Abstract
A process is disclosed for the recovery of very viscous lubricating oils from brown-coal tar and shale tar, consisting in driving off from the crude tar or the tar freed from volatile constituents after removal of paraffin by precipitation with a volatile solvent such as acetone or one of its homologs, the light oils more or less completely with superheated steam from about 200 to 250/sup 0/C without any outside heating over a free flame.
Citation Formats
Erdmann, E.
Recovery of very viscous lubricating oils from shale-tar, etc.
Germany: N. p.,
1918.
Web.
Erdmann, E.
Recovery of very viscous lubricating oils from shale-tar, etc.
Germany.
Erdmann, E.
1918.
"Recovery of very viscous lubricating oils from shale-tar, etc."
Germany.
@misc{etde_7204953,
title = {Recovery of very viscous lubricating oils from shale-tar, etc}
author = {Erdmann, E}
abstractNote = {A process is disclosed for the recovery of very viscous lubricating oils from brown-coal tar and shale tar, consisting in driving off from the crude tar or the tar freed from volatile constituents after removal of paraffin by precipitation with a volatile solvent such as acetone or one of its homologs, the light oils more or less completely with superheated steam from about 200 to 250/sup 0/C without any outside heating over a free flame.}
place = {Germany}
year = {1918}
month = {Jan}
}
title = {Recovery of very viscous lubricating oils from shale-tar, etc}
author = {Erdmann, E}
abstractNote = {A process is disclosed for the recovery of very viscous lubricating oils from brown-coal tar and shale tar, consisting in driving off from the crude tar or the tar freed from volatile constituents after removal of paraffin by precipitation with a volatile solvent such as acetone or one of its homologs, the light oils more or less completely with superheated steam from about 200 to 250/sup 0/C without any outside heating over a free flame.}
place = {Germany}
year = {1918}
month = {Jan}
}