Preparation and utilization of wheat straw bearing amine groups for the sorption of acid and reactive dyes from aqueous solutions

Characteristics of cellulosic amine-crosslinked copolymer and its sorption properties for Cr(VI) from aqueous solutions

“…The availability of the chemical process (e.g., esterification, etherification and copolymerization) on biomaterials modification could be attributed to the particular properties of biomaterials such as chemical stability and high reactivity, resulting from the presence of reactive hydroxyl groups in cellulose chains [10,[14][15][16].…”

Biodegradable hollow zein nanoparticles for removal of reactive dyes from wastewater

“…It could be seen that, at alkaline conditions, such as pH 9.0, hollow zein nanoparticles developed in this study had higher adsorption capacity than other adsorbents. As shown in Table 3, most non-chitosan adsorbents had adsorption capacities lower than 400 mg g À1 at either acidic or alkaline conditions (Moussavi and Mahmoudi, 2009;Ghows and Entezari, 2011;Absalan et al, 2011;Ahmad and Hameed, 2010;Eren and Acar, 2007;Janaki et al, 2012;Machado et al, 2011;Xu et al, 2010;Cardoso et al, 2012;Shuang et al, Fig. 9.…”

Simultaneous removal of cationic and anionic dyes by the mixed sorbent of magnetic and non-magnetic modified sugarcane bagasse

“…In order to obtain sorbents with high adsorption capacity for cationic and anionic 9 dyes, magnetic carboxyl groups modified MMS and non-magnetic amine groups modified AMS were prepared through simple methods. FTIR spectra of the unmodified SCB, PMDA modified SCB, MMS and AMS were shown in Fig.1.…”

“…However, adsorption is the most popular methods among them due to the low operational cost, low maintenance and simplicity [7]. Recently, more and more attention was paid on biosorbents, especially the agricultural waste such as sugarcane bagasse, rice husk, straw and coir pith [8][9][10][11][12]. In order to improve its adsorption capacity for dyes, different functional groups modified sorbents were prepared.…”