Ternary non-aqueous solid-liquid phase-change absorption system and application thereof

The invention discloses a ternary non-aqueous solid-liquid phase-change absorption system and an application thereof. The system provided by the invention is a ternary mixed system composed of 2-amino-2-methyl-1-propanol, dipropylene glycol dimethyl ether and piperazine, the system is a uniform transparent liquid solution before absorbing CO2 and becomes a solid phase and a liquid phase after absorbing the CO2, the CO2 is enriched in the solid phase, and the system can be regenerated after the solid phase is separated, so that a regenerated enriched liquid volume can be greatly reduced, and energy consumption of regeneration of the technology is reduced; the solid-liquid phase-change ternary absorption system has the biggest advantage that the saturated liquid-rich solid phase is a granular crystal, thereby being easier to separate than a solid-phase viscous enriched liquid in a conventional solid-liquid phase-change system; and regeneration temperature of the phase-change system provided by the invention is