Other

Sulzer Chemtech Ag

Sch&uuml;mann Sasol Gmbh

Schumann Sasol Gmbh & Co. Kg

Norbert Matzat

Michael Matth&auml;i

Claus Starke

Manfred Stepanski

Ferdinand Richter

Florian Lippuner

Klaus Fieback

G&uuml;nter Hildebrand

Herbert Engstler

Bernhard J Jans

Thomas Kr&auml;mer

Wolfgang Ahrens

Rolf Laudi

Gunther Hildebrand

The invention relates to a process for producing a paraffin-based object, especially a candle, with a proportion of a perfume that exceeds 10% by weight, in which the perfume is dissolved in a solvent containing an organic ester, and the solution is in turn added to or dissolved in paraffin.

Process for producing a paraffin-based object and a paraffin-based object

A heat storage medium such as paraffin for a latent heat accumulator (cold accumulator), which solidifies while forming crystal structures. In order to achieve improved responsiveness on heat input, the crystal structures are modified by a structure additive preferably in terms of hollow structures, such as e.g. hollow cones.

Heat storage medium

The invention relates to a process for producing a paraffin-based object, especially a candle, with a proportion of a perfume which exceeds 10% by weight, in which the perfume is dissolved in a solvent containing an organic ester, and the solution is in turn added to or disolved in paraffin.

Process for producing a paraffin-based object and such an object

A process for fractional crystallization of paraffin from mineral oil based and synthetic crude paraffin, wherein crude paraffin having a high oil content is crystallized in a crystallizer equipped with perforated metal sheets (31) extending in a zig-zag in the spaces between the heat exchanger surfaces (39). The paraffin-containing melt is only solidified to an extent such that the fractions and oils for discharge remain liquid and are run off without total solidification of the melt. The perforated sheets (31) support the layers of crystals (43) and during sweating the paraffin is detached in strips from the heat exchanger surface (39) and is adapted to rest on the sloping perforated sheets (31). The inclination of the perforated sheets (31) guides and moves the paraffin strips (53), so that the paraffin strips remain in contact with the heat exchanger surfaces (39) while being pressed by their own weight along the inclined surface (30) towards the heat exchanger surfaces (39).

Process for obtaining paraffin or paraffin fractions

Growing community of inventors

Hamburg, Germany

Norbert Matzat