CPC C10B 53/02 (2013.01) [C10G 1/02 (2013.01); C10G 2300/1011 (2013.01)] | 31 Claims |
1. A process for converting lignin to renewable liquid product(s), characterized in that the process comprises the following steps,
(a) providing a lignin feedstock (10);
(b) providing a solid second renewable feedstock;
(c) providing a solvent (20) comprising an oil fraction, at least partly produced by the process;
(d) preparing a feed mixture (30) by mixing a combined feedstock of the lignin feedstock (10) of step (a) and the second renewable feedstock of step (b) with the solvent (20) of step (c), wherein the ash content of the combined feedstock is below 4.5 wt %;
(e) followed by solvolysis of the feed mixture of step (d) by heating (110) the feed mixture (30) at a temperature between 360 and 420 ° C., under a pressure from 40 to 155 bar and maintaining said temperature and pressure for 2-60 minutes to obtain a product mix (40); and
(f) recirculating at least part of said product mix (40) as the oil fraction of said solvent (20) of step (c).
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