<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The processes presented in the study enables the separation and disposal of the chloroorganic compounds as by-products from the vinyl chloride plant by using the dichlorethane method and also from the production of propylene oxide by the chlorohydrine method. The integrated purification method of steam stripping and adsorption onto activated carbon allows a complete removal and recovery of the chloroorganic compounds from waste water. Waste distillation fraction is formed during the production of vinyl chloride. 1,1,2-trichloroethane separated from the above fraction, can be processed to vinylidene chloride and further to 1,1,1-trichloroethane. 2,3-Dichloropropene, 2-chloroallyl alcohol, 2-chloroallylamine, 2-chlorothioallyl alcohol or bis(2-chloroallylamine) can be obtained from 1,2,3-trichloropropane. In the propylene oxide plant the waste 1,2-dichloropropane is formed, which can be ammonolysed to 1,2-diaminopropane or used for the production of β-methyltaurine. Other chloroorganic compounds are subjected to chlorinolysis which results in the following compounds: perchloroethylene, tetrachloromethane, hexachloroethane, haxachlorobutadiene and hexachlorobenzene. The substitution of the milk of lime by the soda lye solution during the saponification of chlorohydrine eliminates the formation of the CaCl<sub>2</sub> waste.</p></abstract>

The processes presented in the study enables the separation and disposal of the chloroorganic compounds as by-products from the vinyl chloride plant by using the dichlorethane method and also from the production of propylene oxide by the chlorohydrine method. The integrated purification method of steam stripping and adsorption onto activated carbon allows a complete removal and recovery of the chloroorganic compounds from waste water. Waste distillation fraction is formed during the production of vinyl chloride. 1,1,2-trichloroethane separated from the above fraction, can be processed to vinylidene chloride and further to 1,1,1-trichloroethane. 2,3-Dichloropropene, 2-chloroallyl alcohol, 2-chloroallylamine, 2-chlorothioallyl alcohol or bis(2-chloroallylamine) can be obtained from 1,2,3-trichloropropane. In the propylene oxide plant the waste 1,2-dichloropropane is formed, which can be ammonolysed to 1,2-diaminopropane or used for the production of β-methyltaurine. Other chloroorganic compounds are subjected to chlorinolysis which results in the following compounds: perchloroethylene, tetrachloromethane, hexachloroethane, haxachlorobutadiene and hexachlorobenzene. The substitution of the milk of lime by the soda lye solution during the saponification of chlorohydrine eliminates the formation of the CaCl2 waste.

Formation of environmentally friendly chloroorganic compounds technology by sewage and by-products utilization

Institute of Chemical Organic Technology, Szczecin University of Technology, Pulaskiego 10, 70-322 Szczecin, Poland

Polish Journal of Chemical Technology

The processes presented in the study enables the separation and disposal of the chloroorganic compounds as by-products from the vinyl chloride plant by using...

Formation of environmentally friendly chloroorganic compounds technology by sewage and by-products utilization

Publié en ligne: 06 nov. 2007

Pages: 118 - 121

DOI: https://doi.org/10.2478/v10026-007-0069-9

Mots clés
recycling, chloroorganic compounds, vinyl chloride, propylene oxide

This content is open access.

Formation of environmentally friendly chloroorganic compounds technology by sewage and by-products utilization

Publié en ligne: 06 nov. 2007

Pages: 118 - 121

DOI: https://doi.org/10.2478/v10026-007-0069-9

Mots clésrecycling, chloroorganic compounds, vinyl chloride, propylene oxide

This content is open access.

Mots clés
recycling, chloroorganic compounds, vinyl chloride, propylene oxide