A method for resource utilization of macroalgae hydrothermal carbonization fluid
A technology of hydrothermal carbonization and resource utilization, applied in chemical instruments and methods, climate change adaptation, solid waste removal, etc., can solve the problem of low efficiency of resource utilization in the liquid phase, so as to increase hydrothermal carbon production and promote transformation Effect
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Embodiment 1
[0023] (1) Hydrothermal carbonization
[0024] Collect waste kelp along the coast, wash it with water to remove impurities such as sediment, dry it naturally, and use it as a raw material for hydrothermal carbonization after being crushed; adjust the ratio of raw material to water to 1:20, put this mixture into a hydrothermal reactor, and control The reaction temperature is 220°C, the reaction time is 2 hours, and the seaweed-based hydrothermal carbonization product is obtained; the seaweed-based hydrothermal carbonization product obtained above is subjected to solid-liquid separation, and the hydrothermal charcoal is recovered, and the liquid phase product is collected as the next round of hydrothermal carbonization. Carbonized liquid phase; the liquid phase after 10 rounds of hydrothermal carbonization cycle is the hydrothermal carbonization liquid;
[0025] (2) Hydrothermal charcoal enhanced hydrothermal carbonization liquid methane fermentation
[0026] Add the hydrotherm...
Embodiment 2
[0030] (1) Hydrothermal carbonization
[0031] Collect algae residue after polysaccharide extraction from kelp, wash with water to remove impurities such as sediment, dry naturally, and use it as raw material for hydrothermal carbonization after being crushed; adjust the ratio of raw material to water to 1:15, and put this mixture into hydrothermal reaction In the reactor, the reaction temperature is controlled at 210°C, and the reaction time is 2.5 hours to obtain the seaweed-based hydrothermal carbonization product; after the above-mentioned seaweed-based hydrothermal carbonization product is separated from the solid and liquid, the hydrothermal charcoal is recovered, and the liquid phase product is collected as The liquid phase of the next round of hydrothermal carbonization; the liquid phase after 9 cycles of hydrothermal carbonization is the hydrothermal carbonization liquid;
[0032] (2) Hydrothermal charcoal enhanced hydrothermal carbonization liquid methane fermentatio...
Embodiment 3
[0037] (1) Hydrothermal carbonization
[0038] Collect waste kelp along the coast, wash it with water to remove impurities such as sediment, dry it naturally, and use it as a raw material for hydrothermal carbonization after being crushed; adjust the ratio of raw material to water to 1:20, put this mixture into a hydrothermal reactor, and control The reaction temperature is 230°C, the reaction time is 1.5h, and the seaweed-based hydrothermal carbonization product is obtained; the seaweed-based hydrothermal carbonization product obtained above is subjected to solid-liquid separation, and the hydrothermal charcoal is recovered, and the liquid phase product is collected as the next round of water The liquid phase of thermal carbonization; the liquid phase after 10 cycles of hydrothermal carbonization is the hydrothermal carbonization liquid;
[0039] (2) Hydrothermal charcoal enhanced hydrothermal carbonization liquid methane fermentation
[0040] Add the hydrothermal charcoal and...
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