| Title | Harnessing carboxymethyl cellulose and Moringa oleifera seed husks for sustainable treatment of a multi-metal real waste |
|---|---|
| ID_Doc | 6177 |
| Authors | Callisaya, MP; Fuentes, DP; Braga, VHA; Finzi-Quintao, CM; Oliveira, P; Petri, DFS |
| Title | Harnessing carboxymethyl cellulose and Moringa oleifera seed husks for sustainable treatment of a multi-metal real waste |
| Year | 2024 |
| Published | |
| Abstract | This study aimed to evaluate effective treatment strategies for laboratory waste with an initial pH of 1.0, containing Cr6+, Mn2+, Co2+, Fe3+, Ni2+, Cu2+, Zn2+, Sr2+, Hg2+, and Pb2+ ions, focusing on flocculation, precipitation, and adsorption techniques. The study utilized microparticles derived from Moringa oleifera seed husks (MS), cryogels of carboxymethyl cellulose (CMC), and hybrid cryogels combining CMC and MS (CMC-MS25 and CMC-MS50) as adsorbents. The optimal strategy involved raising the pH to 7 using NH4OH, leading to the partial precipitation of metal ions. The remaining supernatant was then passed through columns packed with the aforementioned adsorbents. Utilizing CMC-MS25 and CMC-MS50 adsorbents resulted in the simultaneous removal of over 90% of the targeted metal ions. The adsorption of Cu2+ ions onto the adsorbents was facilitated by electrostatic interactions between Cu2+ ions and carboxylate groups, as well as Cu-OH chelation, as confirmed by X-ray photoelectron spectroscopy. Under optimized conditions, the fixed -bed column adsorption capacity was determined as 88.2 mg g-1. The CMC-MS25 adsorbents proved reusable at least 5 times, with the recovered Cu2+ ions potentially suitable for other processes. The scalability and feasibility of producing these novel adsorbents suggest a promising, cost-effective solution for treating complex matrices and recovering high -value metals, as copper. |
Similar Articles
| ID | Score | Article |
|---|---|---|
10883
|
Yirga, A; Yadav, OP; Dey, T Waste Orange Peel Adsorbent for Heavy Metal Removal from Water(2022)Pollution, 8, 2 | |
| 10793
|
He, YH; Dietrich, AM; Jin, Q; Lin, TT; Yu, DJ; Huang, HB Cellulose adsorbent produced from the processing waste of brewer's spent grain for efficient removal of Mn and Pb from contaminated water(2022) | |
| 12926
|
Wang, J; Yang, QF; Yang, WX; Pei, HN; Zhang, L; Zhang, TS; Hu, N; Suo, YR; Wang, JL Adsorptive catalysis of hierarchical porous heteroatom-doped biomass: from recovered heavy metal to efficient pollutant decontamination(2018)Journal Of Materials Chemistry A, 6.0, 34 | |
| 14850
|
Valdés-Rodríguez, EM; Mendoza-Castillo, D; Reynel-Avila, HE; Aguayo-Villarreal, IA; Bonilla-Petriciolet, A Activated carbon manufacturing via alternative Mexican lignocellulosic biomass and their application in water treatment: Preparation conditions, surface chemistry analysis and heavy metal adsorption properties(2022) | |
| 17269
|
Kabir, MM; Nahar, N; Akter, MM; Alam, F; Gilroyed, BH; Misu, MM; Didar-ul-Alam, M; Hakim, M; Tijing, L; Shon, HK Agro-waste-based functionalized and economic adsorbents for the effective treatment of toxic contaminants from tannery effluent(2023) |