Jörg Heilek

Method for the production of acrylic acid

Preparation of acrylic acid

Method for performing the purifying separation of crystals out their suspension in a mother liquor

Device for performing the purifying separation of crystals out of their suspension in a contaminated crystal melt

Method for the regulation of a hydraulic wash column

Vorrichtung zum reiningenden abtrennen von kristallen aus ihrer suspension in verunreinigter kristallschmelze

Process to control hydraulic wash column, comprises feeding mother liquor, conducting liquor to filter tube, feeding control liquor to wash column, purifying liquor, transporting crystal bed, removing crystal and determining flow rate

Procedure for continuous separation of target product in the form of fine particle of crystallisate, comprises indirectly operating a heat exchanger having primary and secondary areas, which are spatially separated with one another

Method for the production of a purified melt of at least one monomer

Separating a three carbon precursor compound of acrylic acid as main component containing acrylic acid and as byproduct containing glyoxal, in a product mixture of a heterogeneously catalyzed partial gas phase oxidation