioadsorbent-based Moringa oleifera; Alginate-polyethyleneimine-Moringa oleifera seed; Isotherm and kinetic; Sustainability; AQUEOUS-SOLUTION; BIOSORPTION CHARACTERISTICS; REMOVAL; BIOMASS; EQUILIBRIUM; VI; COMPOSITE; ADSORBENT; RECOVERY; SORPTION;

D O I：

10.1007/s10967-025-10026-0

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This study investigated the sustainability and value addition of bio-wastes by developing a cost-effective method for removing U(VI) from synthetic aqueous solutions. The method utilized two types of hydrogel composite beads made from calcium alginate, combined with Moringa oleifera leaves and seeds. Batch experiments were conducted to examine the biosorption of U(VI) ions using sodium alginate-polyethyleneimine-Moringa oleifera seed (SA-PEI-MS) and leaf (SA-PEI-ML) beads. The beads were thoroughly characterized using interesting techniques. Key parameters affecting uranium sorption were explored and optimized. The data was best described by the Langmuir isotherm model, which indicated maximum adsorption capacities of 147.05 mg/g for the SA-PEI-MS beads and 131.87 mg/g for the SA-PEI-ML beads.

引用

页数：17

共 48 条

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