Copper(II) removal from aqueous solution by organosolv lignin and its recovery

Acemioğlu, Bilal; Samil, Ali; Alma, Mehmet Hakkı; Gündoğan, Recep

doi:10.1002/app.12251

Cited by 44 publications

(12 citation statements)

References 20 publications

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“…But the use of activated carbon is not suitable for developing countries because of its high cost. The use of low-cost adsorbents such as clay minerals [3][4][5], fly ash [6][7][8][9], peat [10,11], wood powder [12,13], bark [14,15], and lignin [16] is more suitable. A large number of low-cost adsorbents have been treated for dye removal.…”

Section: Introductionmentioning

confidence: 99%

Adsorption of Congo red from aqueous solution onto calcium-rich fly ash

Acemioğlu¹

2004

Journal of Colloid and Interface Science

319

129

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Section: Introductionmentioning

confidence: 99%

Adsorption of Congo red from aqueous solution onto calcium-rich fly ash

Acemioğlu¹

2004

Journal of Colloid and Interface Science

319

129

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“…Acemiolu et al [108] used organosolv lignin as sorbent for the removal of copper (II). It was suggested that organosolv lignin, which is produced through the delignification of wood and other lignocellulosics in organic solvents such as methanol, butanol, and ethanol, has been found to be quite similar to natural lignin but more attractive because it does not contain sulfur.…”

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

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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.

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“…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

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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).

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Copper(II) removal from aqueous solution by organosolv lignin and its recovery

Cited by 44 publications

References 20 publications

Adsorption of Congo red from aqueous solution onto calcium-rich fly ash

Adsorption of Congo red from aqueous solution onto calcium-rich fly ash

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

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