Shell Oil Comapny

Arie L Mos

Franciscus H Bukkems

Theodoor Johan Simons

Johannes J Janssen

A process for the treatment of a wastewater feed originating from a styrene/propylene oxide production plant and containing hydrocarbons, aldehydes, ketones, alcohols, phenols and salts, by freeze-concentration combined with salt crystals removal, thereby separating the wastewater feed into an at least two-fold concentrated waste product, salt crystals, and a substantially pure water product.

Process for the treatment of a wastewater

A reactor is disclosed for carrying out exothermic or endothermic chemical reactions in which the reaction temperature is maintained as constant as possible. The reactor comprises a reaction space, an inlet for at least two reaction components, and an outlet for the reaction products. The reactor according to the invention is characterized in that the reaction space is provided with a plurality of interconnected reactor stages through which the reaction stream passes in succession, that each reactor stage comprises three reaction component guiding means, and that each reactor stage is provided with at least one injection opening for at least one reaction component.

Growing community of inventors

The Hague, Netherlands

Arie L Mos