Removal of Dye Using Lignin-Based Biochar/Poly(ester amide urethane)Nanocomposites from Contaminated Wastewater

作     者：Annesha Kar Niranjan Karak 

作者机构：Advanced Polymer and Nanomaterial Laboratory(APNL)Department of Chemical SciencesTezpur UniversityNapaamTezpur784028India Research and DevelopmentRymbalRTCSahibabad Industrial Area Site 4SahibabadGhaziabad201010India 

出 版 物：《Journal of Renewable Materials》 (可再生材料杂志（英文）)

年 卷 期：2024年第12卷第9期

页      面：1507-1540页

核心收录：

学科分类：083002[工学-环境工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 07[理学] 070205[理学-凝聚态物理] 08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0702[理学-物理学] 

基　　金：Tezpur University, TU Council of Scientific and Industrial Research, India, CSIR 

主　　题：Reinforcing agents biochar polymer nanocomposites poly(ester amide urethane) dye removal adsorption kinetics pseudo second order model langmuir isotherm 

摘      要：The pursuit of incorporating eco-friendly reinforcing agents in polymer composites has accentuated the exploration of various natural biomass-derived *** burgeoning environmental crisis spurred by the discharge of synthetic dyes into wastewater has catalyzed the search for effective and sustainable treatment *** the various sorbent materials explored,biochar,being renewable,has gained prominence due to its excellent adsorption properties and environmental *** has also emerged as a focal point for its potential to replace other conventional reinforcing agents,viz.,fumed silica,aluminum oxide,treated clays,*** study introduces a novel class of polymer nanocomposites comprising of lignin-based biochar particles and poly(ester amide urethane)matrix via a feasible *** structural evaluation of these nanocomposites was accomplished using Fourier-transform infrared spectroscopy,X-ray photoelectron spectroscopy,and powder X-ray *** polymer nanocomposites exhibited superior mechanical properties with an increment in tensile strength factor by 45%in comparison to its pristine matrix,along with an excellent toughness value of 90.22 MJm^(−3)at a low loading amount of only 1 wt%.The composites showed excellent improvement in thermal properties with a sharp rise in the glass transition temperature(Tg)value from−28.15℃to 84℃,while also championing sustainability through inherent biodegradability *** their structural prowess,these polymer nanocomposites demonstrated excellent potential as adsorbents,displaying efficient removal of malachite green and tartrazine dyes from aqueous systems with a removal efficiency of 87.25%and 73.98%,*** kinetics study revealed the pseudo second order model to be the precision tool to assess the dye removal *** this,the Langmuir adsorption isotherm provided a framework to assess the sorption features of the polymer ***,these ren