ALL-PURPOSE INSTALLATION FOR PURIFICATION OF HIGH-BOILING VACUUM RECTIFICATION SOLVENTS AND PROCESSES FOR PURIFICATION VIA VACUUM RECTIFICATION OF ETHYLENE GLYCOL, MONOETHANOLAMINE, METHYL CELLOSOLVE, ETHYL CELLOSOLVE, BUTYL CELLOSOLVE, N-METHYLPYRROLIDONE, AND BENZYL ALCOHOL THEREON Russian patent published in 2007 - IPC B01D3/10 C07C31/20 C07C33/22 C07C29/80 C07C43/10 C07C41/42 C07C215/08 C07C213/10 C07D207/26

Abstract RU 2312696 C1

FIELD: rectification of organic compounds.

SUBSTANCE: all-purpose installation enables purification of high-boiling vacuum rectification solvents, in particular ethylene glycol, monoethanolamine, methyl cellosolve, ethyl cellosolve, butyl cellosolve, N-methylpyrrolidone, and benzyl alcohol.

EFFECT: enhanced purification efficiency.

8 cl, 1 dwg, 7 tbl, 7 ex

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RU 2 312 696 C1

Authors

Vendilo Andrej Grigor'Evich

Trokhin Vasilij Evgen'Evich

Dates

2007-12-20—Published

2006-03-17—Filed