H&R Group yesterday said it patented a process to convert low-value oil refinery by-products into high-quality process oils and other specialties on an industrial scale. A pilot plant at one of the companys German base oil plants is using the process to turn residues such as bitumen into products such as naphthenic process oils and white oils.
Never before has large-scale production been able to successfully produce an oil with a naphthenic base character from a residue of paraffin base origin, H&R Managing Director Nils Hansen claimed in a news release issued yesterday. The advantage in this process is that both paraffinic and naphthenic process oils, as well as specialty products, can be manufactured from a paraffinic raw material.
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