<abstract abstract-type="toc"> <title> <x xml:space="preserve">Abstract</x> </title> <p> <graphic position="anchor" id="ga" xlink:href="ark:/27927/pgjn2mwpjz" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />Wastewater treatment technology with a simple processing unit, easy management, low energy consumption, low sludge production and a cost of 0.135 $ per m<sup>3</sup>.</p> </abstract>