Hydrothermal liquefaction system with heat exchanger network

A system, comprising:

• a biomass slurry flow path, comprising:
• a biomass slurry source;
• a first pump downstream of the biomass slurry source;
• a first heat exchanger network downstream of the first pump, the first heat exchanger network comprising plurality of heat exchangers in a parallel, series, and/or series-parallel flow arrangement, the biomass slurry flow path extending through cold flow sides of the heat exchangers of the first heat exchanger network;
• a second pump downstream of the first heat exchanger network;
• a second heat exchanger network downstream of the second pump, the second heat exchanger network comprising a plurality of heat exchangers in a parallel, series, and/or series-parallel flow arrangement, the biomass slurry flow path extending through cold flow sides of the heat exchangers of the second heat exchanger network;
• a hydrothermal liquefaction (HTL) reactor downstream of the second heat exchanger network;
• a third heat exchanger network downstream of the HTL reactor;
• and
• a heat transfer liquid circuit comprising a heat transfer liquid, a heat transfer liquid reservoir, and a heater circuit extending from the heat transfer liquid reservoir to a heater and back to the heat transfer liquid reservoir;
• and
• wherein heat transfer liquid in the heat transfer liquid circuit flows through hot flow sides of the heat exchangers of the second heat exchanger network.

A system, comprising:

• a biomass slurry flow path, comprising:
• a biomass slurry source;
• a first pump downstream of the biomass slurry source;
• a first heat exchanger network downstream of the first pump, the first heat exchanger network comprising plurality of heat exchangers in a parallel, series, and/or series-parallel flow arrangement, the biomass slurry flow path extending through cold flow sides of the heat exchangers of the first heat exchanger network;
• a second pump downstream of the first heat exchanger network;
• a second heat exchanger network downstream of the second pump, the second heat exchanger network comprising a plurality of heat exchangers in a parallel, series, and/or series-parallel flow arrangement, the biomass slurry flow path extending through cold flow sides of the heat exchangers of the second heat exchanger network;
• a hydrothermal liquefaction (HTL) reactor downstream of the second heat exchanger network;
• a third heat exchanger network downstream of the HTL reactor;
• and
• a heat transfer liquid circuit comprising a heat transfer liquid and a heat transfer liquid reservoir;
• and
• wherein heat transfer liquid in the heat transfer liquid circuit flows through hot flow sides of the heat exchangers of the second heat exchanger network and through hot flow sides of the heat exchangers of the first heat exchanger network;
• and
• wherein the heat transfer liquid circuit further comprises a jumpover line coupling the heat transfer liquid reservoir and the first heat exchanger network that bypasses the second heat exchanger network.