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Chemistry for Sustainable Development

2013 year, number 3

Novel Approaches to the Utilization of Large–Tonnage Industrial Wastes Such as Hydrolytic Lignin, Sulphur, Polychloroaliphatic Compounds

A. F. GOGOTOV1,2, V. K. STANKEVICH1, V. P. KISELEV3, A. A. CHAIKA2 and V. G. DRONOV2
1 Favorsky Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences,
Ul. Favorskogo 1, Irkutsk 664033 (Russia)
E-mail: alfgoga@mail.ru
2 Irkutsk State Technical University,
Ul. Lermontova 83, Irkutsk 664074 (Russia)
3 Siberian Federal University,
Pr. Svobodny 79, Krasnoyarsk 664041 (Russia)
Keywords: lignin, organochlorine residues, sodium polysulphide, condensation products
Pages: 289–294

Abstract

Organochlorine wastes generated in the production of epichlorohydrin, and lignin could be co-processed to obtain the sulphur-containing derivatives. For this purpose, the wastes of chloroorganic synthesis and hydrolytic lignin chlorinated under mild conditions should be entered into the reaction with sulphur in the form of sodium polysulphides. The overall process is cost-efficient due to the fact that it provides an almost complete conversion of organochlorine waste disposal, sulphur compounds as well as lignin binding. The condensation products obtained were tested as additives for modifying bitumen and demonstrated a good processability.