caption doctoral_advisor death_date death_place birth_place birth_date known_for image article_title name alma_mater
friedrich raschig -lrb- 1897 -rrb- . robert wilhelm bunsen 4 february 1928 duisburg , germany brandenburg an der havel , germany 8 june 1863 raschig phenol process , raschig ring friedrich raschig 1897.jpg friedrich raschig
 friedrich raschig university of berlin
friedrich raschig

friedrich august raschig -lrb- also called fritz raschig -rrb- -lrb- 8 june 1863 -- 4 february 1928 -rrb- was a german chemist and politician .
he was born in brandenburg an der havel .
after he received his phd in 1884 from the university of berlin for his work with robert wilhelm bunsen , he started working at the basf company .
in 1891 he opened his own chemical company in ludwigshafen am rhein -lrb- which still operates today as raschig gmbh -rrb- .
he patented a number of chemical processes , particularly relating to phenols , one of which is now known as the raschig phenol process .
another process is the raschig process for producing hydroxylamine .
he also developed improvements to distillation , in particular the raschig ring , small metal or ceramic rings which are used in commercial fractional distillation columns .
