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Information × Registration Number 0222U000859, 0120U000106 , R & D reports Title Sorptive materials from agroindustrial wastes for environmental protection. popup.stage_title Head Maletin Yuriy A., Доктор хімічних наук Registration Date 20-01-2022 Organization State organization Institute of Sorption and Endoecology Problems of the National Academy of Sciences of Ukraine popup.description2 Using hydrothermal carbonization hydrocarbons from coffee sludge have been synthesized. It is established that the product yield reaches 60-94% depending on the carbonization temperature. The specific surface area for BET can reach 12 - 27 m2/g. The obtained samples show a decolorizing ability on MB in the range of 50-108 mg/g. One-step chemical carbonization-activation in the field of microwave radiation resulted activated carbons with high product yield (38-41%), specific surface area 990 m2/g, total pore volume 0.67 cm3 /g just in 5 minutes. Highly porous carbons (SBET 1250-1480 m2/g, Sme = 350-430 m2/g, Vt = 0.76-0.84 cm3/g) with an effective pore radius from 2 to 5 nm were obtained by chemical activation of coffee residue with orthophosphoric acid. The obtained sorption material contains on its surface oxygen-containing groups of 1.4 – 2.0 mg-eq/g. Activated carbon with a polymodal porous structure with a predominant mesopore content was obtained using a chemical activator in the process of combined (mixed) activation of walnut shell carbonate.   Product Description popup.authors Lysenko Anatoliy Olexandrovych Sych Natalia Volodymyrivna Stryzhakova Natalia H Tsyba Mykola M popup.nrat_date 2022-03-09 Close