Microscale Research on Effective Geosequestration of CO₂ in Coal Reservoir: A Natural Analogue Study in Haishiwan Coalfield, China

Figure 3

Schematic of SCCO₂ high-pressure geochemical reactor simulating CO₂ injection. (1) Gas supply; (2) reducing valve; (3) valve; (4) gas booster pump; (5) reducing valve; (6) pressure regulating valve; (7) air compressor; (8) temperature and pressure transducers; (9) temperature and pressure indicator; (10) SCCO₂ high-pressure geochemical reactor; (11) safety valve; (12) vacuum pump; (13) vacuum gauge.