Fast decolorization of cationic dyes by nano-scale zero valent iron immobilized in sycamore tree seed pod fibers: kinetics and modelling study

Synthesis and Application of Zero-Valent Iron Nanoparticles in Water Treatment, Environmental Remediation, Catalysis, and Their Biological Effects

“…Organic capping and support materials can be monomers, surfactants, or polymers, and may provide hydrophobic, hydrophilic, or amphiphilic properties for nZVI organic composites. Examples for organic modifiers are pectin [30], long-chain carboxylic acids and long-chain amines [25], rhamnolipid [31], octa(cholinium)-polyhedral oligomeric silsesquioxane [32], sycamore tree seed pod fibers [33], polyvinyl-pyrrolidone (PVP), polyethylene glycol (PEG), carboxymethyl cellulose (CMC), polyacrylic acid (PAA), polystyrene resin, and polyvinyl alcohol-co-vinyl acetate-co-itaconic acid [8]. All of these organic modifier/nZVI composites can be prepared by the borohydride route.…”

“…The pH of the solution was found to be a key factor for achieving 100% discoloration efficiency, as well as the high crystallinity and large specific surface area of iron NPs. Parlayici and Pehlivan have prepared a nZVI/Sycamore tree seed pod fibers (STSPF) composite by reducing iron ions adsorbed to porous STSPF using NaBH 4 , and applied nZVI/STSPF for the adsorption removal of MB, malachite green (MG), and methyl violet 2B (MV) from water [33] (Table 3). nZVI/STSPF was superior to STSPF in dye removal due to enhancements in STSPF pores by the modification with nZVI (size 23-41 nm).…”

A novel natural fiber from plane tree (Platanus orientalis L.) fruits to reinforce polypropylene composites

“…Other studies include the fabrication of versatile carbon aerogels for oil absorption and emulsion separation by using the fibers as building blocks, 9 and production of a solar evaporator and an adsorbent for dye removal using 3D spherical carbonized fruits and fibers. 19,20 In light of previous studies, the main characteristics of the fibers can be summarized as follows: PTFs mainly contain C, N and O, and the chemical structure is composed of cellulose (33.79%), hemicellulose (19.91%), lignin (25.89%), and monosaccharides like many natural fibers. 6,14 However, the lignocellulosic structure of the PTF seems to overlap significantly with bamboo fiber.…”

Fabrication of a novel biopolymer‐based nanocomposite (nanoTiO2‐chitosan‐plum kernel shell) and adsorption of cationic dyes

“…Today, various nanoparticles are added to the biopolymeric matrix for the production of nanocomposites, making them more active. 13,14 The presence of various functional groups in these biopolymers helps attach metallic nanoparticles to their surfaces. An alternative to improving the properties of biopolymers from biodegradable sources is the inclusion of reinforcement nanoparticles.…”

“…Agricultural by-product materials have been preferred in many adsorbent products; they have been used in the removal of dyes from polluted water by combining them with different biomaterials due to their functional groups and surface morphology. For this purpose, rice husk, 14 modified red pine sawdust, 22 garlic stem and horse chestnut shell 23 have been applied as a raw materials for metal and dye removal. Plum stone is an abundant agricultural waste in Turkey; for example, split plums kernel shells (PKS) collected from trees or remaining after production of fruit juice often are burned for energy purposes, causing environmental pollution at the source.…”