Abstract

The pore structure of the new adsorbent prepared from carbon-containing residues after catalytic carbon dioxide reforming of lignin of wood origin and the features of m-cresol chemisorption on this adsorbent were studied. The main step of the pore structure formation is treatment of the iron-containing carbon residue with carbon dioxide in a plasma catalytic mode, stimulated by microwave radiation. Iron-containing clusters were formed on the surface of the initial lignin and were used as a catalyst in the first step of its processing. The sorbent has a developed porous structure. The total pore volume is 0.65 cm³/g, with the micropore volume of 0.18 cm³/g and mesopore volume of 0.42 cm³/g. The adsorbent is characterized by unimodal distribution of adsorption pores with respect to effective radii with the diameter of 3.8 nm. The m-cresol adsorption dynamics was studied in situ by IR spectroscopy. The adsorption involves chemical transformation of cresol with the formation of Ph–O–C bonds between the phenyl ring of cresol and terminal (carbon or oxygen) atoms of the adsorbent.

中文翻译：

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木质素处理后由碳渣制备的含铁多孔吸附剂对间甲酚的化学吸附：I。吸附剂的孔结构和吸附能力

摘要

新吸附剂的孔结构之后催化二氧化碳重整的木质素的木材来源的和的特征从含碳残基制备米进行了研究甲酚化学吸附在该吸附剂上。孔结构形成的主要步骤是以微波辐射激发的等离子体催化方式用二氧化碳处理含铁碳残留物。含铁团簇在初始木质素的表面上形成，并在其加工的第一步中用作催化剂。吸附剂具有发达的多孔结构。总孔体积为0.65cm ³ / g，微孔体积为0.18cm ³ / g，中孔体积为0.42cm ^3。/G。吸附剂的特征是吸附孔相对于直径为3.8 nm的有效半径的单峰分布。通过红外光谱原位研究间甲酚的吸附动力学。吸附涉及甲酚的化学转化，在甲酚的苯环和吸附剂的末端（碳或氧）原子之间形成Ph–O–C键。