Copper Sorption on a Straw Lignin: Experiments and EPR Characterization

Merdy, Patricia; Guillon, Emmanuel; Aplincourt, Michel; Dumonceau, Jean‐Marc; Vezin, Hervé

doi:10.1006/jcis.2001.7972

Cited by 56 publications

(41 citation statements)

References 20 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…XPS is an inherent surface sensitive technique that has been applied in various studies for qualitative and quantitative characterization of sorption [24][25][26][27][28][29][30]. In this work, the XPS measurements were used to elucidate the elemental contents of the natural and Sr-sorbed mineral samples.…”

Section: Characterization Of the Sr 2+ -Sorbed Mineralsmentioning

confidence: 99%

Characterization of Sr²⁺uptake on natural minerals of kaolinite and magnesite using XRPD, SEM/EDS, XPS, and DRIFT

Shahwan¹,

Erten²

2005

Radiochimica Acta

View full text Add to dashboard Cite

Sr2+ / Kaolinite / Magnesite Summary. The sorption behavior of Sr 2+ ions on natural minerals rich in kaolinite and magnesite was studied using SEM/EDS, XPS, XRPD, AAS/AES and DRIFT techniques. Quantitative analysis of the XPS data shows that magnesite is more effective in Sr 2+ uptake than kaolinite. DRIFT spectra and XRPD patterns indicate that the structures of both minerals were not affected upon Sr 2+ sorption. Intercalation of DMSO in kaolinite lamellae aiming at increasing the interlayer space did not significantly enhance the sorption capacity of the clay towards Sr 2+ probably due to the lack of a negative charge on the accessible sites. EDS mapping indicated that while the sorbed Sr is equally distributed on surface of natural kaolinite, it was associated -to a larger extent -with the regions richer in Mg in the case of natural magnesite. Comparing the uptake mechanisms of natural magnesite with that of pure MgCO 3 , it was seen that while natural magnesite sorbed Sr 2+ mainly through an ion exchange type mechanism, the formation of SrCO 3 coprecipitate was detected on the surface of the MgCO 3 at higher loadings.

show abstract

Section: Characterization Of the Sr 2+ -Sorbed Mineralsmentioning

confidence: 99%

Characterization of Sr²⁺uptake on natural minerals of kaolinite and magnesite using XRPD, SEM/EDS, XPS, and DRIFT

Shahwan¹,

Erten²

2005

Radiochimica Acta

View full text Add to dashboard Cite

show abstract

“…However, the adsorption of Cu (II) was found to increase with concentration and pH and decrease with temperature. Cu (II) was studied by Sciban and Klasnja [109] and Merdy et al [110].…”

Section: Bio-waste Materials As Adsorbent Of Contaminate From Waste Wmentioning

confidence: 99%

Applications of Bio-waste Materials as Green Synthesis of Nanoparticles and Water Purification

Ali¹

2017

View full text Add to dashboard Cite

Towards the future of green, sustainable and renewable products the suggestion of using the agriculture biomass in the coming decades got increased. Biomass material is one of the important sources of alternative material for the production of biocomposite products. An increasing global awareness about environmental issues is acting as the driving force behind the utilization of biomass material as valuable products. Bio-waste materials (agricultural waste) have been recognized as an ecological burden for the society they stimulated new gateways for the production of renewable, low cost and sustainable adsorbents for water treatment applications. In the area of water purification, nanotechnology offers the possibility of an efficient removal of pollutants and bacteria. Adsorption has proved that it is the best process of water treatment technologies, because of its significant advantages. Different modification methods of waste-based adsorbents, have also been presented to highlight and discuss the key advancements on the preparation of novel adsorbents using agricultural "agro-waste". Adsorption mechanisms responsible for pollutants removal by waste-based adsorbents have also been discussed. It also focuses on the computational aspects of binding of biomolecules to nanoparticles (NPs) and some of the applications of the biosynthesized NPs as water purification. The nature acts like a large ''bio-laboratory" comprising of plants, algae, fungi, yeast, etc. which are composed of biomolecules. These naturally occurring biomolecules have been identified to play an active role in the formation of nanoparticles with distinct shapes and sizes thereby acting as a driving force for the designing of greener, safe and environmentally benign protocols for the synthesis of NPs. The biosynthesis of NPs using waste materials will help researchers not only to design safer nanomaterials but also to promote the understanding of health and safety considerations of NPs. Useful materials can be produced easily even at reasonable scale because the biomaterial based routes eliminate the need to use toxic chemicals. The aim of this review is to summarize the adsorption capacities for organic and inorganic pollutants by different bio-waste-based adsorbents.

show abstract

“…In earlier published research, lignin has been shown to be a excellent cation adsorbent to remove various heavy metals, such as Cu(II) (Merdy et al 2002;Acemioğlu et al 2003;Sciban and Klasnja 2004) and Cd(II) (Mohan et al 2006;Basso et al 2004), as well as dyes, bile acids, cholesterol, surfactants, pesticides, and phenols (Dizhbite et al 1999;Ludvík and Zuman 2000;Allen et al 2005;Van Beinum et al 2006). However, there are very limited literature reports exploring lignin as matrix for adsorbing anions.…”

Section: Introductionmentioning

confidence: 99%

Preparation of Lignin-Based Anion Exchangers and their Utilization for Nitrate Removal

Wang

Liu

et al. 2013

BioResources

View full text Add to dashboard Cite

Lignin-based anion exchangers (L-AE) were prepared by reacting lignin with epichlorohydrin and triethylamine in the presence of N,Ndimethylformamide and a catalyst. A multi-factor and multi-level orthogonal design of experiment was carried out in order to obtain the optimal conditions for the preparation of lignin-based anion exchangers. The optimized parameters including the dosages of catalysts, the amounts of triethylamine, graft reaction time, and the graft reaction temperature were defined. Data of nitrate removal and yield were used as performance indicators of the products prepared. The results indicated that the reaction temperature was the primary factor. The optimal synthesis reaction parameters were lignin:pyridine:triethylamine = 2 g:3 mL:12 mL. The optimal experimental temperature was 70 °C, and the reaction time was 7 h. The yield was 188.6% and the nitrate removal was 91.2%. Under some reaction conditions, the yields were found greater than 100%; this was due to the grafted mass from epoxidation with epichlorohydrin and quaternization (through the reaction of epoxide with triethylamine).

show abstract

Copper Sorption on a Straw Lignin: Experiments and EPR Characterization

Cited by 56 publications

References 20 publications

Characterization of Sr²⁺uptake on natural minerals of kaolinite and magnesite using XRPD, SEM/EDS, XPS, and DRIFT

Characterization of Sr²⁺uptake on natural minerals of kaolinite and magnesite using XRPD, SEM/EDS, XPS, and DRIFT

Applications of Bio-waste Materials as Green Synthesis of Nanoparticles and Water Purification

Preparation of Lignin-Based Anion Exchangers and their Utilization for Nitrate Removal

Contact Info

Product

Resources

About

Copper Sorption on a Straw Lignin: Experiments and EPR Characterization

Cited by 56 publications

References 20 publications

Characterization of Sr2+uptake on natural minerals of kaolinite and magnesite using XRPD, SEM/EDS, XPS, and DRIFT

Characterization of Sr2+uptake on natural minerals of kaolinite and magnesite using XRPD, SEM/EDS, XPS, and DRIFT

Applications of Bio-waste Materials as Green Synthesis of Nanoparticles and Water Purification

Preparation of Lignin-Based Anion Exchangers and their Utilization for Nitrate Removal

Contact Info

Product

Resources

About

Characterization of Sr²⁺uptake on natural minerals of kaolinite and magnesite using XRPD, SEM/EDS, XPS, and DRIFT

Characterization of Sr²⁺uptake on natural minerals of kaolinite and magnesite using XRPD, SEM/EDS, XPS, and DRIFT