Paques I.p.b.v.

Stichting Wetsus Centre of Excellence for Sustainable Water Technology

René Alexander Rozendal

Jelle Faber

Sjoerd Hubertus Josef Vellinga

Erik Van Zessen

Cees Jan Nico Buisman

Pieter Van Der Heiden

Erik Mozes

Wilhelmus Johannes Bernardus Maria Driessen

Wiebe Abma

A separation device for a fluid purification device is provided, the separation device comprising: at least three concentric enclosures including an outermost enclosure and an innermost enclosure and defining at least two concentric cavities; a plurality of spiral-shaped channels formed in each of the at least two concentric cavities, so that fluid can flow through said plurality of spiral-shaped channels; a fluid inlet, for receiving fluid, located in an upper section of an outermost cavity among the at least two concentric cavities, the fluid inlet corresponding to a gas outlet; a solids outlet, for discharging solids comprised in the fluid, located in a lower section of the separation device; and a liquid outlet, for discharging liquid comprised in the fluid, located in an upper section of at least one inner cavity among the at least two concentric cavities.

Spiral-shaped separation device for fluid purification device

The invention provides an apparatus and method for purification of a fluid, the apparatus comprising:

Apparatus and method for purification of a fluid by means of a filter bed

Alkaline solutions resulting from extracting sulfide from hydrocarbon fluids can be treated in a combination of one or more electrodialysis cells and a bioreactor. The electrodialysis cell () includes an anode (), a cathode (), an electric power supply () and a first () and a second () compartment separated from each other by an anion exchange membrane (). The alkaline solution is fed into the first compartment at the cathode side and the diluate (sulfide-depleted stream) leaving the first compartment has a lowered sulfide content and can be reused as the alkaline extractant solution. The concentrate (sulfide-enriched stream) leaving the second compartment is treated in the bioreactor () for removing sulfide and is then returned.

Process for removing sulfide from alkaline washing liquids

Growing community of inventors

Elahuizen, Netherlands

René Alexander Rozendal