The condition of the surface of natural mesoporous carbonaceous material shungite has been investigated using the electron microscopy, X-ray phase and microspectrum analyses. The ability to recover the adsorption properties of shungite in respect to the extraction of higher alcohols and other impurities from water-alcohol solutions was investigated by the methods of thermogravimetry and IR spectroscopy. The main distinction of absorption spectra of used-up shungite with respect to the initial sample is the absence of absorption by hydroxyl groups (3380 cm⁻¹) and significant reduction of the contribution of component at 1170 cm⁻¹ that corresponds to absorption of phenol groups. It is shown that the heat treatment in argon, with water vapor and in the CO₂ medium results in almost complete removal of sorbed organic substances and the regeneration of adsorption properties of shungite, the latest technique is more economically justified.

中文翻译：

---

残渣吸附性能的恢复

使用电子显微镜，X射线相和显微分析法研究了天然中孔碳质含碳辉石的表面状况。通过热重法和红外光谱法研究了从水-醇溶液中提取高级醇和其他杂质方面，恢复菱铁矿吸附性能的能力。相对于初始样品，用完的钨矿的吸收光谱的主要区别在于没有羟基吸收（3380 cm ^-1），并且在1170 cm ^-1处组分的贡献显着降低，这与苯酚的吸收相对应组。结果表明，在氩气，水蒸气和CO ₂中进行热处理 介质可导致几乎完全除去吸附的有机物并重新生成绿钨矿的吸附性能，因此最新技术在经济上更为合理。