Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/246
Title: Development of the Technology for Processing Plant Breeding By-Products to Obtain Biosorbent
Authors: Bauer, Tatiana
Sushkova, Svetlana
Fedorenko, Aleksei
Lobzenko, Ilya
Barakhov, Anatoly
Butova, Vera
Tuşat, Ekrem
Issue Date: 2020
Publisher: E D P SCIENCES
Abstract: This study focuses on the potential transforming sunflower husk wastes into innovative green products to be used for the recultivation of contaminated soils. This transformation makes it possible to utilize the large quantity plant breeding by-products to obtain a highly porous biosorbent. Optimal conditions for the preparation of bisorbents can be determined based on measurements of their specific surface and porosity. It is shown that structural characteristics of sorbent depend on conditions of the pyrolysis of primary raw material. Optimal conditions for obtaining biosorbent with a specified proportion of meso- and micropores and high specific surface are performed under three-stage pyrolysis as given by following conditions: sample holding time of 10-30 min, final temperature 700 degrees C, and heating rate 15 degrees C/min. A 3-month incubation study was conducted to investigate its performance in stabilization of copper contamination in Fluvisol. The sequential extraction procedure showed that the 1% sunflower husks biosorbent treatment reduced the mobile pool (exchange and carbon-bonded fractions) of Cu from 8 to 4%, respectively, compared to the contaminated soil. Cu is found to be tightly bonded owing to the increase of the residual and organic matter-bonded metal fractions. Owing to its adsorptive properties, biosorbent amendment of copper-contaminated soils appears as a promising approach to reduce the pollutant mobility and bioavailability.
Description: Actual Problems of Ecology and Environmental Management - Cooperation for Sustainable Development and Environmental Safety (APEEM) -- APR 23-25, 2020 -- Peoples Friendship Univ Russia, Fac Ecol, Moscow, RUSSIA
URI: https://doi.org/10.1051/e3sconf/202016902011
https://hdl.handle.net/20.500.13091/246
ISSN: 2267-1242
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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