Lignin is a highly aromatic low value biomass residue, which can be utilized for chemicals, fuels and materials production. In recent years significant attention has focused on adsorbent materials from lignin. However, only 5% of available lignin is exploited worldwide, thus significant opportunities still exist for materials development. This review summarizes recent research advances in lignin-based adsorbents, with a particular emphasis on lignin, its modification and carbon materials derived from this abundant feedstock. Lignin derived activated carbons have been utilized for air pollutant adsorption (e.g. CO₂, SO₂ and H₂S), while modified lignin materials have been developed for the removal of organic dyes and organics (like methylene blue, Procion Blue MX-R and phenols), heavy metals (such as Cu, Zn, Pb and Cd), or recovery of noble metals (e.g., Pd, Au and Pt). Future perspectives highlight how green chemistry approaches for developing lignin adsorbents can generate added value processes.

木质素是一种高度芳香的低价值生物质残渣，可用于化工，燃料和材料生产。近年来，大量的注意力集中在木质素的吸附材料上。但是，全世界仅有5％的可用木质素被利用，因此材料开发仍然存在大量机会。这篇综述总结了基于木质素的吸附剂的最新研究进展，特别着重于木质素，其改性和源自这种丰富原料的碳材料。木质素衍生的活性炭已用于吸附空气污染物（例如，CO ₂，SO ₂和H ₂S），而改性木质素材料已被开发用于去除有机染料和有机物（如亚甲基蓝，Procion Blue MX-R和酚），重金属（如Cu，Zn，Pb和Cd）或回收贵金属金属（例如，Pd，Au和Pt）。未来的观点强调了开发木质素吸附剂的绿色化学方法如何产生增值过程。