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. 2020 Jun 16;5(25):14976–14989. doi: 10.1021/acsomega.0c00462

Figure 8.

Figure 8

Adsorption–desorption experimental device. (1) High-pressure gas tank; (2) switch valve; (3) pressure-reducing valve; (4) pressure-adjusting valve; (5) pressure sensor; (6) three-way valve; (7) reference tank; (8) sample tank; (9) temperature sensor; (10) temperature-measuring meter; (11) computer; (12) pressure acquisition device; (13) graduated cylinder; (14) water bottle; (15) platform; (16) pressure gauge; (17) vacuum pump; (18) incubator; (19) air outlet; (20) bolt; and (21) coal sample.