Fractionational and structural characterization of lignin and its modification as biosorbents for efficient removal of chromium from wastewater: a review
作者： Bing Wang , Yong-Chang Sun , Run-Cang Sun
DOI: 10.1186/S42825-019-0003-Y
关键词:
摘要: The removal of chromium (Cr) from wastewater by various adsorbents has been investigated. As compared with the commercial activated carbon, biosorbents inexpensive and high adsorption capacities are developed lignocellulosic wastes. Lignin, existing in biomass, is second most abundant resource nature. Recently, lignin-based bio-sorbents were served as an advanced novel material for metal ions dye wastewater. It showed several advantages treatments because low-cost, capacity, easy recover, possibility recovery. In this review, isolation lignin biomass was summarized, structural characteristics comparably analyzed. modification performed to obtain a large surface area, strong binding-site, quick properties materials. efficiency Cr found be strongly dependent on pH To further illustrate process, changes interactions between functional groups process should Once cost-effective high-efficiency techniques developed, can expected suitable alternatives industry. Fractionational characterization its efficient
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