Method for determining adsorption phase density of adsorbate gas on adsorbate
A technology of adsorbate and adsorbed phase, applied in the field of shale gas exploration, which can solve the problems of unconsidered and high cost of magnetic levitation balance
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[0050] The experimental methods used in the following examples are conventional methods unless otherwise specified.
[0051] The materials and reagents used in the following examples can be obtained from commercial sources unless otherwise specified.
[0052] according to figure 1 The flow chart shown measures the adsorbed phase density of methane on shale.
[0053] Step 1: Use He to test the free volume in the sample cell
[0054] Such as figure 2 As shown, ①Put the sample into the sample cell, open valve 1, valve 2 and valve 3, and vacuumize the system. ② Close valve 1, valve 2 and valve 3, inject He into the reference cell to obtain P R1 . ③ Open valve 1 and valve 2, so that the helium in the reference cell and the sample cell reaches equilibrium, and get P eqR1 and P eqR2 , and in principle they are equal. ④ Open valve 1 and valve 2 to exhaust the gas.
[0055] According to the conservation of matter, the total amount of sum before and after equilibrium remains u...
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