Process for the disposal of intractable non-biodegradable waste material flows from oil refineries
Representative No: EP2865649
Type of IP: Patent
Industry: chemical industry, oil industry

Outline
The present invention relates to the catalytic, wet disposal treatment of persistent, non-biodegradable oil refinery waste material flows, hazardous substances with high alkali, sulfide, polysulfide and mercaptan content, using an appropriate, combined, alternate-cycle operation method and a suitable catalyst composition such that wastewater material flow loaded with organic matter of a COD value greater than 150 000 mg O2/dm3 is remediated to such a degree at a lower pressure and temperature than industrial operation standard with a catalyst of high Ni content that the treated material flow may be treated in a biological wastewater treatment plant, the cleansed material flow thereof may be discharged into surface waters.

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