The Wastes of Vine Stem and Turkish Red Pine as an Alternative Biosorbent for the Removal of Leather Dyes

Abstract

The use of high amount water in the industries such as leather, textile and paper causes hazardous wastewater for the environment due to the contents of organic compounds and heavy metals. Discharging high amount of leather dyes such as acid and metal complex to ecosystem pose a problem due to their resistance to biological treatments. Vine stem and Turkish red pine sawdust are agricultural wastes and could be an alternative bio-sorbents for the leather industry due to their cost effectiveness. For this purpose, it was aimed to determine the removal efficiencies of the dyestuff Acid Brown 282 SGR by the use of vine stem and Turkish red pine sawdust. The batch adsorption technique was used for the study and the effect of the pH, biosorbent amount and contact time was investigated. The functional groups of the bio-sorbents were determined by attenuated total reflectance spectra (ATR-IR). The biosorption data showed that Langmuir model was the best fitted model for the sorption of Acid Brown 282 SGR. The maximum adsorption capacities were found as 25.91and 26.67 for vine stem and Turkish pine sawdust respectively. The results revealed that vine stem and Turkish red pine sawdust could be used as low-cost biosorbents for the removal of dyestuff remaining after the dyeing process of leathers.

A Systematic Review on Potential Bio Leather Substitute for Natural Leather

“…Syntans, inorganic mineral compounds like chromium, resins, and vegetable extracts are among the chemicals widely utilized for retanning. While vegetable retanning raises the thickness of the leather and enhances its useable surface area, acrylic resins are frequently employed as they ofer an excellent selective flling property to increase the leather's cutting value [21].…”

“…Finishing may be accomplished using a variety of ingredients, including casein, nitrocellulose, polyurethane, acrylic, and other resin and polymer components combined with organic elements including oils, waxes, albumins, and cellulose esters. Shade coating, roller coating, and spraying are a few of the several fnishing techniques [21].…”

An emerging adsorption technology and its applicability on trees as an adsorbent for the remediation of water pollution: A review

“…Lee et al (2019) studied tea stem as a sorbent for removing methylene blue and the maximum adsorption capacity of tea stem powder was observed at 103.09 gm/g at pH 3.0-5.0. Zengin et al (2018) investigated on vine stem and Turkish pine sawdust as a biosorbent for removing lather dye. The maximum adsorption capacity was 25.91 and 26.67 for vine stem and Turkish pine sawdust, respectively.…”