Madrid, Spain (Main)
Houston, TX, USA
+34 661 630 815
+34 91 454 1613
+1 (281) 213 0237
We design and manufacture regeneration refineries for used mineral oils, mainly from combustion engines, which under a double distillation process will produce excessively clean Group I oil bases. These bases can then be blended with additives to produce engine lubricants, hydraulic or transmission oils.
The refineries consist of three stages: Dehydration, Demetallisation and Fractionation. A fourth stage of hydrofinishing with hydrogen, catalysts and high pressures and temperatures can be added to obtain more refined Group 2 and 2+ oil bases to make multigrade lubricating oils, or to make synthetic oils. Download the PDF document to see the Process Diagram
The innovation basically consists of coupling three successive distillations without any external intermediate or finishing treatment of the fractions obtained in the successive distillations. The main advantages of this process or technology compared to others currently in operation are: it does not use dangerous solvents (e.g. propane), it does not use chemical flocculants (sulphuric acid), nor is it necessary to use decolouring earths such as bentonite or similar (with some exceptions) which cause the generation of undesirable waste that is difficult to eliminate.
The process produces as a by-product a Light Distilled Fraction that can be used as fuel in the installations themselves and Distillation Bottoms where most of the metals and other undesirable compounds present in the starting waste oils are accumulated, but which, as they are in a non-leachable form, can be used for different non-polluting applications (preparation of asphalt fabrics, etc.). The only residue is produced as bottom in the fractionation column and its total volume is less than 5% of the waste oil load.
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Madrid, Spain (Main)
Houston, TX, USA
+34 661 630 815
+34 91 454 1613
+1 (281) 213 0237