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The Use of Organochlorine Waste for Solving the Environmental Problems of Metal-Processing Enterprises
https://doi.org/10.18412/1816-0395-2015-4-30-32
Abstract
When producing large-tonnage monomer epichlorhydrin, organochlorine wastes enriched either by 1,2,3-trichloropropane or epichlorhydrin are formed. Solid sulfur-
containing sorbents are obtained by the polycondensation of wastes of various compositions with sodium polysulfide in the presence of polycondensation centers
such as petcoke particles. The sorption activity with respect to cations of toxic heavy metals is investigated for synthesized sorbents (Zn up to 88 mg/g, Hg
up to 156 mg/g, Pb to 169 mg/g, Ni to 217 mg/g, and Co to 211 mg/g). The influence of the metal nature on its recovery from model solutions by fabricated sorbents
is considered from the viewpoint of the theory of strong and soft acids and bases. The higher sorption capacity compared with purely sulfur-containing sorbents
is mentioned for lead, nickel, and cobalt ions due to -OH groups, which are present in the sorbent when epichlorhydrin participates in polycondensation.
The formation of coordination bonds with the participation of sulfur and oxygen atoms facilitates the recovery of metals of intermediate "rigidity".
containing sorbents are obtained by the polycondensation of wastes of various compositions with sodium polysulfide in the presence of polycondensation centers
such as petcoke particles. The sorption activity with respect to cations of toxic heavy metals is investigated for synthesized sorbents (Zn up to 88 mg/g, Hg
up to 156 mg/g, Pb to 169 mg/g, Ni to 217 mg/g, and Co to 211 mg/g). The influence of the metal nature on its recovery from model solutions by fabricated sorbents
is considered from the viewpoint of the theory of strong and soft acids and bases. The higher sorption capacity compared with purely sulfur-containing sorbents
is mentioned for lead, nickel, and cobalt ions due to -OH groups, which are present in the sorbent when epichlorhydrin participates in polycondensation.
The formation of coordination bonds with the participation of sulfur and oxygen atoms facilitates the recovery of metals of intermediate "rigidity".
About the Authors
S.V. Terek
Irkutsk State University of Railroad Communications
Russian Federation
Post-Graduate Student
Russian Federation
Post-Graduate Student
N.V. Russavskaya
Irkutsk State University of Railroad Communications
Russian Federation
Dr. Sci. (Chem.), Prof
Russian Federation
Dr. Sci. (Chem.), Prof
O.N. Ignatova
Irkutsk State University of Railroad Communications
Russian Federation
Head of Laboratory
Russian Federation
Head of Laboratory
N.A. Korchevin
Irkutsk State University of Railroad Communications
Russian Federation
Dr. Sci. (Chem.), Prof., Head of Department
Russian Federation
Dr. Sci. (Chem.), Prof., Head of Department
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Review
For citations:
Terek S., Russavskaya N., Ignatova O., Korchevin N. The Use of Organochlorine Waste for Solving the Environmental Problems of Metal-Processing Enterprises. Ecology and Industry of Russia. 2015;19(4):30-32. (In Russ.) https://doi.org/10.18412/1816-0395-2015-4-30-32
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